Page 1 Manual No.'17•SCM-T-225 TECHNICAL MANUAL INVERTER MULTI-SPLIT SYSTEM RESIDENTIAL AIR-CONDITIONERS (Split system, air to air heat pump type) (OUTDOOR UNIT) SCM71ZM-S1 80ZM-S1 (INDOOR UNIT) Wall mounted type Floor standing type Ceiling concealed type SRK20ZSX-S SRF25ZMX-S SRR25ZM-S 25ZSX-S 35ZMX-S 35ZM-S 35ZSX-S 50ZMX-S...
Page 2 '17 • SCM-T-225 CONTENTS 1. OUTDOOR UNITS ..................1.1 Specifications ..................1.2 Exterior dimensions ................1.3 Electrical wiring ..................10 1.4 Noise level ....................11 1.5 Application data ..................14 2. INDOOR UNITS ..................... 18 2.1 Specifications ..................18 (1) Wall mounted type (SRK) ..............18 (2) Floor standing type (SRF) ..............
Page 3 ....116 3. PIPING SYSTEM ..................121 4. RANGE OF USAGE & LIMITATIONS ............122 5. TABLE OF INDOOR UNIT COMBINATIONS ..........123 (1) Model SCM71ZM-S1 ................123 (2) Model SCM80ZM-S1 ................129 6. SELECTION CHARTS .................137 7. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ....138 7.1 SRK,SRF and SRR series ..............138...
Page 4 '17 • SCM-T-225 (9) Thermostat operation ................180 (10) Filter sign ....................181 (11) Compressor inching prevention control ..........181 (12) Drain pump control .................182 (13) Drain motor (DM) control ................182 (14) Operation check/drain pump test run operation mode ......182 (15) Cooling, dehumidifying (DRY) frost protection ........183 (16) Heating overload protection ..............183...
Page 5 '17 • SCM-T-225 7.3.2 Outline of cooling operation ..............194 (1) Summary ....................194 (2) Operation of major functional components in cooling mode ....194 7.3.3 Protective control function ...............195 (1) Cooling overload protective control ............195 (2) Cooling high pressure control ..............195 (3) Cooling low outdoor temperature protective control .......196 (4) Heating high pressure control ..............196 (5) Heating overload protective control ............197...
Page 6 '17 • SCM-T-225 (9) Checking the indoor electrical equipment ..........220 (10) How to make sure of wireless remote control ........221 (11) Inspection procedure for blown fuse on the indoor and outdoor PCB ..221 (12) Outdoor unit inspection points ..............222 8.2 FDTC, FDEN, FDE and FDUM series .............224 8.2.1 Diagnosing of microcomputer circuit ..........224 (1) Selfdiagnosis function...
Page 7 '17 • SCM-T-225 13. TECHNICAL INFORMATION ................360 (1) Model SCM71ZM-S1 ................360 (2) Model SCM80ZM-S1 ................371 Table of models ■ Capacity Model Wall mounted type (SRK＊＊ZSX-S) ○ ○ ○ ○ ○ Wall mounted type (SRK＊＊ZS-S) ○ ○ ○ ○ Floor standing type (SRF) ○...
Page 8 '17 • SCM-T-225 1. OUTDOOR UNITS 1.1 Specifications Model SCM71ZM-S1 Item Power source 1 Phase, 220 - 240V, 50Hz / 220V, 60Hz Nominal cooling capacity (Range) 7.1 ( 1.8 (Min.) - 8.8 (Max.)) Nominal heating capacity (Range) 8.6 ( 1.5 (Min.) - 9.4 (Max.)) −...
Page 9 '17 • SCM-T-225 Model SCM80ZM-S1 Item Power source 1 Phase, 220 - 240V, 50Hz / 220V, 60Hz Nominal cooling capacity (Range) 8.0 ( 1.8 (Min.) - 9.2 (Max.)) Nominal heating capacity (Range) 9.3 ( 1.5 (Min.) - 9.8 (Max.)) − Heating capacity (H2) Cooling 1.95 ( 0.48 - 2.83 )
Page 10 '17 • SCM-T-225 1.2 Exterior dimensions Models SCM71ZM-S1, 80ZM-S1 RWC000Z302...
Page 11 '17 • SCM-T-225 1.3 Electrical wiring Models SCM71ZM-S1, 80ZM-S1 RWC000Z303...
Page 12 '17 • SCM-T-225 1.4 Noise level (1) Sound power level Model SCM71ZM-S1 Condition ISO5151 T1/H1 Noise Cooling 63 dB(A) Level Heating 66 dB(A) Mode Rated capacity value × ..Cooling, Heating 90.0 80.0 70.0 60.0 50.0 40.0 30.0 1000 2000...
Page 13 '17 • SCM-T-225 (2) Sound pressure level (a) Rated capacity value Model SCM71ZM-S1 Condition ISO5151 T1/H1 Cooling 50 dB(A) Noise Level Heating 54 dB(A) Mode Rated capacity value × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz)
Page 14 '17 • SCM-T-225 (b) Silent mode Model SCM71ZM-S1 Condition ISO5151 T1/H1 Cooling 45 dB(A) Noise Level Heating 51 dB(A) Mode Silent × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz) Model SCM80ZM-S1 Condition ISO5151 T1/H1 Cooling...
Page 15 RPC012A920C 1.5 Application data INSTALLATION MANUAL FOR OUTDOOR UNIT Model SCM71/80 Models SCM71ZM-S1, 80ZM-S1 R410A REFRIGERANT USED • This installation manual deals with an outdoor unit installation only. For an indoor unit installation, refer to page 82. NOTE This model requires a minimum of 2 indoor units.
Page 16 '17 • SCM-T-225 2. OUTDOOR UNIT INSTALLATION 3. Installation space NOTE Do not step on a top and the service cover of the unit. • There must be 1 meter or larger space between the unit and the wall in at least 1 of the 4 sides. 1.
Page 17 RPC012A920C.pdf 17.11.3 6:03:19 PM '17 • SCM-T-225 4. CONNECTING PIPING WORK 1. Restrictions on unit installation 4. Evacuation Abide by the following restrictions on unit installation. (1) Connect vacuum pump to gauge manifold. Connect charge hose of gauge manifold to a service port Improper installation can cause compressor failure or performance degradation.
Page 18 '17 • SCM-T-225 RPC012A920C 5. ELECTRICAL WIRING WORK 2.Connecting cable WARNING (1) Remove the service cover and the terminal cover. • Make sure that all the electrical work is carried out in accordance with the national or regional (2) Connect the cables according to the instructions and given below.
Page 19 '17 • SCM-T-225 2. INDOOR UNITS 2.1 Specifications (1) Wall mounted type (SRK) (a) Models SRK20, 25, 35, 50, 60ZSX-S Adapted to RoHS directive Model SRK20ZSX-S Item 1 Phase, 220 − 240 V, 50Hz/220V, 60Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level...
Page 20 '17 • SCM-T-225 Adapted to RoHS directive Model SRK25ZSX-S Item 1 Phase, 220 − 240 V, 50Hz/220V, 60Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 39 Me: 33 Lo: 25 ULo: 19 Sound pressure level Heating Hi: 40 Me: 34 Lo: 27 ULo: 19...
Page 21 '17 • SCM-T-225 Adapted to RoHS directive Model SRK35ZSX-S Item 1 Phase, 220 − 240 V, 50Hz/220V, 60Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 43 Me: 35 Lo: 26 ULo: 19 Sound pressure level Heating Hi: 41 Me: 35 Lo: 28 ULo: 19...
Page 22 '17 • SCM-T-225 Adapted to RoHS directive Model SRK50ZSX-S Item 1 Phase, 220 − 240 V, 50Hz/220V, 60Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 44 Me: 39 Lo: 31 ULo: 22 Sound pressure level Heating Hi: 46 Me: 41 Lo: 33 ULo: 23...
Page 23 '17 • SCM-T-225 Adapted to RoHS directive Model SRK60ZSX-S Item 1 Phase, 220 − 240 V, 50Hz/220V, 60Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 46 Me: 41 Lo: 33 ULo: 22 Sound pressure level Heating Hi: 46 Me: 42 Lo: 34 ULo: 23...
Page 24 '17 • SCM-T-225 (b) Models SRK20, 25, 35, 50ZS-S Adapted to RoHS directive Model SRK20ZS-S Item 1 Phase, 220 − 240 V, 50Hz/200V, 60Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 34 Me: 25 Lo: 22 ULo: 19...
Page 25 '17 • SCM-T-225 Adapted to RoHS directive Model SRK25ZS-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 36 Me: 28 Lo: 23 ULo: 19 Sound pressure level Heating Hi: 39 Me: 30 Lo: 24 ULo: 19...
Page 26 '17 • SCM-T-225 Adapted to RoHS directive Model SRK35ZS-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 40 Me: 30 Lo: 26 ULo: 19 Sound pressure level Heating Hi: 41 Me: 36 Lo: 25 ULo: 19...
Page 27 '17 • SCM-T-225 Adapted to RoHS directive Model SRK50ZS-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 45 Me: 36 Lo: 28 ULo: 22 Sound pressure level Heating Hi: 45 Me: 37 Lo: 31 ULo: 24...
Page 28 '17 • SCM-T-225 (2) Floor standing type (SRF) Adapted to RoHS directive Model SRF25ZMX-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 40 Me: 32 Lo: 29 ULo: 26 Sound pressure level Heating...
Page 29 '17 • SCM-T-225 Adapted to RoHS directive Model SRF35ZMX-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 41 Me: 34 Lo: 32 ULo: 28 Sound pressure level Heating Hi: 41 Me: 36 Lo: 35 ULo: 31...
Page 30 '17 • SCM-T-225 Adapted to RoHS directive Model SRF50ZMX-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 46 Me: 42 Lo: 35 ULo: 32 Sound pressure level Heating Hi: 47 Me: 41 Lo: 39 ULo: 33...
Page 31 '17 • SCM-T-225 Adapted to RoHS directive Model SRF25ZMA-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 40 Me: 32 Lo: 29 ULo: 26 Sound pressure level Heating Hi: 40 Me: 35 Lo: 33 ULo: 28...
Page 32 '17 • SCM-T-225 Adapted to RoHS directive Model SRF35ZMA-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 41 Me: 34 Lo: 32 ULo: 28 Sound pressure level Heating Hi: 41 Me: 36 Lo: 35 ULo: 31...
Page 33 '17 • SCM-T-225 Adapted to RoHS directive Model SRF50ZMA-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation　data Heating Cooling dB(A) Hi: 46 Me: 42 Lo: 35 ULo: 32 Sound pressure level Heating Hi: 47 Me: 41 Lo: 39 ULo: 33...
Page 34 '17 • SCM-T-225 (3) Ceiling concealed type (SRR) Model SRR25ZM-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Heating Cooling Hi: 37 Me: 33 Lo: 30 ULo: 24 Sound pressure level ①...
Page 35 '17 • SCM-T-225 Model SRR35ZM-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Heating Cooling Hi: 38 Me: 34 Lo: 31 ULo: 25 Sound pressure level ① Operation data Heating Hi: 42 Me: 38 Lo: 35 ULo: 29...
Page 36 '17 • SCM-T-225 Model SRR50ZM-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Heating Cooling Hi: 41 Me: 37 Lo: 34 ULo: 29 Sound pressure level ① Operation data Heating Hi: 43 Me: 39 Lo: 37 ULo: 32...
Page 37 '17 • SCM-T-225 Model SRR60ZM-S Item 1 Phase, 220 − 240 V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Heating Cooling Hi: 44 Me: 38 Lo: 35 ULo: 30 Sound pressure level ① Operation data Heating Hi: 45 Me: 41 Lo: 38 ULo: 33...
Page 38 '17 • SCM-T-225 (4) 4 way ceiling cassette type (FDTC) Adapted to RoHS directive FDTC25VF Model Item Panel TC-PSA-25W-E 1 Phase, 220 − 240V, 50Hz Power source Operation data Cooling Heating Nominal capacity (1) Cooling : 56 Sound power level Heating : 56 dB(A) Cooling P-Hi : 38 Hi : 36 Me : 32 Lo : 29...
Page 39 '17 • SCM-T-225 Adapted to RoHS directive FDTC35VF Model Panel TC-PSA-25W-E Item 1 Phase, 220 − 240V, 50Hz Power source Operation data Cooling Heating Nominal capacity (1) Cooling : 58 Sound power level Heating : 58 dB(A) Cooling P-Hi : 41 Hi : 40 Me : 36 Lo : 30 Sound pressure level Heating P-Hi : 43 Hi : 42 Me : 35 Lo : 32 Exterior dimensions...
Page 40 '17 • SCM-T-225 Adapted to RoHS directive FDTC50VF Model Panel TC-PSA-25W-E Item 1 Phase, 220 − 240V, 50Hz Power source Operation data Cooling Heating Nominal capacity (1) Cooling : 60 Sound power level Heating : 60 dB(A) Cooling P-Hi : 47 Hi : 42 Me : 36 Lo : 30 Sound pressure level Heating P-Hi : 47 Hi : 42 Me : 36 Lo : 32 Exterior dimensions...
Page 41 '17 • SCM-T-225 Adapted to RoHS directive FDTC60VF Model Panel TC-PSA-25W-E Item 1 Phase, 220 − 240V, 50Hz Power source Operation data Cooling Heating Nominal capacity (1) Cooling : 60 Sound power level Heating : 60 dB(A) Cooling P-Hi : 47 Hi : 46 Me : 39 Lo : 30 Sound Pressure Level Heating P-Hi : 47 Hi : 46 Me : 39 Lo : 32 Exterior dimensions...
Page 42 '17 • SCM-T-225 (5) Ceiling suspended type (FDEN, FDE) Adapted to RoHS directive Model FDEN50VF Item 1 Phase, 220 − 240V, 50Hz Power source Operation data Cooling Heating Nominal capacity (1) Sound power level dB(A) Sound pressure level P-Hi : 46 Hi : 39 Me : 38 Lo : 37 Exterior dimensions 210 ×...
Page 43 '17 • SCM-T-225 Adapted to RoHS directive Model FDE50VG Item 1 Phase, 220 − 240V, 50Hz/220V, 60Hz Power source Operation data Cooling Heating Nominal capacity (1) Sound power level dB(A) Sound pressure level P-Hi : 46 Hi : 38 Me : 36 Lo : 31 Exterior dimensions 210 ×...
Page 44 '17 • SCM-T-225 (6) Duct connected Low/Middle static pressure type (FDUM) Adapted to RoHS directive Model FDUM50VF Item 1 Phase, 220 − 240V, 50Hz/220V, 60Hz Power source Operation data Cooling Heating Nominal capacity (1) Sound power level dB(A) Sound pressure level P-Hi : 37 Hi : 32 Me : 29 Lo : 26 Exterior dimensions 280 ×...
Page 45 '17 • SCM-T-225 2.2 Exterior dimensions (1) Wall mounted type (SRK) Models SRK20ZSX-S, 25ZSX-S, 35ZSX-S, 50ZSX-S, 60ZSX-S RLF000Z201...
Page 46 '17 • SCM-T-225 Models SRK20ZS-S, 25ZS-S, 35ZS-S, 50ZS-S RLF000Z101...
Page 47 '17 • SCM-T-225 (2) Floor standing type (SRF) Models SRF25ZMX-S, 35ZMX-S, 50ZMX-S SRF25ZMA-S, 35ZMA-S, 50ZMA-S RFB000Z006...
Page 48 '17 • SCM-T-225 (3) Ceiling concealed type (SRR) Models SRR25ZM-S, 35ZM-S 660 （ Inlet dimension） Symbol Content φ9.52 （ 3／8"）（ Flare） Gas piping φ6.35 （ 1／4"）（ Flare） Liquid piping VP25 （ I.D.25 , O.D.32） Drain piping （Used with attached connector） VP25 （...
Page 49 '17 • SCM-T-225 Models SRR50ZM-S, 60ZM-S 860 （Inlet dimension） Symbol Content Gas piping φ12.7（1／2"）（Flare） Liquid piping φ6.35（1／4"）（Flare） VP25（I.D.25 , O.D.32） Drain piping （Used with attached connector） Drain piping VP25（I.D.25 , O.D.32） Air inlet （Used with attached connector）（Gravity drainage） 990 （Suspension bolts pitch） Hole for wiring φ25 x 2 （M10）...
Page 50 '17 • SCM-T-225 (4) 4 way ceiling cassette type (FDTC) Models FDTC25VF, 35VF, 50VF, 60VF PJA003Z338...
Page 51 '17 • SCM-T-225 (5) Ceiling suspended type (FDEN, FDE) Model FDEN50VF PFA003Z816...
Page 52 '17 • SCM-T-225 Model FDE50VG PFA004Z025...
Page 53 '17 • SCM-T-225 (6) Duct connected Low/Middle static pressurer type (FDUM) Model FDUM50VF Symbol Content Gas piping φ12.7(1／2")(Flare) Liquid piping φ6.35(1／4")(Flare）（Duct dimension） Drain piping VP25(I.D.25,O.D.32) Drain piping VP20(I.D.20,O.D.26) （Gravity drainage） Hole for wiring Drain hose piece Suspension bolts (M10) （Accessory）...
Page 54 '17 • SCM-T-225 (7) Remote control (a) Wireless remote control (3) Remote control Models SRK, SRF, SRR (Typical example) Unit : mm Models FDTC, FDEN, FDE, FDUM (Option parts)
Page 55 '17 • SCM-T-225 (b) Wired remote control (Option parts) Interface kit (SC-BIKN2-E) is required to use the wired remote control. (Models SRK, SRF and SRR only) Model RC-EX3 Installation space Exterior appearance Pearl White white (Munsell color) (N8.5) near equivalent allen R/C cable：0.3mm ×...
Page 56 '17 • SCM-T-225 Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, and grind burrs with a file etc. Exposed mounting In case of pulling out In case of pulling out from upper left from center 0.3mm...
Page 57 '17 • SCM-T-225 2.3 Electrical wiring (1) Wall mounted type (SRK) Models SRK20ZSX-S, 25ZSX-S, 35ZSX-S, 50ZSX-S, 60ZSX-S RWA000Z412...
Page 58 '17 • SCM-T-225 Models SRK20ZS-S, 25ZS-S, 35ZS-S, 50ZS-S RWA000Z410...
Page 59 '17 • SCM-T-225 (2) Floor standing type (SRF) Models SRF25ZMX-S, 35ZMX-S, 50ZMX-S SRF25ZMA-S, 35ZMA-S, 50ZMA-S RWB000Z057...
Page 60 '17 • SCM-T-225 (3) Ceiling concealed type (SRR) Models SRR25ZM-S, 35ZM-S, 50ZM-S, 60ZM-S RJJ000Z003...
Page 61 '17 • SCM-T-225 (4) 4 way ceiling cassette type (FDTC) Models FDTC25VF, 35VF, 50VF, 60VF PJA003Z340...
Page 62 '17 • SCM-T-225 (5) Ceiling suspended type (FDEN, FDE) Model FDEN50VF PFA003Z819...
Page 63 '17 • SCM-T-225 Model FDE50VG PFA004Z028...
Page 64 '17 • SCM-T-225 (6) Duct connected Low/Middle static pressure type (FDUM) Model FDUM50VF PJG000Z005...
Page 65 '17 • SCM-T-225 2.4 Noise level (1) Wall mounted type (SRK) Model SRK20ZMX-S Condition ISO5151 T1/H1 Mike position Noise Cooling 38 dB(A) Level Heating 38 dB(A) 0.8m Unit Mike position (Center & Low points) × ..Cooling, Heating N7 0 N6 0 Mike position: at highest noise level in position as mentioned belo Distance from front side 1m...
Page 66 '17 • SCM-T-225 Model SRK35ZSX-S Condition ISO5151 T1/H1 Mike position Cooling 43 dB(A) Noise Level Heating 41 dB(A) 0.8m Unit Mike position (Center & Low points) × ..Cooling, Heating N7 0 N6 0 Mike position: at highest noise level in position as mentioned belo Distance from front side 1m N 50 N 40...
Page 67 '17 • SCM-T-225 Model SRK60ZSX-S Condition ISO5151 T1/H1 Mike position Cooling 46 dB(A) Noise Level Heating 46 dB(A) 0.8m Unit Mike position (Center & Low points) × ..Cooling, Heating N 70 N 60 Mike position: at highest noise level in position as mentioned bel Distance from front side 1m N 50 N 40...
Page 68 '09•SRK-DB-087D Model SRK25ZJ-S '17 • SCM-T-225 (Indoor Unit) Model SRK25ZS-S Condition ISO5151 T1/H1 Mike position Noise Cooling 36 dB(A) Level Heating 39 dB(A) 0.8m Unit Mike position (Center & low points) × ..Cooling Heating Mike position: at highest noise level in position as mentioned belo Distance from front side 1m '09•SRK-DB-087D 1000...
Page 69 '17 • SCM-T-225 Model SRK50ZS-S Condition ISO5151 T1/H1 Mike position 45 dB(A) Cooling Noise Level Heating 45 dB(A) 0.8m Unit Mike position (Center & low points) × ..Cooling　 Heating Mike position: at highest noise level in position as mentioned belo Distance from front side 1m 1000 2000...
Page 70 '17 • SCM-T-225 (2) Floor standing type (SRF) Models SRF25ZMX-S Models SRF25ZMA-S Condition ISO-T1, JIS C 9612 Cooling 40 dB(A) Noise Mike position ● Level Heating 40 dB(A) Mike position Unit (Front points) × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz) Models SRF35ZMX-S...
Page 71 '17 • SCM-T-225 Models SRF50ZMX-S Models SRF50ZMA-S Condition ISO-T1, JIS C 9612 Cooling 46 dB(A) Noise Mike position ● Level Heating 47 dB(A) Mike position Unit (Front points) × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz) (3) Ceiling concealed type (SRR) Condition ISO5151-T1, JIS C 9612...
Page 72 Mike position ● '17 • SCM-T-225 Unit 1.5m ・Sound pressure level ② Condition ISO5151-T1, JIS C 9612 Mike position ● Cooling 31 dB(A) Noise Level Heating 33 dB(A) Unit Supply duct Return duct 1.5m External staic pressure : 10Pa × ..Cooling, Heating Mike position ●...
Page 73 '17 • SCM-T-225 Model SRR35ZM-S Condition ISO5151-T1, JIS C 9612 ・Sound pressure level ① Mike position ● Noise Cooling 38 dB(A) Unit Level Heating 42 dB(A) 1.5m × ..Cooling, Heating Mike position ● Unit Supply duct Return duct 1.5m External staic pressure : 10Pa Mike position ●...
Page 74 Mike position ● '17 • SCM-T-225 Unit Supply duct Return duct 1.5m ・Sound pressure level ③ External staic pressure : 10Pa Condition ISO5151-T1, JIS C 9612 Mike position ● Cooling 40 dB(A) Noise Level Heating 45 dB(A) Unit Supply duct Return duct External staic pressure : 10Pa ×...
Page 75 Mike position ● '17 • SCM-T-225 Unit 1.5m ・Sound pressure level ② Condition ISO5151-T1, JIS C 9612 Cooling 35 dB(A) Mike position Noise ● Level Heating 38 dB(A) Unit Supply duct Return duct 1.5m External staic pressure : 10Pa × ..Cooling, Heating Mike position ●...
Page 76 '17 • SCM-T-225 Model SRR60ZM-S Condition ISO5151-T1, JIS C 9612 ・Sound pressure level ① Mike position ● Cooling 44 dB(A) Noise Unit Level Heating 45 dB(A) 1.5m × ..Cooling, Heating Mike position ● Unit Supply duct Return duct 1.5m External staic pressure : 10Pa Mike position ●...
Page 77 Mike position ● '17 • SCM-T-225 Unit Supply duct Return duct 1.5m ・Sound pressure level ③ External staic pressure : 10Pa Condition ISO5151-T1, JIS C 9612 Noise Cooling 42 dB(A) Mike position ● Level Heating 47 dB(A) Unit Supply duct Return duct External staic pressure : 10Pa ×...
Page 78 '17 • SCM-T-225 Model FDTC35VF Condition ISO-T1, JIS C 9612 Cooling 41 dB(A) Mike position Noise ● Level Heating 43 dB(A) 1.5m Mike position (Center & below unit) × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz) Model FDTC50VF Condition ISO-T1, JIS B 8616 Mike position...
Page 79 '17 • SCM-T-225 Model FDTC60VF Condition ISO-T1, JIS B 8616 Cooling 47 dB(A) Mike position Noise ● Level Heating 47 dB(A) 1.5m Mike position (Center & below unit) × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz) (5) Ceiling suspended type (FDEN, FDE) Condition ISO-T1, JIS B 8616 Model FDEN50VF...
Page 80 Ambient air temperature: Indoor unit 27℃WB. Outdoor unit 35℃DB. (2) The data in the chart are measured in an anechoic room. Unit (3) The noise levels measured in the field are usually higher than the data because of reflection. 1.4 NOISE LEVEL 1.4 NOISE LEVEL Measured based on JIS B 8616 '17 •...
Page 81 '17 • SCM-T-225 2.5 Characteristics of fan (1) Ceiling concealed type (SRR) Model SRR25ZM-S Cooling Heating Air flow (m /min) Air flow (m /min) Model SRR35ZM-S Cooling Heating Air flow (m /min) Air flow (m /min) Model SRR50ZM-S Cooling Heating Air flow (m /min) Air flow (m...
Page 82 '17 • SCM-T-225 (2) Duct connected Low/Middle static pressure type (FDUM) ・Characteristic FAN (1) shows air flow vs. External Static Pressure (E.S.P.) range where settings of E.S.P. are maximum E.S.P. (100Pa) , 　rated E.S.P., and minimum E.S.P. (10Pa). ・Characteristic FAN (2) shows air flow vs. E.S.P. curve when set fan tap is set P-Hi with each setting of E.S.P. by wired remote control. ・External Static Pressure (E.S.P.) can be set by wired remote control.
Page 83 '17 • SCM-T-225 2.6 Application data RLF012A200 (1) Wall mounted type (SRK) Model SRK20,25,35,50,60ZSX-S Models SRK20ZSX-S, 25ZSX-S, 35ZSX-S, 50ZSX-S, 60ZSX-S R410A REFRIGERANT USED • This installation manual deals with an indoor unit installation only. For an outdoor unit installation, refer to page 14. SAFETY PRECAUTIONS •...
Page 84 '17 • SCM-T-225 2. SELECTING INSTALLATION LOCATION After getting customer’s approval, select installation location according to following guidelines. 6.5 cm minimum from the ceiling (In the case of less than 10 cm, Installation example 1. Indoor unit there is a possibility of performance 2 cm degradation.) •...
Page 85 '17 • SCM-T-225 6. FORMING PIPING AND DRAIN HOSE 1. Forming piping Piping is possible in the right, rear, downward, left, left rear or left downward direction. Pipings Forming of pipings Taping of the exterior NOTE • Hold the bottom of the •...
Page 86 '17 • SCM-T-225 10. HOW TO OPEN, CLOSE, REMOVE AND INSTALL 13. INSTALLING TWO AIR-CONDITIONERS IN THE SAME ROOM THE AIR INLET PANEL 1. Open In case two air-conditioners are installed in the same room, apply this setting so that one unit can be Air inlet panel operated with only one wirelesss remote control.
Page 87 '17 • SCM-T-225 Models SRK20ZS-S, 25ZS-S, 35ZS-S, 50ZS-S...
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Page 103 '17 • SCM-T-225 PJA012D786 (4) 4 way ceiling cassette type (FDTC) ① INSTALLATION MANUAL FOR CEILING CASSETTE PJA012D786B PJA012D781 Models FDTC25VF, 35VF, 50VF, 60VF – 4 WAY COMPACT (600 x 600mm) – l Install l Conﬁr Un This manual is for the installation of an indoor unit. This manual is for the installation of an indoor unit.
Page 104 '17 • SCM-T-225 D786 ① ③ Before installation Preparation before installation D781 l Install correctly according to the installation manual. l If suspension bolt becomes longer, do reinforcement of earthquake resistant. l Conﬁrm the following points: For grid ceiling ...
Page 105 '17 • SCM-T-225 Installation of indoor unit (continued) Refrigerant pipe (continued) ④ ⑤ ⑥ < > < > 4. Insulate 6. Make sure to install the indoor unit horizontally. Conﬁrm the The case of using thicness of insulation is 10mm The case of using reinfoced insulation levelness of the indoor unit with a level gauge or transparent ...
Page 106 '17 • SCM-T-225 Drain pipe (continued) Wiring-out position and wiring connection (continued) ⑥ ⑦ Descending stop greater than 1/100 4. Insulate the drain pipe.  Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause site) Single spilit (PAC) series dew condensation and water leakage.
Page 107 '17 • SCM-T-225 PJA012D783 source...
Page 108 '17 • SCM-T-225 Note : This function is not able to be set with wireless remote controls or simple remote control (RCH-H3). For setting the swing range of other louvers, return to 1 and proceed same procedure respectively.
Page 109 '17 • SCM-T-225 (5) Ceiling suspended type (FDEN, FDE) INSTALLATION MANUAL FOR CEILING SUSPENDED PFA012D621D TYPE (FDE) Model FDEN50VF ① Before i ① Before i This manual is for the installation of an indoor unit. CAUTION Install correctly For remote control installation, refer to page 301. For wireless kit installation, refer Con rm the fol to page 322.
Page 110 '17 • SCM-T-225 621D ① Before installation ① Before installation ③ Preparation before installation (continued) Install correctly according to the installation manual. Pitch of suspension bolts and pipe position Location of pipe outlets Con rm the following points: Pitch of suspension bolts Top cover Drain line Unit type/Power source speci cation...
Page 111 '17 • SCM-T-225 ⑤ Installation of indoor unit ⑥ Refrigerant pipe (continued) ⑦ Drain Work procedure 4. Refrigerant is charged in the outdoor unit. Drain test Paper pattern As for the additional refrigerant charge for the indoor unit and piping, refer to the installation 1.
Page 112 '17 • SCM-T-225 ⑦ Drain pipe (continued) ⑪ How to set the air ow direction Drain test It is possible to change the movable range of the louver on the air outlet from installation After installation of drain pipe, make sure that drain system work in good the wired remote control.
Page 113 '17 • SCM-T-225 INSTALLATION MANUAL FOR CEILING SUSPENDED PFA012D628 Model FDE50VG TYPE (FDE) ①Be ①Be This manual is for the installation of an indoor unit. CAUTION Install c For remote control installation, refer to page 301. For wireless kit installation, refer to page 322.
Page 114 '17 • SCM-T-225 2D628 ①Before installation ①Before installation ③Preparation before installation (continued) ※Pipes can be taken out in 3 directions (rear, right or Install correctly according to the installation manual. top). (mm) Con rm the following points: ・ Cut out holes using nippers, etc. Series type Unit type/Power source speci cation...
Page 115 '17 • SCM-T-225 ⑤Refrigerant pipe ⑥Drain pipe ⑦Wi ●The drain pipes may pull out either from back, right or left side. Caution FDE ( ●Be sure to use new pipes for the refrigerant pipes. Use the ﬂare nut attached to the product Caution or a nut compatible with JIS B 8607, Class 2.
Page 116 '17 • SCM-T-225 ⑪How to set the airflow direction ⑦Wiring-out position and wiring connection (continued) Clip It is possible to change the movable range of the louver on the air outlet from FDE (small) the wired remote control. Once the top and bottom position is set, the louver roperly.
Page 117 '17 • SCM-T-225 (6) Duct connected Low / Middle static pressure type (FDUM) Model FDUM50VF PJG012D008C DUCT CONNECTED MIDDLE STATIC PRESSURE AIR (a) Indoor unit CONDITIONING UNIT INSTALLATION MANUAL ○This mode blow type This manual is for the installation of an indoor unit. CAUTION For remote control installation, refer to page 301.
Page 118 '17 • SCM-T-225 ○This model is middle static ducted type air-conditioning unit. Therefore, do not use this model for direct ③Preparation before installation blow type air-conditioning unit. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ①Before installation 　○For grid ceiling 　　When the suspension bolt length is over 500mm, or the gap between the ceiling and roof is ●Install correctly according to the installation manual.
Page 119 '17 • SCM-T-225 ⑤Duct Work (continued) ⑤Duct Work ⑥Re ① A corrugated board (for preventing sputtering) is attached to the main body of the air-conditioner Connecting the air intake/vent ducts 4. Refr (on the outlet port). Do not remove it until connecting the duct. As f ①Fresh Air Intake ●An air ﬁlter can be provided on the main body of the air-conditioner (on the inlet port).
Page 120 '17 • SCM-T-225 ⑥Refrigerant pipe (continued) ⑦Drain pipe (continued) 4. Refrigerant is charged in the outdoor unit. 3. Make sure to make descending slope of greater than 1/100 and do not make up-down bend As for the additional refrigerant charge for the indoor unit and piping, refer to the installation and/or trap in the midway.
Page 121 '17 • SCM-T-225 (b) Replacement procedure of the fan unit Notes (1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary toreplace. Notes (2) For the maintenance space, refer to page 117. (i) Remove the control box and the side panel, and remove the screws marked in the circles (2 places) in the ﬁgure.
Page 122 '17 • SCM-T-225 3. PIPING SYSTEM Models SCM71ZM-S1, 80ZM-S1...
Page 123 '17 • SCM-T-225 4. RANGE OF USAGE & LIMITATIONS Models SCM71, 80 Models SCM71, 80 Model SCM71ZM-S1 SCM80ZM-S1 Item Cooling Approximately 18 to 32℃ Indoor intake air temperature (Upper, lower limits) Heating Approximately 15 to 30℃ Cooling Approximately -15 to 43℃...
Page 124 ・Number of connectable indoor units SCM71ZM-S1,80ZM-S1 Note(1) In case of combination with SRK-ZMX-S, SRK71ZR-S, FDEN50VF only, 3 Indoor units can be connectable. (1) Model SCM71ZM-S1 In case of SRK71ZR-S＋SRK71ZR-S, 2 Indoor units can be connectable. (a) Indoor unit SRK ZSX-S models only <Cooling>...
Page 125 '17 • SCM-T-225 <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 + 20 1.73 1.73 1.73 1.73...
Page 126 '17 • SCM-T-225 <Heating> Heating capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 2.57 2.57 2.57 1830 3350 20 + 20 + 25...
Page 127 '17 • SCM-T-225 (b) Indoor unit except SRK ZSX-S models only <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 1080 1120 1240...
Page 128 '17 • SCM-T-225 <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 + 20 1.73 1.73 1.73 1.73...
Page 129 '17 • SCM-T-225 <Heating> Heating capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 2.57 2.57 2.57 1870 3350 20 + 20 + 25...
Page 130 '17 • SCM-T-225 (2) Model SCM80ZM-S1 (a ) Indoor unit SRK ZSX-S models only <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min.
Page 131 '17 • SCM-T-225 <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 + 20 1.95 1.95 1.95 1.95...
Page 132 '17 • SCM-T-225 <Heating> Heating capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 1330 1000 1510 1330 1790 unit 1780 2310 2100 2660 20 + 20...
Page 133 '17 • SCM-T-225 <Heating> Heating capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard max. 20 + 20 + 20 + 20 2.28 2.28 2.28 2.28...
Page 134 '17 • SCM-T-225 (b ) Indoor unit except SRK ZSX-S models only <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max.
Page 135 '17 • SCM-T-225 <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 + 20 1.95 1.95 1.95 1.95...
Page 136 '17 • SCM-T-225 <Heating> Heating capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 1060 1330 1220 1510 1510 1790 unit 1950 2310 2240 2660...
Page 137 '17 • SCM-T-225 <Heating> Heating capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) combination Min. Standard Max. 220V 230V 240V Min. Standard Max. 20 + 20 + 20 + 20 2.28 2.28 2.28 2.28...
Page 138 '17 • SCM-T-225 6. SELECTION CHARTS 6. SELECTION CHARTS Correct the cooling and heating capacity in accordance with the conditions as follows. The net cooling and heating capacity can be obtained in the following way. Net capacity = Capacity shown on specification×Correction factors as follows. (1) Coefficient of cooling and heating capacity in relation to temperatures Cooling Heating...
Page 139 '17 • SCM-T-225 7. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 7.1 SRK, SRF and SRR series 7.1.1 SRK-ZSX series (1) Operation control function by wireless remote control Transmission section ON/OFF (luminous) button OPERATION MODE select button Press to start operation, press again Each time the button is pressed, the to stop.
Page 140 '09•SRK-DB-087D '17 • SCM-T-225 '09•SRK-DB-087D (2) Unit ON/OFF button (2) Unit ON/OFF button wireless wireless (a) Operation (a) Operation (b) Details of operation room (b) Details of operation whether to go into the COOL, DRY or HEAT modes. Function Room temperature Fan speed Flap/Louver Timer switch setting Operation mode...
Page 141 '17 • SCM-T-225 Jumpre wire (J1) (5) Selection of the annual cooling function (a) The annual cooling control is valid from factory default setting. It is possible to disable by cutting jumper wire (J3), or changing the setting of dip switch (SW2- 4) on the interface kit (option) PCB if it is connected.
Page 142 '17 • SCM-T-225 (8) Eco operation Pressing the HI POWER/ECONOMY button initiate a soft operation with the power suppressed in order to avoid an excessive cooling (a) Pressing the HI/ECO button initiates a soft operation with the power suppressed in order to avoid an excessive cooling or heating. (b) The remote control displays.
Page 143 Wireless remote Angle of flap from horizontal control display Wireless remote '17 • SCM-T-225 COOL, DRY, FAN Approx. 15° Approx. 20° Approx. 25° Approx. 30° Approx. 55° control display HEAT Approx. 30° Approx. 40° Approx. 45° Approx. 50° Approx. 55° Approx.
Page 144 AUTO Air flow selection Air flow selection < = Operation mode Operation mode Room temp. – Setting temp. >5°C Room temp. – Setting temp. 5°C Cooling AUTO AUTO HIGH POWER AUTO < = < = Room temp. – Setting temp. >5°C Room temp.
Page 145 '09•SRK-DB-087D '09•SRK-DB-087D '17 • SCM-T-225 (11) Timer operation (a) Comfort start-up (ON timer operation) (11) Timer operation (12) Silent operation The unit starts the operation 5 to 60 minutes earlier so that the room can approach optimum temperature at ON timer. When the silent operation is set, the unit operates by dropping the outdoor fan speed and the compressor speed.
Page 146 '17 • SCM-T-225 (15) Display brightness adjustment This function can be used when it is necessary to adjust the brightness of unit display. Brightness level Timer light Run light 100% 100% '09•SRK-DB-087D Note(1) When the unit displays self diagnosis or service mode, brightness level is always LV2. (16) AUTO OFF operation In order to prevent the air-conditioner from continuing to operate although the person(s) has already left the room, the air-conditioner automatically stops approximalely 1 hour (or 2 hours) after the sensor judges that there is no one in the room.
Page 147 12-50rps 12-58rps 12-74rps 12-86rps 12-110rps 12-34rps 12-38rps 12-54rps 12-70rps 12-90rps 12-30rps 12-34rps 12-42rps 12-50rps 12-66rps '17 • SCM-T-225 12-30rps 12-30rps 12-30rps 12-30rps 12-30rps 12-34rps 12-38rps 12-54rps 12-70rps 12-90rps (18) Outline of automatic operation (a) Determination of operation mode (a) Determination of operation mode Operation mode is determined by indoor air temperature and outdoor air temperature as following.
Page 148 Item Cooling Heating Model '17 • SCM-T-225 SRK20 - 35 20 rps 20 rps Lower limit speed SRK50 24 rps 24 rps When this control has continued for more than 30 minutes continuously,the following wind direction control is performed. '09•SRK-DB-087D a) When the vertical wind direction is set at other than the vertical swing,the flaps change to the horizontal position.
Page 149 '17 • SCM-T-225 7.1.2 SRK-ZS series (1) Operation control function by wireless remote control Operation section Transmission section ON/OFF (luminous) button Press to start operation, press again to stop. OPERATION MODE select button Each time the button is pressed, the FAN SPEED button mode changes.
Page 150 '09•SRK-DB-087D '17 • SCM-T-225 '09•SRK-DB-087D (2) Unit ON/OFF button (2) Unit ON/OFF button wireless wireless (a) Operation (a) Operation (b) Details of operation room (b) Details of operation whether to go into the COOL, DRY or HEAT modes. Function Room temperature Fan speed Flap/Louver Timer switch setting Operation mode...
Page 151 '17 • SCM-T-225 J1 用 J3 用 (5) Selection of the annual cooling function Jumper wire (J1) Jumper wire (J3) (a) The annual cooling control is valid from factory default setting. It is possible to disable by cutting jumper wire (J3), or changing the setting of dip switch (SW2- 4) on the interface kit (option) PCB if it is connected.
Page 152 '17 • SCM-T-225 (8) Economy operation Pressing the HI POWER/ECONOMY button initiate a soft operation with the power suppressed in order to avoid an excessive cooling or heating. The unit operate 1.5℃ higher than the setting temperature during cooling or 2.5℃ lower than that during heating. The wireless remote control displays ECONOMY mark and the FAN SPEED display disappears.
Page 153 control display Left approx. 50° Left approx. 20° Center Right approx. 20° Right approx. 50° Center installation Right end installation Left approx. 50° Left approx. 45° Left approx. 30° Center Right approx. 20° '17 • SCM-T-225 Left approx. 20° Center Right approx.
Page 154 Cooling Heating '17 • SCM-T-225 Flap Up/down swing Louver Center (Fixed) Cooling Heating Flap Horizontal blowing (Fixed) Slant forwardl blowing (Fixed) Louver Wide (Fixed) room Operation mode Air flow direction contorol < = < = Room temp. – Setting temp. 2°C 2°C <...
Page 155 The OFF timer can be set at a specific time (in 10-minute units) within a 24-hour period. (c) OFF timer operation The OFF timer can be set at a specific time (in 10-minute units) within a 24-hour period. (d) Weekly timer operation '17 •...
Page 156 '17 • SCM-T-225 '09•SRK-DB-087D (16)　Outline of dehumidifying (DRY) operation (d) Countermeasure for excessive temperature rise If it feels excessive temperature rise in heating operation, setting temperature can be lower. (a) Purpose of DRY mode The purpose is "Dehumidification", and not to control the humidity to the target condition. Indoor/outdoor unit control the operation condition to reduce the humidity, and also prevent over cooling.
Page 157 '17 • SCM-T-225 (18) Protective control function Dew prevention control [Cooling] Prevents dewing on the indoor unit. (SRK35, 50ZS-S only) Operating conditions When the following conditions have been satisfied for more than 30 minutes after starting operation Compressor’s speed is 32 (model SRK50:28) rps or higher. Detected value of humidity is 68% or higher.
Page 158 Outdoor unit failure air-conditioning. item (i), (ii) is satisfied. Once the unit is stopped by this function, it is not '17 • SCM-T-225 (ii) (c) Indoor fan motor protection air-conditioner...
Page 159 '17 • SCM-T-225 7.1.3 SRF, SRR series (1) Operation control function by wireless remote control Operation section Transmission section OPERATION MODE select button ON/OFF (luminous) button Each time the button is pressed, the mode changes. Press to start operation, press again to stop.
Page 160 '17 • SCM-T-225 Unit display section Models SRR25, 35, 50, 60ZM-S RUN (HOT KEEP) light (green) • Illuminates during operation. • Blinks when air flow stops due to the ‘HOT Wireless remote control signal receiver KEEP’ and ‘CLEAN operation’. 1.5 sec. Unit ON/OFF button HOT KEEP This button can be used for turning on/...
Page 161 '17 • SCM-T-225 ・Models SRF25, 35, 50ZMX-S ・Models SRR25, 35, 50, 60ZM-S SRF25, 35, 50ZMA-S Unit ON/OFF button Unit ON/OFF button Auto restart function Auto restart function records the operational status of the air-conditioner immediately prior to be switched off by a pow- er cut, and then automatically resumes operations after the power has been restored.
Page 162 remote control. Set the wireless remote control and indoor unit. (a) Setting the wireless remote control Pull out the cover and take out batteries. '17 • SCM-T-225 (ii) Disconnect the switching line next to the battery with wire cutters. Disconnect (iii) Insert batteries, Close the cover.
Page 163 '17 • SCM-T-225 (b) Content of control (i) If the outdoor air temperature sensor (Tho-A) detects below 5°C, the in- Model door unit speed is switched to 9th step. (It is not possible to change.) SRR25, 35, 50, 60ZM-S (ii) If the outdoor air temperature sensor (Tho-A) detects higher than A°C, SRF25, 35, 50ZMX-S the indoor unit speed is changed to the normal control speed.
Page 164 '17 • SCM-T-225 Flap and louver control (SRF series only)   Control the flap by AIR FLOW (UP/DOWN) button on the wireless remote control. Flap   Each time when you press the AIR FLOW (UP/DOWN) button the mode changes as follows. (Flap stopped) (Swing) ...
Page 165 '17 • SCM-T-225 Auto air outlet selection COOL, DRY operation In case both lower and upper outlets operation is selected in COOL or DRY operation, both outlets will be kept for sixty minutes after the start or until indoor temperature is below the setting point. And then the air outlet will change to the upper outlet.
Page 166 '17 • SCM-T-225 (12) Determining the operating mode The cooling and heating operating modes are the wireless remote control mode that have been previously determined. If a mode differing from these is selected after this, the selected mode will appear in the display of the wireless remote control, but only the fan will operate.
Page 167 '17 • SCM-T-225 Outline of control Indoor unit fan speed and compressor are controlled by the area which is selected by the temperature difference. Indoor unit fan speed Area Me speed Indoor unit fan speed ULo(Lo) speed STOP Limited Lower than normal cooling operation Compressor Limited...
Page 168 '17 • SCM-T-225 (e) When the unit is operated automatically with the wired remote control connected, the cooling operation is controlled ac- cording to the display temperatures while the setting temperature is compensated by +1°C during dehumidifying or by +2°C during heating.
Page 169 '17 • SCM-T-225 (b) Control of input signal Control of input signal (switch input, timer input) connectors (CnT) are provided on the printed circuit board of indoor unit. However, when the operation of air-conditioner is under the “ CENTER ” mode, the wired remote control by CnT is invalid. Level input If the factory settings (Jumper wire J1 EXTERNAL INPUT on the PCB of indoor unit) are set, or “LEVEL INPUT”...
Page 170 '17 • SCM-T-225 (Model SCM40, 45, 50, 60, 71, 80 only) compressor command (20) Indoor fan motor protection (SRF:150)
Page 171 '17 • SCM-T-225 7.2 FDTC, FDEN, FDE and FDUM series 7.2.1 Remote control (Option parts) Model RC-EX3 ⑤ LCD (With backlight) ③ F2 switch ④ Operation ⑥ USB port (mini-B) ① Run/Stop switch ② F1 switch Touch panel system, which is operated by tapping the LCD screen with a finger, is employed for any operations other than the ①Run/Stop, ②F1 and ③F2 switches.
Page 172 '17 • SCM-T-225 Wired remote control Model RC-E5 The figure below shows the remote control with the cover opened. Note that all the items that may be displayed in the liquid crystal display area are shown in the figure for the sake of explanation Characters displayed with dots in the liquid crystal display area are abbreviated.
Page 173 '17 • SCM-T-225 7.2.2 Operation control function by the wired remote control Model RC-EX3 (1) Switching sequence of the operation mode switches of remote control (a) Tap the change operation mode button on the TOP screen. (b) When the change operation mode screen is displayed, tap the button of desired mode. (c) When the operation mode is selected, the display returns to the TOP screen.
Page 174 '17 • SCM-T-225 ●Content memorized with the power failure compensation are as follows. Note (1) Items (f) and (g) are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is cancelled regardless whether the power failure compensation is effective or not. At power failure –...
Page 175 '17 • SCM-T-225 Model RC-E5 Switching sequence of the operation mode switches of remote control COOL HEAT AUTO CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power source reset. Power failure compensation function (Electric power source failure) •...
Page 176 '17 • SCM-T-225 7.2.3 Operation control function by the indoor control (1) Auto operation (a) If “Auto” mode is selected by the remote control, the heating and the cooling are automatically switched according to the difference between outdoor air temperature and setting temperature and the difference between setting temperature and return air temperature.
Page 177 '17 • SCM-T-225 　 (ii) Regardless of the setting temperature, the cooling or heating operation mode is judged according to the "Judgment based on Room temperature/Cooling or Heating and Outdoor temperature/Cooling or Heating". 1) I n case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air temperature"...
Page 178 '17 • SCM-T-225 Timer operation (a) RC-EX3 Sleep timer Set the time from the start to stop of operation. The time can be selected in the range from 30 to 240 minutes (in the unit of 10-minute). Note (1) Enable the “Sleep timer” setting from the remote control. If the setting is enabled, the timer operates at every time. (ii) Set OFF timer by hour Set the time to stop the unit after operation, in the range from 1 to 12 hours (in the unit of hour).
Page 179 '17 • SCM-T-225 Remote control display during the operation stop When the operation is stopped (the power source is turned ON), it displays preferentially the “Room temperature”, “Center/ Remote”, “Filter sign”, “Inspection” and “Timer operation”. Hot start (Cold draft prevention at heating) (a) Operating conditions When either one of following conditions is satisfied, the hot start control is performed.
Page 180 '17 • SCM-T-225 Auto swing control (FDTC, FDEN, FDE only) Note Even if [Auto Swing] is selected, the louver position with anit draft function is fixed to position 1. (a) RC-EX3 Louver control To operate the swing louver when the air-conditioner is operating, press the “Direction” button on the TOP screen of remote control.
Page 181 '17 • SCM-T-225 Thermostat operation (a) Cooling (i) Thermostat is operated with the room temperature control. (ii) Thermostat is turned ON or OFF relative to the set room temperature as shown below. Thermostat ON Temperature drop Thermostat OFF Temperature rise Set room temperature (iii) Thermostat is turned ON when the room temperature is in the range of -1 <...
Page 182 '17 • SCM-T-225 (d) Fan control during cooling thermostat OFF (i) Following fan controls during the cooling thermostat OFF can be selected with the indoor function setting of the wired remote control. ① Low fanspeed, ② Set fan speed (Factory default), ③ Intermittence, ④ Fan OFF (ii) When the “Low fan speed”...
Page 183 '17 • SCM-T-225 (12) Drain pump control This control is operated when the inverter frequency is other than 0 Hz during the cooling operation and automatic cooling and dehumidifying operations. (b) Drain pump ON condition continues for 5 minutes even when it enters the OFF range according to (i) above after turning the drain pump ON, and then stops.
Page 184 '17 • SCM-T-225 Operation check mode There is no communication with the outdoor unit but it allows performing operation in respective modes by operating the remote control. (d) Drain pump test run mode As the drain pump test run is established, the drain pump only operates and during the operation protective functions by the microcomputer of indoor unit become ineffective.
Page 185 '17 • SCM-T-225 (17) Anomalous fan motor After starting the fan motor, if the fan motor speed is 200 min or less is detected for 30 seconds continuously and 4 times within 60 minutes, then fan motor stops with the anomalous stop (E16). (b) If the fan motor fails to reach at -50 min less than the required speed, it stops with the anomalous stop (E20).
Page 186 '17 • SCM-T-225 (20) Abnormal temperature thermistor (return air/indoor heat exchanger) broken wire/short-circuit detection Broken wire detection When the return air temperature thermistor detects -55°C or lower or the heat exchanger temperature thermistor detect -55°C or lower for 5 seconds continuously, the compressor stops. After a 3-minute delay, the compressor restarts but, if it is detected again within 60 minutes after the initial detection for 6 minutes continuously, stops again (the return air temperature thermistor: E7, the heat exchanger temperature thermistor: E6).
Page 187 '17 • SCM-T-225 (b) Input for external control The external input for the indoor unit can be selected from the following input. Input name Content 1 Run/Stop Refer to [(21) (c) Remote operation input] 2 Premission/Prohibition Refer to [(22) Operation permission/prohibition] 3 Cooling/Heating Refer to [(24) Selection of cooling/heating external input function] 4 Emergency stop...
Page 188 '17 • SCM-T-225 Individual operation (Factory default) All units operation (Local setting) Only the unit Only the unit All units in one All units in one directly connected CnT-6 or directly connected remote control remote control to the remote CnTA to the remote control system can be system can be...
Page 189 '17 • SCM-T-225 (a) In case of CnT ① Operation stop level > CnTA ③ Operation permission/prohibition level Operation Operation Operation Stop Stop Stop Level input Operation permission CnTA Operation prohibition Operation permission/ prohibition setting Operation Operation( ) Operation Stop Stop Stop Actual operation...
Page 190 '17 • SCM-T-225 (23) Temporary stop input In case of temporary stop, operation lamp of remote control lights, but indoor/outdoor unit stop the operation. (a) In case of “level input” setting (Factory default) Input signal to CnT-6 or CnTA is OFF → ON : Temporary stop Input signal to CnT-6 or CnTA is OFF → ON : Normal operation CnT-6 or CnTA input Actual operation Temporary stop Temporary stop Remote control...
Page 191 '17 • SCM-T-225 (25) Fan control at heating startup Starting conditions At the start of heating operation, if the difference of setting temperature and return air temperature is 5°C or higher after the end of hot start control, this control is performed. (b) Contents of control (i) Sampling is made at each minute and, when the indoor unit heat exchanger temperature (detected with Thi-R) is 37°C or higher, present number of revolutions of indoor unit fan speed is increased by 10 min...
Page 192 '17 • SCM-T-225 (32) Auto temp. setting (RC-EX3 only) Setting temperature is adjusted automatically at the adequate temperature the center setting temperature. is 24°C by correcting the outdoor air temperature. (33) Fan circulator operation (RC-EX3 only) When the fan is used for circulation, the unit is operated as follows depending on the setting with the remote control. (a) If the invalid is selected with the remote control, the fan is operated continuously during the fan operation.
Page 193 7.3 Outdoor units 7.3.1 Outline of heating operation (1) Summary (a) Capacity control (i) Indoor unit SRK ** ZSX models only Model SCM71ZM-S1 SCM80ZM-S1 1.5 9.4 kW 1.5 9.8 kW Capacity (ii) Indoor unit except SRK ** ZSX models Model...
Page 194 '17 • SCM-T-225 (3) Defrost operation satisfied (ii) (iii) Tho-R − (iv) Tho-A Tho-R (Tho-A) (Tho-R) > = 0.44 × (Tho-A) + A Tho-A 2 °C < = Tho-A 15 °C < = Tho-A < 2 °C Tho-A < 15 °C Defrost operation start Defrost operation...
Page 195 '17 • SCM-T-225 7.3.2 Outline of cooling operation (1) Summary (a) Capacity control (i) Indoor unit SRK ** ZSX models only Model SCM71ZM-S1 SCM80ZM-S1 1.8 8.8 kW 1.8 9.2 kW Capacity (ii) Indoor unit except SRK ** ZSX models Model...
Page 196 '17 • SCM-T-225 7.3.3 Protective control function (1) Cooling overload protective control Tho-A (a) Operating conditions: Model SCM71, 80ZM-S1 Item Outdoor air temperature Lower limit speed Outdoor air temperature ( º (b) Detail of operation thermo OFF, the speed is reduced to 0 rps.
Page 197 (ii) The upper limit of compressor command speed is set to A or C rps, the speed is kept to A or C rps. Upper limit C rps Lower limit D rps Upper limit A rps Lower limit B rps Outdoor air temperature(°C) Values of A ~ D Model SCM71ZM-S1 SCM80ZM-S1 75 rps 75 rps 30 rps 30 rps 60 rps 60 rps...
Page 198 '17 • SCM-T-225 (5) Heating overload protective control Tho-A (a) Operating conditions : (b) Detail of operation A or C (ii) B or D B or D when the thermo becomes OFF, the speed is (iii) B or D. Tho-A (c) Reset conditions: Upper limit C Unit: rps...
Page 199 '17 • SCM-T-225 (7) Refrigeration cycle system protective control (a) Starting condition: This control starts when the following conditions are satisfied. (i) 　 When it has elapsed 30 minutes after the compressor was changed from OFF to ON in the cooling operation mode for more than 5 minutes.
Page 200 '17 • SCM-T-225 (10) Compressor overheat protection (a) Purpose: (b) Detail of operation Tho-D (Example) Fuzzy 3 minutes 3 minutes 3 minutes Discharge pipe temperature (˚C) 105 115 95 105 3 minutes 95 105 3 minutes Item Cooling Heating Model SCM71, 80 25 rps 32 rps...
Page 201 (2) Tho-A(X): After compressor operation, the outdoor air temperature sensor after X minutes. (b) Once the unit is stopped by this function, it is not restarted. • Values of A, B Model SCM71ZM-S1 SCM80ZM-S1 20 rps 20 rps 60 rps...
Page 202 '17 • SCM-T-225 (15) Regulation of outdoor air flow (a) The fan operates as follows according to the compressor command speed. (Except during defrost operation.) NModels SCM71, 80 Cooling Heating More than 31 More than 46 More than 31 More than 66 Less than 31 56 or more Less than 31...
Page 203 Lower Lower limit speed '17 • SCM-T-225 Outdoor air temperature > 16˚C Outdoor air temperature < = 16˚C Tho-R temperature Tho-R 3) Reset conditions: Tho-A Heating Tho-A Operating conditions: (ii) Detail of operation: (iii) Reset conditions: Tho-A (20) Outdoor unit fan control at overload Cooling (i) Starting condition: When the outdoor air temperature (Tho-A) has risen higher than 41°C for 30 seconds continu- ously while the compressor is operating.
Page 204 '17 • SCM-T-225 8. MAINTENANCE DATA 8.1 SRK, SRF and SRR series (1) Cautions (1) Cautions (2) Items to check before troubleshooting (2) Items to check before troubleshooting source source (3) Troubleshooting procedure (If the air-conditioner does not run at all) (3) Troubleshooting procedure (If the air-conditioner does not run at all) satisfied satisfied...
Page 205 '17 • SCM-T-225 (4) Troubleshooting procedure (If the air-conditioner runs) 205. 206−212. 206−212.
Page 206 '17 • SCM-T-225 (5) Self-diagnosis table Models SCM71, 80 Wired Outdoor Indoor unit display panel Description remote main PCB Cause Display (flashing) condition control TIMER of trouble Red LED display light light When a heat exchanger sensor 1 wire disconnection is detected while •...
Page 207 '17 • SCM-T-225 (6) Service mode (Trouble mode access function) (a) Explanation of terms Explanation Term The service mode is the mode where service data are displayed by flashing of the display lights Service mode when the operations in item (b) below are performed with the indoor control. These are the contents of error displays and protective stops which occurred in the past in the air- conditioner system.
Page 208 '09•SRK-DB-087D '17 • SCM-T-225 4-time flash 2-time flash. wireless mode mode Self-diagnosis data wireless mode mode Wireless remote control setting Contents of output data Operation mode Fan speed mode wireless Indicates the number of Wireless remote control setting occasions previous to the present Temperature setting the error display data are from.
Page 209 '09•SRK-DB-087D '17 • SCM-T-225 (Example) Wireless remote control setting Operation Displayed data Fan speed Temperature mode mode setting Displays the reason for the stop (error code) the previous time an error was displayed. 21ºC Displays the reason for the stop (error code) 2 times previous when an error was displayed. 22ºC Cooling 23ºC...
Page 210 '17 • SCM-T-225 (c) Error code, stop code table Models SCM71, 80 Number of flashes when in service mode Stop code Error Auto TIMER Error content Cause Occurrence conditions display recovery light Error code light (10's digit) (1's digit) Normal Can not receive signals for 35 Power source is faulty.
Page 211 '09•SRK-DB-087D '17 • SCM-T-225 4-time flash 2-time flash. (d) Operation mode, Fan speed mode information tables (ii) mode mode Display pattern when Display pattern when Fan speed in service mode in service mode Operation mode mode when when there is an there is an RUN light TIMER light...
Page 212 '09•SRK-DB-087D '17 • SCM-T-225 (e) Temperature information Room temperature sensor, indoor heat exchanger sensor, outdoor air temperature sensor, outdoor heat exchanger sensor temperature. Unit: °C TIMER light (1’s digit) RUN light (10’s digit) Buzzer sound (sounds for 0.1 second) (does not sound) temperature information Sensor value displayed when the error code is normal Sensor name...
Page 213 '09•SRK-DB-087D '17 • SCM-T-225 (ii) Discharge pipe sensor temperature Unit: °C TIMER light (1’s digit) RUN light (10’s digit) Buzzer sound (sounds for 0.1 second) (does not sound) temperature information Sensor value displayed when the error code is normal -64ºC data 0.1 sec.
Page 214 '09•SRK-DB-087D '17 • SCM-T-225 Service data record form Wireless r Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless 207.)
Page 215 '17 • SCM-T-225 (7) Inspection procedures corresponding to detail of trouble Sensor error Broken sensor wire, connector poor connection Sensor temperature characteristics Room Discharge pipe and power transistor sensor temp., indoor heat exchanger temp., out- temperature characteristics door heat exchanger temp., outdoor air temp.
Page 216 '17 • SCM-T-225 Limit switch anomaly (SRK20, 25, 35, 50, 60ZSX only) Defective limit switch, defective indoor control PCB, Defective air inlet panel set Is the air inlet panel set correctly? Correction, re-set Are limit switch OK ? Defective limit switch Note(1) Check if the limit switch functions properly or not by seeing whether the lamp continues to blink or can be reset by pressing the limit swit- -ch by hand while the air inlet panel is removed.
Page 217 '17 • SCM-T-225 Over heat of compressor Gas shortage, defective discharge pipe sensor 214) main Error of signal transmission Wiring error including power cable, defective indoor/ outdoor PCB ② ③ indoor ② ③ indoor ① ② outdoor sub...
Page 218 '17 • SCM-T-225 Trouble of outdoor unit Insufﬁcient refregerant amount, Faulty power transistor, Broken compressor wire Service valve close, Defective EEV, Defective outdoor PCB source source source source − − − ◆ (1) main defrost operation − Notes (1) 223.
Page 219 '17 • SCM-T-225 Rotor lock (SCM71, 80 only) Defective compressor, defective outdoor PCB main See page 215. Drain abnormality (SRR only) [Drain piping defective,pump defect, float switch, indoor PCB] Indoor PCB is Has an overflow developed? Is the float switch operating? defective.
Page 220 '17 • SCM-T-225 (8) Phenomenon observed after shortcircuit, wire breakage on sensor (a) Indoor unit Phenomenon Operation Sensor mode Shortcircuit Disconnected wire Cooling Room temperature sensor Heating Freezing cycle system protection trips and stops the compressor. Cooling Heat exchanger sensor Heating Cooling Humidity sensor...
Page 221 Cooling Heat exchanger sensor Heating Defrosting is performed for 10 minutes at approx. 40 minutes. Cooling Ourdoor air '17 • SCM-T-225 temperature sensor Defrosting is performed for 10 minutes at approx. 40 minutes. Heating Discharge pipe All modes sensor (9) Checking the indoor electrical equipment (a) Indoor PCB check procedure Is there voltage between terminal Inspect power source...
Page 222 Operation SW ON Measure in this section '17 • SCM-T-225 (10) How to make sure of wireless remote control wireless wireless wireless wireless wireless wireless Simplified check methd of wireless remote control It is normal if the signal transmission section of the wireless remote control emits a whitish light at each transmission on the monitor of digital camera.
Page 223 '17 • SCM-T-225 (12) Outdoor unit inspection points Models SCM71ZM-S1,80ZM-S1 Color marks Mark Color Black ◆Power source and serial signal inspection CAUTION- HIGH VOLTAGE Blue ① to ②: AC 220/230/240V Brown High voltage is produced in the control box. Don't touch ②...
Page 224 '17 • SCM-T-225 (a) Inspection of electronic expansion valve (ii) (iii) (iv) • Inspection of electronic expansion valve as a separate unit Measuring point Resistance when normal (b) Outdoor unit fan motor check procedure main (i) Outdoor main PCB output check ...
Page 225 '17 • SCM-T-225 8.2 FDTC, FDEN, FDE and FDUM series 8.2.1 Diagnosing of microcomputer circuit Selfdiagnosis function (a) Check indicator table Whether a failure exists or not on the indoor unit and outdoor unit can be know by the contents of remote control error code, indoor/outdoor unit green LED (power pilot lamp and microcomputer normality pilot lamp) or red LED (check pilot lamp).
Page 226 '17 • SCM-T-225 (ii) Outdoor unit Models SCM71 , 80 Outdoor Remote control Indoor control PCB Reference main PCB Location of trouble Description of trouble Repair method page Green Error code Red LED Red LED Red LED Installation, operation status • Higher outdoor heat exchanger temperature Repair Replacement, repair Outdoor heat exchanger...
Page 227 '17 • SCM-T-225 (iii) Display sequence of error codes or inspection indicator lamps ■ Occurrence of one kind of error Displays are shown respectively according to errors. ■ Occurrence of plural kinds of error Section Category of display Error code on remote control •...
Page 228 '17 • SCM-T-225 ■ Error log and reset Error indicator Memorized error log Reset Remote control display • Higher priority error is memorized. • Stop the unit by pressing the ON/OFF switch of remote control. Red LED on indoor control PCB •...
Page 229 '17 • SCM-T-225 (i) FDTC series PSB012D976B 1) Control PCB PSB012D976C Replace and set up the PCB according to this instruction. a) Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
Page 230 '17 • SCM-T-225 2) Power PCB PSB012D953A This PCB is a general PCB. Replace the PCB according to this instruction. a) Replace the PCB (refer to below dwg.) i) Unscrew terminal of the wiring(yellow/green) soldered to PCB from the box. ii) Cut the band that binds the wiring (red and blue) from connector CNW1 and CNW2, and the wiring (yellow/green) from PCB (T2/T3) .
Page 231 '17 • SCM-T-225 (ii) FDEN series PSB012D974C 1) Set to an appropriate address and function using switch on PCB. a) There is a unit having plural applicable PCB depending on a model. b) Set the function setting corresponding the spare PCB and the applicable model. item switch Content of control...
Page 232 '17 • SCM-T-225 (iii) FDE series PSB012D990B 1) Control PCB Replace and set up the PCB according to this instruction. a) Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
Page 233 '17 • SCM-T-225 2) Power PCB This PCB is a general PCB. Replace the PCB according to this instruction. a) Replace the PCB i) Unscrew terminal of the wiring(yellow/green) connected to terminal block (CNWO) from the box. ii) Replace the PCB only after all the wirings connected to the connector are removed. iii) Fix the board such that it will not pinch any of the wires.
Page 234 '17 • SCM-T-225 (iv) FDUM series PSB012D990B 1) Control PCB Replace and set up the PCB according to this instruction. a) Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
Page 235 '17 • SCM-T-225 2) Power PCB PSB012D992 This PCB is a general PCB. Replace the PCB according to this instruction. a) Replace the PCB i) Unscrew terminal of the wiring(yellow/green) connected to Terminal block (CNWO) from the box. ii) Replace the PCB only after all the wirings connected to the connector are removed. iii) Fix the board such that it will not pinch any of the wires.
Page 236 '17 • SCM-T-225 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C SW5-1 Master * /Slave Master/Slave setting See table 2 SW5-2 SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4...
Page 237 '17 • SCM-T-225 (4) Check of anomalous operation data with the remote control (a) In case of RC-EX3 remote control [Operating procedure] ➀ On the TOP screen, touch the buttons in the order of “Menu” ➝ “Service setting” ➝ “Service & Maintenance” ➝ “Service password”...
Page 238 '17 • SCM-T-225 (b) In case of RC-E5 remote control Number Data Item Operation data can be checked with remote control unit operation. (Operation Mode) (Set Temperature) ➀ Press the button. (Return Air Temperature) The display change “ ” (Remote Control Thermistor Tempeature) (Indoor Heat Exchanger Thermistor / U Bend) ➁...
Page 239 '17 • SCM-T-225 Inverter checker for diagnosis of inverter output 　 ●Checking method (a) Setup procedure of checker. Power OFF (Turn off the breaker). (ii) Remove the terminal cover of compressor and disconnect the wires (U, V, W) from compressor. (iii) Connect the wires U (Red) , V (White) and W (Black) of the checker to the terminal of disconnected wires (U, V, W) from compressor respectively.
Page 240: Table Of Contents
'17 • SCM-T-225 8.2.2 Troubleshooting flow List of troubles Remote control display Description of trouble Reference page None Operates but does not cool. None Operates but does not heat. None Earth leakage breaker activated None Excessive noise/vibration (1/3) None Excessive noise/vibration (2/3) None Excessive noise/vibration (3/3) None...
Page 241: Operates But Does Not Cool
'17 • SCM-T-225 Troubleshooting Green Content Error code Keeps flashing Stays OFF Indoor None Operates but does not cool Remote control: – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature differnce between return and supply air.
Page 242: Operates But Does Not Heat
'17 • SCM-T-225 Green Content Error code Keeps flashing Stays OFF Indoor None Operates but does not heat Remote control: Outdoor – Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature differnce between return and supply air.
Page 243 '17 • SCM-T-225 Green Error code Content Stays OFF Stays OFF Indoor None Earth leakage breaker activated Remote control: Outdoor – Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are OK the insulation resistance and Replace compressor. coil resistance of compressor? 2.
Page 244 '17 • SCM-T-225 Green Error code Content – – Indoor None Excessive noise/vibration (1/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure If excessive noise/vibration persists when sufficient Does time has elapsed after noise/vibration stopping the unit, it is occur during or soon considered that the air-...
Page 245 '17 • SCM-T-225 Green Error code Content – – Indoor None Excessive noise/vibration (2/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Rearrange the piping to Are the pipes avoid contact with the contacting the casing.
Page 246 '17 • SCM-T-225 Green Error code Content – – Indoor None Excessive noise/vibration (3/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page If insufficient cooling/ Adjustment heating problem happens during commissioning due to anomalous operating Does noise/vibration occur when the conditions at cooling/...
Page 247 '17 • SCM-T-225 Green Error code Content Louver motor failure Keeps flashing Stays OFF Indoor None Remote control: (FDTC, FDEN and FDE series) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTC, FDEN and FDE series Diagnosis Countermeasure only L Check at the indoor unit side.
Page 248: Power Source System Error (Power Source To Indoor Control Pcb)
'17 • SCM-T-225 Green Power source system error Error code Content Stays OFF Stays OFF Indoor None Remote control: (Power source to indoor control PCB) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220/240V detected between Œ and ...
Page 249: Power Source System Error (Power Source To Remote Control)
'17 • SCM-T-225 Green Error code Content Power source system error Keeps flashing 3-time flash Indoor None Remote control: (Power source to remote control) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct.
Page 250: Inspect I/U (When 1 Or 2 Remote Controls Are Connected)
'17 • SCM-T-225 Green Error code Content INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (When 1 or 2 remote controls are connected) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control connected? ⑴，...
Page 251 '17 • SCM-T-225 Green Error code Content INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (Connection of 3 units or more remote control) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less.
Page 252 '17 • SCM-T-225 Green Error code Content Communication error at Indoor Keeps flashing Stays OFF Remote control: WAIT initial operation (1/3) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control LCD displays “ ”...
Page 253 '17 • SCM-T-225 Green Error code Content Communication error at Indoor Keeps flashing Stays OFF Remote control: WAIT initial operation (2/3) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the fuse is blown, the method to inspect outdoor sub PCB before replacing the power From previous page...
Page 254 '17 • SCM-T-225 Green Error code Content Communication error at Indoor Keeps flashing Stays OFF Remote control: WAIT initial operation (3/3) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control display is extinguished after the power on.
Page 255 '17 • SCM-T-225 Green Error code Content Remote control Keeps flashing Stays OFF Indoor Remote control: communication circuit error – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Malfunction by noise Is it possible to Check peripheral reset normally by the power reset? environment.
Page 256: E5 Communication Error During Operation
'17 • SCM-T-225 Green Error code Content Keeps flashing 2-time flash Indoor Communication error during operation Remote control: – 6-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Note (1) Inspect faulty connections (disconnection, looseness) on the outdoor unit terminal block. Is the connection of signal Repair signal wires.
Page 257: E6 Indoor Heat Exchanger Temperature Thermistor Anomaly
'17 • SCM-T-225 Green Error code Content Indoor heat exchanger Keeps flashing 1-time flash Indoor Remote control: temperature thermistor anomaly – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of indoor heat Correct. ➞ Insert connector exchanger temperature thermistor securely.
Page 258: E7 Return Air Temperature Thermistor Anomaly
'17 • SCM-T-225 Green Error code Content Return air temperature Keeps flashing 1-time flash Indoor Remote control: thermistor anomaly – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of return Correct. ➞ Connect air temperature thermistor connector.
Page 259 '17 • SCM-T-225 Green Error code Content Keeps flashing 1-time flash Indoor Heating overload operation Remote control: – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the air filter clogged? Wash. 2. Error detection method Is the Defective indoor heat indoor heat exchanger...
Page 260 '17 • SCM-T-225 Green Error code Content Drain trouble Keeps flashing 1-time flash Indoor Remote control: （ FDTC and FDUM series ） – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTC and FDUM series only Diagnosis Countermeasure Check the error data in the remote control. Is there any overflow? Is DC 12V at CNI connector.
Page 261: E10 Excessive Number Of Connected Indoor Units (More Than 17 Units) By Controlling With One Remote Control
'17 • SCM-T-225 Excessive number of connected Green Error code Content indoor units (more than 17 units) Keeps flashing Stays OFF Indoor Remote control: by controlling with one remote control – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Aren't more than 17...
Page 262 '17 • SCM-T-225 Green Error code Content Address setting error of Keeps flashing Keeps flashing Indoor Remote control: indoor units Outdoor – Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E11 occurs Is “Master IU address set” function of remote 2.
Page 263 '17 • SCM-T-225 Green Error code Content Indoor fan motor anomaly Keeps flashing 1-time flash Indoor Remote control: （ FDTC, FDE and FDUM series ） – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTC and FDUM series only Diagnosis Countermeasure Does any foreign material...
Page 264: E19 Indoor Unit Operation Check, Drain Motor Check Setting Error
'17 • SCM-T-225 Green Error code Content Indoor unit operation check, Keeps flashing 1-time flash Indoor Remote control: drain motor check setting error – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Defective indoor control Is SW7-1 PCB (Defective SW7)
Page 265 '17 • SCM-T-225 Indoor fan motor rotation Green Error code Content speed anomaly Keeps flashing 1-time flash Indoor Remote control: （ FDTC, FDE and FDUM series ） – Outdoor Stays OFF 5. Troubleshooting 1. Applicable model FDTC and FDUM series only Diagnosis Countermeasure Does any...
Page 266: E28 Remote Control Temperature Thermistor Anomaly
'17 • SCM-T-225 Green Error code Content Remote control Keeps flashing Stays OFF Indoor Remote control: temperature thermistor anomaly – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure 2. Error detection method Is the remote Correct. control temperature thermistor Is the remote connected properly?
Page 267: E35 Cooling High Pressure Operation
'17 • SCM-T-225 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Cooling high pressure operation – 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature Are normal sensor, refer to E37.
Page 268: E36 Discharge Pipe Temperature Error
'17 • SCM-T-225 Green Error code Content Keeps flashing Stays OFF Indoor Discharge pipe temperature error Remote control: – 5-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of discharge Are the pipe temperature, refer to E39. characteristics of discharge pipe temperature Replace discharge pipe...
Page 269: E37 Outdoor Heat Exchanger Temperature Sensor Anomaly
'17 • SCM-T-225 Green Error code Content Outdoor heat exchanger Keeps flashing Stays OFF Indoor Remote control: temperature sensor anomaly – 8-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the outdoor heat exchanger temperature Correct connector. sensor connector connected properly?
Page 270 '17 • SCM-T-225 Green Error code Content Outdoor air temperature Keeps flashing Stays OFF Indoor Remote control: sensor anomaly – 8-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the suction pipe Correct connector. temperature sensor connector connected properly? For the characteristics of suction pipe temperature sensor, see the following graph.
Page 271 '17 • SCM-T-225 Green Content Error code Discharge pipe Keeps flashing Stays OFF Indoor Remote control: temperature sensor anomaly – 8-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the discharge pipe temperature sensor Correct connector. connector connected properly? 2.
Page 272 '17 • SCM-T-225 Green Content Error code Keeps flashing Stays OFF Indoor Current cut (1/2) Remote control: – 1-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Power source Check power source. voltage OK? Are the 2.
Page 273 '17 • SCM-T-225 Green Error code Content Keeps flashing Stays OFF Indoor Current cut (2/2) Remote control: – 1-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Is the checked result of power Defective outdoor main transistor module PCB ➞...
Page 274: E45 Outdoor Sub Pcb Communication Error
'17 • SCM-T-225 Green Error code Content Outdoor sub PCB Indoor Keeps flashing Stays OFF Remote control: communication error Outdoor – 4-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connector connection between the outdoor Correct connector. main PCB and the outdoor sub PCB OK? 2.
Page 275 '17 • SCM-T-225 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Active filter voltage error – 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Restore normal condition. Is the power source normal? 2. Error detection method Is voltage Restore normal condition.
Page 276: E48 Outdoor Fan Motor Anomaly
'17 • SCM-T-225 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Outdoor fan motor anomaly – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material intervene Remove foreign matter. in rotational area of fan propeller? Does the 2.
Page 277 '17 • SCM-T-225 Green Green Error code Content Content Error code Indoor Keeps flashing Stays OFF Remote control: Remote controller: E51 Power transistor anomaly Power transistor error Keeps flashing Stays Off Indoor Outdoor – 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 278 '17 • SCM-T-225 Green Error code Content Suction pipe temperature Keeps flashing Stays OFF Indoor Remote control: sensor anomaly – 8-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the suction pipe Correct connector. temperature sensor connector connected properly? For the characteristics of suction pipe temperature sensor, see the following graph.
Page 279: E57 Insufficient Refrigerant Amount Or Detection Of Service Valve Closure
'17 • SCM-T-225 Green Error code Content Insufficient refrigerant amount Indoor Keeps flashing Stays OFF Remote control: or detection of service valve closure – 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Open fully. service valve fully opened? Are the...
Page 280: Current Safe Stop
'17 • SCM-T-225 Green Green Error code Content Content Error code Current safe stop Indoor Keeps flashing Stays OFF Keeps flashing Stays Off Indoor Remote control: Current safe stop Remote controller: E58 (Model SRC40 - 60) – 3-time flash Outdoor 3 time flash Outdoor ―...
Page 281: E59 Compressor Startup Failure
'17 • SCM-T-225 Green Error code Content Indoor Keeps flashing Stays OFF Compressor startup failure Remote control: – 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Disconnect the outdoor fan motor Compressor does not start at all. connector and try to startup Neither noise nor vibration cannot be heard Does...
Page 282 '17 • SCM-T-225 Green Error code Content Keeps flashing Stays OFF Indoor Compressor rotor lock error Remote control: – 7-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Check and correct the power source voltage power source voltage Reset the power source and restart operation.
Page 283 '17 • SCM-T-225 9. TABLE OF FUNCTIONS CONNECTED WIRED REMOTE CONTROL (RC-E5) If wired remote control (option part) is connected to the following indoor units, some of the functions cannot be used. Please see following table for details. ・Wall mounted type：SRK＊＊ZSX-S, ZS-S ・Floor standing type：SRF＊＊ZMX-S, ZMA-S ・Ceiling concealed type：SRR＊＊ZM-S ○：OK, △：Conditionally OK, ×：N/A...
Page 284 '17 • SCM-T-225 Outline of function Remarks Functions Preparation of display of heating Display of preparative heating opration from indoor unit. Starting time of heating, thermo operation ○ ○ ○ opration 34 Display of defrost operation Display of defrost operation from indoor unit. ○...
Page 285 '17 • SCM-T-225 10. COMPONENT REPLACEMENT Models SCM71ZM-S1, 80ZM-S1 Fan and fan motor (FMo) Screws (For front panel) Screws (For top panel) 1. Loosen 6 screws and remove the top panel. 2. Loosen 3 screws and remove the service panel.
Page 286 '17 • SCM-T-225 Fan and fan motor (FMo) Clanps 7. Detach the clamps. 8. Pull out the cable. Nuts 9. Loose 4 nuts. 10. Remove the fan motor (FMo). Compressor (CM) 1. Loosen screws and remove the service panel and top panel.
Page 287 '17 • SCM-T-225 Compressor (CM) 4. Loosen screws and remove 〔Side panel〕 Screws the side panel. Screws Screws 〔Side view〕〔Rear view〕 5. Untie the string and remove rear and front insulation cover. 6. Disconnect the connector of crankcase heater. Rear cover Disconnect the connector of...
Page 288 '17 • SCM-T-225 Compressor (CM) 7. Remove the top cover and the side jacket of compressor. Top cover Side jacket 8. Remove the crankcase heater. (It is available to remove the Crankcase heater 〔Front view〕 crankcase heater after removing the compressor) 9.
Page 289 '17 • SCM-T-225 Compressor (CM) 10. Loosen a nut and remove the terminal cover. Terminal cover 11. Disconnect the fasten connectors from compressor. U: Red cable V: White cable W: Black cable Note : Be sure to do above work after elapsing 3 minutes from power OFF.
Page 290 '17 • SCM-T-225 Main PCB (PCB1) on the upper layer 〔Top view〕 1. Loosen the screws and remove the top panel and service panel. 2. Unlatch the cover and remove the cover of control box. 2 Latches on front side 2 more Latches on rear side 3.
Page 291 '17 • SCM-T-225 Main PCB (PCB1) on the upper layer 〔Main PCB〕 5. Disconnect all connectors on the main PCB side. ①Disconnect the fasten connectors for power source to compressor. U : Red cable V : White cable W : Black cable 　　...
Page 292 '17 • SCM-T-225 Main PCB (PCB1) on the upper layer Layout of Main PCB 〈Main PCB〉〔Part side〕 CNFAN CNTH CN20S CNHEAT CNSUB R : Black S : White C-2 : Red S-2 : White W : Black Fuse V : White U : Red 〔Pattern side〕...
Page 293 '17 • SCM-T-225 Sub PCB (PCB2) on the lower layer CNEEV2 ② CND ⑤ CNC ⑤ CNB ⑤ CNA ⑤ CN20V ④ 1.After removing the Main PCB, disconnect all connectors on Sub PCB. ①Disconnect the connector of CNEEV1. 　　（for EEVA & EEVB) ②Disconnect the connector of CNEEV2.
Page 294 '17 • SCM-T-225 Sub PCB (PCB2) on the lower layer 6. Loosen 4 screws and remove Sub PCB. Screws Screws 〔Part side〕 Layout of Sub PCB. S-1 (WH) CNEEV2 C-1 (RD) CN20V Black cable CNEEV1 RO (BK) SO (WH) Grounding cables White cable CNMAIN to N-terminal...
Page 295 '17 • SCM-T-225 EEV coils 1. Remove the faulty EEV coil and disconnect the connector. Note: 1) When disconnecting the connector, be sure to check the color marked on the top of coil and the color of the connector. GREEN BLUE WHITE 2) When replace to a new...
Page 296 '17 • SCM-T-225 4-way valve coil 1. Disconnect the connector. Connector (Red) 2. Loosen a screw and remove the coil. Coil Screw...
Page 297 '17 • SCM-T-225 11. CHECKING PROCEDURE Models SCM71ZM-S1, 80ZM-S1 ＜Fan motor＞ CNFAN1 on PCB1 ④ ③ ② ① Output DC280V ① DC15V ② DC0-6V ③ DC0-5V ④ ＜Compressor＞ U:Red W:Black V:White Resistance 1.154Ω...
Page 298 '17 • SCM-T-225 ＜EEV A - EEV D＞ MARKING EEVD GREEN EEVC BLUE EEVB EEVA WHITE Input : DC12V 46Ω 46Ω 46Ω 46Ω...
Page 299 '17 • SCM-T-225 ＜Sensor＞ Suction pipe Discharge pipe temp. sensor temp. sensor (Tho-S) (Tho-D) Heat exchanger sensor (Tho-R) Resistance(kΩ) Outdoor air Name Color temp. sensor 25℃ 90℃ (Tho-A) Tho-R Black Tho-A Black Tho-D Black Tho-S Black...
Page 300 '17 • SCM-T-225 ＜Main PCB:PCB1＞ CNFAN CNTH CN20S CNHEAT CNSUB R : Black S : White C-2 : Red S-2 : White W : Black Fuse V : White U : Red Connector Connected to Normal value Remark CNFAN Fan motor CNSUB(5-7) DC13V CNMAIN of SUB PCB...
Page 301 '17 • SCM-T-225 ＜SUB PCB:PCB2＞ CN20V CNEEV2 S-1 (WH) C-1 (RD) Black cable CNEEV1 RO (BK) SO (WH) White cable CNMAIN Grounding cables to N-terminal Connector Connected to Normal value Remark TB1(L) AC220-240V Power source TB1(N) AC0V Power source R-1 of Main PCB AC220-240V S-1 of Main PCB AC0V...
Page 302 '17 • SCM-T-225 12. OPTION PARTS PJZ012A131 12.1 Wired remote control (1) Model RC-EX3 　 1. Safety precautions ● Please read this manual carefully before starting installation work to install the unit properly. Every one of the followings is important information to be observed strictly. Failure to follow these instructions properly may result in serious WARNING consequences such as death, severe injury, etc.
Page 303 '17 • SCM-T-225 　 WARNING Do not install the unit in appropriate environment or where inflammable gas could generate, flow in, accumulate or leak. If the unit is used at places where air contains dense oil mist, steam, organic solvent vapor, corrosive gas (ammonium, sulfuric compound, acid, etc) or where acidic or alkaline solution, special spray, etc.
Page 304 '17 • SCM-T-225 　 CAUTION Do not install the remote control at following places. (1) It could cause break-down or deformation of remote control. ・Where it is exposed to direct sunlight ・Where the ambient temperature becomes 0 ° C or below, or 40 ° C or above ・Where the surface is not flat ・Where the strength of installation area is insufficient (2) Moisture may be attached to internal parts of the remote control, resulting in a display...
Page 305 '17 • SCM-T-225 　 2 . Accessories & Prepare on site Following parts are provided. Accessories R/C main unit, wood screw (ø3.5 x 16) 2 pcs, Quick reference Following parts are arranged at site. Prepare them according to the respective installation procedures. When the cable length is longer than 100 m, Item name Q’ty...
Page 306 '17 • SCM-T-225 　 4 . Installation procedure Perform installation and wiring work for the remote control according to the PCB side (Viewed from rear) following procedure. Dimensions (Viewed from front) 固定穴 Fixing holes センサー端子 Sensor USB port Terminal block To remove the upper case from the bottom cases of R/C ·...
Page 307 ブッシングパテでシールすること '17 • SCM-T-225 　リモコン配線 ③ Connect wires from X and Y terminals of R/C to X and Y terminals of indoor unit. R/C wires (X, Y) have no polarity. Fix wires such that the wires will run around the terminal screws on the top case of R/C.
Page 308 '17 • SCM-T-225 　 5 . Main/Sub setting when more than one remote control are used ○: operable ×: not operable Up to two units of R/C can be used R/C operations Main Sub R/C operations Main Sub Service Installation Installation date ○...
Page 309 '17 • SCM-T-225 (2) Model RC-E5 Installation manual for wired remote controller PJA012D730 Connect the remote control terminal block. Connect the terminal of rem Read together with indoor unit's installation manual. with the terminal of indoor u WARNING (X and Y are no polarity) Wiring route is as shown in Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the depending on the pulling ou...
Page 310 '17 • SCM-T-225 emote controller Connect the remote control cord to the Sheath Sheath The range of temperature setting Upper Upper terminal block. When shipped, the range of set tempe Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 - 30°C (55 - 86°F)
Page 311 '17 • SCM-T-225 PJA012D730 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. pper case Upper case Board Heating : 16 - 30°C (55 - 86°F) Except heating (cooling, fan, dry, automatic) : 18 - 30°C (62 - 86°F) Upper limit and lower limit of set temperature can be changed with remote control.
Page 312 '17 • SCM-T-225 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote control and indoor unit are connected. As long as they are used in a typical manner, there wiil be no need to change the initial settings. If you would like to change the initial setting marked “...
Page 313 '17 • SCM-T-225 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Function No. Item Default Model "Auto-RUN" mode selectable indoor unit. Remote control function02 Indoor unit without "Auto-RUN" mode Indoor unit with two or three step of air flow setting Remote control function06...
Page 314 '17 • SCM-T-225 P JA 0 1 2 D 73 0 nd is automatically defined as following table. Operation message How to set function ectable indoor unit. Function description: Function No. Stop air-conditioner and press (SET) (MODE) setting description: uto-RUN" mode buttons at the same time for over three seconds, and the three step of air flow setting "FUNCTION SET...
Page 315 '17 • SCM-T-225 12.2 Wireless kit PJA012D791 WIRELESS REMOTE RCN-TC-24W-E2 　 (1) FDTC series (RCN-TC-24W-E2) PJA012D791 201612 CONTROLLER&RECEIVER Note : Following functions of FDTC Type-F indoor unit series are not able to be set with this wireless remote control (RCN-TC-24W-E2). INSTALLATION MANUAL 1.
Page 316 '17 • SCM-T-225 WARNING 01612 ● Do not wash the unit with water. It could cause electric shocks, fire, or break-down. ● Use the speci fied cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or fixing could cause heat generation, fire, etc.
Page 317 It could cause electric shocks. '17 • SCM-T-225 ② ③ Preparation before installation (continued) To change setting Master/Slave Insta setting when ① Att 1. Remove the cover by unscrewing two screws from the back of using plural receiver. ② Pu remote controls 2.
Page 318 '17 • SCM-T-225 ③ How to install the receiver(continued) Installation of the receiver ① Attach the receiver to the panel according to the panel installation manual. ② Put the wiring in the control box with other wiring as shown below. ③...
Page 319 '17 • SCM-T-225 ④ ④ Wireless remote control 2. Se Installation tips for the remote control holder Fix the remote control holder using the screws supplied with this product. * Precautions for installing the holder Holder for Wood screw FAN S remote control ●...
Page 320 '17 • SCM-T-225 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Fun speed setting : Standard FAN SPEED Fun speed setting : Setting 1 * Fun speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE Room heating temperature adjustment : +2°C...
Page 321 '17 • SCM-T-225 ⑤ ⑤ Receiver 2. Cor 1 Control plural indoor units with one remote control Restrictions on the thickness and length of wire in a (Maximun total extension 600m.) Up to 16 indoor units can be connected. Standard Within 0.3 mm²...
Page 322 '17 • SCM-T-225 ⑤ Receiver (continued) 2. Correlation between illuminance at the receiver and reachable area of the signal The receivable area of the signal when the illuminance in a plain view. at the receiver is 300lux The drawing in the right shows the correlation between the reachable area of the signal and illuminance at the receiver when the wireless remote...
Page 323 PFA012D630 '17 • SCM-T-225 　　　(2) FDEN, FDE series (RCN-E-E2) PFA012D630 Safety precautions ●Please read this manual carefully before starting installation work to install the unit properly. Every one of the followings is important information to be observed strictly. Safety precautions WARNING Failure to follow these instructions properly may result in serious consequences such as death, severe injury, etc.
Page 324 '17 • SCM-T-225 WARNING ● Do not wash the unit with water. It could cause electric shocks, fire, or break-down. ● Use the speci fied cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or fixing could cause heat generation, fire, etc.
Page 325 It could cause electric shocks. '17 • SCM-T-225 ② ③ Preparation before installation (continued) To change setting Master/Slave The re setting when CAUT 1. Remove four screws located on the back of the receiver and using plural detach the board. remote controls 2.
Page 326 '17 • SCM-T-225 ③ How to install the receiver The receiver can be installed by replacing with a cover of the panel. CAUTION: When installing the receiver after unit has been fixed, injury due to falling may result because of working at high place. ①...
Page 327 '17 • SCM-T-225 ④ ④ Wireless remote control 2. Se Installation tips for the remote control holder Fix the remote control holder using the screws supplied with this product. * Precautions for installing the holder Holder for Wood screw remote control FAN S ●...
Page 328 '17 • SCM-T-225 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Fun speed setting : Standard FAN SPEED Fun speed setting : Setting 1 * Fun speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE Room heating temperature adjustment : +2°C...
Page 329 '17 • SCM-T-225 ⑤ ⑤ Receiver Wire 1 Control plural indoor units with one remote control Restrictions on the thickness and length of wire (Maximun total extension 600m.) Up to 16 indoor units can be connected. 1. St Standard Within 0.3 mm² × 100m 1.
Page 330 '17 • SCM-T-225 ⑤ Receiver (continued) Wireless remote control's operable area 1. Standard signal receiving range 2. Points for attention in connecting a plural [Condition] number of indoor units Illuminance at the receiver area: 360 lux. [Condition] (When no lighting fixture is located within 1m Illuminance at the receiver area: 360 lux.
Page 331 PJZ012D112 '17 • SCM-T-225 　　　(3) FDUM series (RCN-KIT4-E2) PJZ012D112 Safety precautions ●Please read this manual carefully before starting installation work to install the unit properly. Every one of the followings is important information to be observed strictly. Safety precautions WARNING Failure to follow these instructions properly may result in serious consequences such as death, severe injury, etc.
Page 332 '17 • SCM-T-225 WARNING ● Do not wash the unit with water. It could cause electric shocks, ﬁre, or break-down. ● Use the speciﬁed cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or ﬁxing could cause heat generation, ﬁre, etc.
Page 333 It could cause electric shocks. '17 • SCM-T-225 ② ③ Preparation before installation (continued) To change setting Master/Slave setting when using ⑤ Tak plural remote controls ⑥ Fit 1. Remove one screws located on the under of the receiver and detach the board.
Page 334 '17 • SCM-T-225 ③ How to install the receiver(continued) ⑤ Take out the connector to the backside from the hole of the lower case putting through the wiring at ①. ⑥ Fit the upper case and the lower case, and tighten the screws. (B) Installation with enclosed bracket Use this method when installaing onto a gypsum board (7 to 18mm), etc.
Page 335 '17 • SCM-T-225 ③ ④ How to install the receiver (continued) Chan (C) Exposed installation How t Use the following procedure when installing the case with the wiring exposed. The A Cord clamp pump Wiring When Band (enclosed) remot Fix with band To dis button Hole...
Page 336 '17 • SCM-T-225 ④ Wireless remote control (continued) Changing the wireless remote control setting How to change the Auto Run setting The Auto Run mode is not available on the building air-conditioner and gas heat pump series (excluding the cooling/heating free multi system). When using the wireless remote control to operate those models, set the wireless remote control to disable the Auto Run mode.
Page 337 '17 • SCM-T-225 ⑤ ⑤ Receiver (continued) For the shop series For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the indoor unit PCB from [000] to [127] so as not to duplicate. Terminal block Indoor unit (1) Indoor unit (2) Indoor unit (16)
Page 338 [0] to [F] so as not to duplicate. Within 2.0 mm² × 600m '17 • SCM-T-225 ⑤ Receiver (continued) The receivable area of the signal when the illuminance at the receiv er is 300lux. The receivable area of the signal when the illuminance at the receiv er is 600lux.
Page 339 '17 • SCM-T-225 12.3 Simple wired remote control (RCH-E3) Notes: Following functions of FDU indoor unit series are not able to be set with this simple wired remote control (RCH-E3). 　1. 4-fan speed setting (P-Hi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) Names and functions of sections Remote control sensor ON/OFF button Operation/Inspection lamp...
Page 340 '17 • SCM-T-225 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS Remote control installation dimensions In case of embedding wiring Wall surface Wiring Wiring outlet Electrical box (In case of embedding wiring) （Prepare on site） 12×7 slot hole Installation hole 9×4.5 slot hole （2 places）...
Page 341 '17 • SCM-T-225 In case of exposing cord Simple Remote Control Installation Manual PJZ012D069 ⑴　 Make certain to remove a screw on the bottom surface of the remote control. Read together with indoor unit's installation manual. WARNING ⑴ ● Fasten the wiring to the terminal securely and hold the cable securely so as not to apply Screw ⑵　Remove the upper case of the remote control.
Page 342 '17 • SCM-T-225 3. Master/ slave setting when more than one remote control are used 3. Master/ slave setting when more than one remote control are used ⑴　 Up to two remote controls can be connected to one unit (or one group) of indoor unit. ⑴　...
Page 343 necessary at the wire connecting section. Be careful about contact failure. 　　Connect the terminals (X and Y) of the remote control and the terminals (X and Y) of the indoor unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm ×...
Page 344 “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while × 2 cores data is read) Then, the return air temperature is displayed. When AIR CON No. is pressed, return × 2 cores to the indoor unit selection display (example, “U 000”). ×...
Page 345 '17 • SCM-T-225 12.4 Interface kit (SC-BIKN2-E) RKZ012A099 Accessories included in package Safety precautions Before use, please read these Safety precautions thoroughly before installation. Be sure to check all the accessories included in package. ●All the cautionary items mentioned below are important safety related items to be taken into consideration, so be sure to observe them at all times.
Page 346 '17 • SCM-T-225 Installation of the interface ・Install the interface within the range of the connection cable length (approximately 1.3m) from the indoor unit. Wiring inlet ・Be sure not to extend the connection cable on site. If the connection cable is extended, malfunction may occur. ・Fix the interface on the wall, pillar or the like.
Page 347 '17 • SCM-T-225 Functions of CnT connector It is available to operate the air-conditioner and to monitor the operation status with the external control unit (remote display) by sending the input/output signal through CnT connector on the indoor control PCB. Note (1) 0.3mm 0.75mm ×2m...
Page 348 '17 • SCM-T-225 Connection of wired remote control Regarding the connection of wired remote control, refer to the installation manual of wired remote control. ①Switch ON the DIP switch SW2-2 (Factory setting : ON) on the interface PCB. DIP suitch Caution:Wireless remote control attached to the indoor unit can be used in parallel, after connecting the wired remote control.
Page 349 '17 • SCM-T-225 12.5 Superlink E board (SC-ADNA-E)
Page 350 '17 • SCM-T-225...
Page 351 '17 • SCM-T-225 12.6 Ceiling concealed type (SRR) option pats 12.6 Ceiling concealed type (SRR) option pats RJZ012A040 (1) Bottom air inlet kit This manual contains installation points for BOTTOM AIR INLET KIT manufactured by MHI. Carry out the work following the instructions below. Keep this manual properly with USER'S MANUAL provided with the indoor unit.
Page 352 '17 • SCM-T-225 (2) Remote sensor kit (SC-THB-E3) Sensor for return air temperature detection is located in the air inlet of the indoor unit. Use the remote sensor kit SC-THB-E3, and install it on the suitable wall so the temperature of the room can be accurately detected.
Page 353 '17 • SCM-T-225 (f) Cut wiring from 1 & 2 pins of CnG connector. (wiring length : about 100 mm from the connector) If the pre-installed return air temperature sensor ASSY is not removed, the end of the sensor wiring should prevent a short circuit by insulating tape etc.
Page 354 '17 • SCM-T-225 INSTALLATION INSTRUCTION OF OA SPACER FOR FDTC INDOOR UNIT 12.7 OA spacer (FDTC only) PJZ012D074 This manual describes the installation methods for OA spacer (TC-OAS-E) and the duct joint (TC-OAD-E). ◎This OA spacer is designed for assembling on the indoor unit (FDTC Series), not for be using independently. FDTCA151R, 201R, FDTCA22-56KXE4R, FDTC22-56KXE6 Application model FDTC22-56KXE6A, FDTC22-56KXE6B, FDTC22-56KXE6D...
Page 355 '17 • SCM-T-225 ② Prior study before installation (Usage limitation) (1) Temperature conditions for OA spacer ・ Adjust the temperature conditions of mixed air with outdoor air and indoor air within the usage range of suction air temperature for the air-conditioner. ・...
Page 356 '17 • SCM-T-225 ④ Installation of OA spacer on the indoor unit OA spacer can be installed regardless whether the indoor unit has already been hanged or not. (It is recommended to install before hanging the unit for convenience of installation.) 1-1.
Page 357 '17 • SCM-T-225 ⑤ Installation of indoor unit Work procedure 1. This units is designed for 2 x 2 grid ceiling. If necessary, please detach the T bar temporarily before you install it. If it is installed on a ceiling other than 2 x 2 grid ceiling, provide an inspection port on the control box side. 2.
Page 358 '17 • SCM-T-225 DUCT JOINT FOR FDTC 12.8 Duct joint (FDTC only) PJZ012D073 PJZ012D073 ● This product is used by assembling on the spacer (TC-OAS-E) 1.Before installation Conﬁrm the following parts are included: ● Insulation 1 Insulation 2 Duct joint Screw (120 ×...
Page 359 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 PJZ012D076 Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating Installation Points and Operating...
Page 360 '17 • SCM-T-225 3. Installation P oints 3. Installation points (1) Stick the insulation on both inner sides of the duct, leaving no space up and down. (Unit inside) BOTTOM Insulation Sticking standard position for insulation Duct (Unit outside) Duct Insu lation Insulation...
Page 361 Rated air flow(outdoor) m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 362 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 363 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 364 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 365 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 366 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 367 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 368 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 369 Rated air flow(outdoor) 3000 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 370 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 371 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 372 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 373 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 374 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 375 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 376 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 377 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 378 Rated air flow(outdoor) 3360 m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom RWC000Z304...
Page 379 MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. 16-5 Konan 2-chome, Minato-ku, Tokyo, 108-8215, Japan http://www.mhi-mth.co.jp/en/ Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

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Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual

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