Page 1 Manual No.'16•SCM-T-199 TECHNICAL MANUAL INVERTER MULTI-SPLIT SYSTEM RESIDENTIAL AIR-CONDITIONERS (Split system, air to air heat pump type) (OUTDOOR UNIT) SCM40ZS-S 45ZS-S 50ZS-S (INDOOR UNIT) Wall mounted type Floor standing type Ceiling concealed type SRK20ZMX-S SRF25ZMX-S SRR25ZM-S 25ZMX-S 35ZMX-S 35ZM-S 35ZMX-S...
Page 2: Table Of Contents
'16 • SCM-T-199 CONTENTS 1. OUTDOOR UNITS ..................1.1 Specifications ..................1.2 Exterior dimensions ................12 1.3 Electrical wiring ..................14 1.4 Noise level ....................16 1.5 Application data ..................18 2. INDOOR UNITS ..................... 22 2.1 Specifications ..................22 (1) Wall mounted type (SRK, SKM) .............
Page 3 ....119 3. PIPING SYSTEMS ..................124 4. RANGE OF USAGE & LIMITATIONS ............126 5. TABLE OF INDOOR UNIT COMBINATIONS ..........127 (1) Model SCM40ZS-S ................127 (2) Model SCM45ZS-S ................129 (3) Model SCM50ZS-S ................131 6. SELECTION CHARTS .................134 7. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ....135 7.1 SRK20-50ZMX-S, SRF and SRR series ..........135...
Page 4 '16 • SCM-T-199 (13) Determining the operating mode ............144 (14) Drain pump abnormalities detection (SRR series only) ......145 (15) Outline of dehumidifying (DRY) operation ..........145 (16) Outline of automatic operation ...............146 (17) Operation permission/prohibition control ..........146 (18) External control (remote display)/control of input signal .......147 (19) Hot keep operation ................148...
Page 5 '16 • SCM-T-199 (21) Heating high pressure control ..............160 (22) Heating overload protective control ............160 (23) Indoor fan motor protection ..............160 7.3 SKM series ....................161 7.3.1 Operation control function by wireless remote control ....161 7.3.2 Operation control function by indoor control .........162 (1) Unit ON/OFF button ................162...
Page 6 '16 • SCM-T-199 (10) Filter sign ....................179 (11) Compressor inching prevention control ..........179 (12) Drain pump control .................180 (13) Drain pump abnormalities detection ............180 (14) Operation check/drain pump test run operation mode ......180 (15) Cooling, dehumidifying frost protection ...........181 (16) Heating overload protection ..............181 (17) Anomalous fan motor ................182...
Page 7 '16 • SCM-T-199 7.5.3 Protective control function ...............191 (1) Cooling overload protective control ............191 (2) Cooling high pressure control ..............192 (3) Cooling low outdoor temperature protective control .......192 (4) Heating high pressure control ..............192 (5) Heating overload protective control ............193 (6) Heating low outdoor temperature protective control .......193 (7) Refrigeration cycle system protective control...
Page 8 10.6 Ceiling concealed type (SRR) option parts .........312 10.7 OA spacer (FDTC only) .................315 10.8 Duct joint (FDTC only) ................319 10.9 Filter kit (FDUM only) ................320 11. TECHNICAL INFORMATION ...............322 (1) Model SCM40ZS-S ...................322 (2) Model SCM45ZS-S ...................325 (3) Model SCM50ZS-S ...................328...
Page 9: Table Of Models
○ Ceiling suspended type (FDE) ○ Duct connected Low/Middle static ○ pressure type (FDUM) Outdoor unit to be combined (SCM) SCM40ZS-S, 45ZS-S, 50ZS-S How to read the model name ■ Outdoor unit Example: SCM 50 Z Series code Inverter type...
Page 10: Outdoor Units
'16 • SCM-T-199 1. OUTDOOR UNITS 1.1 Specifications Adapted to RoHS directive Model SCM40ZS-S Item 4000 (1500 (Min.) − 5900 (Max.)) Cooling capacity (1) 4500 (1300 (Min.) − 6300 (Max.)) Heating capacity (1) 1 Phase, 220 − 240V, 50Hz Power source 0.84 (0.59 −...
Page 11 '16 • SCM-T-199 Adapted to RoHS directive Model SCM45ZS-S Item 4500 (1500 (Min.) − 6400 (Max.)) Cooling capacity (1) 5300 (1300 (Min.) − 6500 (Max.)) Heating capacity (1) 1 Phase, 220 − 240V, 50Hz Power source 1.04 (0.59 − 2.30) Cooling Power consumption...
Page 12 '16 • SCM-T-199 Adapted to RoHS directive Model SCM50ZS-S Item 5000 (1800 (Min.) − 7100 (Max.)) Cooling capacity (1) 6000 (1400 (Min.) − 7500 (Max.)) Heating capacity (1) 1 Phase, 220 − 240V, 50Hz Power source 1.05 (0.60 − 2.15) Cooling Power consumption...
Page 13: Exterior Dimensions
'16 • SCM-T-199 1.2 Exterior dimensions Models SCM40ZS-S, 45ZS-S RWC000Z293...
Page 14 '16 • SCM-T-199 Model SCM50ZS-S RWC000Z296...
Page 15: Electrical Wiring
'16 • SCM-T-199 1.3 Electrical wiring Models SCM40ZS-S, 45ZS-S RWC000Z294...
Page 16 '16 • SCM-T-199 Model SCM50ZS-S RWC000Z295...
Page 17: Noise Level
'16 • SCM-T-199 1.4 Noise level Mike position: at highest noise level in position as mentioned below ● Distance from front side 1m. Model SCM40ZS-S Condition ISO-T1,JIS C 9612 Cooling 48 dB(A) Noise Level Heating 50 dB(A) × ..Cooling,...
Page 18 '16 • SCM-T-199 Model SCM50ZS-S Condition ISO-T1,JIS C 9612 Noise Cooling 49 dB(A) Level Heating 51 dB(A) × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz)
Page 19: Application Data
'16 • SCM-T-199 1.5 Application data RPC012A200 Models SCM40ZS-S, 45ZS-S, 50ZS-S Model SCM40,45,50,60 R410A REFRIGERANT USED • This installation manual deals with an outdoor unit installation only. For an indoor unit installation, refer to page 81. NOTE This model requires a minimum of 2 indoor units.
Page 20 '16 • SCM-T-199 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. Walls surrounding the unit from 4 sides is not acceptable.
Page 21 '16 • SCM-T-199 4. CONNECTING PIPING WORK 1. Restrictions on unit installation 3.2. Connecting pipes (1) Connect pipes on both liquid and gas sides. Abide by the following restrictions on unit installation. Improper installation can cause compressor failure or performance degradation. <SCM40/45>...
Page 22 '16 • SCM-T-199 5. ELECTRICAL WIRING WORK 2.Connecting cable <SCM40/45> (1) Remove the service cover and the terminal cover. (2) Connect the cables according to the instructions and figures given below. View of terminal block (a) Connect the earth wire of power source cable. An earth wire must be connected before connecting the other wires of power source cable. unit A unit B Keep the earth wire longer than the remaining two wires of power source cable.
Page 23: Indoor Units
'16 • SCM-T-199 2. INDOOR UNITS 2.1 Specifications (1) Wall mounted type (SRK, SKM) (a) Models SRK20, 25, 35, 50ZMX-S Adapted to RoHS directive Model SRK20ZMX-S Item 1 Phase, 220 − 240V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation data...
Page 24 '16 • SCM-T-199 Adapted to RoHS directive Model SRK25ZMX-S Item 1 Phase, 220 − 240V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation data Heating Cooling dB(A) Hi: 41 Me: 31 Lo: 25 ULo: 22 Sound pressure level Heating Hi: 41 Me: 34 Lo: 27 ULo: 21...
Page 25 '16 • SCM-T-199 Adapted to RoHS directive Model SRK35ZMX-S Item 1 Phase, 220 − 240V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation data Heating Cooling dB(A) Hi: 43 Me: 33 Lo: 25 ULo: 22 Sound pressure level Heating Hi: 42 Me: 35 Lo: 27 ULo: 22...
Page 26 '16 • SCM-T-199 Adapted to RoHS directive Model SRK50ZMX-S Item 1 Phase, 220 − 240V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation data Heating Cooling dB(A) Hi: 47 Me: 40 Lo: 27 ULo: 25 Sound pressure level Heating Hi: 48 Me: 40 Lo: 33 ULo: 26...
Page 27 '16 • SCM-T-199 (b) Models SRK20, 25, 35, 50ZS-S Adapted to RoHS directive Model SRK20ZS-S Item 1 Phase, 220 − 240V, 50Hz 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 Sound pressure level...
Page 28 '16 • SCM-T-199 Adapted to RoHS directive Model SRK25ZS-S Item 1 Phase, 220 − 240V, 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 29 '16 • SCM-T-199 Adapted to RoHS directive Model SRK35ZS-S Item 1 Phase, 220 − 240V, 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 30 '16 • SCM-T-199 Adapted to RoHS directive Model SRK50ZS-S Item 1 Phase, 220 − 240V, 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 31 '16 • SCM-T-199 (c) Models SKM20, 25, 35ZSP-S Adapted to RoHS directive Model SKM20ZSP-S Item 1 Phase, 220 − 240V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation data Heating Cooling dB(A) Hi: 42 Me: 35 Lo: 24 Sound pressure level Heating...
Page 32 '16 • SCM-T-199 Adapted to RoHS directive Model SKM25ZSP-S Item 1 Phase, 220 − 240V, 50Hz 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: 24 Sound pressure level Heating Hi: 41 Me: 35 Lo: 27...
Page 33 '16 • SCM-T-199 Adapted to RoHS directive Model SKM35ZSP-S Item 1 Phase, 220 − 240V, 50Hz Power source Nominal cooling capacity (range) Nominal heating capacity (range) Cooling Sound power level Operation data Heating Cooling dB(A) Hi: 44 Me: 37 Lo: 24 Sound pressure level Heating Hi: 42 Me: 37 Lo: 29...
Page 34: Floor Standing Type (Srf)
'16 • SCM-T-199 (2) Floor standing type (SRF) Adapted to RoHS directive Model SRF25ZMX-S Item 1 Phase, 220 − 240V, 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 35 '16 • SCM-T-199 Adapted to RoHS directive Model SRF35ZMX-S Item 1 Phase, 220 − 240V, 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: 33 ULo: 28 Sound pressure level Heating Hi: 41 Me: 36 Lo: 35 ULo: 31...
Page 36 '16 • SCM-T-199 Adapted to RoHS directive Model SRF50ZMX-S Item 1 Phase, 220 − 240V, 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 37: Ceiling Concealed Type (Srr)
'16 • SCM-T-199 (3) Ceiling concealed type (SRR) Model SRR25ZM-S Item 1 Phase, 220 − 240V, 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 38 '16 • SCM-T-199 Model SRR35ZM-S Item 1 Phase, 220 − 240V, 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 39 '16 • SCM-T-199 Model SRR50ZM-S Item 1 Phase, 220 − 240V, 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 40: Way Ceiling Cassette Type (Fdtc)
'16 • SCM-T-199 (4) 4way 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 Sound pressure level...
Page 41 '16 • SCM-T-199 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 42 '16 • SCM-T-199 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 43: Ceiling Suspended Type (Fde)
'16 • SCM-T-199 (5) Ceiling suspended type (FDE) Adapted to RoHS directive Model FDE50VG 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 : 36 Lo : 31 Exterior dimensions 210 ×...
Page 44: Duct Connected Low/Middle Static Pressure Type (Fdum)
'16 • SCM-T-199 (6) Duct connected Low/Middle static pressure type (FDUM) Adapted to RoHS directive Model FDUM50VF 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 : 37 Hi : 32 Me : 29 Lo : 26 Exterior dimensions 280 ×...
Page 45: Exterior Dimensions
'16 • SCM-T-199 2.2 Exterior dimensions (1) Wall mounted type (SRK, SKM) Models SRK20ZMX-S, 25ZMX-S, 35ZMX-S, 50ZMX-S RKY000Z058...
Page 46 '16 • SCM-T-199 Models SRK20ZS-S, 25ZS-S, 35ZS-S, 50ZS-S RLF000Z101...
Page 47 '16 • SCM-T-199 Models SKM20ZSP-S, 25ZSP-S, 35ZSP-S RLC000Z003...
Page 48: Floor Standing Type (Srf)
'16 • SCM-T-199 (2) Floor standing type (SRF) Models SRF25ZMX-S, 35ZMX-S, 50ZMX-S RFB000Z006...
Page 49: Ceiling Concealed Type (Srr)
'16 • SCM-T-199 (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 50 '16 • SCM-T-199 Model SRR50ZM-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 51: Way Ceiling Cassette Type (Fdtc)
'16 • SCM-T-199 (4) 4way ceiling cassette type (FDTC) Models FDTC25VF, 35VF, 50VF PJA003Z338...
Page 52: Ceiling Suspended Type (Fde)
'16 • SCM-T-199 (5) Ceiling suspended type (FDE) Model FDE50VG PFA004Z025...
Page 53 '16 • SCM-T-199 (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 (M10) Suspension bolts （Accessory）...
Page 54: Remote Control
'16 • SCM-T-199 (7) Remote control (a) Wireless remote control Models SRK, SRF, SRR Model SKM The wireiess remote controller in the following (Typical example) figure shows for the SRK-ZJ-S type. Unit: m 17.3 17.3 17.3 Models FDTC, FDE, FDUM (Option parts)
Page 55 '16 • SCM-T-199 (b) Wired remote control (Option parts) Interface kit (SC-BIKN-E) is required to use the wired remote control. (Models SRK, SKM, SRF and SRR only) Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, Exposed mounting and grind burrs with a file etc.
Page 56 '16 • SCM-T-199 Model RC-EX1A Installation space Installation space Exterior appearance Exterior appearance Pearl white Pearl white (Munsell color) (Munsell color) (N8.5) near equivalent (N8.5) near equivalent R/C cable：0.3mm R/C cable：0.3mm × 2 core × 2 core RoHS RoHS Adapted to Adapted to directive directive...
Page 57: Electrical Wiring
'16 • SCM-T-199 2.3 Electrical wiring (1) Wall mounted type (SRK, SKM) Models SRK20ZMX-S, 25ZMX-S, 35ZMX-S, 50ZMX-S RWA000Z258...
Page 58 '16 • SCM-T-199 Models SRK20ZS-S, 25ZS-S, 35ZS-S, 50ZS-S RWA000Z410...
Page 59 '16 • SCM-T-199 Models SKM20ZSP-S, 25ZSP-S, 35ZSP-S RWA000Z268...
Page 60: Floor Standing Type (Srf)
'16 • SCM-T-199 (2) Floor standing type (SRF) Models SRF25ZMX-S, 35ZMX-S, 50ZMX-S RWB000Z057...
Page 61: Ceiling Concealed Type (Srr)
'16 • SCM-T-199 (3) Ceiling concealed type (SRR) Models SRR25ZM-S, 35ZM-S, 50ZM-S RJJ000Z003...
Page 62: Way Ceiling Cassette Type (Fdtc)
'16 • SCM-T-199 (4) 4way ceiling cassette type (FDTC) Models FDTC25VF, 35VF, 50VF PJA003Z340...
Page 63: Ceiling Suspended Type (Fde)
'16 • SCM-T-199 (5) Ceiling suspended type (FDE) Model FDE50VG PFA004Z028...
Page 64: Duct Connected Low/Middle Static Pressure Type (Fdum)
'16 • SCM-T-199 (6) Duct connected Low/Middle static pressure type (FDUM) Model FDUM50VF PJG000Z005...
Page 65: Noise Level
'16 • SCM-T-199 2.4 Noise level (1) Wall mounted type (SRK, SKM) Condition ISO-T1,JIS C 9612 Model SRK20ZMX-S Mike position Noise Cooling 39 dB(A) Level Heating 38 dB(A) 0.8m Unit Mike position (Front & low points) × ..Cooling, Heating N 70 N 60 Mike position: at highest noise level in position as mentione...
Page 66 '16 • SCM-T-199 Model SRK35ZMX-S Condition ISO-T1,JIS C 9612 Mike position Noise Cooling 43 dB(A) Level Heating 42 dB(A) 0.8m Unit Mike position (Front & low points) × ..Cooling, Heating N 70 N 60 Mike position: at highest noise level in position as mentione Distance from front side 1m N 50 N 40...
Page 67 '09•SRK-DB-087D '16 • SCM-T-199 Model SRK20ZS-S Condition ISO5151 T1/H1 Cooling 34 dB(A) Noise Mike position Level Heating 36 dB(A) 0.8m Unit Mike position (Center & low points) × ..Cooling Heating Mike position: at highest noise level in position as mentione Distance from front side 1m '09•SRK-DB-087D 1000...
Page 68 '09•SRK-DB-087D '16 • SCM-T-199 Model SRK35ZS-S Condition ISO5151 T1/H1 Cooling 40 dB(A) Mike position Noise Level 41 dB(A) Heating 0.8m Unit Mike position (Center & low points) × ..Cooling Heating Mike position: at highest noise level in position as mentione Distance from front side 1m 1000 2000...
Page 69 '16 • SCM-T-199 Model SKM20ZSP-S Condition ISO5151 T1/H1 Mike position Noise Cooling 42 dB(A) Level Heating 41 dB(A) 0.8m Unit Mike position (Front & low points) × ..Cooling Heating Mike position: at highest noise level in position as menti Distance from front side 1m 1000 2000...
Page 70 '16 • SCM-T-199 Model SKM35ZSP-S Condition ISO5151 T1/H1 Mike position Noise Cooling 44 dB(A) Level Heating 42 dB(A) 0.8m Unit Mike position (Front & low points) × ..Cooling Heating Mike position: at highest noise level in position as menti Distance from front side 1m 1000 2000...
Page 71: Floor Standing Type (Srf)
'16 • SCM-T-199 (2) Floor standing type (SRF) Model SRF25ZMX-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) Model SRF35ZMX-S Condition ISO-T1, JIS C 9612 Cooling...
Page 72: Ceiling Concealed Type (Srr)
'16 • SCM-T-199 Model SRF50ZMX-S Condition ISO-T1, JIS C 9612 Cooling 46 dB(A) Noise Mike position ● Level Heating 47 dB(A) Mike position Unit (Front points) 1000 2000 4000 8000 Mid octave band frequency (Hz) (3) Ceiling concealed type (SRR) Condition ISO5151-T1, JIS C 9612 Model SRR25ZM-S...
Page 73 Mike position ● '16 • SCM-T-199 Unit 1.5m ・Sound pressure level ② Condition ISO5151-T1, JIS C 9612 Mike position ● Cooling 31 dB(A) Noise Level Heating 32 dB(A) Unit Supply duct Return duct 1.5m External staic pressure : 10Pa × ..Cooling, Heating Mike position ●...
Page 74 '16 • SCM-T-199 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 75 Mike position ● '16 • SCM-T-199 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 76 Mike position ● '16 • SCM-T-199 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 77: Way Ceiling Cassette Type (Fdtc)
'16 • SCM-T-199 (4) 4way ceiling cassette type (FDTC) Condition ISO-T1, JIS C 9612 Model FDTC25VF Mike position ● Noise Cooling 38 dB(A) Level Heating 39 dB(A) 1.5m Mike position (Center & below unit) × ..Cooling, Heating 1000 2000 4000 8000 Mid octave band frequency (Hz)
Page 78: Ceiling Suspended Type (Fde)
'16 • SCM-T-199 Model FDTC50VF Condition ISO-T1, JIS B 8616 Mike position Cooling 47 dB(A) 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 (FDE) Condition ISO-T1, JIS B 8616 Model FDE50VG...
Page 79: Duct Connected Low/Middle Static Pressure Type (Fdum)
'16 • SCM-T-199 (6) Duct connected Low/Middle static pressure type (FDUM) Model FDUM50VF Noise Cooling 37 dB(A) Condition ISO-T1, JIS B 8616 Level Heating 37 dB(A) Mike position ● Return duct Supply duct 1.5m Mike position (Center & below unit) ×...
Page 80: Characteristics Of Fan
'16 • SCM-T-199 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 81 '16 • SCM-T-199 (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.
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Page 110: Way Ceiling Cassette Type (Fdtc)
'16 • SCM-T-199 PJA012D786 (4) 4way ceiling cassette type (FDTC) ① INSTALLATION MANUAL FOR CEILING CASSETTE PJA012D786B PJA012D781 – 4 WAY COMPACT (600 x 600mm) –  Install  Conﬁr  Un This manual is for the installation of an indoor unit. This manual is for the installation of an indoor unit.
Page 111 '16 • SCM-T-199 2D786 ① ③ Before installation Preparation before installation D781  Install correctly according to the installation manual.  If suspension bolt becomes longer, do reinforcement of earthquake resistant.  Conﬁrm the following points:  For grid ceiling ...
Page 112 '16 • SCM-T-199 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 113 '16 • SCM-T-199 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 114 '16 • SCM-T-199 PJA012D783 source...
Page 115 '16 • SCM-T-199 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 116: Ceiling Suspended Type (Fde)
'16 • SCM-T-199 INSTALLATION MANUAL FOR CEILING SUSPENDED PFA012D628 TYPE (FDE) (5) Ceiling suspended type (FDE) ①Be ①Be This manual is for the installation of an indoor unit. Install c CAUTION For remote control installation, refer to page 278. For wireless kit installation, refer Con rm to page 294.
Page 117 '16 • SCM-T-199 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 118 '16 • SCM-T-199 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 119 '16 • SCM-T-199 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 120: Duct Connected Low/Middle Static Pressure Type (Fdum)
'16 • SCM-T-199 (6) Duct connected Low / Middle static pressure type (FDUM) (a) Indoor unit PJG012D008C DUCT CONNECTED MIDDLE STATIC PRESSURE AIR 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 278.
Page 121 '16 • SCM-T-199 ○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 122 '16 • SCM-T-199 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 123 '16 • SCM-T-199 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 124 '16 • SCM-T-199 (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 120. (i) Remove the control box and the side panel, and remove the screws marked in the circles (2 places) in the ﬁgure.
Page 125: Piping Systems
'16 • SCM-T-199 3. PIPING SYSTEMS Models SCM40ZS-S, 45ZS-S...
Page 126 '16 • SCM-T-199 Model SCM50ZS-S...
Page 127: Range Of Usage & Limitations
'16 • SCM-T-199 4. RANGE OF USAGE & LIMITATIONS Model SCM40ZS-S SCM45ZS-S SCM50ZS-S Item Cooling Approximately 18 to 32℃ Indoor intake air temperature (Upper, lower limits) Heating Approximately 15 to 30℃ Cooling Approximately -15 to 43℃ Outdoor air temperature (Upper, lower limits) Heating Approximately -15 to 24℃...
Page 128: Table Of Indoor Unit Combinations
If units are to be combined, use the table below to make the proper selection. ● ・Number of connectable indoor units SCM40ZS-S,45ZS-S SCM50ZS-S (1) Model SCM40ZS-S (a) Indoor unit SRK ZMX-S models only <Cooling> Cooling capacity (kW) Power consumption (W)
Page 129 '16 • SCM-T-199 <Heating> <Heating> <Heating> <Heating> Heating capacity (kW) Heating capacity (kW) Heating capacity (kW) Power consumption (W) Power consumption (W) Power consumption (W) Standard current (A) Standard current (A) Standard current (A) Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit...
Page 130: Model Scm45Zs-S
'16 • SCM-T-199 (2) Model SCM45ZS-S (2) Model SCM45ZS-S (2) Model SCM45ZS-S (2) Model SCM45ZS-S (2) Model SCM45ZS-S (a) Indoor unit SRK＊＊ ZMX-S models only (a) Indoor unit SRK＊＊ ZMX-S models only (a) Indoor unit SRK＊＊ ZMX-S models only (a) Indoor unit SRK＊＊ ZMX-S models only (a) Indoor unit SRK ZMX-S models only <Cooling>...
Page 131 '16 • SCM-T-199 (c) Indoor unit except SRK＊＊ ZMX-S and SKM＊＊ ZSP-S models (c) Indoor unit except SRK＊＊ ZMX-S and SKM＊＊ ZSP-S models (c) Indoor unit except SRK ZMX-S and SKM ZSP-S models <Cooling> <Cooling> <Cooling> Cooling capacity (kW) Cooling capacity (kW) Power consumption (W) Power consumption (W) Standard current (A)
Page 132: Model Scm50Zs-S
'16 • SCM-T-199 (3) Model SCM50ZS-S (3) Model SCM50ZS-S (3) Model SCM50ZS-S (a) Indoor unit SRK＊＊ ZMX-S models only (a) Indoor unit SRK＊＊ ZMX-S models only (a) Indoor unit SRK ZMX-S models only <Cooling> <Cooling> <Cooling> Cooling capacity (kW) Cooling capacity (kW) Power consumption (W) Power consumption (W) Standard current (A)
Page 133 (b) Indoor unit SKM＊＊ ZSP-S models only '16 • SCM-T-199 <Cooling> Cooling capacity (kW) Power consumption (W) Standard current (A) Indoor unit Indoor unit capacity (kW) Total capacity (kW) (b) Indoor unit SKM＊＊ ZSP-S models only (b) Indoor unit SKM ZSP-S models only combination Min.
Page 134 '16 • SCM-T-199 (c) Indoor unit except SRK＊＊ ZMX-S and SKM＊＊ ZSP-S models (c) Indoor unit except SRK＊＊ ZMX-S and SKM＊＊ ZSP-S models (c) Indoor unit except SRK ZMX-S and SKM ZSP-S models <Cooling> <Cooling> <Cooling> Cooling capacity (kW) Cooling capacity (kW) Power consumption (W) Power consumption (W) Standard current (A)
Page 135: Selection Charts
'16 • SCM-T-199 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 136: Outline Of Operation Control By Microcomputer
'16 • SCM-T-199 7. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 7.1 SRK20-50ZMX-S, SRF and SRR series 7.1.1 Operation control function by wireless remote control (1) SRK series Operation section Transmission section OPERATION MODE select button ON/OFF (luminous) button Each time the button is pressed, the mode changes.
Page 137 '16 • SCM-T-199 (2) SRF,SRR series 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. TEMPERATURE button FAN SPEED button This button sets the room temperature. Each time the button is pressed, the fan speed changes.
Page 138: Operation Control Function By Indoor Control
'16 • SCM-T-199 Models SRR25, 35, 50ZM-S RUN (HOT KEEP) light (green) • Illuminates during operation. Blinks when airflow 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/ off the unit when a wireless remote control is not available.
Page 139: Auto Restart Function
'16 • SCM-T-199 (2) Auto restart function Auto restart function records the operational status of the air-conditioner immediately prior to be switched off by a power cut, and then automatically resumes operations after the power has been restored. The following settings will be cancelled: Timer settings (ii) HIGH POWER operations...
Page 140: Selection Of The Annual Cooling Function
'16 • SCM-T-199 (4) Selection of the annual cooling function (a) The annual cooling function can be enabled or disabled by means of the jumper wire (J172 or JA3) on the indoor unit PCB and the dip switch (SW2-4) on the interface kit (option) PCB. Interface kit Jumper wire (SC-BIKN-E)
Page 141: Economy Operation
'16 • SCM-T-199 (6) 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.
Page 142 '16 • SCM-T-199 Swing (ii) Swing louver Swing flap Louver moves in left and right directions continuously. Flap moves in upward and downward directions continuously. In COOL, DRY, FAN operation Approx.5° Approx. 60° Memory flap (Flap or louver stopped) When you press the AIR FLOW (UP/DOWN or LEFT/RIGHT) button once while the flap or louver is operating, it stops swinging at the position.
Page 143: Air Outlet Selection (Srf Series Only)
'16 • SCM-T-199 Air outlet selection (SRF series only) AIR SELECTION button can switch between the combination of upper and lower air outlets and upper air outlet. Not operable while the air-conditioner is OFF. Each time the AIR SELECTION button is pressed. The combination of the upper and lower air outlets and the upper air outlet can be switched.
Page 144: Timer Operation
'16 • SCM-T-199 (ii) Air flow direction is controlled according to the room temperature and setting temperature. When 3D auto operation starts Cooling Heating Flap Up/down swing Louver Wide (fixed) Center (fixed) When Room temp. – Setting temp. is 5ºC during cooling and when setting temp. – Room temp. is 5ºC during <...
Page 145: Installation Location Setting (Srk Series Only)
'16 • SCM-T-199 (12) Installation location setting (SRK series only) When the indoor unit is installed at the end of a room, control the air flow direction so that it is not toward the side walls. If you set the wireless remote control installation position, keep it so that the air flow is within the range shown in the following figure. Setting If the air-conditioning unit is running, press the ON/OFF button to stop.
Page 146: Drain Pump Abnormalities Detection (Srr Series Only)
'16 • SCM-T-199 (14) Drain pump abnormalities detection (SRR series only) Drain motor (DM) is operated during the cooling or dehumidifying mode operations and simultaneously wity the compres- sor ON. The DM continues to operate for 5 minutes after the operation stop, anomalous stop, thermostat stop or when it was switched from the COOL and DRY operations to the fan or HEAT operation.
Page 147: Outline Of Automatic Operation
'16 • SCM-T-199 (16) Outline of automatic operation (ii) SRK20, 25, 35, 50ZM-S, 71ZM-S series (a) Determination of operation mode Cooling 27.5 25.5 Dehumidifying Indoor air temperature (˚C) 18.0 Heating Outdoor air temperature (˚C) (i) (ii) on the (iii) Signals of wireless remote control (Display) ±0 –6...
Page 148: External Control (Remote Display)/Control Of Input Signal
'16 • SCM-T-199 (b) In the case of CnT input ON (Operation permission) The air-conditioner can be operated or stopped by the wired remote control signal. (When the "CENTER" mode is set, the operation can be controlled only by the center input.) (ii) When the CnT input is changed from OFF to ON, the air-conditioner operation mode is changed depending on the status of the jumper wire (J1) on the indoor control board.
Page 149: Hot Keep Operation
'16 • SCM-T-199 (ii) Pulse input When Jumper wire J1 on the PCB of indoor unit is cut at the field or “PULSE INPUT” is selected in the wired remote control’s indoor unit settings. Input signal to CnT becomes valid at OFF → ON only and the motion of air-conditioner [ON/OFF] is inverted. CnT input Unit (Case A)
Page 150: Heating Overload Protective Control
'16 • SCM-T-199 (22) Heating overload protective control (a) Operating conditions Tho-A (12) Current cut (a) Purpose: (b) Detail of operation (b) Detail of operation: Fan speed Upper limit Model (13) Outdoor unit failure SRK20-35ZMX-S SRK50ZMX-S SRF25-50ZMX-S SRR25-50ZM-S (c) Reset condition (Model SCM40, 45, 50, 60, 71, 80 only) Tho-A compressor command...
Page 151: Srk20-50Zs-S Series
'16 • SCM-T-199 7.2 SRK20-50ZS-S series 7.2.1 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 152: Operation Control Function By Indoor Control
'16 • SCM-T-199 '09•SRK-DB-087D '09•SRK-DB-087D 7.2.2 Operation control function by indoor control (1) Unit ON/OFF button (2) Unit ON/OFF button wireless wireless (a) Operation (a) Operation (b) Details of operation (b) Details of operation room whether to go into the COOL, DRY or HEAT modes. Function Room temperature Fan speed Flap/Louver Timer switch...
Page 153: Selection Of The Annual Cooling Function
'16 • SCM-T-199 J1 用 J3 用 (4) Selection of the annual cooling function Jumper wire (J1) Jumper wire (J3) (a) The annual cooling function can be enabled or disabled by means of the jumper wire (J3) on the indoor unit PCB and the dip switch (SW2-4) on the interface kit (option) PCB.
Page 154: Economy Operation
'16 • SCM-T-199 (7) 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 155: D Auto Operation
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° '16 • SCM-T-199 Left approx. 20° Center Right approx.
Page 156: Timer Operation
Cooling Heating '16 • SCM-T-199 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 157: Display Brightness Adjustment
(Center installation) (Right end installation) (Left end installation) '16 • SCM-T-199 Air flow range Air flow range Air flow range (Left end installation) (Center installation) (Right end installation) (iv) Press the ON/OFF button. (13) Display brightness adjustment This function can be used when it is necessary to adjust the brightness of unit display. Brightness level Run light Timer light...
Page 158: Outline Of Dehumidifying (Dry) Operation
'16 • SCM-T-199 '09•SRK-DB-087D (15)　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 159: Operation Permission/Prohibition Control
'16 • SCM-T-199 (17) Operation permission/prohibition control The air-conditioner operation is controlled by releasing the jumper wire (J3) on the indoor PCB and inputting the external sig- nal into the CnT. Note (1) Please install the separately-sold interface kit (SC-BIKN-E). Remove the jumper wire (J1 or J3) from the interface kit circuit board. (a) The operation mode is switched over between permission and prohibition by releasing the jumper wire (J3) on the indoor PCB.
Page 160: Hot Keep Operation
'16 • SCM-T-199 Level input If the factory settings (Jumper wire J1 external input on the PCB of indoor unit) are set, or “LEVEL INPUT” is se- lected in the wired remote control’s indoor unit settings. 1) Input signal to CnT OFF → ON Air-conditioner ON 2) Input signal to CnT ON →...
Page 161: Heating High Pressure Control
'16 • SCM-T-199 (21) Heating high pressure control (a) Starting condition When the indoor heat exchanger temperature (Th2) has become higher than the start temperature for 1 minute continuously. (b) Contents of control Compressor stop Item Room Release temperature Start temperature temperature (Th1) Th1 <...
Page 162: Skm Series
'16 • SCM-T-199 7.3 SKM series 7.3.1 Operation control function by wireless remote control Operation section FAN SPEED button OPERATION MODE select button ON/OFF (luminous) button HI POWER/ECONO button AIR FLOW (UP/DOWN) button TEMPERATURE button ON TIMER button SLEEP button OFF TIMER button ACL switch CLEAN switch...
Page 163: Operation Control Function By Indoor Control
'16 • SCM-T-199 7.3.2 Operation control function by indoor control (1) Unit ON/OFF button When the wireless remote control batteries become weak, or if the wireless remote control is lost or malfunctioning, this button may be used to turn the unit on and off. (a) Operation Push the button once to place the unit in the automatic mode.
Page 164: High Power Operation
'16 • SCM-T-199 (4) High power operation Pressing the HI POWER/ECONOMY button intensifies the operating power and initiates powerful cooling and heating operation for 15 minutes continuously. The wireless remote control displays and the FAN SPEED display disappears. (a) During the HIGH POWER operation, the room temperature is not controlled. When it causes an excessive cooling and heating, press the HI POWER/ECONOMY button again to cancel the HIGH POWER operation.
Page 165: Timer Operation
'16 • SCM-T-199 (b) Swing Flap moves in upward and downward directions continuously. S In COOL, DRY operation S In HEAT operation Approx. 20° Approx. 35° Approx. 59° Approx. 65° (c) Memory flap When you press the AIR FLOW (UP/DOWN) button once while the flap is operating, it stops swinging at an angle. Since this angle is memorized in the microcomputer, the flap will automatically be set at this angle when the next operation is started.
Page 166: Outline Of Dehumidifying (Dry) Operation
'16 • SCM-T-199 (9) Outline of dehumidifying (DRY) operation (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. (b) Outline of control (i) Indoor unit fan speed and compressor are controlled by the area which is selected by the temperature difference.
Page 167: Hot Keep Operation
'16 • SCM-T-199 (11) Hot keep operation If the hot keep operation is selected during the heating operation, the indoor fan is controlled based on the temperature of the indoor heat exchanger (Th2) to prevent blowing of cool wind. However, if the fan speed setting is HI and room temperature is 19°C or higher, this control is not executed. (12) Frost prevention control (a) Operating conditions (ii)
Page 168: Fdtc, Fde And Fdum Series
'16 • SCM-T-199 7.4 FDTC, FDE and FDUM series 7.4.1 Remote control (Option parts) (1) 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 169 '16 • SCM-T-199 Model RC-EX1A All icons are shown for the sake of explanation. ⑦ Clock, R/C name display ⑤ LCD display (With backlight) A tap on the LCD lights the backlight. Displays the current time and The backlight turns off automatically if there is no the name of R/C operation for certain period of time.
Page 170 '16 • SCM-T-199 (2) Wireless remote control Indication section Indicates set temperature. Indicates the status of swing louver. Indicates selected operation with Indicates the selected airflow volume Indicates for two seconds when FILTER button is pressed. Indicates when ON-TIMER is set. Indicates when OFF-TIMER is set.
Page 171: Operation Control Function By The Wired Remote Control
'16 • SCM-T-199 7.4.2 Operation control function by the wired remote control •Model RC-E5 Switching sequence of the operation mode switches of remote control COOL HEAT AUTO [CPU reset] This functions when “CHECK” and “GRILL” buttons on the remote control are pressed simultaneously. Operation is same as that of the power source reset.
Page 172 '16 • SCM-T-199 •Model RC-EX1A (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 173 '16 • SCM-T-199 ● Since the status of remote control is retained in memory always, it restarts operations according to the contents of memory as soon as the power source is restored. Although the timer mode is cancelled, the weekly timer, peak cut timer and silent mode timer operate according to the following contents: •...
Page 174: Operation Control Function By The Indoor Control
'16 • SCM-T-199 7.4.3 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 175: Operations Of Functional Items During Cooling/Heating
'16 • SCM-T-199 (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 176: Timer Operation
'16 • SCM-T-199 Timer operation (a) RC-EX1A 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 177: Remote Control Display During The Operation Stop
'16 • SCM-T-199 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 178: Auto Swing Control
'16 • SCM-T-199 Auto swing control (a) RC-EX1A Louver control To operate the swing louver when the air-conditioner is operating, press the “Direction” button on the TOP screen of remote control. The wind direction select screen will be displayed. To swing the louver, touch the “Auto swing” button. The lover will move up and down. To fix the swing louver at a position, touch one of [1] - [4] buttons.
Page 179: Thermostat Operation
'16 • SCM-T-199 Thermostat operation (a) Cooling (i) Thermostat is operated with the room temperature control. (ii) Thermostat is turned ON or OFF relative to the setting room temperature as shown below. Thermostat ON Temperature drop Thermostat OFF Temperature rise Setting room temperature (iii) Thermostat is turned ON when the room temperature is in the range of -1 <...
Page 180: Filter Sign
'16 • SCM-T-199 (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 181: Drain Pump Control
'16 • SCM-T-199 (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 182: Cooling, Dehumidifying Frost Protection
'16 • SCM-T-199 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 183: Anomalous Fan Motor
'16 • SCM-T-199 (17) Anomalous fan motor After starting the fan motor, if the fan motor speed is 200min 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 -50min less than the required speed, it stops with the anomalous stop (E20).
Page 184: Abnormal Temperature Thermistor (Return Air/Indoor Heat Exchanger) Wire/Short-Circuit Detection
'16 • SCM-T-199 (20) Abnormal temperature thermistor (return air/indoor heat exchanger) wire/short-circuit detection Broken wire detection When the return air temperature thermistor detects -50°C or lower or the heat exchanger temperature thermistor detect -50°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 185 '16 • SCM-T-199 In case of “Level input” setting (Factory default) Input signal to CnT-6 or CnTA is OFF→ON …… unit ON Input signal to CnT-6 or CnTA is ON→OFF …… unit OFF Operation is not inverted. CnT-6 or CnTA input CnT-6 or CnTA input Unit A Unit A...
Page 186: Operation Permission/Prohibition
'16 • SCM-T-199 (22) Operation permission/prohibition (In case of adopting card key switches or commercially available timers) When the indoor function setting of wired remote control for “Operation permission/prohibition” is changed from “Invalid (Factory default)” to “ Valid”, following control becomes effective. ・...
Page 187: Selection Of Cooling/Heating External Input Function
'16 • SCM-T-199 (b) In case of CnT ③ Operation permission/prohibition level + CnTA ③ Operation permission/prohibition level Operation permission Operation permission Operation Operation permission permission prohibition setting Operation CnTA Operation permission permission Operation Operation permission/ permission prohibition setting Operation Operation permission permission Operation permission/...
Page 188: Room Temperature Detection Temperature Compensation During Heating
'16 • SCM-T-199 (d) If the cooling/heating selection signal is given by the external input, the operation mode is transmitted to the remote control. ■ Selection of cooling/heating external input function External input selection External input method Operation External terminal input (CnT or CnTA) Cooling zone Heating zone...
Page 189: Home Leave Mode (Rc-Ex1A Only)
'16 • SCM-T-199 (29) Home leave mode (RC-EX1A only) When the unit is not used for a long period of time, the room temperature is maintained at a moderate leval, avoiding extremely hot or cool temperature. Cooling or heating is operated according to the outdoor temperature (factory setting 35°C for cooling, 0°C for heating) and the setting temperature.
Page 190: Outdoor Units
'16 • SCM-T-199 7.5 Outdoor units 7.5.1 Outline of heating operation (1) Summary (a) Capacity control (i) Indoor unit SRK ** ZMX-S models only Model SCM40ZS-S SCM45ZS-S SCM50ZS-S Capacity (ii) Indoor unit SKM**ZSP-S models only Model SCM40ZS-S SCM45ZS-S SCM50ZS-S 1.3 — 6.1 kW 1.3 —...
Page 191: Outline Of Cooling Operation
※ Depends on an operation condition, the time can be longer than 7 minutes. 7.5.2 Outline of cooling operation (1) Summary (a) Capacity control (i) Indoor unit SRK ** ZMX-S models only Model SCM40ZS-S SCM45ZS-S SCM50ZS-S Capacity (ii) Indoor unit SKM ** ZSP-S models only Model...
Page 192: Operation Of Major Functional Components In Cooling Mode
'16 • SCM-T-199 (b) Outdoor compressor speed control Indoor compressor total speed value Decision speed Model SCM40ZS-S SCM45ZS-S SCM50ZS-S (2) Operation of major functional components in cooling mode Operation Thermostat OFF Thermostat OFF Fan, stop, abnormal stop Failure Functional Cooling...
Page 193: Cooling High Pressure Control
thermostat OFF, the speed is reduced to 0 rps. (c) Reset conditions '16 • SCM-T-199 (ii) (2) Cooling high pressure control (a) Purpose (b) Detector Tho-R (c) Detail of operation After lapse of 30 sec. or over 8rps (Example) Fuzzy 8rps After lapse of 30 sec.
Page 194: Heating Overload Protective Control
'16 • SCM-T-199 (5) Heating overload protective control (a) Operating conditions model SCM40, 45:10 Tho-A (b) Detail of operation A, C or E (ii) B, D or F B, D or F when the thermostat OFF, the speed is (iii) D or F.
Page 195: Refrigeration Cycle System Protective Control
'16 • SCM-T-199 (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 196: Current Safe
Notes (1) Tho-D(X): After compressor operation, the discharge pipe temperature sensor after X minutes. (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 SCM40ZS-S SCM45ZS-S SCM50ZS-S...
Page 197: Regulation Of Outdoor Air Flow
'16 • SCM-T-199 (15) Regulation of outdoor air flow NModels SCM40, 45 Cooling Heating More than 30 More than 30 Compressor speed (rps) Less than 30 40 or more Less than 30 56 or more but 40 or less but 56 or less Outdoor fan speed 4th speed 5th speed...
Page 198 Lower Lower limit speed Lower limit speed '16 • SCM-T-199 Outdoor air temperature > 16˚C Outdoor air temperature > 16˚C Outdoor air temperature < = 16˚C Outdoor air temperature < = 16˚C Tho-R 1.50MPa High pressure sensor (HPS) 2.72MPa high pressure sensor 1.50MPa - 2.72 MPa, temperature Tho-R...
Page 199: Maintenance Data
'16 • SCM-T-199 8. MAINTENANCE DATA 8.1 SRK, SKM, 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 200: Scm-T
'16 • SCM-T-199 (4) Troubleshooting procedure (If the air-conditioner runs) 200. 201−207. 201−207.
Page 201: Self-Diagnosis Table
'16 • SCM-T-199 (5) Self-diagnosis table Wired Outdoor Indoor unit display panel remote Description 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 202: Service Mode (Trouble Mode Access Function)
'16 • SCM-T-199 (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 203 '09•SRK-DB-087D '16 • SCM-T-199 4-time flash 2-time flash. wireless mode mode Self-diagnosis data 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 204 '09•SRK-DB-087D '16 • SCM-T-199 (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 205 '16 • SCM-T-199 (c) Error code, stop code table Number of flashes when in service mode Stop coad Error Auto TIMER Error content Cause Occurrence conditions display recovery light light Error coad (10's digit) (1's digit) Normal The wired remote control wire Y is open. The wired remote Error of wired remote control Broken wired remote control wire, control wires X and Y are reversely connected.
Page 206 '09•SRK-DB-087D '16 • SCM-T-199 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 207 '09•SRK-DB-087D '16 • SCM-T-199 (e) Temperatare 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 208 '09•SRK-DB-087D '16 • SCM-T-199 (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 209 '09•SRK-DB-087D '16 • SCM-T-199 Service data record form Wireless r Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless Refer 202)
Page 210: Inspection Procedures Corresponding To Detail Of Trouble
'16 • SCM-T-199 (7) Inspection procedures corresponding to detail of trouble Sensor error Broken sensor wire, connector poor connection Discharge pipe and power transistor sensor Sensor temperature characteristics Room temp., indoor heat exchanger temp., out- temperature characteristics door heat exchanger temp., outdoor air temp.
Page 211: Current Cut
'16 • SCM-T-199 Limit switch anomaly (SRK20, 25, 35, 50ZMX-S 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 212 '16 • SCM-T-199 Over heat of compressor Gas shortage, defective discharge pipe sensor 209) 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 213 '16 • SCM-T-199 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 − − − ◆ main operation − Notes (1) Check coil wire resistance, see page 210.
Page 214 '16 • SCM-T-199 Rotor lock Defective compressor, defective outdoor PCB main See page 210. 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. Inspect float switch. Is the drain piping clogged or at the wrong gradient? Is there output for drain motor driver?
Page 215: Phenomenon Observed After Shortcircuit, Wire Breakage On Sensor
'16 • SCM-T-199 (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 216: Checking The Indoor Electrical Equipment
Cooling Heat exchanger sensor Heating Defrosting is performed for 10 minutes at approx. 40 minutes. Cooling Ourdoor air '16 • SCM-T-199 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 217: How To Make Sure Of Wireless Remote Control
Operation SW ON Measure in this section '16 • SCM-T-199 (10) How to make sure of wireless remote control wireless wireless wireless wireless wireless wireless Simplified check method 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 218: Outdoor Unit Inspection Points
'16 • SCM-T-199 (12)　Outdoor unit inspection points Models SCM40ZS-S,45ZS-S Color marks ◆Power source and serial signal inspection CAUTION- HIGH VOLTAGE Mark Color ① to ②: AC220/230/240V Black High voltage is produced in the control box. Don't touch ② to ③ : Normal if the voltage oscillates between electrical parts in the control box for 5 minutes after the unit is stopped.
Page 219 '16 • SCM-T-199 Color marks Model SCM50ZS-S Mark Color Black Blue ◆Power source and serial signal inspection CAUTION- HIGH VOLTAGE ① to ②: AC220/230/240V White High voltage is produced in the control box. Don't touch Orange ② to ③ : Normal if the voltage oscillates between electrical parts in the control box for 5 minutes after the Brown unit is stopped.
Page 220 '16 • SCM-T-199 (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 fan motor check procedure main (i) Outdoor main PCB output check ...
Page 221: Fdtc, Fde And Fdum Series
'16 • SCM-T-199 8.2 FDTC, 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 222 '16 • SCM-T-199 (ii) Outdoor unit 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 LED (2) Installation, operation status • Higher outdoor heat exchanger temperature Repair Replacement, repair Outdoor heat exchanger...
Page 223 '16 • SCM-T-199 (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 224: Troubleshooting Procedure
'16 • SCM-T-199 ■ 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 225 '16 • SCM-T-199 (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 226 '16 • SCM-T-199 2) Power PCB PSB012D953A 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) 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) . (Note 1) (However, do not cut the band that binds only the red and blue wirings.) 　...
Page 227 '16 • SCM-T-199 (ii) FDE, 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 228 '16 • SCM-T-199 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 229: Outdoor Unit Inspection Points
'16 • SCM-T-199 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4 Normal * /Test run Test run, Drain motor Normal SW7-1 Keep OFF...
Page 230: Check Of Anomalous Operation Data With The Remote Control
'16 • SCM-T-199 Check of anomalous operation data with the remote Number Data Item control (Operation Mode) (a) In case of RC-E5 remote control (Set Temperature) Operation data can be checked with remote control unit (Return Air Temperature) operation. (Remote Control Thermistor Tempeature) ①...
Page 231 '16 • SCM-T-199 (b) In case of RC-EX1A remote control [Operating procedure] (i) On the TOP screen, touch the buttons in the order of “Menu” → “Next” → “Service & Maintenance” → “Service password” → “Set” → “Error display” → “Error history”. (ii) When only one indoor unit is connected to the remote control, followings will be displayed.
Page 232: Inverter Checker For Diagnosis Of Inverter Output
'16 • SCM-T-199 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 233: Troubleshooting Flow
'16 • SCM-T-199 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 234: Operates But Does Not Cool
'16 • SCM-T-199 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 235: Operates But Does Not Heat
'16 • SCM-T-199 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 236 '16 • SCM-T-199 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 237 '16 • SCM-T-199 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 238 '16 • SCM-T-199 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 239 '16 • SCM-T-199 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 240 '16 • SCM-T-199 Green Error code Content Louver motor failure Keeps flashing Stays OFF Indoor None Remote control: (FDTC and FDE series) – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTC and FDE series only Diagnosis Countermeasure L Check at the indoor unit side. Operate after waiting for more than 1 minute.
Page 241: Power Source System Error (Power Source To Indoor Control Pcb)
'16 • SCM-T-199 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 ①...
Page 242: Power Source System Error (Power Source To Remote Control)
'16 • SCM-T-199 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 243: Inspect I/U (When 1 Or 2 Remote Controls Are Connected)
'16 • SCM-T-199 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 244 '16 • SCM-T-199 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 245: Communication Error At Initial Operation
'16 • SCM-T-199 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 246 '16 • SCM-T-199 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 247 '16 • SCM-T-199 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 Remote control display is power on.
Page 248 '16 • SCM-T-199 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 249: E5 Communication Error During Operation
'16 • SCM-T-199 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 250: E6 Indoor Heat Exchanger Temperature Thermistor Anomaly
'16 • SCM-T-199 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 251: E7 Return Air Temperature Thermistor Anomaly
'16 • SCM-T-199 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 252: Heating Overload Operation
'16 • SCM-T-199 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 Wash. Is the air filter clogged? 2. Error detection method Is the Defective indoor heat indoor heat exchanger...
Page 253: Drain Trouble (Fdtc And Fdum Only)
'16 • SCM-T-199 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 Check float switch...
Page 254: E10 Excessive Number Of Connected Indoor Units (More Than 17 Units) By Controlling With One Remote Control
'16 • SCM-T-199 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 remoto control – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Aren't more than 17...
Page 255: Address Setting Error Of Indoor Units
'16 • SCM-T-199 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 256: E14 Communication Error Between Master And Slave Indoor Units
'16 • SCM-T-199 Green Content Error code Communication error Keeps flashing 3-time flash Indoor Remote control: between master and slave indoor units – Stays Off Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is it OK the unit Correct unit address setting.
Page 257: E16 Indoor Fan Motor Anomaly
'16 • SCM-T-199 Green Error code Content Keeps flashing 1-time flash Indoor Remote control: Indoor fan motor anomaly – Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material Remove foreign material. intervene in rotational area of fan propeller? Does the fan 2.
Page 258: E19 Indoor Unit Operation Check, Drain Motor Check Setting Error
'16 • SCM-T-199 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 259: Indoor Fan Motor Rotation Speed Anomaly
'16 • SCM-T-199 Green Error code Content Indoor fan motor rotation Keeps flashing 1-time flash Indoor Remote control: speed anomaly – Outdoor Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material Remove foreign material. intervene in rotational area of fan propeller? Does the fan...
Page 260: E28 Remote Control Temperature Thermistor Anomaly
'16 • SCM-T-199 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 261: E35 Cooling High Pressure Operation
'16 • SCM-T-199 Green Error code Content Indoor Keeps flashing Stays OFF Cooling high pressure operation Remote control: – 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 262: E36 Discharge Pipe Temperature Error
'16 • SCM-T-199 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 Replace discharge pipe discharge pipe temperature...
Page 263: E37 Outdoor Heat Exchanger Temperature Sensor Anomaly
'16 • SCM-T-199 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 264: Outdoor Air Temperature Sensor Anomaly
'16 • SCM-T-199 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 265: Discharge Pipe Temperature Sensor Anomaly
'16 • SCM-T-199 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 266: Current Cut
'16 • SCM-T-199 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 267 '16 • SCM-T-199 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 268: E45 Outdoor Sub Pcb Communication Error
'16 • SCM-T-199 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 269 '16 • SCM-T-199 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 270: E48 Outdoor Fan Motor Anomaly
'16 • SCM-T-199 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 271 '16 • SCM-T-199 Green Green Content Content Error code Error code Indoor Keeps flashing Stays OFF Power transistor anomaly Remote control: Remote controller: E51 Power transistor error Keeps flashing Stays Off Indoor Outdoor – 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 272 '16 • SCM-T-199 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 273 '16 • SCM-T-199 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 274: Current Safe Stop
'16 • SCM-T-199 Green Green Error code Error code Content Content Current safe stop Indoor Keeps flashing Stays OFF Keeps flashing Stays Off Indoor Current safe stop Remote control: Remote controller: E58 (Model SRC40 - 60) – 3-time flash Outdoor 3 time flash Outdoor ―...
Page 275: E59 Compressor Startup Failure
'16 • SCM-T-199 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 276 '16 • SCM-T-199 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 277: Table Of Functions Connected Wired Remote Control (Rc-E5)
'16 • SCM-T-199 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＊＊ZMX-S, ZS-S, SKM＊＊ZSP-S ・Floor standing type：SRF＊＊ZMX-S ・Ceiling concealed type：SRR＊＊ZM-S ○：OK, △：Conditionally OK, ×：N/A...
Page 278 '16 • SCM-T-199 Outline of function Remarks Functions SRK(SKM) SRR 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 279: Option Parts
'16 • SCM-T-199 10. OPTION PARTS PJA012D730 10.1 Wired remote control Installation manual for wired remote controller Connect the remote control cord terminal block. (1) Model RC-E5 Connect the terminal of remote c Read together with indoor unit's installation manual. with the terminal of indoor unit (X (X and Y are no polarity) WARNING...
Page 280 '16 • SCM-T-199 mote 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 tempera Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 - 30°C (55 - 86°F)
Page 281 '16 • SCM-T-199 P J A 0 1 2 D 7 3 0 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. Upper case Upper case Board Heating : 16 - 30°C (55 - 86°F) Except heating (cooling, fan, dry, automatic) : 18 - 30°C (62 - 86°F)
Page 282 '16 • SCM-T-199 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 283 '16 • SCM-T-199 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Item Function No. 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 284 '16 • SCM-T-199 PJA012D 730 is automatically defined as following table. Operation message How to set function able indoor unit. Function description: Function No. Stop air-conditioner and press (SET) (MODE) setting description: -RUN" mode buttons at the same time for over three seconds, and the ree step of air flow setting "FUNCTION SET "...
Page 285: Installation Manual
'16 • SCM-T-199 PJZ012D077 (2) Model RC-EX1A eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
Page 286: Safety Precautions
'16 • SCM-T-199 1 . Safety precautions This installation manual describes the installation methods and precautions related to the remote control. Use this manual together with the user’s manuals for the indoor unit, outdoor unit and other option equipment. Please read this manual carefully before starting the installation work to install the unit properly.
Page 287 '16 • SCM-T-199 When installing the unit at a hospital, telecommunication facility, etc., take measures to suppress electric noises. It could cause malfunction or break-down due to hazardous effects on the inverter, private power generator, high frequency medical equipment, radio communication equipment, etc. The influences transmitted from the remote control to medical or communication equipment could disrupt medical activities, video broadcasting or cause noise interference.
Page 288 '16 • SCM-T-199 2 . Accessories & prepare on site R/C main unit, wood screw (ø3.5 x 16) 2 pcs Accessories User’s Manual, Installation Manual Parts procured at site When the cable length is longer than Item name Q’ty Remark 100 m, the max size for wires used Switch box in the R/C case is 0.5 mm...
Page 289 '16 • SCM-T-199 Request Be sure not to install R/C at a place where temperatures around the installation surface of R/C may differ largely from actual room temperature. Difference between detected temperature and actual room temperature could cause troubles. The correction for detected temperature by the R/C cannot offset such temperature difference because it corrects the detected temperatures itself.
Page 290 '16 • SCM-T-199 ④ When wires are passed through the bottom case, ﬁx the bottom case at 2 places on the switch box. Upper side Upper side Switch box Switch box for 1 pc for 2 pcs Cut out the thin wall part at the screw mounting Bottom case...
Page 291 '16 • SCM-T-199 If the hole is cut too large, moisture, dust or insects may enter. Seal gaps with putty or the like. ④ Fix the bottom R/C case on a ﬂat surface with wood screws. ⑤ In case of the upper center, p a s s t h e w i r i n g b e h i n d 120mm the bottom case.
Page 292 '16 • SCM-T-199 Note: Connection to personal computer It can be set from a personal computer via the USB port (mini-B). Connect after removing the cover for USB port of upper case. Replace the cover after use. If dust, insect, etc. enters, it could cause electric shocks or breakdown.
Page 293: Wireless Kit
'16 • SCM-T-199 10.2 Wireless kit (1) FDTC series (RCN-TC-24W-ER) PJA012D758 PJA012D758 PJA012D758 PJA012D758 Notes : Following functions of FDTC indoor unit series are not able to be set with this wireless remote control (RCN-TC-24W-ER). WIRELESS KIT INSTALLATION MANUAL WIRELESS KIT INSTALLATION MANUAL WIRELESS KIT INSTALLATION MANUAL 1.
Page 294 '16 • SCM-T-199 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 PJA012D758 Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Remote controller Wireless remote controller’s operable area...
Page 295: Fde Series (Rcn-E-E)
'16 • SCM-T-199 PFA012D619A (2) FDE series (RCN-E-E) WIRELESS KIT INSTALLATION MANUAL Notes: Following functions of FDE indoor unit series are not able to be set with this wireless remote control (RCN-E-E). 　1. Flap control system PFA012D619A 　2. 4-fan speed setting (PHi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) WARNING ˜...
Page 296 '16 • SCM-T-199 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 xed, injury due to falling may result because of working at high place. ①...
Page 297 Æ '16 • SCM-T-199 ⑤ ⑤ Receiver Control plural indoor units with one remote control Up to 16 indoor units can be connected. ① Connect indoor units with each other with 2-core wires. As for size, refer to the following note. ②...
Page 298 Æ '16 • SCM-T-199 ⑤ Receiver (continued) Backup button A backup switch is provided on the receiver section of the panel surface. When operation from the wireless remote control unit is not possible (due to at batteries, a mislaid unit, a unit failure), you can use it as an emergency means.
Page 299: Fdum Series (Rcn-Kit3-E)
'16 • SCM-T-199 (3) FDUM series (RCN-KIT3-E) ③ How to install the receiver Receiver amp kit ③How to install the receiver Notes: The following two methods can be used to install the receiver onto a ceiling or a wall. Following functions of FDUM indoor unit series are not able to be set with this wireless Select a method according to the installation position.
Page 300 '16 • SCM-T-199 ⑥Setting of wireless remote control and receiver (C) Exposed installation Use the following procedure when installing the case with the wiring exposed. (A) Methods of avoiding the malfunction due to the mixed communication Cord clamp Do both procedures ① and ②. Wiring Band (enclosed) Fix with band...
Page 301: Simple Wired Remote Control (Rch-E3)
'16 • SCM-T-199 10.3 Simple wired remote control (RCH-E3) Notes: Following functions of indoor unit series are not able to be set with this simple wired remote control (RCH-E3). 　1. Individual flap control system (for FDTC) 　2. Flap control system (for FDE) 　3.
Page 302 '16 • SCM-T-199 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS In case of embedding wiring Remote control installation dimensions 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 303 '16 • SCM-T-199 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 304 '16 • SCM-T-199 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 305 connecting section. Be careful about contact failure. unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm × 2 cores Under 300m･････････････････0.75mm × 2 cores ⑹　 Mount the upper case for restoring to its former state so as not to crimp the remote control cord, Under 400m･････････････････1.25mm ×...
Page 306 ailure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while 2 cores data are 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 307: Interface Kit (Sc-Bikn-E)
'16 • SCM-T-199 10.4 Interface kit (SC-BIKN-E) RKZ012A088B 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 308 '16 • SCM-T-199 Installation of the interface ・Install the interface within the range of the connection cable length from the indoor unit. (approximately 1.3m) 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 309 '16 • SCM-T-199 Functions of CnT connector It is available to operate the air-conditioning unit 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. 0.75mm Note (1) 0.3mm ×2m...
Page 310 '16 • SCM-T-199 Connection of wired remote control Regarding the connection of wired remote control, refer to the instruction 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 311: Superlink E Board (Sc-Adna-E)
'16 • SCM-T-199 10.5 Superlink E board (SC-ADNA-E) SL2NA-E, and SL4-AE/BE to control...
Page 312 '16 • SCM-T-199...
Page 313 '16 • SCM-T-199 10.6 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. CAUTION ●...
Page 314 '16 • SCM-T-199 (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 315 '16 • SCM-T-199 (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 316: Oa Spacer (Fdtc Only)
'16 • SCM-T-199 INSTALLATION INSTRUCTION OF OA SPACER FOR FDTC INDOOR UNIT 10.7 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 317 '16 • SCM-T-199 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 318 '16 • SCM-T-199 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 319 '16 • SCM-T-199 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 320: Duct Joint (Fdtc Only)
'16 • SCM-T-199 DUCT JOINT FOR FDTC 10.8 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 321: Filter Kit (Fdum Only)
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 322 '16 • SCM-T-199 3. Installtion Points 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) Insulation Duct Insu lation (*) After unpacking, bottom side of the unit is located at the upper side.
Page 323: Technical Information
Rated air flow(outdoor) 1950 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 RWC000Z291...
Page 324 Rated air flow(outdoor) 1950 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 RWC000Z291...
Page 325 Rated air flow(outdoor) 1950 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 RWC000Z291...
Page 326: Model Scm45Zs-S
Rated air flow(outdoor) 1950 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 RWC000Z291...
Page 327 Rated air flow(outdoor) 1950 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 RWC000Z291...
Page 328 Rated air flow(outdoor) 1950 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 RWC000Z291...
Page 329: Model Scm50Zs-S
Rated air flow(outdoor) 2460 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 RWC000Z291...
Page 330 Rated air flow(outdoor) 2460 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 RWC000Z291...
Page 331 Rated air flow(outdoor) 2460 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 RWC000Z291...
Page 332 Rated air flow(outdoor) 2460 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 RWC000Z291...
Page 333 Rated air flow(outdoor) 2460 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 RWC000Z291...
Page 334 Rated air flow(outdoor) 2460 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 RWC000Z291...
Page 335 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 SCM40ZS-S Technical Manual

Table of Contents

2 Indoor Units

3 Piping Systems

5 Table of Indoor Unit Combinations

6 Selection Charts

7 Outline of Operation Control by Microcomputer

8 Maintenance Data

8.2.2 Troubleshooting Flow

9 Table of Functions Connected Wired Remote Control (Rc-E5)

10 Option Parts

11 Technical Information

Quick Links

Chapters

Troubleshooting

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Summary of Contents for Mitsubishi SCM40ZS-S