Page 1 TECHNICAL MANUAL TECHNICAL MANUAL STANDARD INVERTER PACKAGED AIR-CONDITIONERS (Split system, air to air heat pump type) CEILING CASSETTE-4WAY TYPE CEILING SUSPENDED TYPE FDE100VNP1VG FDT100VNP1VF2 DUCT CONNECTED-LOW / MIDDLE DUCT CONNECTED-HIGH STATIC STATIC PRESSURE TYPE PRESSURE TYPE FDUM100VNP1VF2 FDU100VNP1VF2 FLOOR STANDING TYPE...
Page 2 '16 • PAC-T-240 CONTENTS 1. SPECIFICATIONS ..................(1) Ceiling cassette-4way type (FDT) ............(2) Ceiling suspended type (FDE) ............... (3) Duct connected-High static pressure type (FDU) ......... (4) Duct connected-Low / Middle static pressure type (FDUM) ....(5) Floor standing type (FDF) ..............
Page 3 '16 • PAC-T-240 (6) Wall mounted type (SRK) ............... 71 (7) Effective range of cool/hot wind (Reference) ........75 10.2 Electric wiring work installation ............. 76 (1) FDT, FDE, FDU, FDUM series ............... 76 (2) FDF series ....................80 10.3 Installation of wired remote control (Option) ........
Page 4 '16 • PAC-T-240 (28) Energy-saving operation (RC-EX1A only) ..........126 (29) Warm-up control (RC-EX1A only) ............126 (30) Home leave mode (RC-EX1A only) ............126 (31) Auto temperature setting (RC-EX1A only) ..........126 (32) Fan circulator operation (RC-EX1A only) ..........126 (33) The operation judgment is executed every 5 minutes (RC-EX1A only) ..126 (34) Auto fan speed control (RC-EX1A only)
Page 5 '16 • PAC-T-240 (12) Compressor overheat protection ............143 (13) Current safe ...................143 (14) Current cut .....................144 (15) Outdoor unit failure ................144 (16) Serial signal transmission error protection ..........144 (17) Rotor lock ....................144 (18) Refrigeration cycle system protection ............144 (19) Silent mode ....................144 (20) Broken wire detection on temperature sensor ........145...
Page 6 '16 • PAC-T-240 13.4 Interface kit (SC-BIKN-E) ................233 13.5 Superlink E board (SC-ADNA-E) ..............237 13.6 Base heater kit (CW-H-E1) ................239 14. TECHNICAL INFORMATION .................247 (1) Ceiling cassette-4way type (FDT) ............247 (2) Ceiling suspended type (FDE) ..............248 (3) Duct connected-High static pressure type (FDU) ........249 (4) Duct connected-Low / Middle static pressure type (FDUM) ....250 (5) Floor standing type (FDF)
Page 7 '16 • PAC-T-240 1. SPECIFICATIONS (1) Ceiling cassette-4way type (FDT) Model FDT100VNP1VF2 Item Indoor unit FDT100VF2 Outdoor unit FDC100VNP Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 2.8(Min.)— 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 2.5(Min.)—...
Page 8 '16 • PAC-T-240 (2) Ceiling suspended type (FDE) Model FDE100VNP1VG Item Indoor unit FDE100VG Outdoor unit FDC100VNP Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 2.8(Min.)— 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 2.5(Min.)— 12.5(Max.)] Cooling 2.66 Power consumption...
Page 9 '16 • PAC-T-240 (3) Duct connected-High static pressure type (FDU) Model FDU100VNP1VF2 Item Indoor unit FDU100VF2 Outdoor unit FDC100VNP Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 2.8(Min.)— 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 2.5(Min.)—...
Page 10 '16 • PAC-T-240 (4) Duct connected-Low / Middle static pressure type (FDUM) Model FDUM100VNP1VF2 Item Indoor unit FDUM100VF2 Outdoor unit FDC100VNP Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 2.8(Min.)— 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 2.5(Min.)—...
Page 11 '16 • PAC-T-240 (5) Floor standing type (FDF) Model FDF100VNP1VD2 Item Indoor unit FDF100VD2 Outdoor unit FDC100VNP Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 2.8(Min.)— 11.2(Max.)] Nominal heating capacity (range) 11.2 [ 2.5(Min.)— 12.5(Max.)] Cooling 3.19 Power consumption...
Page 12 '16 • PAC-T-240 (6) Wall mounted type (SRK) Model SRK100VNP1ZR Item Indoor unit SRK100ZR-S Outdoor unit FDC100VNP Power source 1 Phase 220-240V 50Hz / 220V 60Hz Nominal cooling capacity (range) 10.0 [ 2.4(Min.)— 10.5(Max.)] Nominal heating capacity (range) 11.2 [ 3.2(Min.)— 11.5(Max.)] Heating capacity (H2) —...
Page 13 Decorative panel 860‑910 □950 （Ceiling hole size） Symbol Content □630 （Suspension bolts pitch） Gas piping φ15.88(5／8")(Flare) Liquid piping φ9.52(3／8")(Flare) Drain piping VP25(I.D.25,O.D.32) Hole for wiring Suspension bolts (M10 or M8) Control Outside air opening (Knock out) for ducting Air outlet opening (Knock out) for ducting Space for installation and service...
Page 15 '16 • PAC-T-240 (c) Duct connected-High static pressure type (FDU) Model FDU100VF2 Symbol Content Gas piping 1280 φ15.88（5／8"）（Flare）（Duct dimension） Liquid piping φ9.52（3／8"）（Flare） VP25（I.D.25,O.D.32） Drain piping Drain piping Drain hose piece VP20（I.D.20,O.D.26）（Accessory）（Gravity drainage） Hole for wiring （Installed on site） Suspension bolts （M10）...
Page 16 '16 • PAC-T-240 (d) Duct connected-Low / Middle static pressure type (FDUM) Model FDUM100VF2 Symbol Content Gas piping φ15.88(5／8")(Flare) Liquid piping φ9.52(3／8")(Flare) Drain piping VP25(I.D.25,O.D.32) 1280 （Duct dimension） Drain piping 4×280=1120 VP20(I.D.20,O.D.26) (Gravity drainage) Hole for wiring Suspension bolts (M10) Drain hose piece Outside air opening (Accessory)
Page 17 H can be installed left 25-50 (Range that can be adjusted) Air supply Remote control Air return grille 622.5 264(Liquid) 262(Gas) Terminal block (Power source) 238.5(Drain) Note(1) The model name label is attached on the (Center of left lower side panel inside the air return grille. terminal block) Space for installation and service Symbol...
Page 18 Symbol Content φ15.88 （ 5／8"）（ Flare） Gas piping 43.5 φ9.52 （ 3／8"）（ Flare） Liquid piping （φ65） Hole on wall for right rear piping （φ65） Hole on wall for left rear piping Drain hose VP16 Outlet for wiring （ on both side） Outlet for piping （...
Page 19 Notes Symbol Content 　（1） It must not be surrounded by walls on the four sides. Service valve connection （ gas side） φ15.88 （ 5／8"）（ Flare）　（2）The unit must be fixed with anchor bolts. An anchor bolt must not Service valve connection （...
Page 20 '16 • PAC-T-240 (3) Remote control (a) Wired remote control (Option parts) Model:RC-EX1A Interface kit (SC-BIKN-E) is required to use the wired remote control. (SRK series only) Installation space Exterior appearance Pearl white (Munsell color) (N8.5) near equivalent R/C cable：0.3mm ×...
Page 21 '16 • PAC-T-240 Model RC-E5 Interface kit (SC-BIKN-E) is required to use the wired remote control. (SRK series only) 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. In case of pulling out In case of pulling out from upper left...
Page 22 '16 • PAC-T-240 (b) Wireless remote control RCN-E1R (Option parts) (Except SRK series) Unit: mm SRK series only (Standard accessory) Unit: mm...
Page 23 （Remote operation input: volt-free contact） Meaning of marks CNB-Z Connector Remote control Drain motor Control PCB Ｃ F1-3 Fuse CNTA Fan motor t° t° Thi-R1 Float switch LED・2 LED・3 Reactor t° Thi-R2 YE／GN LED・2 CNWR2 CNW0 Power PCB Indication lamp Connecting line between (Green-Normal operation) indoor unit and outdoor unit...
Page 24 Control PCB Remote Thi-R1 t° control t° LED・2 LED・3 Thi-R2 t° CNWR2 Connecting line between Power PCB Thi-R3 CNW0 t° indoor unit and outdoor unit YE／GN F1（3.15A） Power source line Power circuit CNW1 CNW2 Signal line F2（3.15A） Thi-A t° Earth CNW3 YE／GN （2.0A）...
Page 25 Meaning of marks CNB-Z Connector Drain motor F1,3,4 Fuse Fan motor（with thermostat） Float switch Remote control Control PCB Reactor Th i -R1 t° LED・2 Indication lamp（Green-Normal operation） t° LED・3 Indication lamp（Red-Inspection） Th i -R2 t° LED・2 LED・3 Remote control communication address Power PCB CNW0 Th i -R3...
Page 26 Meaning of marks CNB-Z Connector Drain motor F1,3,4 Fuse FMI1,2 Fan motor(with thermostat) Float switch Remote control Control PCB Reactor Thi-R1 t° LED・2 Indication lamp(Green-Normal operation) t° LED・3 Indication lamp(Red-Inspection) Thi-R2 t° LED・2 LED・3 Remote control communication address Power PCB CNW0 Thi-R2 t°...
Page 27 Color marks Meaning of marks Mark Color Mark Color Mark Color Connector Plural units Master／Slave setting CNB-Z GR Gray Black White F200-203 Fuse Model capacity setting Orange Blue Yellow Fan motor SW7- 1 Operation check,Drain motor test run Terminal block(Power source) Reactor BR Brown YE／GN Yellow／Green...
Page 28 Meaning of marks Item Description Connector DISPLAY WIRELESS RECEIVER BACK-UP SW PRINTED CIRCUIT BOARD Fan motor Flap motor Louver motor Room temp. sensor Heat exchanger sensor Humidity sensor Diode stack INTERFACE KIT Fuse Terminal block Varistor Color marks Mark Color HEAT F 3.15A Black...
Page 29 Power source 1 Phase 220 - 240V 50Hz PCB ASSY TERMINAL POWER （YE）（YE） BLOCK 1 〜＋ TRANSISTOR （BK）（BK） R.IN （BL）（BL）（RD） 250V 20A （WH） S.IN （WH）〜 − （YG）（BK） 3〜（BK）（YG）（YG） 250V 20A T 8A TERMINAL 〜...
Page 30 '16 • PAC-T-240 NOISE LEVEL Notes (1) The data are based on the following conditions. Ambient air temperature: Indoor unit 27℃WB. Outdoor unit 35℃DB. (2) The data in the chart are measured in an anechoic room. (3) The noise levels measured in the field are usually higher than the data because of reflection. (1) Indoor units Ceiling cassette-4way type (FDT) Measured based on JIS B 8616...
Page 31 '16 • PAC-T-240 Duct connected-Low / Middle static pressure type (FDUM) Model FDUM100VF2 Measured based on JIS B 8616 Noise level 44 dB (A) at P-Hi ●Mike position 38 dB (A) at Hi 36 dB (A) at Me 30 dB (A) at Lo Unit Return duct Supply duct...
Page 32 '16 • PAC-T-240 (2) Outdoor unit Measured based on ISO-T1, JIS B 8616 Mike position: at highest noise level in position as mentined below Distance from front side 1m Height Model FDC100VNP ■ Sound pressure level Cooling noise level 57 dB (A) Heating noise level 61 dB (A) 1000 2000...
Page 33 '16 • PAC-T-240 5. CHARACTERISTICS OF FAN (1) Duct connected-High static static pressure type (FDU) ・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. (SW8-4 OFF : 150Pa, SW8-4 ON : 200Pa) , rated E.S.P., and minimum E.S.P. (SW8-4 OFF : 80Pa, SW8-4 ON : 10Pa) ・Characteristic FAN (2) shows air flow vs E.S.P.
Page 34 '16 • PAC-T-240 (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 remote control. ・External Static Pressure (E.S.P.) can be set by wired remote control.
Page 35 '16 • PAC-T-240 　 6. TEMPERATURE AND VELOCITY DISTRIBUTION Indoor temperature Cooling 27° CDB / 19° CWB Heating 20° CDB Note: These figures represent the typical main range of temperature and velocity distribution at the center of air outlet within the published conditions. In the actual installation, they may differ from the typical figures under the influence of air temperature conditions, ceiling height, operation conditions and obstacles.
Page 36 '16 • PAC-T-240 (2) Ceiling suspended type (FDE) Model FDE100VG Cooling Air flow P-Hi ：　 Temperature distribution Louver position ℃ 5° Velocity distribution m/sec Heating Air flow P-Hi ：　 Temperature distribution Louver position ℃ 45° Velocity distribution m/sec...
Page 37 '16 • PAC-T-240 (3) Floor standing type (FDF) Models All model Model FDF100VD2 Cooling Air flow:Hi (Louver position:Horizontal) (a) Cooling Air flow:Hi (Louver position:Horizontal) Temperature distribution Less than 14℃ 16℃ 18℃ 24℃ 20℃ 22℃ 24℃ 26℃ Heating Air flow:Hi (Louver position:Horizontal) Temperature distribution ℃...
Page 38 '16 • PAC-T-240 7. PIPING SYSTEM (1) FDT, FDE, FDU, FDUM, FDF series Indoor unit Outdoor unit Heating cycle Cooling cycle Service valve Outdoor air temp. sensor Gas pipie (Flaare connecting) (φ15.88) Muffler (TH2) Thermistor (Heat Discharge pipe exchanger) temp. sensor Check joint (Thi-R3) Accumulator...
Page 39 '16 • PAC-T-240 8. RANGE OF USAGE & LIMITATIONS See next page. Operating temperature range When used below -5˚C, install a snow hood (prepared on site). Considering to get sufficient heating capacity, the area where the averaged lowest ambient Recommendable area to install air temperature in day time during winter is above 0˚C, and it has no accumulation of snow.
Page 40 '16 • PAC-T-240 Operating temperature range ■ Cooling 46℃DB Usage range in cooling -15℃DB Indoor air temperature (℃WB) ■ Heating Usage range in heating Outdoor air temperature (℃WB) Decline in cooling and heating capacity or operation stop may occur when the outdoor unit is installed in places where natural wind can increase or decrease its design airflow rate.
Page 41 '16 • PAC-T-240 Limitation on unit and piping installation Model for Marks appearing Descriptions Dimensional limitations outdoor unit in the drawing One-way pipe length ≦ 30m When the outdoor unit is positioned higher FDC100VNP ≦ 20m Elevation difference between indoor and outdoor unit When the outdoor unit is positioned lower ≦...
Page 42 Otherwise protection control by low pressure will be activated much more frequently and it will cause insufficient capacity or breakdown of the compressor in worst case. 9.1 Capacity tables (1) Ceiling cassette-4way type (FDT) Model FDT100VNP1VF2 Indoor unit FD100VF2 Outdoor unit FDC100VNP...
Page 43 '16 • PAC-T-240 (3) Duct connected-High static pressure type (FDU) FDU100VNP1VF2 Model Indoor unit FDU100VF2 Outdoor unit FDC100VNP Cooling mode Heating mode : HC (kW) (kW) Indoor air temperature Indoor air temperature Outdoor air Outdoor air temperature 18℃DB 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB...
Page 44 '16 • PAC-T-240 (5) Floor standing type (FDF) FDF100VNP1VD2 Model Indoor unit FDF100VD2 Outdoor unit FDC100VNP Cooling mode Heating mode : HC (kW) (kW) Indoor air temperature Indoor air temperature Outdoor air Outdoor air temperature 18℃DB 21℃DB 23℃DB 26℃DB 27℃DB 28℃DB 31℃DB 33℃DB...
Page 45 '16 • PAC-T-240 References data Capacity variation against outdoor and indoor temperature at the maximum compressor speed capacity compensation coefficient shows the ratio to nominal capacity. Cooling Indoor air Indoor air temperture 19 WB temperture 24 WB Indoor air temperture 17 WB Indoor air temperture 15 WB Indoor air...
Page 46 How to obtain the cooling and heating capacity Example : The net cooling capacity of the model FDT100VNP1VF2 with the air flow “P-Hi”, the piping length of 15m, the outdoor unit located 5m lower than the indoor unit, indoor wet-bulb temperature at 19.0℃ and outdoor dry-bulb temperature 35℃ is 9.6 kW...
Page 47 '16 • PAC-T-240 PJF012D016G 10. APPLICATION DATA 10.1 Installation of indoor unit ①Be ●Inst (1) Ceiling cassette-4 way type (FDT) CAUTION ●Con This manual is for the installation of an indoor unit. 　○U ● Perform earth wiring surely. For electrical wiring work (Indoor), refer to the page 76. For remote control installation, refer to the Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 48 '16 • PAC-T-240 ①Before installation ③Preparation before installation ●Install correctly according to the installation manual. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ●Conﬁrm the following points: 　○For grid ceiling 　○Unit type/Power source speciﬁcation ○Pipes/Wires/Small parts ○Accessory items 　　When suspension bolt length is over 500mm, or the gap between the ceiling and roof is over 700mm, apply earthquake resistant brace to the bolt.
Page 49 '16 • PAC-T-240 ⑤Refrigerant pipe (continued) ④Installation of indoor unit (continued) ⑥D 6. Make sure to install the indoor unit horizontally. Conﬁrm the Caution: ● levelness of the indoor unit with a level gauge or transpar- Refrigerating machine oil should not be applied to the threads of union or external surface of ﬂare. It ent hose ﬁlled with water.
Page 50 '16 • PAC-T-240 '14 • PAC-DB-214 ⑦Wiring-out position and wiring connection ⑥Drain pipe (continued) As wide as possible Single Split (PAC) series VRF (KX) series ●When sharing a drain pipe for more than (about100mm) Wiring between Indoor power one unit, lay the main pipe 100mm Power source Clamp Earth indoor and...
Page 51 '16 • PAC-T-240 PJF012D003C PANEL INSTALLATION MANUAL PJF012D003C Read this manual together with the indoor unit’s installation manual. ⑥ Attaching the panel 1. Temporary attaching WARNING Lift up the hanger (2 places) on the panel for temporary support. Fasten the wiring to the terminal securely and hold the cable securely so as not to apply Hang the panel on the hook on the indoor unit.
Page 52 '16 • PAC-T-240 ⑧ Attaching a corner panel 1. To avoid unexpected falling of the corner panel, put the strap onto the corner panel’s pin with turning the strap up. 2. Then hang the strap of a corner panel onto the decorative panel’s pin. 3.
Page 53 '16 • PAC-T-240 OUTDOOR AIR (OA) INTAKE FOR FDT If it is required to intake OA through FDT unit, make sure to check following points carefully in order to conform to the requirement of customer. If the OA intake volume through FDT unit is not satisfied with the required ventilation air volume, consider to install an indepemdent ventilation system.
Page 54 '16 • PAC-T-240 INSTALLATION MANUAL FOR CEILING SUSPENDED PFA012D628 TYPE (FDE) (2) Ceiling suspended type (FDE) ①Be ①Be This manual is for the installation of an indoor unit. CAUTION Install c For electrical wiring work (Indoor), refer to page 76. For remote control installation, Con rm refer to page 84.
Page 55 '16 • PAC-T-240 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: Series type ・ Cut out holes using nippers, etc. Unit type/Power source speci cation Pipes/Wires/Small parts Accessory items...
Page 56 '16 • PAC-T-240 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 57 '16 • PAC-T-240 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 58 '16 • PAC-T-240 PJG012D004B DUCT CONNECTED HIGH STATIC PRESSURE AIR CONDITIONING (3) Duct connected-High static pressure type (FDU) (OUTDOOR AIR PROCESSING FDU-F) UNIT INSTALLATION MANUAL ○This model blow type a ・ This munual is for instaration of an indoor unit and an outdoor air processing unit (FDU-F). ・...
Page 59 '16 • PAC-T-240 D004B ○This model is high static ducted type air-conditioning unit. Therefore, do not use this model for direct ③Cautions for the handling and installation place of outdoor air processing unit blow type air-conditioning unit. ①This unit monitors the outdoor air temperature at the position of sensor A in the ﬁgure, and controls the start and ①Before installation stop with the thermostat based on the value of sensor A and the setting temperature by the remote control.
Page 60 '16 • PAC-T-240 ⑥Duct Work (continued) ⑤Installation of indoor unit ⑦Re Installation Caution Air-conditioner unit ●Be s [Hanging] or a Hang the unit up. Suspension bolt If the measurements between Regar Ceiling surface M10 nut the unit and the ceiling hole do outdo Washer for M10 Suction duct...
Page 61 '16 • PAC-T-240 ⑧Drain pipe ⑦Refrigerant pipe Caution Caution ● Install the drain pipe according to the installation manual in order to drain properly. ●Be sure to use new pipes for the refrigerant pipes. Use the ﬂare nut attached to the product Imperfection in draining may cause ﬂood indoors and wetting the household goods, etc.
Page 62 '16 • PAC-T-240 (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 to replace. (2) For the maintenance space, refer to page 58. (i) Remove the control box and the side panel, and remove (iii) Remove the screws marked in the circles (2 places) from the screws marked in the circles (2 places) from the unit...
Page 63 '16 • PAC-T-240 (4) Duct connected-Low / Middle static pressure type (FDUM) PJG012D008C ○This mod blow type CAUTION ①Be This manual is for the installation of an indoor unit. ● Perform earth wiring surely. ●Insta For electrical wiring work (Indoor), refer to the page 76. For remote control installation, refer to the Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 64 '16 • PAC-T-240 ○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 65 '16 • PAC-T-240 ⑤Duct Work (continued) ⑤Duct Work ⑥R ① A corrugated board (for preventing sputtering) is attached to the main body of the air-conditioner Connecting the air intake/vent ducts 4. Re (on the outlet port). Do not remove it until connecting the duct. ①Fresh Air Intake ●An air ﬁlter can be provided on the main body of the air-conditioner (on the inlet port).
Page 66 '16 • PAC-T-240 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 67 '16 • PAC-T-240 (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 to replace. (2) For the maintenance space, refer to page 63. (i) Remove the control box and the side panel, and remove the screws (iii) Remove the screws marked in the circles (2 places) from the marked in the circles (2 places) from the unit located at the near side.
Page 68 '16 • PAC-T-240 (5) Floor standing type (FDF) PGA012D404A ①B CAUTION ○ Inst This manual is for the installation of an indoor unit. acco ● Perform earth wiring surely. For electrical wiring work (Indoor), refer to the page 80. For remote control installation, refer to the instr ○ Is it Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 69 '16 • PAC-T-240 ①Before installation ③Carrying-in and installation of the unit Model and po ation Carrying-in ○ Install the unit properly ATTENTION: according to this Carry in the unit kept in a package as near as possible to the installa- instruction manual. Check.
Page 70 '16 • PAC-T-240 ④Refrigerant piping (Continued) ③Carrying-in and installation of the unit (Continued) ⑤D ◆ Pipe and wire extracting position ① ②Turn over the and ﬁx it to the unit and either the ﬂoor or the wall as illustrated. ated below. ・F Gas pipe Fixing position (L ﬁtting)
Page 71 '16 • PAC-T-240 ⑤Drain pipe ⑥Wire extracting position and wire connecton (Continued) WARNING • Do not insert the drain pipe directly in the drain ditch where toxic gases such as sulffuric gas are produced. Control box Toxic gas may ﬂow into the room. Open the air inlet grill by holding the grips with CAUTION...
Page 72 (6) Wall mounted type (SRK) RLD012A001 WALL TYPE AIR-CONDITIONER R410A REFRIGERANT USED CAUTION INSTALLATION MANUAL FOR INDOOR UNIT • Carry out the electrical work for ground lead with care. Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line’s ground lead. Incorrect grounding can cause unit faults such as electric shocks due to short-circuiting.
Page 73 • Locations where an equipment affected by high harmonics is placed (TV • Do not touch any refrigerant pipes with your hands when the system If air enters in the refrigerant circuit, the pressure in the refrigerant circuit Touching rotating equipments, hot surfaces or high voltage parts can set or radio receiver is placed within 1m).
Page 74 RLD012A001 Fixing of indoor unit Since this air-conditioner has been designed to collect dew drops on the rear Gutter surface to the drain pan, do not attach the power cord above the gutter. • How to remove the indoor unit from the installation board Latch (2 locations) Installation Steps Pass the pipe through...
Page 75 ○ To remove, pull up the panel to the position shown in ○ Installing right illustration and pull it toward you. Remove the air filter. Front panel ○ To install, insert the panel arm into the slot on the front Approx.
Page 76 '16 • PAC-T-240 (7) Effective range of cool/hot wind (Reference) (a) FDT series Guideline for ceiling height Model Fan speed setting FDT100VF2 3.2m P-Hi 4.3m Notes (1) If the ceiling height is over 3m, please consider to add circulators. This table shows reference values in case of four outlet. If you shut some outlets, they are different.
Page 77 '16 • PAC-T-240 10.2 Electric wiring work installation PSB012D999 (1) FDT, FDE, FDU, FDUM series PSBO12D999 ELECTRIC WIRING WORK INSTRUCTION Electrical Wiring Connection ②Remot Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ●...
Page 78 '16 • PAC-T-240 D999 ②Remote Control, Wiring and functions ③ Operation and conﬁrmation from remote control al power ● DO NOT install it on the following places Operation from RC-EX1A Operation from RC-E5 ollowing ①Places exposed to direct sunlight 1 Check the number of units connected in the remote control system. ②Places near heat devices It checks sub units of twin, triple or W-twin connection.
Page 79 '16 • PAC-T-240 ⑥ Operation and setting from remote control ⑥ O A: Refer to the instruction manual for RC-EX series. B: Refer to the installation manual for RC-EX series. C: Loading a utility software vie Internet 11． A ○: Nearly same function setting and operations are possible. △: Similar function setting and operations are possible.
Page 80 '16 • PAC-T-240 ⑥ Operation and setting from remote control (continued) RC-EX Setting & display item Description RC-E5 series Ａ 11． Administrator settings [Administrator password] ・ Enable/Disable setting of operation can be set. [On/Off] [Change set temp.] [Change operation mode] [Change air ﬂow direction] 1 Enable/Disable setting [Individual ﬂap control setting][Fan speed] [High power operation] [Energy-saving operation] [Timer settings] [Weekly timer setting] Ａ ...
Page 81 '16 • PAC-T-240 (2) FDF series PGAO12D405 Electrical Wiring Connection ②Wir Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ● Use three-core cable as wiring between indoor and outdoor unit. As for detail, refer to "INSTALLATION MANUAL" of ①...
Page 82 '16 • PAC-T-240 D405 ②Wiring for the remote control (Continued) ③Function Setting by Remote Control (Continued) L" of ① Open the remote control cover and remove the screw without fail. Press (SET) button. The current setting of selected function is indicated. (For example) "STANDARD"...
Page 83: Cnt
'16 • PAC-T-240 ③Function Setting by Remote Control (Continued) ④Tri Chec [Flow of function setting] It is possible to ﬁnish above setting on the way, and unﬁnished change of setting is unavailable. Start : While indoor unit do not operate, press “ ”...
Page 84: (Blue 6P)
'16 • PAC-T-240 ④Trial operation (Continued) ⑦Troubleshooting The operation data is saved when the situation of abnormal operation happen, and the data Checking operation data can be conﬁrmed by remote control. ble. Operation data can be checked with remote Number Data Item control unit operation.
Page 85 '16 • PAC-T-240 10.3 Installation of wired remote control (Option) PJZ012D077 (1) Model RC-EX1A eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
Page 86 '16 • PAC-T-240 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 87 '16 • PAC-T-240 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 88 '16 • PAC-T-240 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 89 '16 • PAC-T-240 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 90 '16 • PAC-T-240 ④ W hen 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 91 '16 • PAC-T-240 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 I n 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...
Page 92 '16 • PAC-T-240 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 93 '16 • PAC-T-240 (2) Model RC-E5 Installation manual for wired remote controller PJA012D730 Connect the remote control terminal block. Connect the terminal of rem Read together with indoor unit's installation manual. with the terminal of indoor u WARNING (X and Y are no polarity) Wiring route is as shown in Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the depending on the pulling ou...
Page 94 '16 • PAC-T-240 emote controller Connect the remote control cord to the Sheath Sheath The range of temperature setting Upper Upper terminal block. When shipped, the range of set tempe Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 - 30°C (55 - 86°F)
Page 95 '16 • PAC-T-240 PJ A01 2D73 0 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. pper case Upper case Board Heating : 16 - 30°C (55 - 86°F) Except heating (cooling, fan, dry, automatic) : 18 - 30°C (62 - 86°F) Upper limit and lower limit of set temperature can be changed with remote control.
Page 96 '16 • PAC-T-240 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 97 '16 • PAC-T-240 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 98 '16 • PAC-T-240 PJA0 12 D73 0 nd is automatically defined as following table. Operation message How to set function Function description: ectable indoor unit. Function No. Stop air-conditioner and press (SET) (MODE) setting description: uto-RUN" mode buttons at the same time for over three seconds, and the three step of air flow setting "FUNCTION SET "...
Page 99 PCA012D064 Note as a unit designed for R410A INSTALLATION MANUAL FOR OUTDOOR UNIT • Do not use any refrigerant other than R410A. R410A will rise to pressure about 1. 10.4 Installation of outdoor unit A cylinder containing R410A has a pink indication mark on the top. R410A REFRIGERANT USED •...
Page 100 TV set or radio receiver interference. • Ensure that no air enters in the refrigerant circuit when the unit is installed and • Do not bundle or wind or process the power cord. Do not deform the power • Do not perform any repairs or modifications by yourself. Consult the dealer if •...
Page 101 • In charging refrigerant, always take it out from a cylinder in the liquid phase. • All indoor units must be models designed exclusively for R410A. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair proper system operation) any time.
Page 102 temperature is –5°C or lower. temperature is –5°C or lower. Since drain water generated by defrost control may freeze, following measures are required. rating in the Since drain water generated by defrost control may freeze, following measures are required. • When the outdoor air temperature is -5°C or lower, provide a snow hood to the outdoor unit on site. ct rating in the •...
Page 103 5) Air tightness test a) Raise the pressure to 0.5MPa, and then stop. Leave it for five minutes to see if the pressure drops. a) Raise the pressure to 0.5MPa, and then stop. Leave it for five minutes to see if the pressure drops. •...
Page 104 4. ELECTRICAL WIRING WORK 4. ELECTRICAL WIRING WORK For details of electrical cabling, refer to the indoor unit installation manual. For details of electrical cabling, refer to the indoor unit installation manual. Electrical installation work must be performed by an electrical installation service provider qualified by a power provider of the country. Electrical installation work must be performed by an electrical installation service provider qualified by a power provider of the country.
Page 105 • Always perform grounding system installation work with • Use Polychloroprene sheathed flexible cord (code designation • The specifications shown in the above table are for units without heaters. For units with heaters, refer to • Always perform grounding system installation work with •...
Page 106 '16 • PAC-T-240 11. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 11.1 Remote control (1) Wired remote control 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...
Page 107 '16 • PAC-T-240 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 108 '16 • PAC-T-240 Wireless remote control (FDT, FDE, FDU, FDUM, FDF series) (SRK series : Refer to the page 128) 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.
Page 109 '16 • PAC-T-240 11.2 Operation control function by the wired remote control 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 110 '16 • PAC-T-240 • Since it memorizes always the condition of remote control, it starts operation according to the contents of memory no sooner than normal state is recovered after the power failure. Although the auto swing stop position and the timer mode are cancelled, the weekly timer setting is restored with the holiday setting for all weekdays.
Page 111 '16 • PAC-T-240 Model RC-E5 Switching sequence of the operation mode switches of remote control CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power source reset. Power failure compensation function (Electric power source failure) •...
Page 112 '16 • PAC-T-240 11.3 Operation control function by the indoor control 11.3.1 FDT,FDE,FDU,FDUM,FDF series (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 113 '16 • PAC-T-240 (ii) R egardless 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 114 '16 • PAC-T-240 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 115 '16 • PAC-T-240 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 met, the hot start control is performed.
Page 116 '16 • PAC-T-240 Auto swing control (Only with auto swing) (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 117 '16 • PAC-T-240 Thermostat operation (a) Cooling (i) Thermostat is operated with the room temperature control. (ii) Thermostat is turned ON or OFF relative to the set room temperature as shown below. Thermostat ON Temperature drop Thermostat OFF Temperature rise Set room temperature (iii) Thermostat is turned ON when the room temperature is in the range of -1 <...
Page 118 '16 • PAC-T-240 (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 119 '16 • PAC-T-240 (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 120 '16 • PAC-T-240 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 121 '16 • PAC-T-240 (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 -50(FDU: -500) min less than the required speed, it stops with the anomalous stop (E20).
Page 122: Xr1 Xr2
'16 • PAC-T-240 (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 123 '16 • PAC-T-240 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 Unit B Unit B Remote Remote Remote Remote control OFF control ON control OFF control ON Note: The latest operation has priority...
Page 124 '16 • PAC-T-240 (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 125 '16 • PAC-T-240 (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 126 '16 • PAC-T-240 (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 127 '16 • PAC-T-240 (28) Energy-saving operation (RC-EX1A only) It operates with the setting temperature fixed at 28°C for cooling, 22°C for heating or 25°C for auto. (Maximum capacity is restricted at 80%.) (29) Warm-up control (RC-EX1A only) Operation will be started 5 to 60 minutes before use according to the forecast made by the microcomputer which calculates when the operation should be started in order to warm up the indoor temperature near the setting temperature at the setting time of operation start.
Page 128 '16 • PAC-T-240 (36) Peak-cut time (RC-EX1A only) Power consumption can be reduced by restricting the maximum capacity. Set the [Start time], the [End time] and the capacity limit % (Peak-cut %). ・ 4-operation patterns per day can be set at maximum. ・...
Page 129 '16 • PAC-T-240 11.3.2 SRK series (1) Operation control function by wireless remote control Operation section Transmission section OPERATION MODE select button ON/OFF (luminous) button Each time the button is pressed, the mode changes. Press to start operation, press again to stop.
Page 130 '16 • PAC-T-240 '09•SRK-DB-087D (2) Unit ON/OFF button wireless wireless (a) Operation (b) Details of operation COOL, DRY HEAT Function Indoor temperature Fan speed Flap/Louver Timer switch setting Operation mode COOL Unit ON/OFF button HEAT (3) Auto restart function Jumper wire (JA1) (ii) (JA1) (4) Installing two air-conditioners in the same room...
Page 131 '16 • PAC-T-240 (5) Selection of the annual cooling function Jumper wire (JA3) (a) The annual cooling function can be enabled or disabled by means of the jumper wire (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 132 ③ When the operation is retrieved from CLEAN or ALLERGEN CLEAR operation. (b) When the following operation are set, ECONOMY operation will be canceled. ① When the HI POWER/ECONO button is pressed again. '16 • PAC-T-240 ② When the operation mode is changed DRY to FAN. (c) Not operable while the air-conditioner is OFF.
Page 133 display Center installation Left Approx. 50° Left Approx. 20° Center Right Approx. 20° Right Approx. 50° '16 • PAC-T-240 (c) Swing (ii) In HEAT operation In COOL, DRY, FAN operation Approx. 5° Approx. 35° Approx. 60° Approx. 70° (d) Memory ﬂap (Flap or Louver stopped) '09•SRK-DB-087D (e) When not operating (9) 3D auto operation...
Page 134 Cooling Heating '16 • PAC-T-240 Flap Up/down swing Center (Fixed) Louver Cooling Heating Flap Horizontal blowing (Fixed) Slant forwardl blowing (Fixed) Wide (Fixed) Louver Operation mode Air flow direction contorol Indoor temp. – Setting temp. 2°C < = 2°C < Indoor temp. – Setting temp. 5°C <...
Page 135 (c) OFF timer operation '16 • PAC-T-240 (13) Installation location setting wireless (a) Setting If the air-conditioning unit is running, press the ON/OFF button to stop. Activating both up/down air swing and left/right air swing at the same time results in a multi-directional air flow. Activating both up/down air swing and left/right air swing at the same time results in a multi-directional air flow.
Page 136 AUTO 20-82rps 20-82rps 20-82rps 20-74rps '16 • PAC-T-240 20-50rps '09•SRK-DB-087D '09•SRK-DB-087D (ii) Hot keep operation fan speed However, if the fan speed setting is HI and room temperature is 19 or higher, this control is not executed. (15) Outline of cooling operation (15) Outline of cooling operation (a) Operation of major functional components in cooling mode (a) Operation of major functional components in cooling mode...
Page 137 15-77rps AUTO 15-77rps AUTO 15-77rps AUTO 15-77rps 15-77rps 15-77rps 15-62rps 15-62rps 15-62rps '16 • PAC-T-240 15-50rps 15-50rps 15-50rps 15-30rps 15-30rps 15-30rps (17) Outline of automatic operation (17) Outline of automatic operation (17) Outline of automatic operation (a) Determination of operation mode (a) Determination of operation mode (a) Determination of operation mode Cooling...
Page 138 '16 • PAC-T-240 (ii) Contents of operation Air capacity control Model SRK100ZR-S Item Upper limit of compressor’s command speed Range A: As per following table, Range B: 40 rps Note (1) Ranges A and B are as shown below. ● Condition for range A Compressor’s command speed is controlled according to the indoor Range B unit heat exchanger temperature (Th2) and the indoor unit room...
Page 139 '16 • PAC-T-240 11.4 Operation control function by the outdoor control Compressor command speed Unit: rps Cooling Heating Upper limit Lower limit Compressor protection start (a) Operating conditions: When the compressor is turned ON from the state of OFF. (b) Detail of operation: During the protection start control, the upper limit of compressor speed is restricted to the speeds as shown in the following table.
Page 140 '16 • PAC-T-240 Outdoor fan control at low outdoor temperature Cooling Operating conditions: When the outdoor air temperature (TH2) is 22ºC or lower continues for 30 seconds while the compressor command speed is other than 0 rps. Detail of operation: After the outdoor fan operates at A speed for 60 seconds; the corresponding outdoor heat exchanger temperature shall implement the following controls.
Page 141 '16 • PAC-T-240 (ii) Heating Operating conditions: When the outdoor air temperature (TH2) is 13ºC or higher continues for 30 seconds while the compressor command speed is other than 0 rps. Detail of operation: The outdoor fan stepped down to 3 speed.(Lower limit 2nd speed) Reset conditions: When either of the following conditions is satisfied The outdoor air temperature (TH2) is 11ºC or lower.
Page 142 '16 • PAC-T-240 (5) Cooling overload protective control (a) Operating conditions: Model FDC100VNP Item Outdoor air temperature Lower limit speed (b) Detail of operation Outdoor air temperature ( º (c) Reset condition: (6) Cooling high pressure control (a) Purpose: (b) Detector: (c) Detail of operation: (Example) Fuzzy After lapse of 30 sec.
Page 143 '16 • PAC-T-240 (8) Heating high pressure control (a) Starting condition: When the indoor heat exchanger temperature (Thi-R1, R2) has risen to a specified temperature while the compressor is turned on. (b) Compressor command speed is controlled according to the zones of indoor heat exchanger temperature as shown by the following table.
Page 144 '16 • PAC-T-240 Indoor heat exchanger temperature (ºC) (11) Heating low outdoor temperature protective control (a) Operating conditions : When the outdoor air temperature (TH2) is 4℃ or lower continues for 30 seconds while the compressor command speed is other than 0 rps. (b) Detail of operation : The lower limit compressor command speed is change as shown in the figure below.　...
Page 145 '16 • PAC-T-240 (14) Current cut (a) Purpose: Inverter is protected from overcurrent. (b) Detail of operation: Output current from the inverter is monitored with a shunt resistor and, if the current exceeds the setting value, the compressor is stopped immediately. Operation starts again after a delay time of 3 minutes.
Page 146 '16 • PAC-T-240 (20) Broken wire detection on temperature sensor (a) Outdoor unit heat exchanger sersor, outdoor air sensor If the following is detected for 5 second continuously within 2 minutes to 2 minutes and 20 seconds after the compressor ON, the compressor stops. After a delay of 3 minutes, it restarts but, if the same is detected repeatedly 3 times within 40 minutes, the compressor stops with the anomalous stop.
Page 147 '16 • PAC-T-240 12. MAINTENANCE DATA 12.1 FDT, FDE, FDU, FDUM, FDF series 12.1.1 Diagnosing of microcomputer circuit Selfdiagnosis function (a) Check indicator table Whether a failure exists or not on the indoor unit can be know by the contents of remote control error code, indoor unit green LED (power pilot lamp and microcomputer normality pilot lamp) or red LED (check pilot lamp).
Page 148 '16 • PAC-T-240 Remote control Indoor control PCB Reference Location of trouble Description of trouble Repair method Green page Error code Red LED Red LED LED (1) Fan motor • Defective by rotation speed of fan motor Replacement, repair 1(2)-time Keeps flash flashing...
Page 149 '16 • PAC-T-240 (iv) 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 •...
Page 150 '16 • PAC-T-240 ■ Error log and reset Error indicator Memorized error log Reset • Stop the unit by pressing the ON/OFF Remote control display • Higher priority error is memorized. switch of remote control. • If the unit has recovered from anomaly, it Red LED on indoor control PCB •...
Page 151 '16 • PAC-T-240 (i) Models FDT, FDE, FDU, 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 152 '16 • PAC-T-240 2) Power PCB a) Models FDT, FDE, FDUM series This PCB is a general PCB. Replace the PCB according to this instruction. This PCB is a general PCB. Replace the PCB according to this instruction. i) Replace the PCB i) Replace the PCB �...
Page 153 '16 • PAC-T-240 b) Model FDU series PSC012D021 This PCB is a general PCB. Replace the PCB according to this instruction. i)Replace the PCB � Unscrew terminal(Arrow A) of the "E2" wiring(yellow/green) that is connected to PCB. � Replace the PCB only after all the wirings connected to the connector are removed. �...
Page 154 '16 • PAC-T-240 (ii) Model FDF series PSB012D976D 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. a) Set to an appropriate address and function using switch on PCB. Select the same setting with the removed PCB.
Page 155 '16 • PAC-T-240 2) Power PCB PSB012D953G Part number Part number...
Page 156 '16 • PAC-T-240 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C Reserved Keep OFF SW5-1 Reserved Keep OFF SW5-2 SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4 Normal * /Test run...
Page 157 '16 • PAC-T-240 Check of anomalous operation data with the remote control (a) In case of RC-EX1A remote control [Operating procedure] ➀ On the TOP screen, touch the buttons in the order of “Menu” ➝ “Next” ➝ “Service & Maintenance” ➝ “Service password” ➝ “Set”...
Page 158 '16 • PAC-T-240 (b) In case of RC-E5 remote control Number Data Item Operation data can be checked with remote control unit operation. (Operation Mode) (Set Temperature) ➀ Press the button. (Return Air Temperature) The display change “ ” (Remote Control Thermistor Tempeature) ➁...
Page 159 '16 • PAC-T-240 Outdoor unit control failure diagnosis circuit diagram ◆Check point of outdoor unit CAUTION- HIGH VOLTAGE High voltage is produced in the control box. Don't touch electrical parts in the control box for 5 minutes after the unit is stopped. ◆Power source and serial signal inspection Color symbol : AC220/230/240V...
Page 160: Table Of Contents
'16 • PAC-T-240 12.1.2 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 161: Operates But Does Not Cool
'16 • PAC-T-240 Troubleshooting Green Error code Content None Operates but does not cool Remote control: Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature difference between return and supply air.
Page 162: Operates But Does Not Heat
'16 • PAC-T-240 Green Content Error code None Operates but does not heat Remote control: Keeps flashing Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature difference between return and supply air. It is normal.
Page 163: Earth Leakage Breaker Activated
'16 • PAC-T-240 Green Content Error code None Earth leakage breaker activated Remote control: Stays OFF Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are OK the insulation resistance and Replace compressor. coil resistance of compressor? 2.
Page 164: Excessive Noise/Vibration
'16 • PAC-T-240 Green Content Error code None Excessive noise/vibration (1/3) Remote control: – – Indoor 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- after stopping operation...
Page 165: Excessive Noise/Vibration
'16 • PAC-T-240 Green Content Error code None Excessive noise/vibration (2/3) Remote control: – – Indoor 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 166: Excessive Noise/Vibration
'16 • PAC-T-240 Green Content Error code None Excessive noise/vibration (3/3) Remote control: – – Indoor 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/ cooling/heating operation is in...
Page 167: Louver Motor Failure (Fdt, Fde, Fdf Series)
'16 • PAC-T-240 Green Content Error code Louver motor failure None Remote control: Keeps flashing Stays OFF Indoor (FDT, FDE, FDF series) 5. Troubleshooting 1. Applicable model FDT, FDE, FDF series only Diagnosis Countermeasure � Check at the indoor unit side. Operate after waiting for more than 1 minute.
Page 168: Power Source System Error (Power Source To Indoor Control Pcb)
'16 • PAC-T-240 Green Error code Content Power source system error Remote control: None (Power source to indoor control PCB) Indoor Stays OFF Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220-240V detected between � and � on the terminal block of indoor unit? AC220-240V...
Page 169 '16 • PAC-T-240 Green Content Error code Power source system error None Remote control: (Power source to remote control) Keeps flashing Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct. loose connection of remote control wires? 2.
Page 170: Inspect I/U (When 1 Or 2 Remote Controls Are Connected)
'16 • PAC-T-240 Green Content Error code INSPECT I/U INSPECT I/U Remote control: Keeps flashing Stays OFF Indoor (When 1 or 2 remote controls are connected) 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control connected? ⑴，...
Page 171: Inspect I/U (Connection Of 3 Units Or More Remote Controls)
'16 • PAC-T-240 Green Content Error code INSPECT I/U INSPECT I/U Remote control: Keeps flashing Stays OFF Indoor (Connection of 3 units or more remote control) 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less. 3 units of remote control connected? Does remote...
Page 172: Communication Error At Initial Operation
'16 • PAC-T-240 Green Error code Content Communication error at Remote control: WAIT initial operation (1/3) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control LCD displays “ ” 2 WAIT minutes after the power on.
Page 173 '16 • PAC-T-240 Green Error code Content Communication error at Remote control: WAIT initial operation (2/3) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the fuse is blown, the method to inspect outdoor PCB before replacing the power From previous page source fuse...
Page 174 '16 • PAC-T-240 Green Error code Content Communication error at Remote control: WAIT initial operation (3/3) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control display is extinguished after the power on. Remote control display is extinguished after the power on.
Page 175: Remote Control Communication Circuit Error
'16 • PAC-T-240 Green Content Error code Remote control Remote control: Keeps flashing Stays OFF Indoor communication circuit error 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Malfunction by noise Is it possible to Check peripheral reset normally by the power source reset? environment.
Page 176: E5 Communication Error During Operation
'16 • PAC-T-240 Green Content Error code Communication error during operation Remote control: Keeps flashing 2-time flash Indoor 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 177: E6 Indoor Heat Exchanger Temperature Thermistor Anomaly
'16 • PAC-T-240 Green Content Error code Indoor heat exchanger Remote control: temperature thermistor anomaly Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of indoor heat Correct. ➞ Insert connector exchanger temperature thermistor securely.
Page 178: E7 Return Air Temperature Thermistor Anomaly
'16 • PAC-T-240 Green Content Error code Return air temperature Remote control: thermistor anomaly Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of return Correct. ➞ Connect air temperature thermistor connector. connector OK? 2.
Page 179: E8 Heating Overload Operation
'16 • PAC-T-240 Green Content Error code Heating overload operation Remote control: Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the air filter clogged? Wash. 2. Error detection method Is the Defective indoor heat indoor heat exchanger exchanger temperature temperature thermistor...
Page 180: Drain Trouble (Fdt, Fdu, Fdum Series)
'16 • PAC-T-240 Green Content Error code Drain trouble Remote control: (FDT, FDU, FDUM series) Indoor Keeps flashing 1-time flash 5. Troubleshooting 1. Applicable model FDT, FDU, FDUM series only Diagnosis Countermeasure Check the error data in the remote control. Is there any overflow? Is DC 12V at CNI connector.
Page 181: E10 Excessive Number Of Connected Indoor Units (More Than 17 Units) By Controlling With One Remote Control
'16 • PAC-T-240 Excessive number of connected Green Content Error code indoor units (more than 17 units) Remote control: Keeps flashing Stays OFF Indoor by controlling with one remote control 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Aren't more than 17 Defective remote control indoor units connected to one ➞...
Page 182: Address Setting Error Of Indoor Units
'16 • PAC-T-240 Green Content Error code Address setting error of Remote control: Indoor indoor units Keeps flashing Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E11 occurs Is “Indoor unit address set” function of remote 2. Error detection method control used? Indoor unit address has been set using the “Indoor unit address...
Page 183: Indoor Fan Motor Anomaly
'16 • PAC-T-240 Green Content Error code Indoor fan motor anomaly Remote control: Keeps flashing 1(2)-time flash Indoor Note(1) Value in ( ) is for the FDU, FDUM series FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material Remove foreign material.
Page 184: E19 Indoor Unit Operation Check
'16 • PAC-T-240 Green Content Error code Indoor unit operation check Remote control: Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Defective indoor control Is SW7-1 PCB (Defective SW7) on the indoor control ➞...
Page 185: E20 Indoor Fan Motor Rotation Speed Anomaly
'16 • PAC-T-240 Green Content Error code Indoor fan motor rotation speed anomaly Remote control: Keeps flashing 1(2)-time flash Indoor Note(1) Value in ( ) is for the FDU, FDUM series FMI2 only. 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any...
Page 186 '16 • PAC-T-240 Green Content Error code Defective panel switch Remote control: operation (FDT series) Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model FDT series only Diagnosis Countermeasure Reset the error and close Is grill opened? the grill. Does matter improve if panel 2.
Page 187: E28 Remote Control Temperature Thermistor Anomaly
'16 • PAC-T-240 Green Content Error code Remote control Remote control: temperature thermistor anomaly Keeps flashing Stays OFF Indoor 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? control temperature thermistor Detection of anomalously low...
Page 188: Cooling Overload Operation
'16 • PAC-T-240 Green Error code Content Remote control: Cooling overload operation Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature Are normal sensor, refer to E37. the characteristics of Replace outdoor heat outdoor heat exchanger...
Page 189: E36 Discharge Pipe Temperature Error
'16 • PAC-T-240 Green Error code Content Discharge pipe temperature error Remote control: Indoor Keeps flashing Stays OFF 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 190 '16 • PAC-T-240 Green Error code Content Outdoor heat exchanger Remote control: temperature sensor anomaly Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the outdoor heat exchanger temperature Correct connector. sensor connector connected properly? 2.
Page 191 '16 • PAC-T-240 Green Error code Content Outdoor air temperature Remote control: sensor anomaly Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the outdoor air Correct connector. temperature sensor connector connected properly? For the characteristics of outdoor air temperature sensor, see the following graph.
Page 192 '16 • PAC-T-240 Green Error code Content Discharge pipe Remote control: temperature sensor anomaly Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the discharge pipe temperature sensor Correct connector. connector connected properly? 2. Error detection method For the characteristics of discharge pipe Are the temperature sensor, see the following graph.
Page 193 '16 • PAC-T-240 Green Error code Content Remote control: Current cut (1/2) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Power source Check power source. voltage OK? 2. Error detection method Are the Open the service valves.
Page 194 '16 • PAC-T-240 Green Error code Content Current cut (2/2) Remote control: Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Is the checked result of power Defective outdoor control transistor module PCB ➞...
Page 195 '16 • PAC-T-240 Green Error code Content Remote control: Active filter voltage error Indoor Keeps flashing Stays OFF 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 196: E48 Outdoor Fan Motor Anomaly
'16 • PAC-T-240 Green Error code Content Remote control: Outdoor fan motor anomaly Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material intervene Remove foreign matter. in rotational area of fan propeller? 2.
Page 197 '16 • PAC-T-240 Green Green Error code Error code Content Content Power transistor anomaly Remote controller: E51 Remote control: Power transistor error Indoor Keeps flashing Stays OFF Keeps flashing Stays Off Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check soldered surfaces on the outdoor control PCB for...
Page 198 '16 • PAC-T-240 Green Error code Content Insufficient refrigerant amount Remote control: or detection of service valve closure Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Open fully. service valve fully opened? Are the connections of indoor heat exchanger and/or return air...
Page 199 '16 • PAC-T-240 Green Green Error code Error code Content Content Current safe stop Keeps flashing Stays Off Indoor Current safe stop Remote controller: E58 Remote control: Indoor Keeps flashing Stays OFF (Model SRC40 - 60) 3 time flash Outdoor ―...
Page 200 '16 • PAC-T-240 Green Error code Content Compressor startup failure Remote control: Indoor Keeps flashing Stays OFF 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 Replace outdoor fan motor...
Page 201 '16 • PAC-T-240 Green Error code Content Compressor rotor lock error Remote control: Indoor Keeps flashing Stays OFF 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. 2.
Page 202 '09•SRK-DB-087D '16 • PAC-T-240 Reference Reference 12.2 SRK series 2 TROUBLESHOOTING PROCEDURES FOR ELECTRICAL EQUIPMENT This chapter has described about an indoor unit. Look at 12.1 chapters about the outdoor unit. (1) Cautions (2) Items to check before troubleshooting source (3) Troubleshooting procedure (If the air-conditioner does not run at all) Important source...
Page 203 '09•SRK-DB-087D '16 • PAC-T-240 (4) Troubleshooting procedure (If the air-conditioner runs) 204 - 210. 204 - 210.
Page 204 '16 • PAC-T-240 Self-diagnosis table When this air-conditioner performs an emergency stop, the reason why the emergency stop occurred is displayed by the flashing of display lights. If the air-conditioner is operated using the remote control 3 minutes or more after the emergency stop, the trouble display stops and the air-conditioner resumes operation.
Page 205 '09•SRK-DB-087D '16 • PAC-T-240 (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 controller. These are the contents of error displays and protective stops which occurred in the past in the air- conditioner system.
Page 206 '09•SRK-DB-087D '16 • PAC-T-240 4-time flash 2-time flash. wireless mode mode Self-diagnosis data wireless mode mode Wireless remote control setting Contents of output data Operation mode Fan speed mode wireless Indicates the number of Wireless remote control setting occasions previous to the present Temperature setting the error display data are from.
Page 207 '09•SRK-DB-087D '16 • PAC-T-240 (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 208 '16 • PAC-T-240 Error code, stop code table (Assignment of error codes and stop codes is done in common for all models.) Number of flashes when in service mode Stop coad Error Auto TIMER Error content Cause Occurrence conditions display recovery Error coad light...
Page 209 '09•SRK-DB-087D '16 • PAC-T-240 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 210 '09•SRK-DB-087D '16 • PAC-T-240 (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 211 '09•SRK-DB-087D '16 • PAC-T-240 (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 212 '09•SRK-DB-087D '16 • PAC-T-240 Service data record form Wireless r Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless 205)
Page 213 '09•SRK-DB-087D '16 • PAC-T-240 (7) Inspection procedures corresponding to detail of trouble Sensor error Broken sensor wire, connector poor connection Sensor temperature characteristics (Room Discharge pipe sensor temperature characteristics temp., indoor heat exchanger temp., out- door heat exchanger temp., outdoor air temp.) - 10 Temperature (˚C)
Page 214 '16 • PAC-T-240 Error of signal transmission Wiring error including power cable, defective indoor/ outdoor control PCB ② ③ control ② ③ control ① ② control...
Page 215 '16 • PAC-T-240 (8) Phenomenon observed after shortcircuit, wire breakage on sensor 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 Heating '09•SRK-DB-087D ■...
Page 216 blocks ② and ③ oscillating between control PCB. DC 0 and 20V? '16 • PAC-T-240 Indoor electrical components are normal. (b) Indoor unit fan motor check procedure control 1) Indoor control PCB output check control ① ④ ⑤ control DC several V (–) DC 308~336V (4~6 V)
Page 217 Operation SW ON Measure in this section '16 • PAC-T-240 (10) How to make sure of wireless remote control wireless wireless wireless wireless wireless wireless Simplified check methd of wireless remote control It is normal if the signal transmission section of the wireless remote control emits a whitish light at each transmission on the monitor of digital camera.
Page 218 '16 • PAC-T-240 13. OPTION PARTS 13.1 Wireless kit (1) FDT series (RCN-T-36W-E) PJF012D010 Notes : WIRELESS KIT INSTALLATION MANUAL Following functions of indoor unit series are not able to be set with this wireless remote control (RCN-TC-36W-E). 1. Individual flap control system 2.
Page 219 '16 • PAC-T-240 Remote control Wireless remote control's operable area ① Standard reachable area of the signal Installation of the control holder [condition] Illuminance at the receiver: 300lux (when no lighting is installed within 1m of the receiver in an ordinary office.) Caution Ceiling surface DO NOT install it on the following places...
Page 220 '16 • PAC-T-240 (2) FDE series (RCN-E-E) PFA012D619A Notes : Following functions of indoor unit series are not able to be set with this wireless remote control (RCN-E-E). 1. Flap control system WIRELESS REMOTE CONTROLLER INSTALLATION MANUAL 2. 4-fan speed setting (P-Hi/Hi/Me/Lo) → 3-fan speed setting (Hi/Me/Lo) WARNING ...
Page 221 '16 • PAC-T-240 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 222 '16 • PAC-T-240 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 The receiver wires must be connected only with the indoor unit that will be operated by the remote control directly.
Page 223 '16 • PAC-T-240 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 224 '16 • PAC-T-240 3.1 WIRELESS KIT (RCN-KIT3-E) (3) FDU, FDUM, FDF series (RCN-KIT3-E) Notes: ③ How to install the receiver Following functions of indoor unit series are not able to be set with this wireless remote control (RCN-KIT3-E). 1. 4-fan speed setting (PHi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) The following two methods can be used to install the receiver onto a ceiling or a wall.
Page 225 '16 • PAC-T-240 ④ Remote control (B) Control plural indoor units with one remote control Up to 16 indoor units can be connected. Installation of the control holder ①Connect the XY terminal with 2-core wire. Restrictions on the thickness and length of wire As for the size, refer to the following note.
Page 226 '16 • PAC-T-240 13.2 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. 4-fan speed setting (PHi/Hi/Me/Lo) 3-fan speed setting (Hi/Me/Lo) Names and functions of sections Remote control sensor ON/OFF button Operation/Inspection lamp...
Page 227 '16 • PAC-T-240 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 228 '16 • PAC-T-240 In case of exposing cord Simple Remote Control Installation Manual PJZ012D069 ⑴ M ake certain to remove a screw on the bottom surface of the remote control. Read together with indoor unit's installation manual. WARNING ⑴ ● F asten 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 229 '16 • PAC-T-240 3. Master/ slave setting when more than one remote control are used ⑴ U p to two remote controls can be connected to one unit (or one group) of indoor unit. Switch Setting Function detail Slave remote control indoor unit SW1-1 Master remote control...
Page 230 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 M ount the upper case for restoring to its former state so as not to crimp the remote control cord, Under 400m･････････････････1.25mm ×...
Page 231 ct failure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while × 2 cores data is read) Then, the return air temperature is displayed. When AIR CON No. is pressed, return × 2 cores to the indoor unit selection display (example, “U 000”).
Page 232 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 233 '16 • PAC-T-240 (3) Installation Points (a) 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. (b) Install the rail on both inner sides of the duct with the screw.
Page 234 '16 • PAC-T-240 13.4 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 235 '16 • PAC-T-240 Installation of the interface ・Install the interface within the range of the connection cable length (approximately 1.3m) from the indoor unit. Wiring inlet ・Be sure not to extend the connection cable on site. If the connection cable is extended, malfunction may occur. ・Fix the interface on the wall, pillar or the like.
Page 236: Not Allowed
'16 • PAC-T-240 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 237 '16 • PAC-T-240 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 238 '16 • PAC-T-240 13.5 Superlink E board (SC-ADNA-E)
Page 239 '16 • PAC-T-240 Keeps flashing 1-time Keeps flash flashing 2-time Keeps flash flashing 3-time Keeps flash flashing Keeps 4-time flash flashing Keeps flashing...
Page 240 '16 • PAC-T-240 13.6 Base heater kit (CW-H-E1) PCZ012D007B INSTALLATION MANUAL FOR BASE HEATER KIT Bracket A Tapping screw (OD5) Tapping screw (OD4) Heater Plastic band with clip Plastic band without clip ① Bracket B Bracket C This heater kit is applicable for 3 different models. <Model B>...
Page 241 '16 • PAC-T-240 2. Remove the service panel (3 places) (4 places) (4 places) Model A Model B Model C 3. Remove the front panel Pull the panel straightforward so that the panel doesn’t touch the fan blade. (7 places) (11 places) (16 places) Model A...
Page 242 '16 • PAC-T-240 6. Put the heater underneath the heat exchanger and align the end of heater with the end plate of heat exchanger. 7. Fix the heater with brackets. For model A, use 3 pcs of bracket A, 1pc of bracket B and C.
Page 243 '16 • PAC-T-240 8. Insert the plastic band with clip on the designated 1) Do not fasten the heating part with the 2) When the heater is laid down correctly, place (2 places), and ﬁx the heater.(Model B,C only) plastic band. the end of heating part comes to the There is a marking on the end of heating corner of the base.
Page 244 '16 • PAC-T-240 10.Insert the connector to the port (Model Be sure to cut the excess part of plastic band. A:CNN, Model B,C:CNF) on the PCB, and ﬁx It may cause abnormal noise when hit by fan blade or misassembling of panels. the wire with bands.
Page 245 '16 • PAC-T-240 12. Reassemble the panels. [ Model A ] Front panel Service panel Top panel [ Model B ] Front panel Service panel Top panel [ Model C ] Front panel Service panel Top panel 1) When reassembling the service panel, take care not to damage the front panel with the edge. 2) Top panel of model B and model C is ﬁxed with two different screws.
Page 246 '16 • PAC-T-240 Applicable model Components Bracket A Model name : FDC100VNP Tapping screw (OD5) Heater : 1pc ● <Model D> Tapping screw (OD4) Bracket A : 4pcs Heater ● Single fan model Plastic band with clip : 1pcs ( ※ 1) Bracket B ●...
Page 247 '16 • PAC-T-240 Step 8 8. Insert the plastic band with clip on the designated <Note> place (3 places), and fix the heater. 2) When the heater is laid down 1) Do not fasten the heating part with the plastic band.
Page 248 Rated air flow(outdoor) 4500 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 PJF000Z314...
Page 249 Rated air flow(outdoor) 4500 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 PFA004Z024...
Page 250 Rated air flow(outdoor) 4500 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 PJG000Z160...
Page 251 Rated air flow(outdoor) 4500 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 PJG000Z159...
Page 252 Rated air flow(outdoor) m3/h Contact details for obtaining Name and address of the manufacturer or of its authorised representative. more information Mitsubishi Heavy Industries Air-Conditioning Europe, Ltd. 7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom PGA000Z812...
Page 253 Rated air flow(outdoor) 4500 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 RWA000Z262...
Page 254 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. 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. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

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