SPLIT-TYPE, COOLING AIR CONDITIONERS No. …

1 TECHNICAL & SERVICE MANUALSPLIT-TYPE, COOLING AIR CONDITIONERSCONTENTS1. PART NAMES AND FUNCTIONS 22. SPECIFICATIONS 43. DATA 94. OUTLINES AND DIMENSIONS 165. WIRING DIAGRAM 216. REFRIGERANT SYSTEM DIAGRAM 227. TROUBLE SHOOTING 278. FUNCTION SETTING 409. SYSTEM CONTROL 4610. DISASSEMBLY PROCEDURE 6011. PARTS LIST 6512. RoHS PARTS LIST 7313.

2 OPTIONAL PARTS 81 Indoor OC382 REVISED EDITION-B[Model names] [Service Ref.]INDOOR UNITC eiling SuspendedSeries PCREMOTE CONTROLLERF ebruary 2008ON/OFF : This manual does not cover the out-door units. When serving outdoorunits, please refer to the service man-ual , OC206, OC353,OCH/OCB414, OCH/OCB431 andthis manual in a set. RoHS compliant products have <G>mark on the spec name plate. For servicing RoHS compliant prod-ucts, refer to the RoHS Parts : Combination of outdoor units (PU-3/4 VAKR type) has been added inREVISED EDITION-B. Some descriptions have been modified.

3 Please void OC382 8:28 AM Page 121 PART NAMES AND FUNCTIONSl Indoor UnitAir outletIntake grilleAir intakeLeft/right guide vanesChange the direction of airflowfrom the horizontal filterRemoves dust and foreign matter from air coming inthrough the grille (Recommended cleaning interval :Approx, every 2,500 operating hours).Up/down guide vanesChange the direction of airflow from thevertical setting buttons Down UpTimer Menu button(Monitor/Set button)Mode button (Return button)Set Time buttons Back AheadTimer On/Off button(Set Day button)Opening thelidON/OFF buttonFan Speed buttonFilter button(<Enter> button)Test Run buttonCheck button (Clear button)Airflow Up/Down buttonLouver button( Operation button)To return operationnumberVentilation button( Operation button)

4 To go to next operationnumberOnce the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF Wired remote 8:28 AM Page 23 F C F CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI OFFllDisplay SectionFor purposes of this explanation,all parts of the display are shownas lit. During actual operation, onlythe relevant items will be the current operation Shows the operating mode, etc.*Multilanguage display is available. Centrally Controlled indicatorIndicates that operation from the remote controller has been prohib-ited by a master controller.

5 Timer is Off indicatorIndicates that the timer is SettingShows the target the current day of the DisplayShows the current time, unless the simple or Auto Offtimer is the simple or Auto Off timer is set, the time to be switched off is shown. Sensor indicationDisplayed when the remote controllersensor is used. Locked indicatorIndicates that remote controller but-tons have been locked. Clean The Filter indicatorTo be displayed on when it is time to clean the indicatorsThe indicator comes on if the corre-sponding timer is Air Direction indica-torThe indicator shows the direc-tion of the outcoming airflow.

6 One Hour Only indicatorRoom Temperature displayShows the room temperature. The roomtemperature display range is 8 39:.The display blinks if the temperatureis less than 8: or 39: or displayIndicates the action of the swing not appear if the louver is notrunning. (Power On indicator)Indicates that the power is Speed indicatorShows the selected fan indicatorAppears when the unit is running inVentilation : PLEASE WAIT messageThis message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a powerfailure. NOT AVAILABLE messageThis message is displayed if an invalid button is pressed (to operate a function that the indoor unit does not have).

7 If a single remote controller is used to simultaneously operate multiple indoor units that are different types , this message will not be displayed asfar as any of the indoor units is equipped with the if the airflow is set toLow or downward during COOLor DRY mode. (Operation variesaccording to model.)The indicator goes off in 1 hour,when the airflow direction 8:28 AM Page 342 SPECIFICATIONSN otes :w1. Rating condition (JISB8616)Indoor: 27OC (80OF) , 19OC (66OF) Outdoor : 35OC (95OF) , 24OC (75OF) Refrigerant piping length (one way) : 5m (16ft)w2. Total input based indicated voltage (In/Out)w3.

8 The capacity of crankcase heater (W) shows thecase of Rating condition (SSA385, 386)Indoor: 29OC (84OF) , 19OC (66OF) Outdoor : 46OC (115OF), 24OC (75OF) Refrigerant piping length (one way ) : 5m (16ft)w5. Inner thermostat, HP switch, LP switchw6. Thermal switch, Reversed-phase protector, HP switch,LP switch, Thermal relayw7. Thermal switch, HP switch, LP switch, Inner thermostatw8. Thermal switch, HP switch, Inner thermostatw9. PU-3J-type , , PU-4 JSA-type , , STANDARD SPECIFICATIONSS ervice finishFan motor outputAirflow Low-HighExternal static pressureOperation control & ThermostatNoise level Low-HighCond.

9 Drain connector DimensionsWeightService Ref. External finishRefrigerant (R-22) controlCrankcase Heater w3 Compressor outputProtection devicesFan motor outputAirflowNoise levelDimensionsWeightWBtu/hWBtu/hWBtu/hK /minCFMK/minCFMPa(mmAq)dBdBmm(in.)mm(in. )mm(in.)mm(in.)kg(lbs.)WkWkWK/min(CFM)K/ min(CFM)dBmm(in.)mm(in.)mm(in.)kg(lbs.) (Direct blow)Remote control & Built-inMunsell tube295+24 (11-5/8 add 1)10,30035,20011,40039,0009,30031, (1)1310 (51-9/16)680 (26-3/4)270 (10-5/8)37 (82)w10 PU-4 JSA-type32 (V)/w6(Y,T) + (3352)95 (3352)54/55870 (34-1/4)1258 (49-1/2)94 (207) COOLING capacity w1 COOLING capacity w4 Total input (50/60Hz) w2 ItemService ,60025,9008,20028,0006,50022, (1)1310 (51-9/16)680 (26-3/4)210 (8-1/4)34 (75)w9 PU-3J-type32 (1765)50 (1765)52/53870 (34-1/4)850 (33-7/16)73 (161)PC-3 GAKD6,50022,2007,00023,9006,20021, (1)1310 (51-9/16)680 (26-3/4)210 (8-1/4)34 (75) (1765)50 (1765)52/53870 (34-1/4)

10 850 (33-7/16)71 (157) ,60019,1005,60019,1004,30014, (1)1000 (39-3/8)680 (26-3/4)210 (8-1/4)27 (60) (1588)45 (1588)49/50870 (34-1/4)650 (25-5/8)60 (132)PC-2 GAKDI ndoor unitOutdoor unitModelsPC-2, ,3PC-4,5,650Hz1ph220V / 1ph220V1ph220V / 3ph380V60Hz1ph220V / 1ph220V1ph220V / 8:28 AM Page 45 Service finishFan motor outputAirflow Low-HighExternal static pressureOperation control & ThermostatNoise level Low-HighCond. drain connector DimensionsWeightService Ref. External finishRefrigerant (R-22) controlCrankcase Heater w3 Compressor outputProtection devicesFan motor outputAirflowNoise levelDimensionsWeightWBtu/hWBtu/hWBtu/hK /minCFMK/minCFMPa(mmAq)dBdBmm(in.)