TECHNICAL & SERVICE MANUAL Ceiling
Contents
1. Cooling capacity SSA 4 6 500 Btu h 22 200 Total input 2 kW 3 30 3 60 4 25 1 4 Service Ref PC 3GJA2 External finish Munsell 0 7Y 8 59 0 97 Fan motor output kW 0 07 m min 18 14 Airflow Hi Lo 635 494 m min 18 14 CFM 635 494 External static pressure 0 Direct blow Operation control amp Thermostat Indoor unit Remote control amp Built in Noise level high low 43 37 43 37 Unit drain pipe I D 26 1 210 8 1 4 Dimensions 1310 51 9 16 680 26 3 4 Weight 34 75 Service Ref PU 3VJC PU 3YJC PU 3NJA PU 3VJB PU 3YJB External finish Munsell 5Y 7 1 Refrigerant R 22 control Capillary tube Crankcase heater 3 50 60Hz 32 38 Compressor output 50 60Hz kW Protection devices x5 Fan motor output kW 0 085 Airflow 50Hz m min CFM 50 1765 Outdoor unit 60Hz m min CFM 50 1765 Noise level 50 60 2 dB 52 53 870 34 1 4 Dimensions mm in 295424 11 5 8 add 1 mmi in 850 33 7 16 Weight kg Ibs Notes 73 161 1 Rating conditions JIS B8616 GB T 7725 96 Indoor D B 27 C W B 19 C Outdoor D B 35 C W B 24 C Refrigerant piping length one way 5m 16ft 2 Total input based on indicated v2. Outdoor side The unit of pressure has been changed to MPa based on Sl International System of unit in accordance with I S O International Organization for Standardization The conversion factor is 1 MPa z10 2 kgf 3 OUTLET AIR SPEED AND COVERAGE RANGE Configuration Ceiling suspended Service Ref PC 3GJA2 Airflow 18 Air speed 3 8 Coverage 10 4 range 34 5 Airflow 18 Air speed 3 8 Coverage range The air coverage range is the value up to the position where the air speed is 0 25 m sec when air is blown out horizontally from the unit at Hi notch position The coverage range should be used as a general guide line since it varies according to the size of the room and furniture inside the room 4 REFRIGERANT SYSTEM DIAGRAM PC 3GJA2 PU 3VJC UNIT mm inch OUTDOOR UNIT INDOOR UNIT PC 3GJA2 Refrigerant pipe 15 88 5 8 PU 3VJC Indoot heat with insulator option PU 3YJC exchanger Flexible tube strainer Outdoor heat 9 Switch High pressure exchanger Switch Check plug Charge plug Flared connection i Em Compressor Flared connection Indoor coil thermistor RT2 Accumulator XXCapillary tube O D 3 2 1 8 800 Distributor with strainer D P R Discharge pressure
3. BEARING SUPPORT T7W 20J 675 FAN GUARD T7W 21J 675 FAN GUARD T7W 18J 675 FAN GUARD R01 4 126 PIECE MOTOR lt lt eC ELECTRICAL PARTS PC 3GJA PC 3GJA PC 3GJA Q ty set Wiring Recom Part No Part Name Specification PC 3 disi Diagram mended GJA GJA GUA2 Drawing No symbol T7W 27K 310 INDOOR CONTROLLER BOARD T7W 520 239 FUSE 250V 6 3A T7W 23J 260 TRANSFORMER CONTROL BOX T7W 39J 255 FAN MOTOR CAPACITOR T7W 521 716 TERMINAL BLOCK 3P L N G T7W 512 716 TERMINAL BLOCK 2P 1 2 BOX COVER T7W 20K 200 REMOTE CONTROLLER BOARD T7W 139 305 REMOTE CONTROLLER CORD F1 2 lt I B gt T BGOON015G12 BG02A804G13 h l en STRUCTURAL PARTS PC 3GJA PC 3GJA 18 23 10 2227 Part numbers that are circled not shown in the figure Q ty set Part No Part Name Specification PC 3 GJA GJA2 1 Wirin Remarks Dlagram Drawing No Symbol lt R01 17 661 RIGHT SIDE PANEL R01 17J 662 LEFT SIDE PANEL R01 A14 500 L L FILTER R01 29J 676 REAR PA
4. 0 W Btu h x 3 4 kcal h W x 0 86 C F Correction factors of Total input Indoor unit input Outdoor unit input 2 F 32 3 2 rs oo Lower limit Indoor D B 21 C 70 W B 15 5 C 60 Outdoor D B 21 C 70 Guaranteed operating range cooling Upper limit Indoor D B 35 C 95 W B 22 5 C 72 5 Outdoor D B 52 C 125 5 PU JC D B 46 C 115 PU JB Cooling Capacity Correction Factors 50Hz Refrigerant piping length one way 10m 33 15m 497 20m 66ft 25m 827 30m 98ft 35m 115ft 40m 131 ft 45m 1481 50m 164 ft PC 3GJA2 0 978 0 962 0 948 0 934 0 921 Service Ref 2 STANDARD OPERATION DATA Service Ref PC 3GJA2 MODE Cooling Capacity Input Indoor unit service Ref Phase Hz 1 50 1 50 Volts 220 220 Amperes 0 51 0 51 Outdoor unit service Ref PU 3VJC PU 3VJB Electical circuit Phase Hz Volts Amperes MPa Discharge pressure kgf cm MPa Suction pressure kgf cm Discharge temperature Condensing temperature Refrigerant circuit Suction temperature C Ref pipe length m D B Intake air temperature W B Indoor side Discharge air temperature D B D B Intake air temperature W B
5. 2 F 7 6 1 00 7 5 1 00 95 F 19 4 C 67 F 7 7 1 00 7 6 1 00 20 C 68 F 7 8 1 01 7 7 1 01 22 C 71 6 F 8 4 1 04 8 3 1 04 16 C 60 8 F 6 6 1 03 6 5 1 03 18 C 64 4 F 7 0 1 06 6 9 1 06 40 C 19 C 66 27 7 3 1 07 7 2 1 07 104 F 19 4 C 67 F 74 1 08 73 1 08 20 C 68 F 75 1 08 7 4 1 08 22 C 71 6 F 8 0 1 11 7 9 1 11 16 C 60 8 F 6 5 1 04 6 5 1 04 18 C 64 4 F 7 0 1 06 6 9 1 06 40 6 C 19 C 66 2 7 2 1 08 74 1 08 105 F 19 4 C 67 F 7 3 1 08 7 2 1 08 20 C 68 F 7 5 1 09 7 4 1 09 22 C 71 6 F 8 0 1 12 7 9 1 12 16 C 60 8 F 6 3 1 10 6 2 1 10 18 C 64 4 F 6 7 1 12 6 6 1 12 45 C 19 C 66 2 6 9 1 14 6 8 1 14 113 F 19 4 C 67 F 7 0 1 15 6 9 1 15 20 C 68 F 7 2 1 16 7A 1 16 22 C 71 6 77 1 20 7 6 1 20 16 60 8 F 6 2 1 11 6 1 1 11 18 64 4 F 6 6 1 14 6 5 1 14 46 C 19 C 66 2 6 9 115 6 8 115 115 F 19 4 C 67 F 7 0 1 16 6 9 1 16 20 C 68 F 7A 1 17 7 0 1 17 22 C 71 6 F 7 6 1 21 75 1 21 16 C 60 8 F 5 9 1 16 18 C 64 4 F 6 4 1 19 50 F 19 C 66 2 F 6 6 1 21 122 F 19 4 C 67 F 6 7 1 22 20 C 68 F 6 8 1 23 22 C 71 6 F 7 3 1 28 16 C 60 8 F 5 8 1 19 18 C 64 4 F 6 2 1 22 52 C 19 C 66 2 F 6 4 1 24 125 5 F 19 4 C 67 F 6 5 1 25 20 C 68 F 6 7 1 26 22 C 71 6 F 7 2 1 31 Evaporator airflow m min 18 18 Bypass factors 0 08 0 08 S H F at rating conditions 0 73 0 73 Notes 1 T C Total capacity 1
6. 5 386 Outdoor D B 46 C 115 W B 24 C 75 PC Series Indoor Unit Single Phase Power supply 1 Phase N 220V 60Hz Service Ref PC 3GJA2 Current 0 70 Input 0 16 Starting current 1 11 Outdoor unit PU 3 3 DATA 1 PERFORMANCE DATA Cooling capacity 50Hz 2 PC 3GJA2 Service Ret PU 3VJC PU 3YJC PU 3VJB PU 3YJB Temperature T C C F T C C F Outdoor D B Indoor W B T L 1 16 C 60 8 F 7 6 0 81 7 5 0 81 18 C 64 4 F 8 1 0 82 8 0 0 82 21 C 19 C 66 2 8 4 0 83 8 3 0 83 69 8 F 19 4 C 67 F 8 5 0 83 8 4 0 83 20 C 68 F 8 6 0 84 8 5 0 84 22 C 71 6 F 9 1 0 86 9 0 0 86 16 C 60 8 F 7 5 0 84 74 0 84 18 C 64 4 F 7 9 0 85 78 0 85 25 C 19 C 66 2 F 8 2 0 86 8 1 0 86 77 F 19 4 C 67 F 8 3 0 86 8 2 0 86 20 C 68 F 8 5 0 87 8 4 0 87 22 C 71 6 F 9 0 0 89 8 9 0 89 16 60 8 F 7 2 0 90 7 1 0 90 18 C 64 4 F 7 7 0 92 7 6 0 92 30 C 19 C 66 2 7 9 0 93 7 8 0 93 86 F 19 4 C 67 F 8 0 0 93 79 0 93 20 C 68 F 8 2 0 94 8 1 0 94 22 C 71 6 F 8 7 0 96 8 6 0 96 16 60 8 F 7 1 0 93 7 0 0 93 18 C 64 4 F 7 5 0 95 7 4 0 95 32 2 C 19 C 66 2 F 7 8 0 96 7 7 0 96 90 F 19 4 C 67 F 7 9 0 97 78 0 97 20 C 68 F 8 0 0 97 79 0 97 22 C 71 6 F 8 5 0 99 8 4 0 99 16 C 60 8 F 6 9 0 96 6 8 0 96 18 C 64 4 F 7 4 0 99 7 3 0 99 35 C 19 C 66
7. ADVANCED AND EVER ADVANCING MITSUBISHI ELECTRIC MITSUBISHI ELECTRIC 1 99 9 SPLIT TYPE COOLING AIR CONDITIONERS No OC208 TECHNICAL amp SERVICE MANUAL Ser 165 PC Ceiling Suspended This service manual describes only the change points Indoor unit Please refer to OC 134 REVISED Model name Service Ref EDITION A as to excluding this manual PC 3GJA p C 3 G J As This manual does not cover the following outdoor units When serving them please refer to the service manual No OC127 REVISED EDITION A OC187 and this manual in a set Service Ref PU 3YJC OC187 PU 3VJC OC187 PU 3NJA1 OC127 REVISED EDITION A CONTENTS 1 TECHNICAL 2 2 3 ET AT Ae o PME EU 5 REFRIGERANT SYSTEM DIAGRAM 7 DEPARTS DIST S EOS 8 INDOOR UNIT REMOTE CONTROLLER fitr S UM 1 TECHNICAL CHANGE Differences between the connection with PC 3GJA CHANGE POINTS PC 3GJA PC 3GJA2 PU 3VJC P PU 3VJB OUTDOOR UNIT PU 3YJC PU 3YJA COOLING 25900 Btu h PU 3JC CAPACITY 24600 Btu h 7600W 7200W 25600 Btu h PU 3JB 90m2 7500W TOTAL INPUT 50Hz 1 STANDARD SPECIFICATIONS Service Ref 2 SPECIFICATIONS PC 3GJAz2 WwW 7 600 Btu h 25 900 li ity 1 Cooling capacity W 7 800 Btu h 26 600
8. NEL R01 29J 651 FRONT PANEL R01 17J 691 GRILLE ASSY R01 29J 669 UNDER PANEL R01 17J 061 GRILLE HINGE R01 17J 054 GRILLE CATCH R01 17J 067 RIGHT SIDE BOX R01 17J 068 LEFT SIDE BOX R01 17J 085 GUIDE VANE ASSY 6R R01 18J 086 GUIDE VANE ASSY 6L R01 29J 087 GUIDE VANE ASSY 6C R01 29J 002 AUTO VANE R01 29J 223 VANE MOTOR R01 17J 808 RIGHT LEG R01 17J 809 LEFT LEG R01 17J 070 WIRELESS BOARD CASE R01 17 523 JOINT SOCKET R01 17 072 DRAIN HOSE COVER R01 18 665 SIDE PLATE R R01 18 666 SIDE PLATE L R01 17 668 SERVICE PANEL BEAM GA REAR SUPPORT VANE SUPPORT BG17H464H08 BG02H454H04 BG02R321G06 5 Aiii eC a lM 11 SUM s MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO100 8310 TELEX J24532 CABLE MELCO TOKYO Copyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO LTD New publication effective Nov 1999 Issued in Nov 1999 No OC208 1572 Specifications subject to change without notice Printed in Japan
9. oltage PC 3GJA2 4 Rating conditions SSA385 386 Indoor D B 29 W B 19 C Outdoor D B 46 C W B 24 C Refrigerant piping length one way 5m 16ft X5 V Inner thermostat HP switch LP switch Y Thermal switch HP switch LP switch Reversed phase protector Thermal relay 1ph 220V 1ph 220V 3ph 380V 1ph 220V 1ph 220V 3 The capacity of crankcase heater W based on 220V 2 POWER SUPPLY amp MODEL NAMES Indoor unit Service Ref PC 3GJA2 Power supply Outdoor unit Service Ref aah 220 230 240V PU 3VJC ph 220V PU 3VJB dh 380 220 400 230 415 240V PU 3YJC ph 380 220V PU 3YJB 220V PU 3NJA Notes 1 Power supply key N 1ph 220V 60Hz Y 3ph 380 220 400 230 415 240V V 1ph 220 230 240V 50Hz 50Hz 4 wires 2 Primary power supplies for all indoor units are single phase 3 ELECTRICAL SPECIFICATIONS ui Indoor D B 27 C 80 F W B 19 C 66 F 1 Rating conditions JIS 8616 5 35 C 95 F WB 24 75 Series Indoor Unit Single Phase Power supply 1 Phase V 220V 50Hz V 230V 50Hz V 240V 50Hz N 220V 60Hz Service Ref PC 3GJA2 PC 3GJA2 PC 3GJA2 PC 3GJA2 Current 0 51 0 53 0 55 0 70 Input 0 12 0 13 0 15 0 16 Starting current 1 17 1 22 1 27 1 11 Outdoor unit PU 3 PU 3 PU 3 PU 3 TE E Indoor D B 29 C 84 F W B 19 C 66 F 2 Rating conditions SSA 38
10. regulator Ball valve with service port Refrigerant pipe 9 52 3 8 with heat insulator option flow of refrigerant PC 3GJAz2 PU 3VJB PU 3YJB OUTDOOR UNIT INDOOR UNIT PC 3GJA2 Refrigerant pipe 15 88 5 8 PU 3VJB with insulator option F Indoor heat PU 3YJB Flexible tube strainer LOW pressure Outdoor heat 9 Switch High pressure exchanger Charge Check plug Flared connection Flared connection Indoor coil thermistor RT2 Accumulator Distribut O D 3 2 1 0 1 8 x800mm strainer Ball valve with service port Refrigerant pipe 9 52 3 8 with heat insulator option flow of refrigerant 5 PARTS LIST 5 PC 3GJA PC 3GJA A Lip 522422400 Y 57 RA LEN 7 Q ty set Wines PC 3 Remarks Diagram Drawing No symbol lt Specification GJA GJA1 GJA2 T7W 30J 762 MOTOR DC9C4P70MS R01 29J 116 JOINT R01 29J 100 SHAFT FAN R01 705 103 SLEEVE BEARING R01 29J 130 MOTOR LEG R01 29J 114 SIROCCO FAN R01 33J 114 SIROCCO FAN R01 17J 110 CASING R01 17 202 INDOOR COIL THERMISTOR R01 18 202 ROOM TEMPERATURE THERMISTOR T7W 33J 480 HEAT EXCHANGER R01 29J 529 DRAIN PAN ASSY R01 17J 524 DRAIN PLUG R01 29J 145
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