Mitsubishi Electronics PCH24GK, PCH30GK, PCH36GK, PCH42GK STRUCTURAL PART

OC277-62

STRUCTURAL PART

PCH30GK

PCH36GK

PCH42GK

24 23 21 20 19

OC277--3.qxp 1.12.14 1:46 PM Page 62

Contents

Main OC277-2 1FEATURES Models Cooling capacity / Heating capacity SEER 1. AIR OUTLET 2. EASY TO CLEAN ; FLOCKLESS VANE 3. NEW MATERIALS FOR BETTER OIL RESISTANCE 5. IMPROVING EFFICIENCY OF PIPING WORK Back panel U-cut Side panel L : Liquid pipe G : Gas pipe D : Drain pipe 6. EASY MAINTENANCE ; NO MAINTENANCE NECESSARY FOR 2500 HOURS 2PART NAMES AND FUNCTIONS OC277--1.qxp 01.12.14 13:01 Page 4 Indoor (Main) Unit Remote controller operation buttons Remote controller Operation lamp OC277--1.qxp 01.12.14 13:01 Page 6 CENTRALLY CONTROLLED display F F Remote controller display CLOCK display AIR DISCHARGE display FAN SPEED display SPECIFICATIONS3 MODELS : PCH24GK, PCH30GK, PCH36GK, PCH42GK 4 DATA MODELS : PCH24GK, PCH30GK, PCH36GK, PCH42GK 1. PERFORMANCE DATA 1) COOLING CAPACITY 2) HEATING CAPACITY 2. PERFORMANCE CURVE NOTES : A point on the curve shows the reference point. 3. CONDENSING PRESSURE AND SUCTION PRESSURE Indoor D.B. temperature( F) Page Page Page 4. STANDARD OPERATION DATA 5. OPERATING RANGE 6. OUTLET AIR SPEED AND COVERAGE RANGE 7. ADDITIONAL REFRIGERANT CHARGE (R22(oz)) 8. NOISE CRITERION CURVES PCH24GK OUTLINES AND DIMENSIONS OC277--1.qxp 01.12.14 13:02 Page 19 5 NOTES. Refrigerant-pipe connection(gas pipe side/flared connection) Indoor unit PCH30/36/42GK OC277--1.qxp 01.12.14 13:02 Page 20 Knock out hole for left drain pipe arrangement [FRONT VIEW] Refrigerant-pipe connection(gas pipe side/flared connection) REFRIGERANT SYSTEM DIAGRAM6 Refrigerant flow HEATING COOLING 7WIRING DIAGRAM MODEL PCH24/30/36/42GK WIRING DIAGRAM NOTES: Indoor fan motor(MF)for 208V. [Check items] [Emergency operation procedure] 8 OPERATION FLOW-CHART MAIN OPERATION COOLING OPERATION DRY OPERATION HEATING OPERATION MICROPROCESSOR CONTROL OC277-27 9 12VDC OUTPUT to outdoor unit 2. INDOOR UNIT CONTROL 2-1 COOL operation <COOL operation time chart> Page Page Page Page Page 2-3 HEAT operation OC277--2.qxp 1.12.14 1:42 PM Page 34 <HEAT operation time chart> [DEFROST] The [DEFROST] symbol is only displayed during the defrost opera- tion. [STANDBY] Page Page * * Page Page Page Page 2-10. INDOOR FAN CONTROL TROUBLE SHOOTING 10 1. REMOTE CONTROLLER DISPLAYABNORMALITY 2. SELF DIAGNOSTIC FUNCTION WITH REMOTE CONTROLLER (WIRED REMOTE CONTROLLER) Page 3. WRONG WIRING ON SITE 3-1 Between remote controller and indoor unit 3-2 Phenomenon due to wrong wiring between indoor and outdoor units 4. OTHER TROUBLES AND CAUSES 5. How to check the parts Vane motor (MV) Fan motor (MF) Page 11 SYSTEM CONTROL 1. VARIETY OF SYSTEM CONTROL FUNCTIONS 2. GROUP CONTROL WITH A SINGLE REMOTE CONTROLLER 3. CONTROL USING TWO REMOTE CONTROLLERS 4. REMOTE ON-OFF AND INDIVIDUAL REMOTE CONTROLS 5. INDIVIDUAL CONTROL BY GROUPING THE REMOTE CONTROLLERS 6. MULTIPLE REMOTE CONTROL DISPLAY OC277--2.qxp 1.12.14 1:42 PM Page 54 8. TIMER OPERATION OR THE OPERATION BYAN EXTERNAL SIGNAL <Wiring> Remote controller DISASSEMBLY PROCEDURE 12 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Figure 1 Figure 2 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Photo 3 Photo 2 Photo 4 Photo 5 Photo 7 Photo 6 Photo 8 Photo 9 Photo 10 Photo 11 Photo 12 13 PARTS LIST Page STRUCTURAL PART Page Page FAN AND HEATER PARTS ELECTRICAL PARTS OPTIONAL PARTS 14 1. TIMER 1-4 Names and functions <PAC-SC32PTA> OC277--3.qxp 1.12.14 1:46 PM Page 68 WEEKLYTIMER SETTING DISPLAY CURRENT TIME DISPLAY SET BACK DISPLAY DAILYTIMER SETTING DISPLAY SET BACK SETTING SW 2. REFRIGERANT PIPES 3. TIMER ADAPTER Part No. PAC-SA89TA-E 4. MULTIPLE REMOTE CONTROLLER ADAPTER Part No. PAC-SA88HA-E