Benutzeranleitung / Produktwartung PCH24GK des Produzenten Mitsubishi Electronics
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OC277-1 CONTENTS 1. FEA TURES ·····································································································OC277- 2 2.
OC277-2 1 FEA TURES Models Cooling capacity / Heating capacity SEER PCH24GK 24,000 / 27,000 (35,500) Btu/h 10.3 PCH30GK 30,000 / 33,000 (42,500) Btu/h 10.0 PCH36GK 35,400 / 38,000 (47,500) Btu/h 10.3 PCH42GK 42,000 / 45,000 (52,500) Btu/h 10.3 Microprocessor Remote controller FILTER CHECK MODE TEST RUN TIMER OFF TIMER CHECK SET TEMP.
OC277-3 7. ST ABLE COOLING EVEN A T OUTDOOR TEMPERA TURES AS LOW AS 23˚F MAKES YEAR-ROUND AIR-CONDITIONING POSSIBLE The microprocessor automatically adjusts fan speed in accordance with outdoor temperature to maintain the coolant at an even condensing temperature.
OC277-4 2 P ART NAMES AND FUNCTIONS ● Indoor (Main) Unit Air outlet Intake grille Air intake Left/right guide vanes Change the direction of airflow from the horizontal blower.
OC277-5 Remote controller operation buttons TIMER OFF TIMER CHECK SET TEMP . DRY COOL AUTO HEAT CLOCK AUTO AUT O START STOP MODE TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER CHECK TEST RUN AIR SWEEP SET TEMP . TIMER SET F FAN SPEED AUTO RETURN REMOTE CONTROLLER FIL TER button This resets the filter service indica- tion display .
OC277-6 TIMER OFF TIMER CHECK SET TEMP . DRY COOL AUTO HEAT CLOCK AUTO AUT O START STOP MODE TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER CHECK TEST RUN AIR SWEEP SET TEMP .
OC277-7 SPECIFICA TIONS 3 Capacity Moisture removal Power Consumption EER SEER HSPF COP INDOOR UNIT MODELS External finish Power supply Max.fuse size (time delay) Min.ampacity Fan motor Booster heater Airflow Hi-Lo Sound level Hi-Lo Unit drain pipe O.
OC277-8 4 D ATA Models Indoor air Outdoor intake air D.B. temperature (˚F ) PCH24GK 71 67 63 62.5 60 59 71 67 63 62.5 60 59 71 67 63 62.5 60 59 71 67 63 62.5 60 59 TC 28.5 26.8 25.1 24.8 23.8 23.4 35.7 33.4 31.3 31.0 29.8 29.3 42.1 39.5 37.0 36.6 35.
OC277-9 Models Indoor air Outdoor intake air W .B. temperature ( ˚F ) PCH24GK 75 70 65 75 70 65 75 70 65 75 70 65 CA 17.8 18.2 18.6 21.8 22.2 22.8 25.0 25.6 26.2 29.7 30.3 31.1 PC 1.91 1.84 1.77 2.32 2.25 2.16 2.57 2.49 2.39 2.91 2.82 2.71 CA 20.4 20.
OC277-10 T otal power consumption (kW) T otal capacity (x10 3 Btu/h) Outdoor intake air DB temperature ( F) 42 36 30 24 4.0 3.5 3.0 2.5 2.0 63 67 71 63 67 71 SHF=0.84 32 35 45 55 65(67) 75 85 95 105 115 Indoor intake air W .B. temperature ( F) Indoor intake air W .
OC277-11 NOTES : A point on the curve shows the reference point. PCH36GK COOLING CAP ACITY PCH36GK HEA TING CAP ACITY T otal power consumption (kW) T otal capacity (x10 3 Btu/h) Outdoor intake air DB temperature ( F) 48 42 36 30 4.5 4.0 3.5 2.5 3.0 63 67 71 63 67 71 SHF=0.
OC277-12 3. CONDENSING PRESSURE AND SUCTION PRESSURE Data is based on the condition under indoor humidity 50%. Air flow should be set at HI. A point on the curve shows the reference point. < Cooling mode> Data is based on the condition under outdoor humidity 75%.
OC277-13 Data is based on the condition under indoor humidity 50%. Air flow should be set at HI. A point on the curve shows the reference point. < Cooling mode> Data is based on the condition under outdoor humidity 75%. A point on the curve shows the reference point.
OC277-14 Data is based on the condition under indoor humidity 50%. Air flow should be set at HI. A point on the curve shows the reference point. < Cooling mode> Data is based on the condition under outdoor humidity 75%. A point on the curve shows the reference point.
OC277-15 Data is based on the condition under indoor humidity 50%. Air flow should be set at HI. A point on the curve shows the reference point. < Cooling mode> Data is based on the condition under outdoor humidity 75%. A point on the curve shows the reference point.
OC277-16 4. ST ANDARD OPERA TION DA T A Models Item Electrical circuit Refrigerant circuit Indoor side Outdoor side V oltage Frequency T otal input Indoor fan current Booster heater current Outdoor fan current Comp. current Condensing pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Comp.
OC277-17 Condition Standard temperature Maximum temperature Minimum temperature Maximum humidity Standard temperature Maximum temperature Minimum temperature 80 95 67 80 70 80 70 67 71 57 75 60 67 60 .
OC277-18 8. NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMA TE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB re 0.
OC277-19 OUTLINES AND DIMENSIONS 5 Indoor unit PCH24GK Unit:inch 9-1/32 2-3/4 Electrical box 2 7 9 Knock out hole for upper drain pipe arrangement 8 Knock out hole for fresh air intake 9 51-9/16 10-5/.
OC277-20 Indoor unit PCH30/36/42GK Unit:inch 9-1/32 2-3/4 2 7 9 Refrigerant-pipe connection(liquid pipe side/flared connection) Knock out hole for wiring arrangement Knock out hole for left drain pipe arrangement (inch) Drainage pipe connection(On a local side 1-1/32IN.
OC277-21 Unit : inch Remote controller FILTER CHECK MODE TEST RUN TIMER OFF TIMER CHECK SET TEMP . CLOCK AUTO AUTO START STOP SWING FAN SPEED 5-1/8 4-3/4 3/4 3/32 23/32 AUTO RETURN REFRIGERANT SYSTEM DIAGRAM 6 Pipe temperature thermistor / Liquid (RT2) Distributor ( { 0.
OC277-22 7 WIRING DIAGRAM MODEL PCH24/30/36/42GK WIRING DIAGRAM TRANSMISSION WIRES DC12V ZNR LED2 LED1 F2 F1 RED BLU L2 L1 POWER SUPPL Y ~(1PHASE) AC208/230V 60Hz TB2 WHT BLK POWER CNDK (WHT) 3 1 1 2 1 2 3 TRANS CNSK (RED) (DC13.1V) CN2S (WHT) P. B (AC208/230V) W.
8 START Power circuit breaker Check SW ON twice Operation SW ON “OFF” timer “ON” timer STOP Set time complete Set time complete 1 NO NO NO NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YE.
OC277-24 COOL operation Four-way valve/OFF Initial COOLING NO NO NO NO NO NO YES YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES NO NO NO NO YES NO NO NO NO NO NO NO NO NO w 8 w 9 V.
OC277-25 w 8 ~ 9 Refer to page OC277-24. w 12 When room temperature is 64°F or below , the compressor cannot operate. When room temperature rises over 64°F , the compressor starts after a 3-minute time delay . w 13 Compressor ON time is decided by room temperature.
OC277-26 Heat operation Initial HEATING Vane setting notch Vane initial setting Defrosting Heating area Defrost release Defrost 30 min. elaspe Outdoor unit trouble Four-way valve ON Hot adjust in proc.
OC277-27 MICROPROCESSOR CONTROL 9 ● Compressor and outdoor fan : ON- OFF ● Operation mode change :COOL- HEA T . 1.OUTLINE OF MICROPROCESSOR CONTROL ● OFF-ON switching. ● COOL/DRY -AUTO-HEA T selector switching. ● Thermostat setting. ● TIMER mode selector-switching and T imer setting.
OC277-28 2. INDOOR UNIT CONTROL 2-1 COOL operation (1) Compressor control 1 3-minute time delay T o prevent overload, the compressor will not start within 3 minutes after stop. 2 The compressor runs when room temperature is higher than set temperature.
5 Coil frost protection When indoor coil temperature becomes 5°F or below ,coil frost protection will proceed as follows. <Start condition> After the compressor has been continuously operated for 3 minutes or more,and the indoor coil temperature has been 5°F or below for 3 minutes,the coil frost protection will start.
OC277-30 (3) Auto vane control Auto vane position is set to horizontal airflow at the start-up of COOL operation. It can then be changed by the remote con- troller . (a) V ane position set mode & swing mode. ( i ) Every time AIR DISCHARGE button is pressed, setting will be changed .
OC277-31 (4) Detecting abnormalities in the outdoor unit After the compressor has been continuously operated for 3 minutes, if the difference between the indoor coil temperature and room temperature is out of RANGE C for 1 minute, the indoor fan speed will turn to LOW .
OC277-32 <DR Y operation time chart> Minimum 3 minutes w 1 ON Thermostat Indoor fan Auto vane Booster heater Compressor ON DRY MODE DRY MODE ON ON OFF OFF ON OFF OFF OFF OFF Operation starts by POWER button ON. Operation stops by POWER button OFF.
OC277-33 4 The compressor will not start when the room temperature is 64°F or below . The compressor starts intermittent operation when the power is turned ON with room temperature above 64°F . The com- pressor ON/OFF time depends on the thermostat ON/OFF and the following room temperatures.
OC277-34 2-3 HEA T operation Minimum 3 minutes w 2 ON Thermostat Indoor fan Auto vane Booster heater Compressor Power ON lamp STAND BY lamp ON ON LOW or HIGH LOW or HIGH ON OFF OFF OFF Horizontal Hori.
OC277-35 (1) Compressor control 1 3-minute time delay T o prevent overload, the compressor will not start within 3 minutes after stop. 2 The compressor runs when the room temperature is lower than the set temperature. The compressor stops when the room temperature is equal to or higher than the set temperature.
OC277-36 (5) Detecting abnormalities in the outdoor unit When the outdoor unit is determined to be abnormal by the following causes, the compressor will stop and the check code “ P8 ” will appear on the remote controller display . ( i ) During compressor ON while hot adjustment is set.
OC277-37 2-4 AUTO operation (Automatic COOL/HEA T change over operation) (1) Initial mode 1 When AUTO operation starts after unit OFF . ● If the room temperature is higher than the set temperature, operation starts in COOL mode. ● If the room temperature is equal to or lower than the set temperature, operation starts HEA T mode.
OC277-38 <How to operate> T o change the air flow direction, press AIR DISCHARGE button. 1 Horizontal 2 20° 3 40° 45 60° SWING (1) COOL/DR Y operation At the start-up of COOL or DRY operation, the airflow direction in automatically set to horizontal.
OC277-39 <Timer function> AUTO ST OP ·········The air conditioner stops after the set time lapses. AUTO ST ART ········The air conditioner starts after the set time lapses. AUTO OFF ············Timer is not active. <How to operate> 1.
OC277-40 (1) Indoor coil temperature code During the test run, the indoor coil temperature code from 1 to 15 is displayed on the remote controller instead of room temperature. The code should fall with the lapse of time in normal COOL operation, and should rise in normal HEA T operation.
OC277-41 2-9 Dip switch functions Each figure shows the initial factory setting. (1). On remote controller board 1. SW17(Address selector) SW1 7-1 ~6) For address setting SW17-7) When two remote controllers are used,this switch sets the controller function.
OC277-42 3. SW3 (Emergency operation switch) 1 2 Normal operation ON OFF 1 2 For emergency cooling ON OFF 1 2 For emergency heating ON OFF 4. SW5 (Model selector) 1234 ON OFF SW5-1) Not for use. SW5-2) OFF:For models with heat pump ON: For models with cooling only SW5-3) Not for use.
OC277-43 TROUBLE SHOOTING 10 Cause Display abnormality Check points The display “centrally con- trolled” on remote con- troller does not disappear . 1) Wrong address setting of remote con- troller/indoor controller board. 2) T imer adapter is connected to the remote controller .
OC277-44 2-2 How to use the self diagnostic function for service A. For normal control with one unit and one remote controller (1) Pressing the CHECK button on the remote controller twice starts the self diagnostic function. (2) During the self diagnostic function, “CHECK MODE” appears at two positions on the remote controller display .
OC277-45 1) Check the indoor/outdoor connecting wire. 2) Change the connection of electric wiring. 3) Check the protection device. 4) Measure the resistance of the outdoor coil ther- mistor . If the resistance is normal, replace the outdoor controller board.
OC277-46 3. WRONG WIRING ON SITE 3-1 Between remote controller and indoor unit If the wire is disconnected between the remote controller and the indoor unit, nothing is displayed on the remote controller when the POWER button is pressed. The beep sound will also not be heard.
OC277-47 V anes do not work. V ane motor does not work. Connector is poorly connected. V ane motor is poorly assembled. Indoor controller board is damaged. Unit stops after 5 to 20 seconds operation Protection function is working. Air discharge display is OFF and AIR DIS- CHARGE button does not operate.
OC277-48 5. How to check the parts Parts name Check points Disconnect the connector then measure the resistance using a tester . (Ambient temperature 50 ° F to 86 ° F) Measure the resistance between the terminals using a tester . (Ambient temperature 77 ° F) V ane motor (MV) (Refer to the next page for a detail.
OC277-49 0 10 20 30 40 50 -4 14 32 50 68 86 104 122 < Thermistor for lower temperature > T emperature ( ° F) Resistance (K " ) <Thermistor Characteristic graph> Room temperature ther.
OC277-50 11 SYSTEM CONTROL 1. V ARIETY OF SYSTEM CONTROL FUNCTIONS Unit Remote control display board Remote controller Unit Unit T wo remote controllers can be used to control either one unit or a group of units. Units can then be controlled from a distance or at close range.
OC277-51 2. GROUP CONTROL WITH A SINGLE REMOTE CONTROLLER A maximum of 50 units can be started in order according to the dip switch settings 2-1 How to wire (1) Connect the remote controller to the double terminal block on the indoor controller board of the master unit (No.
OC277-52 3. CONTROL USING TWO REMOTE CONTROLLERS T wo remote controllers can be used to control either one unit or a group of units. Units operate according to the latest com- mand from either of the two remote controllers.
OC277-53 NOTE1 : Install the relay box where you can be serviced it easily . NOTE2 : For control circuit wiring, use a wire of No. 14 AWG or a control cable according to the power supply of control circuit.
OC277-54 6. MUL TIPLE REMOTE CONTROL DISPLA Y Y ou can control several units with a multiple remote control display , by wiring an optional multiple display adapter (P AC-SA88HA-E) with relays and lamps on the market. How to wire (1) Connect the multiple display adapter to the connector CN51 on the indoor controller board.
OC277-55 DISASSEMBL Y PROCEDURE 12 1. Removing the air intake grille (1) Slide the intake grille holding knobs (at two locations) backward to open the intake grille. (2) When the intake grille left open, push the stoppers on the rear hinges (at two locations) to pull out the intake grille.
OC277-56 Figure 3 OPERA TING PROCEDURE PHOTOS&ILLUSTRA TIONS 3. Removing the fan motor (1) Remove the intake grille. (2) Disconnect the fan motor connector . (3) Remove the screw for removing the motor support at both left and right side. (4) Loosen the set screws at the fan motor side of the con- necting joint.
OC277-57 OPERA TING PROCEDURE PHOTOS 6. Removing the vane motor (1) Remove the air intake grille. (2) Remove the left side panel. (3) Remove the relay connector of vane motor . (4) Remove the electrical box. (5) Remove the screws of vane motor , then remove vane motor .
OC277-58 OPERA TING PROCEDURE PHOTOS 9. Removing the drain pan (1) Remove the air intake grille. (2) Remove the beam. (3) Remove the side panel (right and left).
OC277-59 OPERA TING PROCEDURE PHOTOS 13. Removing the heat exchanger . (1) Remove the air intake grille. (2) Remove the beam. (3) Remove the side panel (right and left). (4) Disconnect the relay connector . (5) Remove the under panel. (6) Remove the drain pan.
OC277-60 13 P ARTS LIST STRUCTURAL P ART PCH24GK 22 20 19 18 17 15 14 13 12 16 11 10 9 8 7 6 4 3 2 1 5 21 OC277--2.qxp 1.12.14 1:43 PM Page 60.
OC277-61 No. Parts No. Parts Name Specifications PCH 24GK Wiring Diagram Symbol Recom- mended Q'ty Unit Amount Q'ty / set Price LEFT SIDE PANEL LEFT LEG SIDE PLATE-L. REAR PANEL GRILLE HINGE GRILLE CATCH GRILLE ASSY FILTER UNDER PANEL WIRELESS BOARD CASE SIDE PLATE-R.
OC277-62 STRUCTURAL P ART PCH30GK PCH36GK PCH42GK 24 23 21 20 19 18 17 16 15 14 12 11 10 9 8 7 6 5 3 2 1 4 13 22 OC277--3.qxp 1.12.14 1:46 PM Page 62.
OC277-63 No. Parts No. Parts Name Specifications PCH 30, 36, 42GK Wiring Diagram Symbol Recom- mended Q'ty Unit Amount Q'ty / set Price 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 LEFT SIDE PANEL SIDE PLATE-L.
OC277-64 No. Parts No. Parts Name Specifications PCH 24GK Wiring Diagram Symbol Recom- mended Q'ty Unit Amount Q'ty / set Price 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PIECE (MOTO.
OC277-65 No. Parts No. Parts Name Specifications PCH 30GK 36GK Wiring Diagram Symbol Recom- mended Q'ty Unit Amount Q'ty / set Price 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 .
OC277-66 No. Parts No. Parts Name Specifications Wiring Diagram Symbol Recom- mended Q'ty Unit Amount Q'ty / set Price 1 2 3 4 5 6 7 8 9 10 CAPACITOR CAPACITOR POWER BOARD FUSE CONTROLLER BOARD TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK COARD (REMOCON) REMOTE CONTROLLER RELAY PCH 1 1 2 1 1 1 1 1 1 2 C C P.
OC277-67 OPTIONAL P ARTS 14 1-2 Feature of program timer (1) Daily timer function Daily timer can be set in 30 minutes units for up to 24 hours. Each unit can be set for unit ON, unit OFF , or setback operation. (2) Setback operation (P AC-SC32PT A) Set back operation is useful for reducing running costs e.
OC277-68 1-4 Names and functions <P AC-SC32PT A> WEEKL Y TIMER SETTING DISPLA Y Sets timer for a week. SET/MONITOR SET SM TWT F S MONITOR PROGRAM TIMER PAC-SC32PTA TODAY ON WEEKLY SETTING OFF ON.
OC277-69 Note 1. The refrigerant pipes and the indoor unit contain a nitrogen holding charge which must be removed by evacuation. <Piping connection procedures> See that ball valve on outdoor unit is fully shut (unit is shipped with valve shut).
3400 Lawrenceville Suwanee Road ● Suwanee, Georgia 30024 Toll Free: 800-433-4822 ● Toll Free Fax: 800-889-9904 www.mrslim.com Specifications are subject to ch ange without notice.
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