Page 3 - Cautions for units utilizing refrigerant R407C; SAFETY PRECAUTION
3 Cautions for units utilizing refrigerant R407C 3-2. CAUTIONS RELATED TO NEW REFRIGERANT Do not use the existing refrigerant piping. The old refrigerant and lubricant in the existing piping contains a large amount of chlorine which may cause the lubricant deterioration of the new unit. Use “low res...
Page 5 - Cautions for units utilizing refrigerant R410A; CAUTIONS RELATED TO NEW REFRIGERANT; Use new refrigerant pipes.; When charging directly from cylinder
5 Cautions for units utilizing refrigerant R410A CAUTIONS RELATED TO NEW REFRIGERANT Use new refrigerant pipes. Make sure that the inside and outside of refrige-rant piping is clean and it has no contaminationsuch as sulfur hazardous for use, oxides, dirt, shaving particles, etc.In addition, use pip...
Page 7 - PART NAMES AND FUNCTIONS; Indoor Unit
77 4 PART NAMES AND FUNCTIONS Indoor Unit Air intake Air intake grille Filter Air outlet Guide vane Auto vane
Page 8 - When cover is open.; TEMP
8 Wireless remote controller When cover is open. ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE CHECK TEST RUN °C AMPM AMPM VANE CONTROL button Used to change the air flow direction. CLOCK button RESET button SET buttonCLOCK butt...
Page 9 - SPECIFICATIONS; INDOOR UNIT
99 5 SPECIFICATIONS kW AA kW * /min(CFM) Pa(mmAq) dB mm(in.)mm(in.)mm(in.)mm(in.) kg(lbs) Service Ref. ModePower supply(phase, cycle, voltage) Input Running current Starting current External finish Heat exchanger Fan Fan(drive) x No. Fan motor outputAirflow(Low-Medium2-Medium1-High) External static ...
Page 11 - NOISE CRITERION CURVES; High; UNIT
11 11 6 NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB (0dB=0.0002 μ bar) BAND CENTER FREQUENCIES, Hz PKA-RP35/50GAL PKA-RP35/50GAL#1 PKH...
Page 12 - OUTLINES AND DIMENSIONS
12 7 OUTLINES AND DIMENSIONS INDOOR UNIT PKH-P35GALH PKA-RP35GAL PKA-RP35GAL#1 PKH-P50GALH PKA-RP50GAL PKA-RP50GAL#1 Unit : mm BY OFF ON ST AND HEA T COOL OFF BY ON ST AND COOL HEA T r.S LI mm MITSUBISHI ELECTRIC r.S LI mm MITSUBISHI ELECTRIC Knockout hole for right piping Refrigerant pipe.Drain pip...
Page 13 - WIRING DIAGRAM; Service board
13 INTAKE CN20 (RED) LIQUID CN21 (WHT) PIPE CN29 (BLK) 1 2 1 2 1 2 1 3 1 3 1 3 1 2 TH5 TH1 TH2 REMOCON CN22 (BLU) 1 2 2 1 TB5 R.B TB6 2 1 TRANSMISSION WIRES DC12V SWE ONOFF SW2 SW1 LED3 LED2 LED1 ZNR FUSE X4 CN41 CN2L CN51 CN32 WIRELESS CN90 (WHT) VANE CN6V (GRN) MV 6 W.B BZ CNB RECEIVER RU LED1 LED...
Page 14 - REFRIGERANT SYSTEM DIAGRAM; Heat exchanger
14 9 REFRIGERANT SYSTEM DIAGRAM Pipe temperature thermistor/liquid (TH2) Distributor with strainer #50 Condenser/evaporator temperature thermistor (TH5) Room temperature thermistor (TH1) Refrigerant flow in coolingRefrigerant flow in heating Strainer #50 Strainer #50 Heat exchanger Refrigerant GAS p...
Page 15 - TROUBLESHOOTING
15 10 TROUBLESHOOTING <Error code display by self-diagnosis and actions to be taken for service (summary)> Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit. Actions to be taken for service and the trouble reoccurrence at f...
Page 16 - • The check mode is cancelled.; Malfunction-diagnosis method at maintenance service>; To be continued to the next page.
16 • "CHECK" lights, and refrigerant address "00" flashes.• Check that the remote controller's display has stopped before continuing. • Select the refrigerant address of the indoor unit for the self-diagnosis.Note: Set refrigerant address using the outdoor unit’s DIP switch (SW1). (F...
Page 23 - 0-4. TROUBLESHOOTING BY INFERIOR PHENOMENA; Phenomena
23 10-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. (For the separate indoor/outdoor unit power sup- ply system) 1 Power supply of 220~240V AC is not supplied to indoor unit. 2 The connectors of the optional replacement kit ar...
Page 26 - Vane motor; Thermistor for
26 1 3 2 2 3 1 Red White Black Relay connector Protector OFF:125±5°C ON :79±15°C Orange Red Pink Yellow Brown Blue M Parts name Check points Measure the resistance between the terminals with a tester. (Winding temperature 20 ) Fan motor 160 Measure the resistance between the terminals with a tester....
Page 29 - 0-8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE
29 SW1 Setting by the dip switch and jumper wire Functions Jumper wire Modelsettings Capacitysettings Pair numbersetting withwirelessremotecontroller For service board Remarks Service board SW2 J41J42 Unit type setting JP1 Indoorcontrollerboard type setting JP3 012 3 ~ 9 Wireless remote controller s...
Page 30 - SPECIAL FUNCTION; again the former request code No.; System constraint; · This function is available only in rota-; • System constraint; Operation pattern
30 11 SPECIAL FUNCTION Note:· When the uint is restarted to operate after turning off the power or OFF operation, the unit which was operating will start operation. · To operate the main unit, refer to the 11-1-2. and set the requet code No. which is not the same as the current one, and set again th...
Page 31 - NOTICE; Rotation setting
31 31 11-1-2. How to set rotation function(Back-up function, 2nd stage cut-in function) You can set these functions by wired remote controller.(Maintenance monitor) Both main and sub unit should be set in same setting.Every time replacing indoor controller board for servicing, the function should be...
Page 32 - (2) Setting method of each function by wired remote controller
32 (2) Setting method of each function by wired remote controller B: Refrigerant addressC: Data display areaD: Request code display area TEST CHECK FILTER FILTER ON/OFF 1. Stop operation( ). 2. Press the button ( ) for 3 seconds so that [Maintenance mode] appears on the screen ( ). After a while, [0...
Page 33 - DISASSEMBLY PROCEDURE; OPERATION PROCEDURE
33 33 12 DISASSEMBLY PROCEDURE OPERATION PROCEDURE PHOTOS & ILLUSTRATION 1. REMOVE THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATE. (1) Remove the left / right corner box of the indoor unit.(2) Hold and pull down the lower and both ends of the indoor unit, and remove the ▼ section ...
Page 36 - Set screws
36 13. REMOVING the SIGNAL RECEIVING P.C. BOARD (1) Remove the terminal block cover. (2) Disconnect the connector <yellow> for the wireless remote controller. (3) Remove the front panel.(see the photo 1) (4) Remove the 2screws and signal receiving p.c. board cover. (5) Remove the signal receiv...
Page 38 - To be continued on the next page.
38 R01 E48 480 T7W E56 480 R01 09Y 114 R01 07Y 114 R01 07Y 102 R01 005 103 R01 07Y 106 T7W A00 675 R01 07Y 524 R01 07Y 527 R01 07Y 530 R01 09Y 038 R01 07Y 038 R01 07Y 059 R01 E04 223 R01 E03 317 R01 07Y 135 R01 07Y 105 T7W A01 762 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring ...
Page 39 - From the preceding page.
39 — T7W A14 716 T7W E23 716 R01 588 255 T7W E40 310 — — R01 E02 313 R01 E02 239 — R01 71G 215 — R01 E58 202 T7W E05 202 R01 E02 202 R01 07Y 130 R01 64K 700 T7W E13 300 R01 986 706 R01 208 706 R01 20J 303 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Recom- mend...
Page 40 - GALH; RoHS; RoHS PARTS LIST
40 R01 E70 480 T7W H36 480 R01 E21 114 R01 E22 114 R01 08Y 102 R01 E04 103 R01 08Y 106 T7W A01 675 R01 08Y 524 R01 08Y 527 R01 08Y 530 R01 10Y 038 R01 08Y 038 R01 08Y 059 R01 E14 223 R01 E06 317 R01 08Y 135 R01 08Y 105 T7W A02 762 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring ...