Mitsubishi MCF-A12- Manuals

5 NOISE CRITERIA CURVES 4 NOISE CRITERIA CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz APPROXIMATETHRESHOLD OF HEARING FORCONTINUOUSNOISE Test conditions,...

WIRING DIAGRAM 6 INDOOR UNIT TAB12 HIC1 ELECTRONIC CONTROL P.C BOARD 1 WHT DISP/ P.C.BOARD RECEIVER 12V REMOTECONTROLLER 2 4 5 SW/THERMOP.C.BOARD MV 5 2 5 6 RT11 F11 CIRCUIT BREAKER SUPPLY TO OUTDOORUNITCONNECTING 50Hz ~/N 230V POWER 1 TB2 L N PE TB1 GRN/YLW 1 CN202 CN201 BLK BRN 3 2 BLU TRANS NR11 ...

7 REFRIGERANT SYSTEM DIAGRAM 7 INDOOR UNIT MCF-A24WV - E1 Indoorheatexchanger Distributor Flared connection Room temperaturethermistorRT11 Flared connection Refrigerant flow in coolingRefrigerant flow in heating Refrigerant pipe [ 15.88 (with heat insulator) Refrigerant pipe [ 6.35 (with heat insula...

SERVICE FUNCTIONS 8 8 MCF-A12WV - MCF-A18WV - MCF-A24WV - E1 E1 E1 Remote controller model : KG04D J2 J1 8-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS on the electronic control P.C. board.The time will be shortened as follows. (Refer to page 14.)3-minut...

9 How to release “AUTO RESTART FUNCTION” 1 Turn off the main power for the unit. 2 Pull out the electronic control P.C. board. (Refer to page 15.) 3 Solder jumper wire to the JR07 on the indoor electronic control P.C. board. (Refer to page 14.) JR07 CN151 CN1 13 CN1 12 CN101 CN105 SW2 CN102 CN201 SW...

TROUBLESHOOTING 10 9 Insert the negative pole of the batteries first.Check if the polarity of the batteries are correct. RESET button 4. How to replace batteries Weak batteries may cause the remote controller malfunction.In this case, replace the batteries to operate the remote controller normally. ...

11 1. Troubleshooting check table ❈ Before taking measures, make sure that the symptom reappears, for accurate troubleshooting. Self check table 9-2. Instruction of troubleshooting OPERATION INDICATOR lamp Start Indoor unit operates.Outdoor unit doesn't operate. Indoor unit doesn't receive the signa...

12 Check of indoor fan motor A Indoor fan does not operate. Replace the indoor fan motor. Disconnect lead wires from connector (Fan motor).Measure resistance between lead wires No.1 and No.4 and then No.3 and No.4 of the fan motor. Are lead wires connected? Reconnect the lead wires. Replace the indo...

14 DE00R697B To the indoorelectronic controlP.C.board CN113 Indoor coil thermistor (RT12)Room temperature thermistor (RT11) RT11 EMERGENCY OPERATION switch TH113 CH313 GILMS 1 2 0 0 10 20 30 40 10 20 30 40 50 60 Temperature ( C) Resistance (K ' ) TEST POINT DIAGRAM AND VOLTAGEMCF-A12WV - MCF-A18WV -...

15 DISASSEMBLY INSTRUCTIONS 10 OPERATING PROCEDURE PHOTOS 1. Removing the electronic control P.C. board. (1) Pull out the upper part of the grille. (Photo 1) (2) Remove the screws of the grille. (3) Remove screws of terminal block cover. Remove the terminal block cover and remove the terminalblock. ...

16 OPERATING PROCEDURE PHOTOS 3. Removing the indoor heat exchanger. (1) Remove the grille. (Refer to 1(1) (2).)(2) Remove the screws on both side and in front of the front panel. (Photo 5) (3) Remove the screws of the nozzle assembly. (Photo 6)(4) Remove the electronic box. (Refer to 1.)(5) Remove ...

17 PARTS LIST 11 Part number that is circled is not shown in the illustration. Q'ty/unit 12345678 9 10111213 14 1516 VANE MOTORINSTALLATION METAL (L)AIR FILTERGRILLE (WH)FRONT PANEL (WH)DRAIN PANFAN CASING (U)FAN CASING (L)UNION (GAS)UNION (GAS)INSTALLATION METAL (R)UNION (LIQUID)BACK PANEL (IN)NOZZ...

18 Part numbers that are circled are not shown in the illustration. 9 8 4 6 7 12 3 4567 8 9 10 11 SIROCCO FANFAN MOTOR RUBBER MOUNTINDOOR FAN MOTORINDOOR FAN MOTORINDOOR FAN MOTORTERMINAL BLOCKTERMINAL BLOCKRECEIVER P.C. BOARDINDOOR COIL THERMISTORELECTRONIC CONTROL P.C. BOARDELECTRONIC CONTROL P.C....

19 OPTIONAL PARTS 12 12-2. DEODORIZING FILTER ● Clean the filter every two weeks. When it becomes too dirt, clean it more often. ● Replace the filter with a new one when its color can not be restored even after washing or when the filter becomes dark. ● Standard interval for the filter replacement i...

New publication, effective Apr. 2004Specifications subject to change without notice. C C Copyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Apr. 2004. No.OB338 REVISED EDITION-A 6Distributed in Mar. 2004. No.OB338 6Made in Japan HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCH...