Mitsubishi Electric MSC-07RV Service Manual Download Page 149 | Manualshive

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149

OPERATING PROCEDURE

PHOTOS

3. Removing the electrical box

(1) Remove the front panel. (Refer to 1)
(2) Remove the electrical cover.
(3) Disconnect the connector of the indoor coil thermistor.
(4) Disconnect the motor connector (CN211) and the vane

motor connector (CN151) on the electronic control P.C.
board.

(5) Remove the screw fixing the electrical box, remove the

electrical box.

4. Removing the vane motor

(1) Remove the front panel.
(2) Remove the screws (both upper and lower) of the vane

motor, disconnect the connector.

(3) Remove the vane motor.

Photo 4

Photo 5

Drain hose

Vane motor
screws

Vane motor

Fan motor
screws

Indoor coil
thermistor

5. Removing the line flow fan and the indoor fan motor

(1) Remove the front panel. (Refer to 1)
(2) Remove the electrical box.
(3) Pull out the drain hose from the nozzle assembly, remove

the nozzle assembly.

(4) Remove the screws fixing the fan motor.
(5) Remove the screws fixing the left side of the heat

exchanger.

(6) Lifting the left side of the heat exchanger.
(7) Remove the hexagon socket set screws.
(8) Remove the fan motor, and remove the line flow fan.

Electrical box
screw

Photo 3

The screws
fixing the
left side of
the heat
exchanger

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Summary of Contents for MSC-07RV

Page 1: ... 12RV MSC 07RV WH MUH 07RV MSC 09RV WH MUH 09RV MSC 12RV WH MUH 12RV Multi system type MSC 07RV WH MUX 10RV MSC 09RV WH MUX 18RV MSC 12RV WH MUX 24RV Inverter controlled multi system type MXZ 18RV MXZ 32RV E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 No OB227 REVISED EDITION B MSC 07RV MSC 09RV MSC 12RV E1 E1 E1 Revision MUX 10 18 24RV has been added MXZ 18 32RV has been added Noise...

Page 2: ...1 E1 E1 E1 E1 E1 1 MSC 07RV E1 MSC 09RV E1 MSC 12RV E1 1 2 SW2 1 2 AUTO RESTART FUNCTION OFF AUTO RESTART FUNCTION ON OUTDOOR UNIT MU MUX type OUTDOOR UNIT MUH MXZ type Set of switch SW2 1 2 SW2 1 2 When the units are shipped from the factory switch SW2 is as follows SW2 1 AUTO RESTART FUNCTION OFF SW2 2 MUH type 2 SLEEP MODE function has been removed 3 ECONO COOL operation has been added 4 SWING ...

Page 3: ...pacity has changed 1 15 1 15kg 1 0 1 0kg MXZ 18NV MXZ 18RV 1 Outdoor model name has changed 2 Possibly connected indoor units combination was changed MSH 09NV 2 O2 MSC 09RV O2 MSH 07NV 2 MSH 12NV 2 MSC 07RV MSC 12RV MXZ 32NV MXZ 32RV 1 Outdoor model name has changed 2 Possibly connected indoor units were changed MSH 07NV 2 MSC 07RV MSH 09NV 2 MSC 09RV MSH 12NV 2 MSC 12RV MSH 18NV MSH 18NV 3 Contro...

Page 4: ...ge type Vertical vanes Air inlet Grille Remote control receiving section Remote controller Display section when the front grille is open Operation indicator lamp Receiving section Air cleaning filter white bellows type Front panel Air inlet Piping Drain hose Air outlet Drain outlet back and side OUTDOOR UNIT MU 07RV MU 09RV MU 12RV E1 E1 E1 MUH 07RV MUH 09RV MUH 12RV E1 E1 E1 ...

Page 5: ...24RV E1 Air inlet back and side Piping Drainage hose Air outlet Drain outlet Air inlet Air outlet back and side Model indication Air inlet Piping Air outlet Drain outlet Drainage hose back and side MXZ 18RV E1 MXZ 32RV E1 MUX 18RV E1 ...

Page 6: ...RV MUX 18RV MUX 24RV E1 E1 E1 E1 E1 E1 MUH 07RV MUH 09RV MUH 12RV MXZ 18RV MXZ 32RV E1 E1 E1 E1 E1 Signal transmitting section Operation display section OPERATE STOP ON OFF button OPERATION SELECT button FAN SPEED CONTROL button ON TIMER button CLOCK SET button HR button MIN button TIME SET button TEMPERATURE buttons VANE CONTROL button OFF TIMER button RESET button ON OFF TOO WARM TOO COOL HR MIN...

Page 7: ... 07 12 or 13 18 07 18 18 09 09 09 09 09 12 or 13 09 09 18 09 12 or 13 12 or 13 09 12 or 13 18 09 18 18 12 or 13 12 or 13 12 or 13 12 or 13 12 or 13 18 07 07 07 07 07 07 07 09 07 07 07 12 or 13 07 07 07 18 07 07 09 09 07 07 09 12 or 13 07 07 09 18 07 07 12 or 13 12 or 13 07 07 12 or 13 18 07 09 09 09 07 09 09 12 or 13 07 09 09 18 07 09 12 or 13 12 or 13 09 09 09 09 09 09 09 12 or 13 09 09 09 18 09 ...

Page 8: ...91 2 00 5 20 5 36 7 40 10 21 10 21 89 90 89 90 89 90 89 90 89 90 4 72 4 86 6 71 9 26 9 26 Outdoor unit power consumption kW 07 09 12 07 12 09 09 Indoor units combination Unit B Unit A Heating capacity kW Total 220V 240V Current A Power factor 3 3 3 6 4 0 2 7 2 9 3 1 2 9 3 3 2 0 4 0 3 6 2 0 4 5 4 0 2 2 4 7 5 8 2 1 5 8 5 8 2 0 5 8 1 45 0 69 1 60 1 47 0 69 1 62 1 63 0 69 1 69 1 785 0 69 1 785 1 785 0...

Page 9: ...3 0 8 8 6 6 3 7 8 1 7 2 3 7 8 5 8 0 3 7 9 0 8 0 3 7 9 0 7 8 3 7 8 8 8 0 3 7 9 0 8 0 3 7 9 0 8 0 3 7 9 0 8 0 3 7 9 0 8 0 3 7 9 0 1 00 0 96 1 14 1 77 0 96 1 36 1 42 1 00 1 63 1 84 1 00 1 99 1 63 1 30 2 03 1 88 1 30 2 23 2 38 1 30 3 60 2 74 1 30 3 60 2 13 1 30 3 60 2 63 1 30 3 60 3 29 1 30 3 60 3 38 1 30 3 60 3 38 1 30 3 60 3 38 1 30 3 60 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 ...

Page 10: ... 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 3 23 1 30 3 96 2 0 2 4 2 9 3 5 2 2 2 8 3 2 2 6 3 0 2 1 2 7 3 1 2 45 2 0 2 6 3 0 2 35 2 67 3 4 3 8 3 0...

Page 11: ...9 3 4 1 9 7 9 3 4 1 9 7 9 3 4 1 9 7 9 3 4 1 9 7 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 9 3 5 2 10 6 1 20 0 91 1 28 1 43 0 91 1 51 1 79 0 94 1 88 2 10 0 94 2 21 1 98 1 13 2 18 2 23 1 13 2 33 2 82 1 13 2 96 2 82 1 13 2 96 2 38 1 13 2 54 2 82 1 13 2 96 2 82 1 13 2 96 2 82 1 13 2 96 2 82 1 13 2 96 2 82 1 13 2 96 2 78 1 19 2 ...

Page 12: ...9 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 78 1 19 2 96 2 32 2 7 3 3 3 6 2 5 3 3 3 7 2 95 3 3 2 4 3 2 3 6 2 9 2 32 3 15 3 45 2 8 3 1 4...

Page 13: ... 5 76 RA6V23 EB WHT BLK 258 BLK RED 385 780o540o255 32 44 45 620 670 1 0 80 300 MS56 Cooling 474 36 950 2 2 0 8 1620 1752 2 98 2 93 645 675 98 4 96 0 19 2 70 2 64 0 28 0 29 3 24 3 10 MSC 09RV E1 Single phase 220 240V 50Hz 10 0 17 35 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 9 5 3 10 10 MU 09RV E1 Single phase 220 240V 50Hz 10 RH 145VGCT 700 C R 4 03 C S 5 71 RA6V23 EB WHT BLK 258 BLK RED 385 7...

Page 14: ...0 8 3 13 3 03 675 715 98 0 98 3 2 85 2 74 3 10 2 93 Heating 504 35 1000 2 5 2 98 2 88 645 685 98 4 99 1 2 70 2 59 3 68 3 47 MSC 09RV E1 Single phase 220 240V 50Hz 10 0 17 35 93 6 85 8 0 17 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 9 5 3 10 10 MUH 09RV E1 Single phase 220 240V 50Hz 1620 1752 10 25 0 28 0 29 RH 174VGHT 800 C R 3 30 C S 5 80 RA6V23 EA WHT BLK 258 BLK RED 385 780o540o255 33 47 620...

Page 15: ...6 C S 8 20 RA6V22 WHT BLK 325 0 BLK RED 393 3 760o540o230 31 46 47 700 1 1 0 270 MS56 Single A or B 2 2 0 8 3 33 3 43 705 755 96 0 92 0 3 06 3 16 2 97 2 78 Double A B 1 3o2 0 2o2 3 36 3 46 720 760 97 0 92 0 3 09 3 19 3 29 3 13 MSC 09RV E1 Cooling Single phase 220 240V 50Hz 474 10 0 17 35 94 86 0 17 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 9 5 36 950 3 10 10 MUX 18RV E1 Single phase 220 240V 5...

Page 16: ...5 0 4 12 3 99 2 67 2 56 MSC 12RV E1 Unit A B Cooling Single phase 220 240V 50Hz 588 10 0 19 40 96 88 0 19 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 10 5 39 1020 3 10 10 Double A B 2 0o2 0 5o2 6 46 6 46 1 38 1 48 97 0 95 0 6 18 6 15 2 74 2 56 Double C D 1 7o2 0 3o2 4 60 4 40 0 98 1 02 97 0 97 0 4 32 4 09 3 24 3 12 Double A C or A D B C or B D 3 1 2 3 1 4 0 8 10 78 10 38 2 33 2 40 98 0 96 0 10 5...

Page 17: ...RV E1 Single phase 220 240V 50Hz 10 0 17 35 94 0 86 0 0 17 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 9 5 3 10 10 Cooling 474 36 950 Heating 504 35 1000 W MSC 12RV E1 Single phase 220 240V 50Hz 10 0 19 40 96 0 88 0 0 19 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 10 5 3 10 10 Cooling 588 39 1020 Heating 642 39 1100 Electrical data Fan motor Special remarks Capacity W Refer to the above specif...

Page 18: ...o650o295 30 56 630 670 2 1 3 570 MS56 10 0 at 25 13 4 at 100 7 9 at 70 10 0 at 25 10 0 at 25 10 0 at 25 Cooling 4 5 1 6 4 5 10 21 9 26 2000 855 2000 89 0 90 0 9 81 8 86 2 25 45 Heating 5 8 2 0 5 8 9 02 8 26 1785 690 1785 90 0 90 0 8 62 7 86 3 25 46 Compressor Electrical data Fan motor Special remarks Capacity Coefficient of performance C O P Outdoor unit power supply MXZ 32RV E1 Single phase 220 2...

Page 19: ...RO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB27 WB19 Heating DB20 WB MSC 12RV Hi 220 240V NOTCH 39 SPL dB A LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB27 WB19 MU 0...

Page 20: ...NCIES Hz Test conditions Cooling DB35 WB24 MUX 18RV Hi 220 240V NOTCH 53 SPL dB A LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB35 WB24 Heating DB 7 WB 6 MUH 12RV Hi 220 240V NOTCH ...

Page 21: ...TE TERESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB35 WB24 Heating DB 7 WB 6 MXZ 32RV COOL 220V NOTCH COOL 240V HEAT 220V HEAT 240V 45 SPL dB A 47 46 48 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE TERESHOLD OF HEARING FOR CONTI...

Page 22: ...y cord Lead to right 1 0m Lead to left 0 3m Wireless remote controller Liquid line 6 35 0 5m Gas line 9 52 0 43m Insulation 37 O D 21 I D 278 116 5 81 5 818 278 850 165 629 56 or more 100 41 2 5 42 271 4 5 231 5 82 169 326 326 5 189 56 160 17 5 Air in Air out Insulation 28 Drain hose 16 Connected part O D Installation plate Wall hole 65 Indoor unit Installation plate Power supply cord Lead to righ...

Page 23: ...2RV Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 Air out Air in Air in 109 32 110 147 Drainage 3holes 33 If clearance behind the outdoor units only 40B or 50B side A must be fully open 10cm or more 10cm or more 10cm or more Outdoor unit 35cm or more REQUIRED SPACE A 40cm or more Unit mm OUTDOOR UNIT MU 07RV MU 09RV MU 12RV E1 E1 E1 MUH 07RV MUH 09RV MUH 12RV E1 E1 E1 ...

Page 24: ...s any obstacle exists in right left and rear sides REQUIRED SPACE Unit A MUX10RV E1 OUTDOOR UNIT 16 310 16 290 5 30 605 292 20 500 Bolt pitch for installation 50 90 57 57 57 Service port Stop valve 3 8F A 154 6 Service portBC Gas side union 3 8F Liquid side union 1 4F Stop valve 1 4F 30 52 186 70 66 Electrical wiring entrance Rear 15 25 Unless any obstacle exists in right left and rear sides C B U...

Page 25: ... 8 2 U Shape noched hols Base bolt M10 Wiring hole 2 Oval hols 12Å 36 Base bolt M10 Handle for moving Gus pipe flared É 12 7 Liquid pipe flared É 6 35 Gus pipe flared É 9 52 Air in Air out Air in Handle for moving 372 412 200 200 500 53 29 750 328 900 27 34 330 Unit mm ...

Page 26: ...ole Base bolt M10 Base bolt M10 2 Oval hols 12 13 2 U Shape noched hols 33 524 339 302 524 77 2 25 12 17 R 6 40 116 A B 57 107 57 57 505 30 870 650 10 Max 10 units Air in Air in Air out 185 185 500 362 10 10 500 500 100 500 10 200 330 39 5 27 5 17 15 Leave front clearance fully Space for servicing Leave overhead clearance fully Rear piping hole Rear air intake Side air intake Handle for moving Han...

Page 27: ...27 40 16 16 500 Veranda Base Rubber cushion More than 500 Note Leave front and both sides clearance fully Note Leave front and overhead clearance fully Note Leave front overhead and both clearance fully 2 12 36 Oval hole 23 10 35 320 900 88 460 50 900 350 0 480 8 531 3 317 23 33 Handle for moving Air in Indoor and outdoor connect wiring Air in 23 45 hole D unit connection C unit connection B unit ...

Page 28: ...K 4 3 2 1 MF 121 CN 1 2 3 111 CN 112 CN RT12 RT11 NR11 HIC1 TRANS F11 ELECTRONIC CONTROL P C BOARD CN211 TAB12 CN201 3 2 1 CN202 2 1 LD101T 151 CN 5 5 BRN RED BLU WHT BLK BLU BRN TB L 3 N 2 1 12V TO OUTDOOR UNIT CONNECTING POWER SUPPLY CORD N 220 240V 50Hz GRN YLW POWER MONITOR RECEIVER P C BOARD REMOTE CONTROLLER MV FOR MUH OR MXZ TYPE FOR MU OR MUX TYPE 12V PE INDOOR UNIT NOTE 1 About the outdoo...

Page 29: ...2RV E1 E1 E1 MODELS WIRING DIAGRAM OUTDOOR UNIT MU 07RV MU 09RV MU 12RV E1 E1 E1 NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use c...

Page 30: ...RED BLU RED BLK 21R2 21R1 21R 52C1 TB 52C2 MF WHT 2 WHT 1 51C R S MC C X2 N L POWER SUPPLY N 220 240V 50Hz TB GRN YLW BLK 2 2 1 1 WHT ORN GRY FROM INDOOR UNIT No A CONNECTING 12V X1 1 2 1 2 FROM INDOOR UNIT No B CONNECTING 12V 2 TB3 C1 SYMBOL 51C 52C1 51C2 SYMBOL TB1 TB2 TB3 X1 X2 21R 21R1 21R2 SYMBOL C1 C2 F12 F13 MC MF NAME NAME NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR FUSE 2A FUSE 2A COM...

Page 31: ...4 4 3 BRN BLU BRN BRN WHT RED GRY WHT BLU BLU YLW BLK WHT ORN RED OUTDOOR UNIT MODEL MUX 18RV E1 NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring SYMBOL 51C1 51C2 52CA 52C1 52C2 SYMBOL TB TB2 TB3 X1 X11 X12 X2 21R 21R1 21R2 SYMBOL C1 C2 C3 F12 F13 F14 MC1 MC2 MF NAME NAME NAME COMPRESSOR CAPACI...

Page 32: ... UNIT No D CONNECTING 12V X2 MC2 C R S C2 2 1 2 1 X3 X4 FROM INDOOR UNIT No C CONNECTING 12V FROM INDOOR UNIT No B CONNECTING 12V 2 1 ORN ORN WHT WHT GRY GRY GRN YLW 2 2 1 1 F CIRCUIT OUTDOOR UNIT NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring SYMBOL 52C3 52C4 21R1 21R2 21R3 21R4 21RA 21RB SY...

Page 33: ... BLK RED WHT BLK YLW RED BRN RED ORN YLW GRN BLU BLU ORN YLW WHT RED GRN BLK BLU BRN BLK YLW BRN RED YLW YLW BLU RED BRN RED MODELS MXZ 18RV E1 NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring SYMBOL RT63 RT64 RT65 RT66 RT67 R64 SYMBOL L LEV A B L61 MC MF NF61 62 NR61 RT61 RT62 SYMBOL AR61 CT61...

Page 34: ...AB63 T801 CT62 TAB66 TAB65 TAB64 I P M P C BOARD F801 1A CN704 CN514 CN554 CN551 CN723 1 2 3 4 5 6 7 8 RT62 RT64 RT61 RT65 GRY GRY BLK BLK GRY GRY GRY GRY BRN BLU ORN YLW WHT LEV D ELECTRONIC CONTROL P C BOARD MC PE FROM INDOOR UNIT CONNECTING 12V SYMBOL C61 C62 63 C65 CH CT61 62 DS61 DS62 F801 F911 L L61 LEV A D SYMBOL MC MF61 R RT61 RT62 RT63 RT64 RT65 RT66 67 RT68 69 SSR61 62 SSR63 NAME POWER F...

Page 35: ... 35 Option with heat insulator Refrigerant flow in cooling Unit mm Unit mm Refrigerant pipe 12 7 Option with heat insulator Stop valve with service port Stop valve with service port Strainer Refrigerant pipe 6 35 Option with heat insulator Stop valve Capillary tube 3 0x 1 6x600 Refrigerant flow in cooling Outdoor heat exchanger Room temperature thermistor RT11 Indoor coil thermistor RT12 Indoor co...

Page 36: ...g ON cooling OFF MSC 07RV MSC 09RV E1 E1 MUH 07RV MUH 09RV E1 E1 INDOOR UNIT OUTDOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 with heat insulator Refrigerant pipe 9 52 Option Muffler Reversing valve Defrost thermistor RT61 Accumulator Strainer Outdoor heat exchanger Capillary tube 3 0x 1 4x800 2 pcs Capillary tube 3 0x 1 6x600 MUH 07RV 3 0x 1 6x400 MUH 09RV Capillary tube 3 0x 1...

Page 37: ...C 12RV E1 MU 12RV E1 Indoor unit w Max Height difference 5m Height difference should be within 5m regardless of which unit indoor or outdoor position is high Outdoor unit Refrigerant Piping Max length A Models Refrigerant piping length one way Models Refrigerant piping length one way Outdoor unit precharged 800 1190 15m 400 7m 0 10m 150 MSC 07RV E1 MUH 07RV E1 MSC 09RV E1 MUH 09RV E1 MSC 12RV E1 M...

Page 38: ... 21R2 Capillary tube 1 4 x 400 Capillary tube 1 4 x 400 Capillary tube Capillary tube 1 4 x 200 1 6 x 1 000 Compressor Refrigerant flow Stop valve with service port Stop valve Stop valve MSC 07RV E1 MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE ADDITIONAL REFRIGERANT CHARGE R 22 g PIPING PREPARATION 1 Table below shows the specifications of pipes commercially available 2 Ensure that the 2 re...

Page 39: ...n Refrigerant pipe 6 35 1 4 Flared connection Refrigerant pipe 9 52 3 8 option With insulation Refrigerant pipe 6 35 1 4 Flared connection Stop valve with service port Stop valve Solenoid valve 21R1 Solenoid valve 21R1 Solenoid valve 21R Stop valve with service port Stop valve with service port Capillary tube 1 4 1100 Capillary tube 1 6 1100 Capillary tube 1 6 1100 Capillary tube 1 6 300 Capillary...

Page 40: ... 0 8m 15 9m 30 10m 45 11m 60 12m 75 13m 90 14m 105 15m 120 MSX 18RV E1 ADDITIONAL REFRIGERANT CHARGE R 22 g Max limits UNIT No A B C Pipe length 10m 10m Total 15m LB LC 10m LA LB LC Height difference H 5m 5m 5m No of bends 10 10 Total 15 10 PIPING PREPARATION 1Table below shows the specifications of pipes commercially available 2Ensure that the 2 refrigerant pipes are well insulated to prevent con...

Page 41: ...Capillary tube Capillary tube 1 8 x 260 1 6 x 1 000 Compressor 1 Refrigerant flow Stop valve with service port Stop valve Stop valve UNIT C Indoor heat exchanger Indoor coil thermistor RT12 Room temperature thermistor RT11 UNIT D Indoor heat exchanger Indoor coil thermistor RT12 Room temperature thermistor RT11 option With insulation Refrigerant pipe 9 52 3 8 option With insulation Refrigerant pip...

Page 42: ...ote The length of individual units A B C D should not exceed 20 meters If units A and B or C and D are linked the maximum combined length of piping should not exceed 30 meters Outdoor unit precharged g 1000g 1000g Refrigerant piping length one way 2 unit total 10 m 11 m 12 m 13 m 14 m 15 m 16 m 17 m 18 m 19 m 20 m 21 m 22 m 23 m 24 m 25 m 26 m 27 m 28 m 29 m 30 m 0 10 20 30 40 50 60 70 80 90 100 1...

Page 43: ...D Ball valve with service port Ball valve with service port Distributor Strainer Strainer LEV Oil separator Compressor High pressure switch 1 Suction temperature thermistor Low pressure switch Accumulator Capillary tube Capillary tube Capillary tube Reversing valve 2 way valve Discharge temperature thermistor Evaporation temperature thermistor RT67 Defrost thermistor Strainer Distributor Outdoor h...

Page 44: ... bending point 60 It does not matter which unit is higher a b c d Outdoor unit Indoor units H H H MAX REFRIGERANT PIPING LENGTH MXZ 18RV E1 Piping length for each indoor unit a b 20m Total piping length a b 30m Height difference between units H 7m Bending point for each unit 15 Total bending point 30 It does not matter which unit is higher a b Outodoor unit H H H ...

Page 45: ...1 4 Indoor unit A Gas 12 7 1 2 Liquid 6 35 1 4 Indoor unit B Gas 12 7 1 2 Liquid 6 35 1 4 Indoor unit C Gas 9 52 3 8 Liquid 6 35 1 4 Indoor unit D Gas 9 52 3 8 Unit mm inch PIPE SIZE SELECTION MXZ 18RV E1 Refrigerant pipe diameter is different according to indoor unit to be connected When using extension pipes refer to the table below When diameter of refrigerant pipe is different from that of out...

Page 46: ...ir wet bulb dry bulb temperature difference 1 Attach at least 2 sets of wet and dry bulb thermometers to the indoor air intake as shown in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The thermometers must be attached to the position where air speed is high 2 Attach at least 2 sets of wet and dry bulb thermometers to the outdoor air intake Cover the ther...

Page 47: ...24 1 22 3 20 4 18 6 16 7 14 9 13 0 11 1 19 5 18 0 16 5 15 0 13 5 12 0 10 5 9 0 MSC 07RV E1 MUH 07RV E1 MUH 09RV E1 MSC 09RV E1 MUH 12RV E1 MSC 12RV E1 24 4 22 6 20 7 18 8 16 9 15 0 13 2 11 3 NOTE The above curves are for the heating operation without any frost 10 1 2 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under the same temperature humidity co...

Page 48: ...t humidity Ambient temperature C Ambient humidity Outdoor unit current A kgf F G MPa G kgf F G MPa G 15 20 50 25 60 30 70 35 0 3 0 4 0 5 0 6 0 7 18 32 7 6 5 4 3 220V 240V 15 20 50 25 60 30 70 35 1 5 2 0 2 5 3 0 3 5 18 32 220V 240V MUH 07RV E1 MUH 07RV E1 Outdoor low pressure Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor unit current A kgf F G MPa G 15 20 50 ...

Page 49: ...4 5 5 0 7 21 240V 220V Outdoor unit current A Outdoor unit current A Outdoor unit current A Ambient temperature C Ambient temperature C Ambient temperature C MUH 12RV E1 MUH 07RV E1 MUH 09RV E1 15 20 50 25 60 30 32 70 35 0 3 0 4 0 5 0 6 0 7 18 7 6 5 4 3 220V 240V MUH 12RV E1 Outdoor low pressure Ambient temperature C Ambient humidity 15 20 50 25 60 30 70 35 4 0 4 5 5 0 5 5 6 0 18 32 220V 240V MUH ...

Page 50: ...nit A C 4 3 2 4 3 2 5 4 2 3 1 8 9 7 6 5 240V 220V 9 240V 220V 240V 220V 240V 220V 0 9 70 Dry bulb temperature Relative humidity 50 60 20 25 30 10 2 2 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under same temperature humidity condition Air flow should be set at MAX MUX 10RV E1 MUX 18RV E1 6 9 7 8 8 7 9 6 10 6 11 6 MUX 24RV E1 MSC 12RV E1 6 4 7 2 8 ...

Page 51: ...220V 0 8 0 7 0 6 0 5 0 4 7 6 5 4 3 kgf F G MPa G Outdoor low pressure kgf F G 7 6 5 4 8 9 0 7 0 6 0 5 0 4 0 3 0 2 kgf F G MPa G Outdoor low pressure kgf F G 6 5 4 3 2 7 0 7 0 6 0 5 0 4 0 3 0 2 kgf F G MPa G Outdoor low pressure kgf F G 6 5 4 3 2 7 0 8 0 7 0 6 0 5 0 4 0 3 kgf F G MPa G Outdoor low pressure kgf F G 7 6 5 4 3 8 240V 220V 8 6 5 4 3 2 8 7 7 6 5 4 3 8 7 6 5 4 3 8 2 2 0 9 220V 240V 220V ...

Page 52: ...0 70Hz Frequency HEAT Capacity 1 5 1 0 0 5 Frequency HEAT Total input Frequency COOL Capacity 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency COOL Capacity Frequency COOL Total input Frequency HEAT Capacity Frequency HEAT Total input 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency COOL Total input 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency HEAT Capacity 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency HEAT Total inpu...

Page 53: ...0 50 60Hz Frequency COOL Capacity 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency COOL Capacity 1 5 1 0 0 5 30 40 50 60Hz Frequency COOL Total input 1 5 1 0 0 5 30 40 50 60Hz Frequency HEAT Capacity 1 5 1 0 0 5 30 40 50 60Hz Frequency HEAT Total input 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency COOL Total input 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequency HEAT Capacity 1 5 1 0 0 5 30 40 50 60 70 80Hz Frequen...

Page 54: ...mpressor starts running at 58Hz COOL HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 58Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB C 2 7 15 20 0 WB C 1 6 12 14 5 0 6 0 5 0 4 0 3 0 2 18 20 25 30 32 o C 50 60 70 Ambient te...

Page 55: ... 58Hz COOL HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 2Air flow speed HI 3Inverter output frequency 58Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 58Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB C 2 7 15 20 0 WB C 1 6 12 14 5 0 6 0 5 0 4 0 3 0 2 18 20 25 30 3...

Page 56: ...ng at 58Hz COOL HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 2Air flow speed HI 3Inverter output frequency 58Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 58Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB C 2 7 15 20 0 WB C 1 6 12 14 5 0 6 0 5 0 4 0 3 0 2 18 20 25...

Page 57: ...locat ed on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 58Hz COOL or 40Hz HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 40Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB C 2 7 15 20 0 WB ...

Page 58: ...Press emergency run ON OFF button 3 Compressor starts running at 58Hz COOL or 40Hz HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 2Air flow speed HI 3Inverter output frequency 58Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 40Hz 2 HEAT operation DB C 20 0 WB C ...

Page 59: ...ess emergency run ON OFF button 3 Compressor starts running at 58Hz COOL or 40Hz HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 2Air flow speed HI 3Inverter output frequency 58Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 40Hz 2 HEAT operation DB C 20 0 WB C 14...

Page 60: ... Press emergency run ON OFF button 3 Compressor starts running at 58Hz COOL or 40Hz HEAT 4 Indoor fan runs at HI speed 5 To cancel this operation press emergency run ON OFF button or any button on remote controller Air flow speed HI Inverter output frequency 58Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 58Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB C 2 7 15 20 0 WB C 1 6...

Page 61: ...1 22 0 44 673 2 68 1 18 0 44 707 27 26 3 04 0 97 0 32 653 2 95 0 94 0 32 687 2 90 0 93 0 32 707 2 82 0 90 0 32 728 28 18 2 59 2 17 0 84 544 2 48 2 08 0 84 571 2 38 2 00 0 84 598 2 29 1 92 0 84 626 28 20 2 70 1 94 0 72 571 2 59 1 86 0 72 605 2 51 1 81 0 72 619 2 42 1 74 0 72 646 28 22 2 81 1 68 0 60 592 2 71 1 62 0 60 629 2 64 1 58 0 60 646 2 53 1 52 0 60 673 28 24 2 95 1 42 0 48 619 2 84 1 36 0 48...

Page 62: ... 0 52 782 29 26 2 66 1 06 0 40 775 2 51 1 00 0 40 809 30 18 2 16 1 98 0 92 666 1 98 1 82 0 92 707 30 20 2 27 1 81 0 80 694 2 11 1 69 0 80 728 30 22 2 40 1 63 0 68 721 2 24 1 53 0 68 762 30 24 2 53 1 42 0 56 748 2 38 1 33 0 56 782 30 26 2 66 1 17 0 44 775 2 51 1 10 0 44 809 31 18 2 16 2 07 0 96 666 1 98 1 90 0 96 707 31 20 2 27 1 90 0 84 694 2 11 1 77 0 84 728 31 22 2 40 1 73 0 72 721 2 24 1 62 0 7...

Page 63: ...1 22 0 44 703 2 68 1 18 0 44 738 27 26 3 04 0 97 0 32 682 2 95 0 94 0 32 717 2 90 0 93 0 32 738 2 82 0 90 0 32 760 28 18 2 59 2 17 0 84 568 2 48 2 08 0 84 596 2 38 2 00 0 84 625 2 29 1 92 0 84 653 28 20 2 70 1 94 0 72 596 2 59 1 86 0 72 632 2 51 1 81 0 72 646 2 42 1 74 0 72 675 28 22 2 81 1 68 0 60 618 2 71 1 62 0 60 657 2 64 1 58 0 60 675 2 53 1 52 0 60 703 28 24 2 95 1 42 0 48 646 2 84 1 36 0 48...

Page 64: ... 0 52 817 29 26 2 66 1 06 0 40 809 2 51 1 00 0 40 845 30 18 2 16 1 98 0 92 696 1 98 1 82 0 92 738 30 20 2 27 1 81 0 80 724 2 11 1 69 0 80 760 30 22 2 40 1 63 0 68 753 2 24 1 53 0 68 795 30 24 2 53 1 42 0 56 781 2 38 1 33 0 56 817 30 26 2 66 1 17 0 44 809 2 51 1 10 0 44 845 31 18 2 16 2 07 0 96 696 1 98 1 90 0 96 738 31 20 2 27 1 90 0 84 724 2 11 1 77 0 84 760 31 22 2 40 1 73 0 72 753 2 24 1 62 0 7...

Page 65: ...1 26 0 40 772 3 05 1 22 0 40 811 27 26 3 45 0 97 0 28 749 3 35 0 94 0 28 788 3 30 0 92 0 28 811 3 20 0 90 0 28 835 28 18 2 94 2 35 0 80 624 2 81 2 25 0 80 655 2 70 2 16 0 80 686 2 60 2 08 0 80 718 28 20 3 06 2 08 0 68 655 2 94 2 00 0 68 694 2 85 1 94 0 68 710 2 75 1 87 0 68 741 28 22 3 19 1 79 0 56 679 3 08 1 72 0 56 722 3 00 1 68 0 56 741 2 88 1 61 0 56 772 28 24 3 35 1 47 0 44 710 3 23 1 42 0 44...

Page 66: ...0 0 48 897 29 26 3 03 1 09 0 36 889 2 85 1 03 0 36 928 30 18 2 45 2 16 0 88 764 2 25 1 98 0 88 811 30 20 2 58 1 96 0 76 796 2 40 1 82 0 76 835 30 22 2 73 1 74 0 64 827 2 55 1 63 0 64 874 30 24 2 88 1 50 0 52 858 2 70 1 40 0 52 897 30 26 3 03 1 21 0 40 889 2 85 1 14 0 40 928 31 18 2 45 2 25 0 92 764 2 25 2 07 0 92 811 31 20 2 58 2 06 0 80 796 2 40 1 92 0 80 835 31 22 2 73 1 85 0 68 827 2 55 1 73 0 ...

Page 67: ...1 26 0 40 802 3 05 1 22 0 40 842 27 26 3 45 0 97 0 28 778 3 35 0 94 0 28 818 3 30 0 92 0 28 842 3 20 0 90 0 28 867 28 18 2 94 2 35 0 80 648 2 81 2 25 0 80 680 2 70 2 16 0 80 713 2 60 2 08 0 80 745 28 20 3 06 2 08 0 68 680 2 94 2 00 0 68 721 2 85 1 94 0 68 737 2 75 1 87 0 68 770 28 22 3 19 1 79 0 56 705 3 08 1 72 0 56 749 3 00 1 68 0 56 770 2 88 1 61 0 56 802 28 24 3 35 1 47 0 44 737 3 23 1 42 0 44...

Page 68: ...0 0 48 932 29 26 3 03 1 09 0 36 923 2 85 1 03 0 36 964 30 18 2 45 2 16 0 88 794 2 25 1 98 0 88 842 30 20 2 58 1 96 0 76 826 2 40 1 82 0 76 867 30 22 2 73 1 74 0 64 859 2 55 1 63 0 64 907 30 24 2 88 1 50 0 52 891 2 70 1 40 0 52 932 30 26 3 03 1 21 0 40 923 2 85 1 14 0 40 964 31 18 2 45 2 25 0 92 794 2 25 2 07 0 92 842 31 20 2 58 2 06 0 80 826 2 40 1 92 0 80 867 31 22 2 73 1 85 0 68 859 2 55 1 73 0 ...

Page 69: ...37 1297 4 27 1 58 0 37 1362 27 26 4 83 1 21 0 25 1258 4 69 1 17 0 25 1323 4 62 1 16 0 25 1362 4 48 1 12 0 25 1402 28 18 4 11 3 17 0 77 1048 3 94 3 03 0 77 1100 3 78 2 91 0 77 1153 3 64 2 80 0 77 1205 28 20 4 29 2 79 0 65 1100 4 11 2 67 0 65 1166 3 99 2 59 0 65 1192 3 85 2 50 0 65 1245 28 22 4 46 2 37 0 53 1140 4 31 2 28 0 53 1212 4 20 2 23 0 53 1245 4 03 2 13 0 53 1297 28 24 4 69 1 92 0 41 1192 4 ...

Page 70: ...07 29 26 4 24 1 40 0 33 1493 3 99 1 32 0 33 1559 30 18 3 43 2 92 0 85 1284 3 15 2 68 0 85 1362 30 20 3 61 2 63 0 73 1336 3 36 2 45 0 73 1402 30 22 3 82 2 33 0 61 1389 3 57 2 18 0 61 1467 30 24 4 03 1 97 0 49 1441 3 78 1 85 0 49 1507 30 26 4 24 1 57 0 37 1493 3 99 1 48 0 37 1559 31 18 3 43 3 05 0 89 1284 3 15 2 80 0 89 1362 31 20 3 61 2 78 0 77 1336 3 36 2 59 0 77 1402 31 22 3 82 2 48 0 65 1389 3 5...

Page 71: ...37 1376 4 27 1 58 0 37 1446 27 26 4 83 1 21 0 25 1334 4 69 1 17 0 25 1404 4 62 1 16 0 25 1446 4 48 1 12 0 25 1487 28 18 4 11 3 17 0 77 1112 3 94 3 03 0 77 1168 3 78 2 91 0 77 1223 3 64 2 80 0 77 1279 28 20 4 29 2 79 0 65 1168 4 11 2 67 0 65 1237 3 99 2 59 0 65 1265 3 85 2 50 0 65 1321 28 22 4 46 2 37 0 53 1209 4 31 2 28 0 53 1286 4 20 2 23 0 53 1321 4 03 2 13 0 53 1376 28 24 4 69 1 92 0 41 1265 4 ...

Page 72: ...99 29 26 4 24 1 40 0 33 1585 3 99 1 32 0 33 1654 30 18 3 43 2 92 0 85 1362 3 15 2 68 0 85 1446 30 20 3 61 2 63 0 73 1418 3 36 2 45 0 73 1487 30 22 3 82 2 33 0 61 1473 3 57 2 18 0 61 1557 30 24 4 03 1 97 0 49 1529 3 78 1 85 0 49 1599 30 26 4 24 1 57 0 37 1585 3 99 1 48 0 37 1654 31 18 3 43 3 05 0 89 1362 3 15 2 80 0 89 1446 31 20 3 61 2 78 0 77 1418 3 36 2 59 0 77 1487 31 22 3 82 2 48 0 65 1473 3 5...

Page 73: ...1 22 0 44 703 2 68 1 18 0 44 738 27 26 3 04 0 97 0 32 682 2 95 0 94 0 32 717 2 90 0 93 0 32 738 2 82 0 90 0 32 760 28 18 2 59 2 17 0 84 568 2 48 2 08 0 84 596 2 38 2 00 0 84 625 2 29 1 92 0 84 653 28 20 2 70 1 94 0 72 596 2 59 1 86 0 72 632 2 51 1 81 0 72 646 2 42 1 74 0 72 675 28 22 2 81 1 68 0 60 618 2 71 1 62 0 60 657 2 64 1 58 0 60 675 2 53 1 52 0 60 703 28 24 2 95 1 42 0 48 646 2 84 1 36 0 48...

Page 74: ...4 0 52 817 29 26 2 66 1 06 0 40 809 2 51 1 00 0 40 845 30 18 2 16 1 98 0 92 696 1 98 1 82 0 92 738 30 20 2 27 1 81 0 80 724 2 11 1 69 0 80 760 30 22 2 40 1 63 0 68 753 2 24 1 53 0 68 795 30 24 2 53 1 42 0 56 781 2 38 1 33 0 56 817 30 26 2 66 1 17 0 44 809 2 51 1 10 0 44 845 31 18 2 16 2 07 0 96 696 1 98 1 90 0 96 738 31 20 2 27 1 90 0 84 724 2 11 1 77 0 84 760 31 22 2 40 1 73 0 72 753 2 24 1 62 0 ...

Page 75: ...1 22 0 44 743 2 68 1 18 0 44 780 27 26 3 04 0 97 0 32 720 2 95 0 94 0 32 758 2 90 0 93 0 32 780 2 82 0 90 0 32 803 28 18 2 59 2 17 0 84 600 2 48 2 08 0 84 630 2 38 2 00 0 84 660 2 29 1 92 0 84 690 28 20 2 70 1 94 0 72 630 2 59 1 86 0 72 668 2 51 1 81 0 72 683 2 42 1 74 0 72 713 28 22 2 81 1 68 0 60 653 2 71 1 62 0 60 694 2 64 1 58 0 60 713 2 53 1 52 0 60 743 28 24 2 95 1 42 0 48 683 2 84 1 36 0 48...

Page 76: ...4 0 52 863 29 26 2 66 1 06 0 40 855 2 51 1 00 0 40 893 30 18 2 16 1 98 0 92 735 1 98 1 82 0 92 780 30 20 2 27 1 81 0 80 765 2 11 1 69 0 80 803 30 22 2 40 1 63 0 68 795 2 24 1 53 0 68 840 30 24 2 53 1 42 0 56 825 2 38 1 33 0 56 863 30 26 2 66 1 17 0 44 855 2 51 1 10 0 44 893 31 18 2 16 2 07 0 96 735 1 98 1 90 0 96 780 31 20 2 27 1 90 0 84 765 2 11 1 77 0 84 803 31 22 2 40 1 73 0 72 795 2 24 1 62 0 ...

Page 77: ... 1 26 0 40 871 3 05 1 22 0 40 915 27 26 3 45 0 97 0 28 845 3 35 0 94 0 28 889 3 30 0 92 0 28 915 3 20 0 90 0 28 942 28 18 2 94 2 35 0 80 704 2 81 2 25 0 80 739 2 70 2 16 0 80 774 2 60 2 08 0 80 810 28 20 3 06 2 08 0 68 739 2 94 2 00 0 68 783 2 85 1 94 0 68 801 2 75 1 87 0 68 836 28 22 3 19 1 79 0 56 766 3 08 1 72 0 56 814 3 00 1 68 0 56 836 2 88 1 61 0 56 871 28 24 3 35 1 47 0 44 801 3 23 1 42 0 4...

Page 78: ... 26 3 03 1 09 0 36 1003 2 85 1 03 0 36 1047 30 18 2 45 2 16 0 88 862 2 25 1 98 0 88 915 30 20 2 58 1 96 0 76 898 2 40 1 82 0 76 942 30 22 2 73 1 74 0 64 933 2 55 1 63 0 64 986 30 24 2 88 1 50 0 52 968 2 70 1 40 0 52 1012 30 26 3 03 1 21 0 40 1003 2 85 1 14 0 40 1047 31 18 2 45 2 25 0 92 862 2 25 2 07 0 92 915 31 20 2 58 2 06 0 80 898 2 40 1 92 0 80 942 31 22 2 73 1 85 0 68 933 2 55 1 73 0 68 986 3...

Page 79: ... 1 26 0 40 911 3 05 1 22 0 40 957 27 26 3 45 0 97 0 28 883 3 35 0 94 0 28 929 3 30 0 92 0 28 957 3 20 0 90 0 28 984 28 18 2 94 2 35 0 80 736 2 81 2 25 0 80 773 2 70 2 16 0 80 810 2 60 2 08 0 80 846 28 20 3 06 2 08 0 68 773 2 94 2 00 0 68 819 2 85 1 94 0 68 837 2 75 1 87 0 68 874 28 22 3 19 1 79 0 56 800 3 08 1 72 0 56 851 3 00 1 68 0 56 874 2 88 1 61 0 56 911 28 24 3 35 1 47 0 44 837 3 23 1 42 0 4...

Page 80: ...6 3 03 1 09 0 36 1049 2 85 1 03 0 36 1095 30 18 2 45 2 16 0 88 902 2 25 1 98 0 88 957 30 20 2 58 1 96 0 76 938 2 40 1 82 0 76 984 30 22 2 73 1 74 0 64 975 2 55 1 63 0 64 1030 30 24 2 88 1 50 0 52 1012 2 70 1 40 0 52 1058 30 26 3 03 1 21 0 40 1049 2 85 1 14 0 40 1095 31 18 2 45 2 25 0 92 902 2 25 2 07 0 92 957 31 20 2 58 2 06 0 80 938 2 40 1 92 0 80 984 31 22 2 73 1 85 0 68 975 2 55 1 73 0 68 1030 ...

Page 81: ...37 1208 4 15 1 53 0 37 1269 27 26 4 69 1 17 0 25 1171 4 56 1 14 0 25 1232 4 49 1 12 0 25 1269 4 35 1 09 0 25 1305 28 18 4 00 3 08 0 77 976 3 83 2 95 0 77 1025 3 67 2 83 0 77 1074 3 54 2 72 0 77 1122 28 20 4 17 2 71 0 65 1025 4 00 2 60 0 65 1086 3 88 2 52 0 65 1110 3 74 2 43 0 65 1159 28 22 4 34 2 30 0 53 1061 4 18 2 22 0 53 1129 4 08 2 16 0 53 1159 3 91 2 07 0 53 1208 28 24 4 56 1 87 0 41 1110 4 3...

Page 82: ...03 29 26 4 11 1 36 0 33 1391 3 88 1 28 0 33 1452 30 18 3 33 2 83 0 85 1196 3 06 2 60 0 85 1269 30 20 3 50 2 56 0 73 1244 3 26 2 38 0 73 1305 30 22 3 71 2 26 0 61 1293 3 47 2 12 0 61 1366 30 24 3 91 1 92 0 49 1342 3 67 1 80 0 49 1403 30 26 4 11 1 52 0 37 1391 3 88 1 43 0 37 1452 31 18 3 33 2 97 0 89 1196 3 06 2 72 0 89 1269 31 20 3 50 2 70 0 77 1244 3 26 2 51 0 77 1305 31 22 3 71 2 41 0 65 1293 3 4...

Page 83: ... 37 1287 4 15 1 53 0 37 1352 27 26 4 69 1 17 0 25 1248 4 56 1 14 0 25 1313 4 49 1 12 0 25 1352 4 35 1 09 0 25 1391 28 18 4 00 3 08 0 77 1040 3 83 2 95 0 77 1092 3 67 2 83 0 77 1144 3 54 2 72 0 77 1196 28 20 4 17 2 71 0 65 1092 4 00 2 60 0 65 1157 3 88 2 52 0 65 1183 3 74 2 43 0 65 1235 28 22 4 34 2 30 0 53 1131 4 18 2 22 0 53 1203 4 08 2 16 0 53 1235 3 91 2 07 0 53 1287 28 24 4 56 1 87 0 41 1183 4...

Page 84: ...95 29 26 4 11 1 36 0 33 1482 3 88 1 28 0 33 1547 30 18 3 33 2 83 0 85 1274 3 06 2 60 0 85 1352 30 20 3 50 2 56 0 73 1326 3 26 2 38 0 73 1391 30 22 3 71 2 26 0 61 1378 3 47 2 12 0 61 1456 30 24 3 91 1 92 0 49 1430 3 67 1 80 0 49 1495 30 26 4 11 1 52 0 37 1482 3 88 1 43 0 37 1547 31 18 3 33 2 97 0 89 1274 3 06 2 72 0 89 1352 31 20 3 50 2 70 0 77 1326 3 26 2 51 0 77 1391 31 22 3 71 2 41 0 65 1378 3 4...

Page 85: ...1109 3 16 1222 3 68 1310 4 20 1373 4 68 1411 5 20 1449 CAPACITY 4 0 kW INPUT 1260 W MSC 07RV MUH 07RV E1 E1 HEAT operation 240V OUTDOOR DB INDOOR 10 5 0 5 10 15 20 DB Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 1 58 468 1 90 562 2 23 634 2 55 684 2 88 727 3 18 749 3 50 763 21 1 50 504 1 80 598 2 13 662 2 43 713 2 75 749 3 05 770 3 36 799 26 1 35 540 1 68 634 1 98 698 2 30 749 2 63 7...

Page 86: ... 1 18 0 44 770 27 26 3 04 0 97 0 32 710 2 95 0 94 0 32 747 2 90 0 93 0 32 770 2 82 0 90 0 32 792 28 18 2 59 2 17 0 84 592 2 48 2 08 0 84 622 2 38 2 00 0 84 651 2 29 1 92 0 84 681 28 20 2 70 1 94 0 72 622 2 59 1 86 0 72 659 2 51 1 81 0 72 673 2 42 1 74 0 72 703 28 22 2 81 1 68 0 60 644 2 71 1 62 0 60 685 2 64 1 58 0 60 703 2 53 1 52 0 60 733 28 24 2 95 1 42 0 48 673 2 84 1 36 0 48 710 2 77 1 33 0 4...

Page 87: ...51 29 26 2 66 1 06 0 40 844 2 51 1 00 0 40 881 30 18 2 16 1 98 0 92 725 1 98 1 82 0 92 770 30 20 2 27 1 81 0 80 755 2 11 1 69 0 80 792 30 22 2 40 1 63 0 68 784 2 24 1 53 0 68 829 30 24 2 53 1 42 0 56 814 2 38 1 33 0 56 851 30 26 2 66 1 17 0 44 844 2 51 1 10 0 44 881 31 18 2 16 2 07 0 96 725 1 98 1 90 0 96 770 31 20 2 27 1 90 0 84 755 2 11 1 77 0 84 792 31 22 2 40 1 73 0 72 784 2 24 1 62 0 72 829 3...

Page 88: ...1 18 0 44 822 27 26 3 04 0 97 0 32 758 2 95 0 94 0 32 798 2 90 0 93 0 32 822 2 82 0 90 0 32 845 28 18 2 59 2 17 0 84 632 2 48 2 08 0 84 664 2 38 2 00 0 84 695 2 29 1 92 0 84 727 28 20 2 70 1 94 0 72 664 2 59 1 86 0 72 703 2 51 1 81 0 72 719 2 42 1 74 0 72 751 28 22 2 81 1 68 0 60 687 2 71 1 62 0 60 731 2 64 1 58 0 60 751 2 53 1 52 0 60 782 28 24 2 95 1 42 0 48 719 2 84 1 36 0 48 758 2 77 1 33 0 48...

Page 89: ...09 29 26 2 66 1 06 0 40 901 2 51 1 00 0 40 940 30 18 2 16 1 98 0 92 774 1 98 1 82 0 92 822 30 20 2 27 1 81 0 80 806 2 11 1 69 0 80 845 30 22 2 40 1 63 0 68 837 2 24 1 53 0 68 885 30 24 2 53 1 42 0 56 869 2 38 1 33 0 56 909 30 26 2 66 1 17 0 44 901 2 51 1 10 0 44 940 31 18 2 16 2 07 0 96 774 1 98 1 90 0 96 822 31 20 2 27 1 90 0 84 806 2 11 1 77 0 84 845 31 22 2 40 1 73 0 72 837 2 24 1 62 0 72 885 3...

Page 90: ...1 21 0 43 822 27 26 3 17 0 98 0 31 758 3 08 0 96 0 31 798 3 04 0 94 0 31 822 2 94 0 91 0 31 845 28 18 2 70 2 24 0 83 632 2 59 2 15 0 83 664 2 48 2 06 0 83 695 2 39 1 99 0 83 727 28 20 2 82 2 00 0 71 664 2 70 1 92 0 71 703 2 62 1 86 0 71 719 2 53 1 80 0 71 751 28 22 2 93 1 73 0 59 687 2 83 1 67 0 59 731 2 76 1 63 0 59 751 2 65 1 56 0 59 782 28 24 3 08 1 45 0 47 719 2 97 1 39 0 47 758 2 90 1 36 0 47...

Page 91: ...78 1 09 0 39 901 2 62 1 02 0 39 940 30 18 2 25 2 05 0 91 774 2 07 1 88 0 91 822 30 20 2 37 1 87 0 79 806 2 21 1 74 0 79 845 30 22 2 51 1 68 0 67 837 2 35 1 57 0 67 885 30 24 2 65 1 45 0 55 869 2 48 1 37 0 55 909 30 26 2 78 1 20 0 43 901 2 62 1 13 0 43 940 31 18 2 25 2 14 0 95 774 2 07 1 97 0 95 822 31 20 2 37 1 97 0 83 806 2 21 1 83 0 83 845 31 22 2 51 1 78 0 71 837 2 35 1 67 0 71 885 31 24 2 65 1...

Page 92: ... 1 21 0 43 863 27 26 3 17 0 98 0 31 797 3 08 0 96 0 31 838 3 04 0 94 0 31 863 2 94 0 91 0 31 888 28 18 2 70 2 24 0 83 664 2 59 2 15 0 83 697 2 48 2 06 0 83 730 2 39 1 99 0 83 764 28 20 2 82 2 00 0 71 697 2 70 1 92 0 71 739 2 62 1 86 0 71 755 2 53 1 80 0 71 789 28 22 2 93 1 73 0 59 722 2 83 1 67 0 59 768 2 76 1 63 0 59 789 2 65 1 56 0 59 822 28 24 3 08 1 45 0 47 755 2 97 1 39 0 47 797 2 90 1 36 0 4...

Page 93: ...29 26 2 78 1 09 0 39 946 2 62 1 02 0 39 988 30 18 2 25 2 05 0 91 813 2 07 1 88 0 91 863 30 20 2 37 1 87 0 79 847 2 21 1 74 0 79 888 30 22 2 51 1 68 0 67 880 2 35 1 57 0 67 930 30 24 2 65 1 45 0 55 913 2 48 1 37 0 55 955 30 26 2 78 1 20 0 43 946 2 62 1 13 0 43 988 31 18 2 25 2 14 0 95 813 2 07 1 97 0 95 863 31 20 2 37 1 97 0 83 847 2 21 1 83 0 83 888 31 22 2 51 1 78 0 71 880 2 35 1 67 0 71 930 31 2...

Page 94: ...0 39 1014 27 26 3 59 0 97 0 27 936 3 48 0 94 0 27 985 3 43 0 93 0 27 1014 3 33 0 90 0 27 1043 28 18 3 06 2 41 0 79 780 2 93 2 31 0 79 819 2 81 2 22 0 79 858 2 70 2 14 0 79 897 28 20 3 19 2 13 0 67 819 3 06 2 05 0 67 868 2 96 1 99 0 67 887 2 86 1 92 0 67 926 28 22 3 32 1 82 0 55 848 3 20 1 76 0 55 902 3 12 1 72 0 55 926 2 99 1 64 0 55 965 28 24 3 48 1 50 0 43 887 3 35 1 44 0 43 936 3 28 1 41 0 43 9...

Page 95: ... 1112 2 96 1 04 0 35 1160 30 18 2 55 2 22 0 87 956 2 34 2 04 0 87 1014 30 20 2 68 2 01 0 75 995 2 50 1 87 0 75 1043 30 22 2 83 1 79 0 63 1034 2 65 1 67 0 63 1092 30 24 2 99 1 52 0 51 1073 2 81 1 43 0 51 1121 30 26 3 15 1 23 0 39 1112 2 96 1 16 0 39 1160 31 18 2 55 2 32 0 91 956 2 34 2 13 0 91 1014 31 20 2 68 2 12 0 79 995 2 50 1 97 0 79 1043 31 22 2 83 1 90 0 67 1034 2 65 1 78 0 67 1092 31 24 2 99...

Page 96: ...9 1056 27 26 3 59 0 97 0 27 974 3 48 0 94 0 27 1025 3 43 0 93 0 27 1056 3 33 0 90 0 27 1086 28 18 3 06 2 41 0 79 812 2 93 2 31 0 79 853 2 81 2 22 0 79 893 2 70 2 14 0 79 934 28 20 3 19 2 13 0 67 853 3 06 2 05 0 67 903 2 96 1 99 0 67 924 2 86 1 92 0 67 964 28 22 3 32 1 82 0 55 883 3 20 1 76 0 55 939 3 12 1 72 0 55 964 2 99 1 64 0 55 1005 28 24 3 48 1 50 0 43 924 3 35 1 44 0 43 974 3 28 1 41 0 43 10...

Page 97: ...3 15 1 10 0 35 1157 2 96 1 04 0 35 1208 30 18 2 55 2 22 0 87 995 2 34 2 04 0 87 1056 30 20 2 68 2 01 0 75 1035 2 50 1 87 0 75 1086 30 22 2 83 1 79 0 63 1076 2 65 1 67 0 63 1137 30 24 2 99 1 52 0 51 1117 2 81 1 43 0 51 1167 30 26 3 15 1 23 0 39 1157 2 96 1 16 0 39 1208 31 18 2 55 2 32 0 91 995 2 34 2 13 0 91 1056 31 20 2 68 2 12 0 79 1035 2 50 1 97 0 79 1086 31 22 2 83 1 90 0 67 1076 2 65 1 78 0 67...

Page 98: ... 0 37 1409 27 26 4 69 1 17 0 25 1301 4 56 1 14 0 25 1369 4 49 1 12 0 25 1409 4 35 1 09 0 25 1450 28 18 4 00 3 08 0 77 1084 3 83 2 95 0 77 1138 3 67 2 83 0 77 1192 3 54 2 72 0 77 1247 28 20 4 17 2 71 0 65 1138 4 00 2 60 0 65 1206 3 88 2 52 0 65 1233 3 74 2 43 0 65 1287 28 22 4 34 2 30 0 53 1179 4 18 2 22 0 53 1253 4 08 2 16 0 53 1287 3 91 2 07 0 53 1341 28 24 4 56 1 87 0 41 1233 4 39 1 80 0 41 1301...

Page 99: ...6 4 11 1 36 0 33 1545 3 88 1 28 0 33 1612 30 18 3 33 2 83 0 85 1328 3 06 2 60 0 85 1409 30 20 3 50 2 56 0 73 1382 3 26 2 38 0 73 1450 30 22 3 71 2 26 0 61 1436 3 47 2 12 0 61 1518 30 24 3 91 1 92 0 49 1491 3 67 1 80 0 49 1558 30 26 4 11 1 52 0 37 1545 3 88 1 43 0 37 1612 31 18 3 33 2 97 0 89 1328 3 06 2 72 0 89 1409 31 20 3 50 2 70 0 77 1382 3 26 2 51 0 77 1450 31 22 3 71 2 41 0 65 1436 3 47 2 25 ...

Page 100: ... 0 37 1472 27 26 4 69 1 17 0 25 1358 4 56 1 14 0 25 1429 4 49 1 12 0 25 1472 4 35 1 09 0 25 1514 28 18 4 00 3 08 0 77 1132 3 83 2 95 0 77 1189 3 67 2 83 0 77 1245 3 54 2 72 0 77 1302 28 20 4 17 2 71 0 65 1189 4 00 2 60 0 65 1259 3 88 2 52 0 65 1288 3 74 2 43 0 65 1344 28 22 4 34 2 30 0 53 1231 4 18 2 22 0 53 1309 4 08 2 16 0 53 1344 3 91 2 07 0 53 1401 28 24 4 56 1 87 0 41 1288 4 39 1 80 0 41 1358...

Page 101: ... 11 1 36 0 33 1613 3 88 1 28 0 33 1684 30 18 3 33 2 83 0 85 1387 3 06 2 60 0 85 1472 30 20 3 50 2 56 0 73 1443 3 26 2 38 0 73 1514 30 22 3 71 2 26 0 61 1500 3 47 2 12 0 61 1585 30 24 3 91 1 92 0 49 1557 3 67 1 80 0 49 1627 30 26 4 11 1 52 0 37 1613 3 88 1 43 0 37 1684 31 18 3 33 2 97 0 89 1387 3 06 2 72 0 89 1472 31 20 3 50 2 70 0 77 1443 3 26 2 51 0 77 1514 31 22 3 71 2 41 0 65 1500 3 47 2 25 0 6...

Page 102: ... same operation mode can be repeated by simply turning the OPERATE STOP button ON Indoor unit receives the signal with a beep tone When the system turns off 3 minute time delay will operate to protect system from overload and compressor will not restart for 3 minutes MU 07RV MUX 10RV MU 09RV MUX 18RV MU 12RV MUX 24RV E1 E1 E1 E1 E1 E1 MUH 07RV MXZ 18RV MUH 09RV MXZ 32RV MUH 12RV E1 E1 E1 E1 E1 Ope...

Page 103: ...s over 4 C MSC 07 09RV 0 C MSC 12RV Time control When the three conditions as follows have been satisfied for 1 hour and 45 minutes the compressor stops for 3 min utes The indoor fan operates at the set speed a Compressor has been continuously operating b Indoor fan speed is Lo or Me c Room temperature is below 26 C When compressor stops the accumulated time is cancelled When compressor restarts t...

Page 104: ...hen coil frost prevention works while the indoor fan is OFF it s speed becomes set speed Thermostat Indoor fan Outdoor fan Compressor ON 8 min 1 min 4 min 3 min ON OFF OFF OFF OFF OFF ON ON ON ON ON ON OFF OFF OFF 11 3 FAN OPERATION MU 07 09 12RV MUX 10 18 24RV 1 Press OPERATE STOP ON OFF button Operation indicator lamp of the indoor unit turns on with a beep tone 2 Select FAN mode with the OPERAT...

Page 105: ...speed in MANUAL is the set speed The upper limit of the fan speed in AUTO is the speed decided by indoor fan speed control Refer to 11 4 1 1 When the temperature of RT12 has been 37 C or more or when the set speed has been changed this control is released and the fan speed is the set speed 4 Flow soft control When the thermostat compressor is off the indoor fan operates as follows RT12 fan less th...

Page 106: ...15 seconds have elapsed 2 Releasing conditions of defrost When the condition d or e is satisfied the defrosting operation stops d RT61 reads 3 1 C or more e The defrosting time exceeds 10 minutes NOTE When the indoor coil thermistor RT12 reads above 18 C indoor fan operates at VLo for 30 seconds When the indoor coil thermistor RT12 reads 18 C or less the indoor fan stops Defrost thermistor RT61 3 ...

Page 107: ...etermined by the initial room temperature at start up of the operation as shown on the right table Example Previous operation COOL mode of I FEEL CONTROL or COOL mode Once the mode is fixed the mode does not change by room temperature afterwards Under the ON TIMER operation mode is determined according to the room temperature at set time the opera tion starts When the system is stopped on the remo...

Page 108: ...reference to heat or cool So this is called Fuzzy control and works only in I FEEL CONTROL mode In DRY mode of I FEEL CONTROL the set temperature doesn t change TOO COOL To raise the set temperature 1 2 degrees C TOO WARM To lower the set temperature 1 2 degrees C 4 The initial set temperature is decided by the initial room temperature COOL mode of I FEEL CONTROL 1 Indoor fan speed control Indoor ...

Page 109: ... OPERATION 1 Vane motor drive These models are equipped with a stepping motor for the horizontal vane The rotating direction speed and angle of the motor are controlled by pulse signals approx 12V transmitted from indoor microprocessor 2 The horizontal vane angle and mode changes as follows by pressing the VANE CONTROL button 3 Positioning The vane is once pressed to the vane stopper below to conf...

Page 110: ...y 2 C So keeping comfort energy can be saved Horizontal vane Temperature of indoor coil thermistor RT12 more than 24 C 5 2 Downward blow time sec 22 C to 24 C 21 C to 22 C 20 C to 21 C 18 C to 20 C 17 C to 18 C 15 C to 17 C 15 C or less 5 8 11 14 17 20 23 Upward level blow time sec 20 17 14 11 8 2 23 8 ECONO COOL operation ECONOmical operation When the ECONO COOL button is pressed in COOL mode set...

Page 111: ... twice MUH 07 09 12RV MXZ 18 32RV or the unit receives any signal from the remote controller In case of latter normal operation will start The coil frost prevention works even in this operation and defrosting MUH 07 09 12RV MXZ 18 32RV too In the test run or emergency operation the horizontal vane operates in VANE AUTO mode NOTE Do not press the EMERGENCY OPERATION switch during normal operation P...

Page 112: ...hermistor RT62 Accumulator Evaporation temperature thermistor RT67 Capillary tube Outdoor fan motor Defrost thermistor RT61 LEV B LEV A Indoor unit A Indoor unit B Indoor unit A Room A Gas pipe temperature thermistor Room B Gas pipe temperature thermistor Indoor unit B Indoor unit A Indoor unit B Refrigerant circuit Electronic controls X64 X60 X67 SSR Reversing valve 11 10 1 System organization MX...

Page 113: ...uction temperature thermistor RT65 Crankcase heater Comp L P S Inner thermostat H P S Discharge temperature thermistor RT61 Indoor Unit A Evaporation temperature thermistor RT64 Outdoor fan motor x 61 x 62 x 63 Defrost thermistor RT62 LEV1 LEV2 LEV3 LEV4 Indoor Unit B Indoor Unit C Indoor Unit D Outdoor unit control microprocessor Compressor primary current Compressor secondary current Fin tempera...

Page 114: ... to the suction superheat and the discharge temperature Thermostat ON in HEAT mode LEV opening Thermostat ON in DRY mode Thermostat OFF in COOL or DRY mode Thermostat OFF in HEAT mode All indoor units OFF 52 500 pulse Indoor unit status COOL 5 pulse HEAT 59 pulse COOL 5 pulse HEAT 49 pulse Refer to the standard LEV opening as shown below Thermostat ON in COOL mode Before shutdown 350 pulse Outdoor...

Page 115: ...X 3 From S H HEX i calculated in step 1 and the minimum value obtained in step 2 the difference of each S H HEX S H HEX i is calculated as follows S H HEX i S H HEX i S H HEX min 4 Each LEV opening is controlled based on S H HEX i obtained in step 4 S H HEX i and LEV control width Range of S H HEX i LEV variation for corresponding unit S H HEX i to 3 deg 0 3 to S H HEX i to 6 deg 1 6 to S H HEX i ...

Page 116: ...l frequency will return to the variable status 2 LEV opening The LEV opening varies according to the operation signal given from the operating indoor unit s When the number of operating indoor units is reduced during heating operation the LEV opening will be fixed to the current valve for one minute After that the LEV opening will return to the variable status 1 When a single indoor unit is operat...

Page 117: ...mum DRY mode Maximum Rating 1 2 07 or 09 12 07 12 or 09 09 34 34 58 66 80 43 43 43 58 76 Indoor unit capacity class 11 10 6 Operational frequency range Number of operating unit Minimum DEFROST mode Maximum Rating Total capacity code MXZ 32RV E1 MXZ 18RV E1 1 2 3 4 1 2 3 4 2 3 4 5 6 7 8 30 40 48 48 58 73 95 115 120 120 105 45 65 58 75 107 112 105 Number of operating unit Minimum DEFROST mode Maximu...

Page 118: ...ressure switch turns ON that is the discharge pipe pressure rises to 2 75 MPa 28 kg cm2 or above Protection details a In COOL or DRY mode The 2 way valve opens The compressor operational frequency decreases at a rate of 10 Hz minute b In HEAT mode The 2 way valve opens The compressor operational frequency decreases at a rate of 10 Hz minute The outdoor fan runs at the Low speed Condition to releas...

Page 119: ...It does not include the Thermostat OFF starts The discharge temperature rises to 107 C or above Sixty minutes or more have passed since the operation start up or the last refrigerant recovery Control details The LEV opening is controlled at 80 pulse for the non operating indoor unit s Conditions to discontinue refrigerant recovery The system discontinues refrigerant recovery when it satisfies eith...

Page 120: ... minutes delay 3 minutes 3 seconds AUTO START 1 hour 1 minute AUTO STOP 1 hour 1 minute Short the connector during the timer mode How to modify the remote controller P C board Remove batteries before modification The board has a print as shown below The P C board has the print J1 and J2 Jumper wires are mounted to each J1 and J2 Cut J1 and J2 according to the number of indoor unit as shown in Tabl...

Page 121: ...When some air conditioners are connected to the same supply system if they are operated before power failure the starting current of all the compressors may flow simultaneously at restart Therefore the special counter measures are required to prevent the main voltage drop or the rush of the starting current by adding to the system that allows the units to start one by one 12 5 MU TYPE MUH TYPE SWI...

Page 122: ...ew batteries press the RESET button with tip end of ball point pen or the like and then use the remote controller Lead wiring Housing point MUH 07RV MUH 09RV MUH 12RV E1 E1 E1 RESET button MSC 07RV MSC 09RV MSC 12RV E1 E1 E1 MU 07RV MU 09RV MU 12RV E1 E1 E1 13 1 Cautions on troubleshooting 1 Before troubleshooting check the following 1 Check the power supply voltage 2 Check the indoor outdoor conn...

Page 123: ...tch is pressed Refer to Check of indoor electronic control P C board on page 133 Cause indoor outdoor unit connecting Trouble of mis wiring Trouble of the serial signal Cause Indoor unit 2 time Room tempera ture Indoor coil thermistor trouble 3 time Indoor fan motor trouble Refer to How to check mis wiring and signal error when outdoor unit doesn t work on page 135 1 6 time flash 2 5 second OFF Ca...

Page 124: ... indoor coil thermistor Refer to Test point dia gram and voltage on page 142 Refer to T Mis wiring or mis piping on page 140 141 Indoor unit dosen t receive the signal from remote controller Also OPERATION INDICATOR lamp doesn t light when the EMERGENCY OPERATION switch is pressed 1 time flash 2 time flash 2 5 second OFF 2 5 second OFF 3 time flash G to K Transistor module See page 136 137 L Outdo...

Page 125: ...ter the com pressor start up Check point Check switch SW2 2 MU type or MUH type Check wiring visual check and conductiv ity check Check indoor electronic control P C board Check outdoor DEICER P C board Check electrical parts Check resistance of thermistor Reconnect connector Check indoor electronic control P C board Disconnect connector CN211 and then check connector CN121 to make sure rotational...

Page 126: ...istor during compressor running Check the characteristic of the evapora tion temperature thermistor Refer to L L on page 138 Check the contact of P C board con nectors Discharge temperature ther mistor abnormality The compressor stops when a short or open circuit occurs in the dis charge temperature thermistor during compressor running Check the characteristic of the discharge temperature thermist...

Page 127: ...0 C or above the compressor stops and restarts operation in 3 minutes Check the inverter output Refer to G to K Check the compressor Check the amount of gas Check the indoor unit air filter for clogging Check the indoor outdoor air flow for short cycle Defrost thermistor abnormality When a short or open circuit occurs in the defrost thermistor during heating In this case the compressor continues t...

Page 128: ...ltage Power ON Figure 8kΩ 20kΩ Normal Abnormal Opened or short circuited 280 304Ω WHT BLK BLK RED BRN YLW YLW GRY Normal 4 5 5 5V Abnormal Remain 0V or 5V When fan revolved one time 0V 5V 0V Approx MSC 07 09 12RV 311 338Ω RED BLK YLW GRY BRN WHT MSC 07RV MSC 09RV MSC 12RV E1 E1 E1 Normal Abnormal Opened or short circuited MSC 07 09 12RV MSC 07 09 12RV Vane motor Measure the resistance between the ...

Page 129: ...MU 12RV E1 E1 E1 Defrost thermistor MUH 07 09 12RV Measure the resistance with a tester Part temperature 10 C 40 C 5kΩ 60kΩ Normal Abnormal Opened or short circuited MUH 07 09 12RV Normal MUH 07RV 3 68 4 51Ω 5 08 6 22Ω 2 91 3 56Ω 1 87 2 30Ω 3 44 4 22Ω C R C S Abnormal Opened or short circuited 5 11 6 26Ω MUH 09RV MUH 12RV Normal MU 07RV 3 68 4 51Ω 5 08 6 22Ω 3 55 4 35Ω 1 87 2 30Ω 3 44 4 22Ω C R C ...

Page 130: ...MUX 24RV Normal 1498 1834Ω Abnormal Opened or short circuited Normal 602 749Ω Abnormal Opened or short circuited Normal MUX 10RV 287 351Ω 347 424Ω E1 MUX 18RV 103 127Ω 57 71Ω 43 54Ω E1 Abnormal Opened or short circuited WHT BLK BLK RED BLK YLW YLW RED Normal MUX 10RV MUX 18RV KH 134VLL 4 1 5 0Ω 7 2 8 8Ω E1 E1 RH 231VHA 1 9 2 3Ω 3 4 4 2Ω RH 174VGH 2 9 3 6Ω 5 1 6 3Ω Abnormal Opened or short circuite...

Page 131: ... temperature 10 C 40 C Only MXZ 32RV Solenoid coil Normal abnormal 873Ω 1068Ω Opened or short circuited Measure the resistance using a tester Part temperature 10 C 40 C Linear expansion valve Lead wire color Normal WHT RED RED ORN YLW RED RED BLU 22 29Ω Abnormal Opened or short circuited Measure the resistance using a tester Part temperature 10 C 40 C High pressure switch HPS Low pressure switch L...

Page 132: ...urn on a radio to AM and press switch on the remote controller Is noise heard from radio Are there any fluorescent lights of inverter or rapid start type within the range of 1m Replace the remote controller Re install the unit away from lights Attach a filter on receiving part Yes 0 or No others Yes No Yes No Switch on the remote controller Is LCD display on the remote con troller visible Remove b...

Page 133: ... on the indoor power supply Press the EMERGENCY OPERATION switch 3 minute time delay works Test run operation operates for 30 minutes No Yes Yes Check the outdoor power supply power supply cord and connection Check the voltage to terminal block of outdoor unit Is there 12V DC to terminal block between 1 2 Yes Outdoor unit does not operate Is the connection of wiring in outdoor unit correct Check t...

Page 134: ...the compressor Check the outdoor fan motor See page 131 Is it normal Replace the outdoor fan motor No Yes Check the DEICER P C board See page 145 Check the DEICER P C board See page 145 Is the switch SW2 2 on the indoor electronic control P C board set to MUH type Does outdoor unit operate Yes Ok Does outdoor unit operate Yes Ok Does outdoor unit operate Yes Ok Ok Yes Check the compressor and outd...

Page 135: ... or wire disconnection Make them sure Replace the indoor electronic control P C board Turn ON the power supply outdoor unit Is there 220 240V AC between outdoor terminal block L N No Check the outdoor power supply power supply cord and connection Is there 5V DC between J8 J9 See page 143 Yes Turn ON the power supply indoor unit No Replace the DEICER P C board Yes No Make the wiring between CN730 o...

Page 136: ...r module Measure points Measure the AC voltage at the following six points on the transistor module BLK WHT WHT BLK BLK RED RED BLK WHT RED RED WHT Judgment Infinite Ω Normal Zero to dozens Ω Faulty Short Operation mode Operational frequency Hz Output voltage V COOL 58 110 HEAT 58 70 ACV 300 BLK WHT ACV 300 BLK RED ACV 300 WHT RED ACV 300 BLK WHT ACV 300 BLK RED ACV 300 WHT RED Tester indication F...

Page 137: ...switch on the indoor unit Measuring point Count time from when the outdoor fan starts up until the inverter stops due to overcurrent Judgment Inverter stops in 0 to 10 seconds Faulty Short Inverter stops in 10 to 60 seconds Faulty Compressor lock Inverter stops in 60 seconds to 5 minutes Faulty Refrigerant circuit defective Inverter operates for 5 minutes or more Normal Tester indication X1 X1 X1 ...

Page 138: ...scharge temperature thermistor Gas pipe temperature thermistor Suction Evaporation temperature thermistors Fin temperature thermistor Measure the resistance between pin1 and pin2 at CN663 MXZ 18RV pin1 and pin2 at CN661 MXZ 32RV Yes Yes Evaporator suction temperature thermistor 1 Connect the connections CN661 CN681 CN682 CN683 CN641 MXZ 18RV CN661 CN662 and CN663 MXZ 32RV Is there voltage of 0 8 t...

Page 139: ...he v oltage between pin3 and pin4 or CN913 on the noise filter board Is there voltage of 220 to 240V AC No Sorenoid coil lead wire defective Poor contact of connector Sorenoid coil damaged Yes Outdoor control board or outdoor relay board defective The inverter does not operate Turn on power to the outdoor unit Is there voltage of 220 to 240V AC the power terminal block Is there voltage of 310 to 3...

Page 140: ...seconds after power supply is turned ON While LEV is operating check that there is 12V DC pulse amplitude between both ends oh LEV diode Repeat this for 4 diodes each in unit A and B When no pulse amplitude the outdoor electronic control P C board is defective When checking LEV connectors must be connected MXZ 18RV MXZ 32RV Incorrect connection of indoor units results in no cooling heating In the ...

Page 141: ...tor CN602 When the indoor unit for Room C is indicating the serial signal error Is there voltage of 5 to 10 DC between pin 1 and pin 2 at connector CN603 When the indoor unit for Room D is indicating the serial signal error Is there voltage of 5 to 10 DC between pin 1 and pin 2 at connector CN604 Disconnect the short circuit between tab terminals as before Is the LED1 lighting on the outdoor contr...

Page 142: ...oom temperature thermistor RT11 Indoor coil thermistor RT12 Timer short mode point Room temperature thermistor RT11 Indoor coil thermistor RT12 0 0 10 20 30 40 10 20 30 40 50 60 Emergency operation switch Indoor fan motor 220 240V AC SW2 See page 121 1 sets the Auto restart function ON OFF 2 switches over MU MUX type MUH MXZ type 5V DC 12V DC Temperature Resistance k R132 ...

Page 143: ...oor fan motor 220 240V AC Reversing valve coil 220 240V AC R601 5 10V DC Power supply input 220 240V AC Defrost thermistor RT61 Fuse 2A 250V Defrost interval time short pin J9 J8 5V DC Jumper wire for change in defrost setting JPC JPE See page 28 52C 12V DC 12V DC CN730 ...

Page 144: ... 220 240V AC Fuse 3 15A Measure the voltage under the condition of the connector pluging Reversing valve 220 240V AC Outdoor fan Hi 220 240V AC Fin temperature thermistor RT 63 Fuse 3A Power supply input 330V DC 2 3V DC 2 3V DC 12V DC Power supply Relay X64 1 20 10 0 10 20 30 40 100 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 200 180 160 140 120 100 80 60 40 20 0 0 10 20 30 40 50 60 70 ...

Page 145: ...145 MXZ 18RV Relay P C board E1 Short Normal Open Abnormal 220 240V AC Fuse 3 15A ...

Page 146: ...erature thermistor 0 3 0 6V DC Defrost temperature thermistor 2 5 4 0V DC 12V DC 5V DC 0 5V DC LED monitor indication Gas pipe temperature thermistor 2 5 4 0V DC Room A Room D Room C Room B High pressure switch Low pressure switch Compressor inner thermo Liner expansion valve LEV 12V DC pulse wave Solenoid valve 12V DC Outdoor fan Me 12V DC Reversing valve 12V DC Outdoor fan Lo 12V DC Crank case h...

Page 147: ... C board Relay P C board Short 12V DC High pressure switch 12V DC 12V DC 12V DC 320V DC 220V 240V AC OUTPUT 220V 240V AC INPUT OUTDOOR FAN 220V 240V AC CRANK CASE HEATER 220V 240V AC 2 WAY VALVE 220V 240V AC REVERSING VALVE 220V 240V AC ...

Page 148: ...nal as shown below Terminal with lock mechanism Detaching points 2 Removing the electronic control P C board and the display P C board 1 Remove the front panel Refer to 1 2 Remove the screw of the electrical cover Remove the electrical cover 3 Remove the V A clamp Remove the screw of the terminal block 4 Remove the cord clamp 5 Remove the screw of the ground wire 6 Disconnect all the connectors an...

Page 149: ...motor disconnect the connector 3 Remove the vane motor Photo 4 Photo 5 Drain hose Vane motor screws Vane motor Fan motor screws Indoor coil thermistor 5 Removing the line flow fan and the indoor fan motor 1 Remove the front panel Refer to 1 2 Remove the electrical box 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Remove the screws fixing the fan motor 5 Remove the...

Page 150: ...e insides 6 Remove the top panel 7 Remove the cabinet Photo 1 Photo 3 Screw for top panel Service panel Screw for service panel Screw for top panel Screws for cabinet Screws for cabinet Photo 2 Screws for front panel and motor support Outdoor fan capacitor Compressor capacitor Terminal block 2 Removing the electrical parts 1 Remove the service panel and the cabinet Refer to 1 2 Remove the followin...

Page 151: ... 5 Propeller fan Propeller fan nut Outdoor fan motor Set screws for outdoor fan motor Lead clamps Hook Suction pipe Discharge pipe 4 Removing the compressor 1 Remove the cabinet Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Release gas from the refrigerant circuit 7...

Page 152: ... Remove the cabinet 2 Removing the deicer P C board 1 Remove the service panel and the cabinet 2 Disconnect all the connectors and the terminals on the deicer P C board 3 Remove the deicer P C board 14 3 MUH 07RV MUH 09RV MUH 12RV OUTDOOR UNIT E1 E1 E1 Photo 4 Terminal block Screws Deicer P C board Photo 1 Photo 3 Screw for top panel Service panel Screw for service panel Screw for top panel Screws...

Page 153: ...cabinet Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Release gas from the refrigerant circuit 7 Disconnect the welded part of the discharge pipe 8 Disconnect the welded part of the suction pipe 9 Remove nuts fixing the compressor 10 Remove the compressor NOTE Befor...

Page 154: ...n the propeller in the rotating direction for removal When setting the propeller align the motor shaft cut section 3 Removing the outdoor fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller Refer to 2 3 Remove the lead clamps and disconnect the outdoor fan motor connector 4 Remove outdoor fan motor set screws 5 Remove the outdoor fan motor 14 4 MUX 10RV OUTDOOR UNIT E1 Screws Photo 1 ...

Page 155: ... pipe welded section and discharge pipe welded section using a burner Pull out when the welding melts 5 Remove the sound proof felt 6 Remove the compressor 3 set nuts 7 Remove the compressor Note Before using the welder confirm that the pressure gauge is 0 kg cm2 When using the welder leave the service port open and release the pressure to avoid expansion by heat Sound proof felt Photo 5 Discharge...

Page 156: ... in the rotating direction for removal When setting the propeller align the motor shaft cut sec tion 3 Removing the outdoor fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller Refer to 2 3 Remove the lead clamps and disconnect the outdoor fan motor connector 4 Remove outdoor fan motor set screws 5 Remove the outdoor fan motor 14 5 MUX 18RV OUTDOOR UNIT E1 Cabinet Side panel Side panel...

Page 157: ...the welder confirm that the pressure gauge is 0 Kg cm2 When using the welder leave the service port open and release the pressure to avoid expansion by heat 5 Removing the compressor 1 Remove the cabinet Refer to 1 2 Remove the terminal cover 3 Pull out lead from the compressor terminal then remove the terminal overcurrent relay 4 Remove the screws fixing the back panel 5 Remove the suction pipe w...

Page 158: ...move the service panel 4 Remove the top panel 5 Remove the screws fixing the front panel 6 Remove the front panel 7 Remove the screws fixing the outer nozzle 8 Remove the outer nozzle 14 6 MUX 24RV OUTDOOR UNIT E1 Front panel Service panel set screws Screws Screws Top panel Top panel set screws Rear panel Rear panel set screws Photo 1 Photo 2 Photo 3 ...

Page 159: ... the rotating direction for removal When setting the propeller align the motor shaft cut section 4 Removing the outdoor fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller Refer to 3 3 Disconnect the connector remove the clamp of outdoor fan motor lead wire 4 Remove the screws fixing the outdoor fan motor Photo 4 Photo 5 Photo 6 Propeller nut Propeller Compressor connector MC1 MC2 Sol...

Page 160: ...ompressor set nuts 8 Remove the compressor 6 Removing the compressor C D 1 Remove the cabinet Refer to 1 2 Remove the relay panel Refer to 2 3 Remove the screws fixing rear panel Refer to photo 2 4 Remove the rear panel 5 Remove the terminal cover 6 Pull out lead from the compressor 7 Remove the suction pipe welded section and discharge pipe welded section using a burner Pull out when the welding ...

Page 161: ... the band that fixes the discharge pipe muffler See Photo 4 9 Remove the propeller fan 10 Remove the separator and support 11 Remove the reactor 12 Remove the terminal cover to disconnect the lead wires from the compressor terminals 13 Detach the welded section of the compressor suction pipe and discharge pipe See Photo 4 14 Remove the compressor nuts to remove the compressor 14 7 MXZ 18RV OUTDOOR...

Page 162: ... the outdoor fan motor 1 Remove the top panel service panel and front panel 2 Disconnect the connector CN63 TAB91 from the outdoor electronic control P C board 3 Remove the propeller 4 Remove the outdoor fan motor Photo 4 Propeller Fan motor ...

Page 163: ...722 CN662 and CN661 Disconnect the noise filter board connectors CN913 CN912 and CN911 6 Remove the four screws of the electrical parts and remove them 7 Remove the propeller 8 Remove the screws of the separator and remove it 9 Detach the brazed joints of the compressor suction and dis charge pipes See Photo 3 10 Remove the three compressor nuts and remove the com pressor Photo 1 Top panel Service...

Page 164: ...1 Remove the service panel See Photo 1 Gas release is not required if the unit is pumped down 2 Remove the coil of linear expansion valve 3 Detach the brazed joint of linear expansion valve and pipe 4 way valve 4 way valve coil Brazing area Linear expansion valve coil Linear expansion valve Photo 4 Photo 5 2 Removing the fan motor 1 Remove the top panel five screws the service panel four screws an...

Page 165: ... PROCEDURE PHOTOS 5 Removing the reactor 1 Remove the five screws of the top panel and remove it See Photo 1 2 Disconnect the reactor lead wire 3 Remove the two screws of the reactor and take it out Reactor Photo 6 ...

Page 166: ...EODORIZING FILTER Symbol in Wiring Diagram Q ty unit 1 1 2 1 1 1 1 2 3 1 1 1 2PCS SET 3PCS SET MAC 1300FT MAC 1800DF Remarks Part No No Part Name MSC 07RV WH E1 MSC 12RV WH E1 MSC 09RV WH E1 1 1 2 1 1 1 1 2 3 1 1 1 1 1 2 1 1 1 1 2 3 1 1 1 11 See page 184 4 W 6 1 5 2 MSC 07RV WH MSC 09RV WH MSC 12RV WH E1 E1 E1 8 7 12 See page 184 15 2 ACCESSORY PART E02 141 083 13 REMOTE CONTROLLER HOLDER 1 1 1 15...

Page 167: ...L P C BOARD ELECTRONIC CONTROL P C BOARD ELECTRONIC CONTROL P C BOARD POWER SUPPLY CORD VANE MOTOR SUPPORT SET FUSE VARISTOR RC4V19 2PCS SET AUTO RESTART AUTO RESTART AUTO RESTART 3 15A MV MF RT11 RT12 TB F11 NR11 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 15 3 INDOOR UNIT ELECTRICAL PARTS 19 W 20 21 E02 408 620 E02 410 620 E02 151 6...

Page 168: ...R COMPRESSOR COMPRESSOR OUTDOOR HEAT EXCHANGER CAPILLARY TUBE CAPILLARY TUBE STOP VALVE LIQUID STOP VALVE GAS STOP VALVE GAS BASE BASE MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET BACK PANEL RH 135VGCT RH 145VGCT RH 231VHAT 3 0x 1 4x600 3 0x 1 6x600 6 35 9 52 12 7 3RUBBERS SET 3RUBBERS SET 1 1 1 1 1 1 1 1 1 1 1 3 1 MC MC MC MU 12RV E1 MU 07RV E1 MU 09RV E1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 ...

Page 169: ...L BLOCK OUTDOOR FAN CAPACITOR CONTACTOR FUSE SURGE ABSORBER RA6V23 RA6V33 25 440V 30 440V 1 5 440V 250V2A MF MF C1 C1 TB1 TB2 C2 52C F DSAR 1 1 1 1 1 1 1 1 1 MU 12RV E1 MU 07RV E1 MU 09RV E1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 6 3 5 4 15 6 OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS E02 408 426 10 REMOTE CONTROLLER 1 1 1 15 7 REMOTE CONTROLLER 15 7 REMOTE CONTROLLER 10 15 6 OUTDOOR UNIT...

Page 170: ...APILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE STOP VALVE LIQUID STOP VALVE GAS STOP VALVE GAS BASE BASE MOTOR SUPPORT MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET BACK PANEL REVERSING VALVE CHECK VALVE RH 135VGHT RH 174VGHT RH 231VHAT 3 0x 1 4x800 3 0x 1 4x500 3 0x 1 4x600 3 0x 1 4x550 3 0x 1 6x600 3 0x 1 6x400 3...

Page 171: ...EVERSING VALVE COIL FUSE VARISTOR RA6V23 RA6V33 25 440V 30 440V 250V 2A MF MF C1 C1 TB1 TB2 RT61 RT61 DSAR 21S4 F61 NR61 1 1 1 1 1 1 1 1 1 1 1 MUH 12RV E1 MUH 07RV E1 MUH 09RV E1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 7 3 6 5 4 8 15 9 OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS E02 430 426 12 REMOTE CONTROLLER 1 1 1 15 10 REMOTE CONTROLLER 15 10 REMOTE CONTROLLER 12 15 9 OUTDOOR UN...

Page 172: ...B00 340 T2W E60 376 T2W A79 382 PROPELLER FAN OUTDOOR FAN MOTOR BYPASS VALVE SOLENOID COIL A BYPASS VALVE SOLENOID COIL B BYPASS VALVE SOLENOID COIL TERMINAL BLOCK TERMINAL BLOCK COMPRESSOR CONTACTOR FAN MOTOR CAPACITOR COMPRESSOR CAPACITOR OVERCURRENT RELAY RELAY TERMINAL BLOCK FUSE 1 1 1 1 1 1 2 2 1 1 1 2 1 2 RA6V22 L N 1 5 440V 17 440V G4F11123T 2 1 2 1 2A 250V MF 21R1 21R2 21R TB TB 52C1 52C2 ...

Page 173: ... E42 661 T2W E03 290 T92 514 200 T2W E03 245 OUTER NOZZLE CABINET TOP PANEL OUTDOOR HEAT EXCHANGER MOTOR SUPPORT SEPARATOR SOLENOID VALVE CAPILLARY TUBE 3 0x 1 4x1900 SOLENOID VALVE CAPILLARY TUBE 3 0x 1 6x1200 STOP VALVE LIQUID STOP VALVE BASE ASSEMBLY COMPRESSOR SERVICE PANEL 1 1 1 1 1 1 2 1 1 1 2 2 1 1 1 3 0x 1 4x400 3 0x 1 4x400 3 0x 1 6x1000 KH 134VLL MC When servicing cut the tube to the pro...

Page 174: ...5 OUTDOOR UNIT FUNCTIONAL PARTS AND AND ELECTRICAL PARTS AND STRUCTURAL PARTS MUX 18RV E1 35 31 5 12 2 27 17 16 9 8 11 10 7 28 6 15 14 13 18 19 24 25 24 25 20 21 22 23 30 28 26 4 1 3 15 16 REMOTE CONTROLLER 37 ...

Page 175: ...UTDOOR FAN CAPACITOR OUTDOOR FAN RELAY CONTACTOR MOTOR SUPPORT SOLENOID COIL SOLENOID COIL B SOLENOID COIL C OUTDOOR FAN MOTOR PROPELLER FAN SOLENOID VALVE SOLENOID VALVE STOP VALVE LIQUID STOP VALVE GAS STOP VALVE LIQUID STOP VALVE GAS UNION 1 4 UNION 3 8 COMPRESSOR OUTDOOR HEAT EXCHANGER CAPILLARY TUBE 3 0X 1 6X1 400 CAPILLARY TUBE 3 0X 1 6X800 CAPILLARY TUBE 3 0X 1 4X1 100 OVERCURRENT RELAY TER...

Page 176: ...75 T2W E44 375 M21 020 378 T2W E08 381 T2W 779 353 FAN MOTOR PROPELLER FAN SOLENOID COIL SOLENOID COIL SOLENOID COIL SOLENOID COIL SOLENOID COIL SOLENOID COIL FAN MOTOR RELAY RELAY COMPRESSOR RELAY FAN MOTOR CAPACITOR COMPRESSOR CAPACITOR TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK FUSE COMPRESSOR CAPACITOR 1 1 1 1 1 1 1 1 2 4 4 1 1 1 4 6 1 1 LY 2F G4F11123T MT AC200 240V 3 440V 30 420V 3 15A 250...

Page 177: ... M21 AJ2 936 FRONT PANEL OUTER NOZZLE SERVICE PANEL SIDE PANEL TOP PANEL REAR GUARD REAR PANEL HEAT EXCHANGER BASE MOTOR SUPPORT COMPRESSOR A B COMPRESSOR C D SOLENOID VALVE A B STOP VALVE LIQUID STOP VALVE STOP VALVE SOLENOID VALVE PIPE A S V S V HEADER A PIPE B S V S V HEADER B CAPILLARY TUBE 3 0O 1 6O800 CAPILLARY TUBE 3 0O 1 6O1100 1 1 1 1 1 1 1 1 1 1 1 1 4 4 2 2 2 1 1 1 1 2 2 RH 174VGH RH 231...

Page 178: ...23 M21 SJ4 630 M21 SJ4 290 T2W A70 009 T2W A69 009 T2W A70 515 T2W A70 212 T92 669 452 FRONT PANEL FAN GUARD TOP PANEL SERVICE PANEL SIDE PANEL REAR PANEL REAR GUARD OUTDOOR HEAT EXCHANGER BASE ASSEMBLY HANDLE HANDLE MOTOR SUPPORT LABEL COMPRESSOR MC 1 1 1 1 1 1 1 1 1 2 1 1 1 1 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit MXZ 18RV Remarks RHV 207FEM E1 ...

Page 179: ...6 PROPELLER FAN OUTDOOR FAN MOTOR EXPANSION VALVE COIL EXPANSION VALVE COIL EXPANSION VALVE UNION 3 8F UNION 1 4F BALL VALVE 3 8 REVERSING VALVE HIGH PRESSURE SWITCH ACCUMULATOR MUFFLER CAPILLARY TUBE 4 0 2 4 2000 CAPILLARY TUBE 2 0 0 6 1000 MF LEV A LEV B HPS 1 1 1 1 2 2 2 2 1 1 1 1 1 1 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit MXZ 18RV Remarks RA6V50 4 0 2 4 300 4 0 2 4 400 2 0 0...

Page 180: ...NG RESISTOR DIODE STACK SMOOTHING CAPACITOR POWER FACTOR CAPACITOR NOISE FILTER FIN TEMPERATURE THERMISTOR POWER TRANSISTOR MODULE TERMINAL BLOCK TERMINAL BLOCK ELECTRONIC CONTROL P C BOARD RELAY P C BOARD REACTOR R V COIL SUCTION TEMPERATURE THERMISTOR DEFROST TEMPERATURE THERMISTOR DISCHARGE TEMPERATURE THERMISTOR NOISE FILTER GAS PIPE TEMPERATURE THERMISTOR DS63 R65 DS61 C67 C61 NF61 RT63 TR TB...

Page 181: ...ACK DIODE MODULE REACTOR POWER FACTOR CAPACITOR SMOOTHING CAPACITOR CONTROL P C BOARD NOISE FILTER BOARD TERMINAL BLOCK TERMINAL BLOCK RELAY GAS PIPE TEMPERATUR THERMISTOR FIN TEMPERATURE THERMISTOR H P SWITCH RESISTOR THERMISTOR SOLENOID COIL RELAY P C BOARD MF61 DS62 DS61 L C61 C62 C63 TB3 TB2 X64 RT66 67 68 69 RT63 63H2 R RT61 62 64 65 21S4 21S2 1 1 1 1 1 1 1 2 1 1 4 1 1 1 1 1 1 1 1 1 No Parts ...

Page 182: ...SWICH H P SWICH 2 WAY VALVE UNION EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE CRANKCASE HEATER BASE ASSEMBLY HEAT EXCHANGER COMPRESSOR CAPILLARY TUBE 2 5O 0 6O1000 CAPILLARY TUBE 3 0O 2 0O900 CAPILLARY TUBE 2 0O 0 6O1000 63L 63H1 MC 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit MXZ 32RV Remarks 1 2 3 8 1 4 SET A room B r...

Page 183: ... in Wiring Diagram Parts No Q ty unit MXZ 18RV Remarks E1 E1 MXZ 32RV T2W E59 704 DRAIN SOCKET ASSEMBLY 1 1 DRAIN SOCKET O1 DRAIN CAP O2 183 15 25 REMOTE CONTROLLER 1 15 26 ACCESSORY PARTS 2 MXZ 18RV MXZ 32RV E1 E1 15 25 REMOTE CONTROLLER 15 26 ACCESSORY PARTS ...

Page 184: ...IR CLEANING FILTER AIR CLEANING FILTER removes fine dust of 0 01 micron from air by means of static electricity Normal life of AIR CLEANING FILTER is 3 months However when it becomes dirty replace it as soon as possible Clogged AIR CLEANING FILTER may reduce the air conditioner capacity or cause frost on the air outlet DO NOT reuse AIR CLEANING FILTER even if it is washed DO NOT remove or attach A...

Page 185: ...unit Model name Model code MXZ 18RV PAC 292SG MXZ 32RV MAC 855SG 51H 855 610 4 534 534 386 416 51 8 150 109 4 29 2 760 8 760 8 29 2 6 4 6 4 832 386 Punxhed hole Punxhed hole 5 6 5 6 524 52 5 7 7 7 7 72 4x ø6 holes 538 524 48 13 7 10X48 480 537 PAC 292SG MAC 855SG ...

Page 186: ...opyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Apr 1999 No OB227 REVISED EDITION B 245 Issued in Apr 1999 No OB227 REVISED EDITION A 50 Issued in Dec 1998 No OB227 244 Printed in Japan HEAD OFFICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO100 8310 TELEX J24532 CABLE MELCO TOKYO ...

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