Mitsubishi Electric MUZ-GA50VA-E1 Скачать руководство пользователя | Manualshive

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3

1

TECHNICAL CHANGES

Refrigeration

oil

Refrigerant

New refrigerant

R410A

HFC-32: HFC-125 (50%: 50%)

Pseudo-azeotropic refrigerant

Not included

A1/A1

72.6

-51.4

1.557

64

Non combustible

0

1730

From liquid phase in cylinder

Possible

Incompatible oil

Non
Non

Previous refrigerant

R22

R22 (100%)

Single refrigerant

Included

A1

86.5

-40.8

0.94
44.4

Non combustible

0.055

1700

Gas phase

Possible

Compatible oil

Light yellow

Non

Refrigerant
Composition (Ratio)
Refrigerant handling
Chlorine
Safety group (ASHRAE)
Molecular weight
Boiling point (°C)
Steam pressure [25°C](Mpa)
Saturated steam density [25°C](kg/m

3

)

Combustibility
ODP 1
GWP 2
Refrigerant charge method
Additional charge on leakage
Kind
Color
Smell

1: Ozone Depletion Potential

: based on CFC-11

2: Grobal Warming Potential : based on CO

2

INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT

• This room air conditioner adopts HFC refrigerant (R410A) which never destroys the ozone layer.

• Pay particular attention to the following points, though the basic installation procedure is same as that for R22 air

conditioners.

As R410A has working pressure approximate 1.6 times as high as that of R22, some special tools and piping parts/

materials are required. Refer to the table below.

Take sufficient care not to allow water and other contaminations to enter the R410A refrigerant during storage and

installation, since it is more susceptible to contaminations than R22.

For refrigerant piping, use clean, pressure-proof parts/materials specifically designed for R410A. (Refer to 2. Refrigerant

piping.)

Composition change may occur in R410A since it is a mixed refrigerant. When charging, charge liquid refrigerant to prevent

composition

change.

MUZ-A18YV -

E1

MUZ-GA50VA -

E1

MUZ-A24YV -

E1

MUZ-GA60VA -

E1

MUZ-A26YV -

E1

MUZ-GA71VA -

E1

  1. Indication of capacity has been changed. (BTU base   kW base)
  2. Outdoor electronic control P.C. board has been changed.
  3. Noise filter P.C. board has been changed.
  4. Length of fan motor lead wire has been changed.
  5. Shape of relay panel has been changed.
  6. Signal of terminal block has been changed.

MUZ-GA60VA -

E1

MUZ-GA60VA -

E2

1. Compressor has been changed. (SNB130FLDH1 SNB130FLEH1)
2. Outdoor electronic control P.C. board has been changed.

MUZ-GA71VA -

E1

MUZ-GA71VA -

E2

1. Outdoor electronic control P.C. board has been changed.

MUZ-GA60VA -

E2

MUZ-GA60VA -

E3

1. Compressor has been changed. (SNB130FLEH1 SNB130FGBH)
2. Outdoor electronic control P.C. board has been changed.
3. Refrigerant circuit has been changed.

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Содержание MUZ-GA50VA-E1

Страница 1: ...ST 50 14 RoHS PARTS LIST 52 Models SPLIT TYPE AIR CONDITIONERS MUZ GA50VA E1 MUZ GA60VA E1 MUZ GA60VA E2 MUZ GA60VA E3 MUZ GA71VA E1 MUZ GA71VA E2 HFC utilized R410A NOTE RoHS compliant products have G mark on the spec name plate For servicing of RoHS compliant products refer to the RoHS Parts List Contents of SERVICE FUNCTIONS 10 have been removed No OB389 REVISED EDITION H Indoor unit service ma...

Страница 2: ... and RoHS PARTS LIST have been changed Revision E REFRIGERANT SYSTEM DIAGRAM has been changed for MUZ GA60VA E2 Revision F MUZ GA60VA E3 has been added Revision G The fan guard for MUZ GA50VA E MUZ GA60VA E and MUZ GA71VA E has been changed Use the specified refrigerant only Never use any refrigerant other than that specified Doing so may cause a burst an explosion or fire when the unit is being u...

Страница 3: ...hat of R22 some special tools and piping parts materials are required Refer to the table below Take sufficient care not to allow water and other contaminations to enter the R410A refrigerant during storage and installation since it is more susceptible to contaminations than R22 For refrigerant piping use clean pressure proof parts materials specifically designed for R410A Refer to 2 Refrigerant pi...

Страница 4: ...rque wrench Flare tool Flare gauge Vacuum pump adapter Electronic scale for refrigerant charging No Not Substitutable for R410A Yes Substitutable for R410A No 12 7 mm and 15 88mm 1 Tools dedicated for the air conditioner with R410A refrigerant The following tools are required for R410A refrigerant Some R22 tools can be substituted for R410A tools The diameter of the service port on the stop valve ...

Страница 5: ...e the vacuum pump for air purging for the purpose of environmental protection 5 Additional charge For additional charging charge the refrigerant from liquid phase of the gas cylinder If the refrigerant is charged from the gas phase composition change may occur in the refrigerant inside the cylinder and the outdoor unit In this case capacity of the refrigeration cycle decreases or normal operation ...

Страница 6: ... motor Special remarks Coefficient of performance C O P 1 Capacity Electrical data Single phase 230V 50Hz 20 11 2 0 30 TNB220FMCH 1 300 U V 1 41 W U 1 41 V W 1 41 RC0J60 AA BLK WHT 15 2 WHT RED 15 2 RED BLK15 2 840x850x330 58 2 2 0 NEO22 Heating 8 1 0 9 9 6 2 940 2 210 10 6 2 390 98 0 10 3 3 31 55 53 800 620 MUZ GA71VA Single phase 230V 50Hz 20 8 93 0 30 SNB130FLDH or SNB130FLDH1 SNB130FLEH1 SNB13...

Страница 7: ...mperature 6 C Model Item Smoothing capacitor Current transformer Current transformer Fuse Fuse Fuse Intelligent power module High pressure switch Intelligent power module Reactor Expansion valve coil Power factor controller Resistor Resistor Resistor Solenoid coil relay Terminal block Terminal block Relay R V coil MUZ GA50VA CB1 2 3 CT1 2 CT61 F64 F801 F911 HC930 HPS IPM L LEV PFC R64A B R937A B R...

Страница 8: ...both sides are open 100 mm or more 200 mm or more if there are obstacles to both sides Open as a rule 500 mm or more if the back both sides and top are open 350 mm or more 100 mm or more Service panel Gas refrigerant pipe joint Refrigerant pipe flared Ø12 7 MUZ GA50 Ø15 88 MUZ GA60 71 Liquid refrigerant pipe joint Refrigerant pipe flared Ø6 35 MUZ GA50 60 Ø9 52 MUZ GA71 REQUIRED SPACE ...

Страница 9: ...C W U V WHT RT61 RT62 RT68 LEV Terminal block Connector 3 Symbols below indicate 2 Use copper conductors only for field wiring diagram for servicing refer to the indoor unit electric wiring 1 About the indoor side electric wiring NOTES SYMBOL NAME SYMBOL NAME CURRENT TRANSFORMER FUSE T1AL 250V LEV EXPANSION VALVE COIL L REACTOR IPM INTELLIGENT POWER MODULE CT61 FUSE T2AL 250V F64 CT1 2 CURRENT TRA...

Страница 10: ...10 MUZ GA60VA E3 ...

Страница 11: ...3 1 CN2 2 7 V MC W U V WHT RT61 RT62 RT68 LEV Terminal block Connector 3 Symbols below indicate 2 Use copper conductors only for field wiring diagram for servicing refer to the indoor unit electric wiring 1 About the indoor side electric wiring NOTES SYMBOL NAME SYMBOL NAME CURRENT TRANSFORMER FUSE T1AL 250V LEV EXPANSION VALVE COIL L REACTOR IPM INTELLIGENT POWER MODULE HPS HIGH PRESSURE SWITCH C...

Страница 12: ...00 Receiver Outdoor heat exchanger temperature thermistor RT68 Ambient temperature thermistor RT65 Strainer 100 MUZ GA60VA E2 Unit mm Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve Stop valve with service port Capillary tube Ø3 6 x Ø2 4 x 50 Capillary tube Ø1 8 x Ø0 6 x 1000 Refrigerant flow in cooling Compressor ...

Страница 13: ...100 Receiver Outdoor heat exchanger temperature thermistor RT68 Strainer 100 Strainer 100 Ambient temperature thermistor RT65 MUZ GA60VA E3 Unit mm Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve Stop valve with service port Capillary tube Ø3 6 x Ø2 4 x 50 Refrigerant flow in cooling Compressor 4 way valve Refriger...

Страница 14: ... GA50VA MUZ GA60VA Refrigerant piping length one way Outdoor unit precharged 1 800 15m 160 20m 260 25m 360 30m 460 7m 0 10m 60 ADDITIONAL REFRIGERANT CHARGE R410A g Calculation Xg 20 g m x Refrigerant piping length m 7 Outdoor unit precharged 2 000 0 165 440 715 990 1 265 Refrigerant piping length one way 15m 10m 7m Model MUZ GA71VA 20m 25m 30m Calculation Xg 55 g m x Refrigerant piping length m 7...

Страница 15: ...fference 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 thermometers to prevent direct rays of ...

Страница 16: ...nput correction factors Input correction factors Capacity correction factors Correction of Cooling capacity The operational frequency of compressor Correction of Cooling total input The operational frequency of compressor Correction of Heating total input The operational frequency of compressor Correction of Heating capacity The operational frequency of compressor Capacity correction factors Input...

Страница 17: ...5 60 30 70 35 C 15 20 50 25 60 30 70 35 C 5 6 7 8 9 32 18 Ambient temperature C Ambient humidity Outdoor low pressure Outdoor unit current A Ambient temperature C Ambient humidity MUZ GA60VA MUZ GA60VA 1 Press EMERGENCY OPERATION switch to COOL or HEAT mode COOL Press once HEAT Press twice 2 Test run operation starts and continues to operate for 30 minutes 3 Compressor operates at rated frequency ...

Страница 18: ... GA71VA MUZ GA50VA MUZ GA60VA 10 0 9 0 8 0 7 0 6 0 5 0 4 0 2 5 10 15 20 25 C 16 0 15 0 14 0 13 0 12 0 11 0 10 0 2 5 10 15 20 25 C 12 0 11 0 10 0 9 0 8 0 7 0 6 0 2 5 10 15 20 25 C Condition Operation TEST RUN OPERATION refer to 8 3 HEAT operation Dry bulb temperature ºC Indoor 20 0 14 5 2 1 Outdoor 7 6 15 12 20 0 14 5 Wet bulb temperature ºC ...

Страница 19: ... 1320 29 20 6 13 4 10 0 67 1260 5 88 3 94 0 67 1335 5 70 3 82 0 67 1365 29 22 6 38 3 51 0 55 1305 6 15 3 38 0 55 1388 6 00 3 30 0 55 1425 29 24 6 70 2 88 0 43 1365 6 45 2 77 0 43 1440 6 30 2 71 0 43 1485 29 26 6 90 2 14 0 31 1440 6 70 2 08 0 31 1515 6 60 2 05 0 31 1560 30 18 5 88 4 88 0 83 1200 5 63 4 67 0 83 1260 5 40 4 48 0 83 1320 30 20 6 13 4 35 0 71 1260 5 88 4 17 0 71 1335 5 70 4 05 0 71 136...

Страница 20: ...70 2 22 0 39 1785 4 90 4 46 0 91 1470 4 50 4 10 0 91 1560 5 15 4 07 0 79 1530 4 80 3 79 0 79 1605 5 45 3 65 0 67 1590 5 10 3 42 0 67 1680 5 75 3 16 0 55 1650 5 40 2 97 0 55 1725 6 05 2 60 0 43 1710 5 70 2 45 0 43 1785 4 33 2 03 0 47 1590 4 15 1 95 0 47 1620 4 63 1 62 0 35 1650 4 45 1 56 0 35 1695 4 33 2 21 0 51 1590 4 15 2 12 0 51 1620 4 63 1 80 0 39 1650 4 45 1 74 0 39 1695 4 93 1 33 0 27 1710 4 ...

Страница 21: ...4 1638 6 48 4 80 0 74 1716 7 35 4 56 0 62 1638 7 05 4 37 0 62 1736 6 84 4 24 0 62 1775 7 65 3 83 0 50 1697 7 38 3 69 0 50 1804 7 20 3 60 0 50 1853 8 04 3 06 0 38 1775 7 74 2 94 0 38 1872 7 56 2 87 0 38 1931 8 28 2 15 0 26 1872 8 04 2 09 0 26 1970 7 92 2 06 0 26 2028 7 05 5 50 0 78 1560 6 75 5 27 0 78 1638 6 48 5 05 0 78 1716 7 35 4 85 0 66 1638 7 05 4 65 0 66 1736 6 84 4 51 0 66 1775 7 65 4 13 0 5...

Страница 22: ...42 2 44 0 38 2418 5 19 4 67 0 90 2067 4 98 4 48 0 90 2106 5 55 4 33 0 78 2145 5 34 4 17 0 78 2204 5 91 3 90 0 66 2223 5 70 3 76 0 66 2262 6 30 3 40 0 54 2291 6 12 3 30 0 54 2340 6 63 2 78 0 42 2369 6 42 2 70 0 42 2418 5 88 2 70 0 46 1911 5 40 2 48 0 46 2028 6 18 2 10 0 34 1989 5 76 1 96 0 34 2087 5 88 2 94 0 50 1911 5 40 2 70 0 50 2028 6 18 2 35 0 38 1989 5 76 2 19 0 38 2087 6 54 1 70 0 26 2067 6 ...

Страница 23: ...51 2 38 0 25 2464 9 37 2 34 0 25 2538 8 34 6 42 0 77 1952 7 99 6 15 0 77 2050 7 67 5 90 0 77 2147 8 70 5 65 0 65 2050 8 34 5 42 0 65 2172 8 09 5 26 0 65 2220 9 05 4 80 0 53 2123 8 73 4 63 0 53 2257 8 52 4 52 0 53 2318 9 51 3 90 0 41 2220 9 16 3 76 0 41 2342 8 95 3 67 0 41 2416 9 80 2 84 0 29 2342 9 51 2 76 0 29 2464 9 37 2 72 0 29 2538 8 34 6 76 0 81 1952 7 99 6 47 0 81 2050 7 67 6 21 0 81 2147 8 ...

Страница 24: ...60 2 81 0 37 3026 6 14 5 47 0 89 2586 5 89 5 24 0 89 2635 6 57 5 06 0 77 2684 6 32 4 87 0 77 2757 6 99 4 55 0 65 2782 6 75 4 38 0 65 2830 7 46 3 95 0 53 2867 7 24 3 84 0 53 2928 7 85 3 22 0 41 2965 7 60 3 11 0 41 3026 6 96 3 13 0 45 2391 6 39 2 88 0 45 2538 7 31 2 41 0 33 2489 6 82 2 25 0 33 2611 6 96 3 41 0 49 2391 6 39 3 13 0 49 2538 7 31 2 71 0 37 2489 6 82 2 52 0 37 2611 7 74 1 93 0 25 2586 7 ...

Страница 25: ... 3 67 1493 4 56 1751 5 37 1930 6 26 2070 7 14 2169 7 96 2229 8 84 2289 INDOOR 10 5 0 5 10 15 20 DB C Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 21 26 CAPACITY 8 1 kW INPUT 2450 W OUTDOOR WB C INDOOR 10 5 0 5 10 15 20 DB C Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 21 26 5 10 1625 6 16 1950 7 21 2200 8 26 2375 9 32 2525 10 29 2600 11 34 2650 4 86 1750 5 83 2075 6 89 ...

Страница 26: ... seconds HEAT 5 seconds ON or OFF ON or OFF 9 1 OUTDOOR FAN MOTOR CONTROL The fan motor turns ON OFF interlocking with the compressor ON The fan motor turns ON 5 seconds before the compressor starts up OFF The fan motor turns OFF 15 seconds after the compressor has stopped running Discharge temperature thermistor Indoor coil temperature thermistor Defrost thermistor Fin temperature thermistor Outd...

Страница 27: ...tage 2 Check the indoor outdoor connecting wire for miswiring 2 Take care of the following during servicing 1 Before servicing the air conditioner be sure to turn OFF the main unit first with the remote controller and after confirming the horizontal vane is closed turn OFF the breaker and or disconnect the power plug 2 Be sure to turn OFF the power supply before removing the front panel the cabine...

Страница 28: ...n and confirm the abnormal point with the indoor unit failure mode table Refer to indoor unit service manual Make sure to check at least two consecutive blinking cycles 2 Turn ON the power supply Preparation of the remote controller While pressing both OPERATION SELECT button and TOO COOL button on the remote controller at the same time press RESET button First release RESET button Hold down the o...

Страница 29: ...lure mode recall function mentioned above Press OPERATE STOP ON OFF button of the remote controller the set temperature is displayed with the remote controller headed towards the indoor unit Press EMERGENCY OPERATION switch so that the memorized abnormal condition is deleted Release the failure mode recall function according to Releasing the failure mode recall function mentioned above Repair the ...

Страница 30: ...onverter protection stop or bus bar voltage protection stop is continuously performed 3 times within 3 minutes after start up Thermistor shorts or opens during compressor running 28A current flows into intelligent power module High pressure is detected with the high pressure switch HPS during operation The outdoor heat exchanger temperature exceeds 70 Cduring cooling or the indoor gas pipe tempera...

Страница 31: ...erformed 10 times Zero cross signal cannot be detected while the compressor is operating A failure is detected in the operation of the converter during operation The bus bar voltage exceeds 400V or falls to 200V or below during compressor operating The bus bar voltage exceeds 400V or falls to 50V or below during compressor operating Communication error between P C boards Current sensor Zero cross ...

Страница 32: ...t Trouble of room temp erature indoor coil thermistor Left lamp 3 time flash Cause Indoor unit Trouble of indoor fan motor Left lamp 5 time flash Cause Outdoor unit Outdoor power system abnormality Left lamp 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit Left lamp 7 time flash Cause Outdoor unit Trouble of outdoor control system Refer to 11 6 How to check of mis wiring and s...

Страница 33: ...Replace the power board Bus bar voltage protection 1 Check the voltage of power supply Replace the power board or the outdoor electronic control P C board Refer to 11 6 Check of bus bar voltage Bus bar voltage protection 2 13 times Goes out Outdoor fan motor Refer to 11 6 Check of outdoor fan motor Lighting 8 times Current sensor protection Replace the power board Lighting 11 times Communication b...

Страница 34: ...f the product but check the following points Check if indoor filters are clogged Check if refrigerant is short Check if indoor outdoor unit air circulation is short cycled Twice Lighting Once Lighting The discharge temperature exceeds 100 C during operation The frequency of the compressor is kept 80Hz or more and the discharge temperature is kept under 39 C for more than 20 minutes The outdoor hea...

Страница 35: ...rminals using a tester Winding temperature 10 C 40 C Normal GA50 GA60VA E1 E2 GA60VA E3 GA71VA 0 40 Ω 0 49 Ω 0 86 Ω 1 06 Ω 1 29 Ω 1 49 Ω Outdoor fan motor Measure the resistance between lead wires using a tester Part temperature 10 C 40 C Color of lead wire Normal RED BLK 13 4 Ω 16 4 Ω BLK WHT WHT RED R V coil Measure the resistance using a tester Part temperature 10 C 40 C Normal MUZ GA60VA E3 Ot...

Страница 36: ...uit Is there voltage of 230 VAC in the power supply terminal block Is the output voltage from the noise filter P C board 230 VAC Is the input voltage to the outdoor electronic control P C board 325 VDC Check the power supply cable Replace the outdoor electronic control P C board Replace the noise filter P C board Is fuse F64 blown Is the input voltage to the power board 230 VAC Replace the fuse Re...

Страница 37: ...ply Check once more if the indoor outdoor connecting wire is not mis wiring Short circuit outdoor terminal block S2 and S3 1 B Turn ON the power supply Check the wiring Correct them Turn OFF the power supply Remove the short circuit between outdoor terminal block S2 and S3 Turn ON the power supply Is there amplitude of 10 to 20V DC between outdoor terminal block S2 and S3 Confirmation of serial si...

Страница 38: ...onnector CN912 in noise filter P C board Is there normal resistance to R V coil 1 Disconnect the lead wire leading to the compressor 2 3 minutes after turning ON the power supply start EMERGENCY OPERATION in COOL mode Is there voltage of 230 VAC between pin1 and pin 2 at connector CN912 1 Turn OFF power supply of indoor and outdoor unit and disconnect the connector CN781 in the outdoor electronic ...

Страница 39: ...ENCY OPERATION Is output balanced Clarify the causes by counting time until the inverter stops 0 to 10 seconds compressor rare short 10 to 60 seconds compressor lock 60 seconds to 5minutes refrigerant circuit defective 5 minutes or more normal Measure the voltage between each lead wire leading to the compressor U BLK V WHT V WHT W RED W RED U BLK Is there output voltage Turn OFF power supply of in...

Страница 40: ...t exchanger temperature Ambient temperature Fin temperature Symbol RT61 RT62 RT68 RT65 RT64 Connector Pin No Thermistor Board Between CN661 pin1 and pin2 Between CN661 pin3 and pin4 Between CN661 pin7 and pin8 Between CN663 pin1 and pin2 Between CN3 pin1 and pin2 Outdoor electronic control P C board Outdoor power board When RT64 is abnormal replace the outdoor power board Yes No No Yes Yes No Fixe...

Страница 41: ...ormal I Check of bus bar voltage Check the voltage of power supply Confirm outdoor unit failure mode recall function Refer to 11 2 2 Blink 5 times Confirm LED1 indication lamp on the outdoor electronic control P C board Replace the power board Blink 9 times Replace the outdoor electronic control P C board Turn OFF power supply before removing P C board Confirm LED1 indication lamp on the outdoor e...

Страница 42: ...ise 4 Layout of indoor outdoor unit of the air conditioner indoor outdoor wiring earth wire antennas wiring from antennas receiver 5 Electric field intensity of the broadcast station affected by the electromagnetic noise 6 Presence or absence of amplifier such as booster 7 Operation condition of air conditioner when the electromagnetic noise enters in 1 Turn OFF the power supply once and then turn...

Страница 43: ...AND VOLTAGE 1 Outdoor electronic control P C board MUZ GA50VA MUZ GA60VA MUZ GA71VA LED 1 LED 2 CN801 325 VDC 370 VDC Input CN932 20 90 VAC GND 5 V 5 VDC pulse wave To fan motor Defrost thermistor RT61 Discharge temperature thermistor RT62 Outdoor heat exchanger temperature thermistor RT68 Rush current relay R V coil 12 VDC 15 V 15 V CN931 CN661 CN701 Signal transmission To power board 5 VDC pulse...

Страница 44: ...0 VAC Input 230 VAC Output CN901 To electronic control P C board MUZ GA50VA MUZ GA60VA MUZ GA71VA F64 FUSE T2AL250V F911 FUSE T1AL250V 2 Noise filter P C board CN902 To power board CN903 To power board 230 VAC Output NR64 VARISTOR ...

Страница 45: ...used 6 5 15 V 7 5 15 V Signal reception From electronic control P C board 5 VDC pulse wave CN3 Fin temperature thermistor RT64 325 370 VDC Output Red White Connect to the compressor Voltage among phases 5V to 180V Connect to the earth CN5 Primary current detection Connect to the noise filter CN2 Connect to the controller board 1 5 Signal transmission To electronic control P C board 5 VDC pulse wav...

Страница 46: ...rew of the top panel Screws of the cabinet Screws of the cabinet Screws of the top panel Screws of the cabinet Screw of the service panel Screw of the valve cover Screw of the motor support Set screws of the back panel Screws of the back panel 1 Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector has the locking mechanism Slide the sleeve Pull the termi...

Страница 47: ...e relay panel 6 Remove the inverter assembly 7 Disconnect all connectors and lead wires on the electronic control P C board 8 Remove the electronic control P C board from the inverter assembly 9 Remove the screws fixing the power board assembly 10 Disconnect all connectors and lead wires on the power board 11 Remove the power board from the inverter assembly 12 Disconnect all connectors and lead w...

Страница 48: ...ture thermistor 1 Remove the top panel cabinet and service panel Refer to 1 2 Remove the back panel Refer to 1 3 Disconnect the following connectors Electronic control P C board CN661 Discharge temperature thermistor defrost thermistor and outdoor heat exchanger temperature thermistor CN663 Ambient temperature thermistor 4 Pull out the defrost thermistor from its holder 5 Pull out the discharge te...

Страница 49: ...the pipes until the pressure gauge shows 0 kg cm2 0 MPa 5 Detach the brazed part of the suction and the discharge pipe connected with compressor 6 Remove the compressor nuts 7 Remove the compressor 8 Detach the brazed part of 4 way valve and pipe 7 Removing the reactor 1 Remove the top panel Refer to 1 2 Disconnect the reactor lead wire 3 Remove the screws of the reactor and remove the reactor Pho...

Страница 50: ... 5 6 7 8 16 14 20 22 23 24 25 29 30 31 3 13 PARTS LIST non RoHS compliant MUZ GA50VA MUZ GA60VA MUZ GA71VA 13 1 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS 11 15 17 18 21 28 27 26 13 2 ACCESSORY 33 34 ...

Страница 51: ...OP VALVE GAS STOP VALVE GAS STOP VALVE LIQUID STOP VALVE LIQUID EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE COIL OIL SEPARATOR R V COIL 4 WAY VALVE VALVE COVER SERVICE PANEL OUTDOOR ELECTRONIC CONTROL P C BOARD OUTDOOR ELECTRONIC CONTROL P C BOARD OUTDOOR ELECTRONIC CONTROL P C BOARD TERMINAL BLOCK TERMINAL BLOCK REACTOR NOISE FILTER P C BOARD AMBIENT TEMPERATURE THERMISTOR THERMISTOR SET POWE...

Страница 52: ...13 10 12 2 5 6 7 8 16 14 20 22 23 24 25 29 30 31 3 14 RoHS PARTS LIST RoHS compliant MUZ GA50VA MUZ GA60VA MUZ GA71VA 14 1 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS 11 15 17 18 21 28 27 26 ...

Страница 53: ...COMPRESSOR COMPRESSOR STOP VALVE GAS STOP VALVE GAS STOP VALVE LIQUID STOP VALVE LIQUID EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE COIL OIL SEPARATOR R V COIL R V COIL 4 WAY VALVE 4 WAY VALVE VALVE COVER SERVICE PANEL OUTDOOR ELECTRONIC CONTROL P C BOARD OUTDOOR ELECTRONIC CONTROL P C BOARD OUTDOOR ELECTRONIC CONTROL P C BOARD OUTDOOR ELECTRONIC CONTROL P C BOARD TERMINAL BLOCK TERMINAL BLOCK...

Страница 54: ...SHI ELECTRIC ENGINEERING CO LTD Distributed in Jun 2011 No OB389 REVISED EDITION H Distributed in Jun 2010 No OB389 REVISED EDITION G 6 Distributed in Sep 2007 No OB389 REVISED EDITION F 6 Distributed in Jul 2007 No OB389 REVISED EDITION E 6 Distributed in Jun 2007 No OB389 REVISED EDITION D 6 Distributed in Apr 2007 No OB389 REVISED EDITION C 6 Distributed in Aug 2006 No OB389 REVISED EDITION B 6...

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