Mitsubishi Electric MUZ-GF60VE-E1 User manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ······························3
2. PART NAMES AND FUNCTIONS··················4
3. SPECIFICATION ········································5
4. NOISE CRITERIA CURVES··························7
5. OUTLINES AND DIMENSIONS·····················8
6. WIRING DIAGRAM·····································9
7. REFRIGERANT SYSTEM DIAGRAM···········10
8. PERFORMANCE CURVES ························12
9. ACTUATOR CONTROL·····························21
10. SERVICE FUNCTIONS······························22
11. TROUBLESHOOTING·······························23
12. DISASSEMBLY INSTRUCTIONS·················41
Models
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
HFC
utilized
R410A
No. OBH635
REVISED EDITION-C
PARTS CATALOG (OBB635)
Indoor unit service manual
MSZ-GF•VE Series (OBH634)
Revision C:
• MUZ-GF60VE-
E2
,
ER2
,
ET2
and MUZ-
GF71VE-
E2
,
ER2
,
ET2
have been added.
Please void OBH635 REVISED EDITION-C.
OUTDOOR UNIT
MUZ-GF60VE -E1 , ER1 , ET1
MUZ-GF60VE -E2 , ER2 , ET2
MUZ-GF71VE -E1 , ER1 , ET1
MUZ-GF71VE -E2 , ER2 , ET2
MUZ-GF60VE - E1 , ER1 , ET1
MUZ-GF71VE - E1 , ER1 , ET1

2
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 used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
<Preparation before the repair service>
Prepare the proper tools.
Prepare the proper protectors.
Provide adequate ventilation.
After stopping the operation of the air conditioner, turn off the power-supply breaker and remove the power plug.
Discharge the capacitor before the work involving the electric parts.
<Precautions during the repair service>
Do not perform the work involving the electric parts with wet hands.
Do not pour water into the electric parts.
Do not touch the refrigerant.
Do not touch the hot or cold areas in the refrigeration cycle.
When the repair or the inspection of the circuit needs to be done without turning off the power, exercise great caution not to
touch the live parts.
Revision A:
• MUZ-GF60VE- ER1 and MUZ-GF71VE- ER1 have been added.
Revision B:
• MUZ-GF60VE- ET1 and MUZ-GF71VE- ET1 have been added.
Revision C:
• MUZ-GF60VE-
E2
,
ER2
,
ET2
and MUZ-GF71VE-
E2
,
ER2
,
ET2
have been added.
OBH635C

3
MUZ-GF60VE - E1 , ER1
MUZ-GF71VE - E1 , ER1
1. New model
MUZ-GF60VE - ET1
MUZ-GF71VE - ET1
1. New model
TECHNICAL CHANGES
1
MUZ-GF60VE -E1 MUZ-GF60VE -E2
MUZ-GF71VE -E1 MUZ-GF71VE -E2
1. Model name has been changed.
MUZ-GF60VE - ER1 MUZ-GF60VE - ER2
MUZ-GF71VE - ER1 MUZ-GF71VE - ER2
1. Model name has been changed.
MUZ-GF60VE - ET1 MUZ-GF60VE - ET2
MUZ-GF71VE - ET1 MUZ-GF71VE - ET2
1. Model name has been changed.
OBH635C

4
PART NAMES AND FUNCTIONS
2
ACCESSORIES
Model MUZ-GF60/71VE
Drain socket 1
MUZ-GF60VE - E1 , ER1 , ET1 , MUZ-GF71VE - E1 , ER1 , ET1
Piping
Air outlet
Drain outlet
Air inlet
(back and side)
Drain hose
Piping
Air outlet
Drain outlet
Air inlet
(back and side)
Drain hose
MUZ-GF60VE - E2 , ER2 , ET2 , MUZ-GF71VE - E2 , ER2 , ET2
OBH635C

5
SPECIFICATION
3
Outdoor model MUZ-GF60VE MUZ-GF71VE
Power supply Single phase, 230 V, 50 Hz
Capacity
Rated frequency (Min. - Max.)
Cooling kW 6.1 (1.4 - 7.5) 7.1 (2.0 - 8.7)
Heating 6.8 (2.0 - 9.3) 8.1 (2.2 - 9.9)
Breaker Capacity A 20
Electrical data
Power input 1 (Set) Cooling W1,790 2,130
Heating 1,810 2,230
Running current 1
(Set) Cooling A7.9 9.3
Heating 8.0 9.8
Power factor 1 (Set) Cooling %98 99
Heating 98 99
Starting current 1 (Set) A 8.0 9.8
Coefficient of performance
(COP) 1 (Set) Cooling 3.41 3.33
Heating 3.76 3.63
Compressor
Model SNB130FGBMT SNB172FEKMT
Output W 900 1,200
Current 1Cooling A6.58 8.00
Heating 6.54 8.47
Refrigeration oil (Model) L 0.35(FV50S) 0.40(FV50S)
Fan motor Model RC0J60-BC
Current 1Cooling A0.93 0.83
Heating 0.93 0.82
Dimensions W × H × D mm 840 × 880 × 330
Weight kg 50 53
Special remarks
Dehumidification Cooling L/h 1.9 2.3
Air flow 1
Cooling High
m3/h
3,492 3,426
Med. 3,066 3,006
Low 1,692 1,512
Heating High 2,952 2,892
Med. 2,952 2,892
Low 2,226 2,280
Sound level 1Cooling dB(A) 55
Heating 55
Fan speed
Cooling High
rpm
950
Med. 840
Low 480 450
Heating High 810 Med. 810
Low 620 650
Fan speed regulator 3
Refrigerant filling capacity (R410A) kg 1.55 1.90
NOTE: Test conditions are based on ISO 5151.
Cooling: Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C
Outdoor Dry-bulb temperature 35°C
Heating: Indoor Dry-bulb temperature 20°C
Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C
Refrigerant piping length (one way): 5 m
1 Measured under rated operating frequency.
OBH635C