Mitsubishi Electric MUZ-GC25VA-E1 User manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. SPECIFICATION·················································3
4. NOISE CRITERIA CURVES·······························5
5. OUTLINES AND DIMENSIONS ·························6
6. WIRING DIAGRAM ············································7
7. REFRIGERANT SYSTEM DIAGRAM··············11
8. PERFORMANCE CURVES······························13
9. ACTUATOR CONTROL····································22
10. SERVICE FUNCTIONS·····································23
11. TROUBLESHOOTING······································23
12. DISASSEMBLY INSTRUCTIONS·····················42
Wireless type
Models
SPLIT-TYPE, HEAT PUMPAIR CONDITIONERS
MUZ-GC25VA -
MUZ-GC25VAH -
MUZ-GC35VA -
MUZ-GC35VAH - E1
E1
E1
E1
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
HFC
utilized
R410A
No. OBH469
OUTDOOR UNIT
Indoor unit service manual
MSZ-GC•VA Series (OBH468)
MUZ-GC25VA
MUZ-GC25VAH PARTS CATALOG (OBB469)
OBH469--1.qxp 07.1.22 1:28 PM Page 1

PART NAMES AND FUNCTIONS
2
2
1TECHNICAL CHANGES
ACCESSORIES
Air outlet
Drain outlet
Piping
Drain hose
Air inlet
Air outlet
Drain outlet
Piping
Drain hose
Air inlet
1Drain socket MUZ-GC25VA
1MUZ-GC35VA
1
MUZ-GC25VA
MUZ-GC25VAH MUZ-GC35VA
MUZ-GC35VAH
MUZ-GA25VA - ➔MUZ-GC25VA -
MUZ-GA25VAH - ➔MUZ-GC25VAH -
MUZ-GA35VA - ➔MUZ-GC35VA -
MUZ-GA35VAH - ➔MUZ-GC35VAH - E1E3
E1E3
E1E3
E1E3
1.Outdoor model has been changed.
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3
3SPECIFICATION
4.2
0.24
KNB065FDTH(C)
500
RA6V21-AB or BB
684o540o255
26
1
0.75
Cooling
2.5 (0.9-3.0)
1.4
1,812
3.6
665
80
3.14
3.76
46
810
Heating
3.2 (0.9-4.5)
—
1,788
4.2
835
86
3.74
3.83
47
800
MUZ-GC25VA
5.0
KNB073FEDH or FGDH
550
RC0J50-AM
800o550o285
31
0.85
Cooling
3.5 (1.0-3.9)
2.0
2,010
5.0
1,075
93
4.47
0.31
3.26
47
810/750
2
Heating
4.0 (0.9-5.0)
—
2,082
4.9
1,055
94
4.33
0.35
3.79
48
880/810/650
3
Outdoor model
Function
Power supply
Capacity Rated frequency(Min.-Max.)
Dehumidification
Air flow ✽1
Power outlet
Running current ✽1
(Total)
Power input ✽1 (Total)
Power factor ✽1 (Total)
Starting current ✽1 (Total)
Compressor motor current ✽1
Fan motor current ✽1
Model
Output
Fan motor Model
Dimensions WOHOD
Weight
Sound level ✽1
Fan speed
Fan speed regulator
Refrigerant filling
capacity(R410A)
Refrigeration oil (Model)
kW
r/h
K/h
A
A
W
%
A
A
A
✽1
(Total)
W
mm
kg
dB(A)
rpm
kg
cc
Compressor
Special remarks
Coefficient of performance(C.O.P)
Capacity
Electrical data
MUZ-GC35VA
MUZ-GC25VAH MUZ-GC35VAH
Single phase
230V,50Hz
10
320 (NEO22)
NOTE : Test conditions are based on ISO 5151
Cooling : Indoor Dry-bulb temperature 27:Wet-bulb temperature 19:
Outdoor Dry-bulb temperature 35:
Heating : Indoor Dry-bulb temperature 20:
Outdoor Dry-bulb temperature 7:Wet-bulb temperature 6:
Refrigerant piping length (one way): 5m
✽1 Measured under rated operating frequency
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4
Model
Item
Current
transformer
Smoothing
capacitor
Diode module
Fuse
Defrost heater
Intelligent power module
Expansion valve coil
Reactor
Current-detecting
resistor
Current-limiting PTC thermistor
Current-limiting resistor
Terminal block
Relay
R.V. coil
Heater protector
Outdoor fan motor thermal fuse
IGBT
MUZ-GC25VA
(CT)
(CT761, CT781)
(C61,C62)
(
C63A, C63B, C63C )
(DB61)
(DB65)
(DB61, DB65)
(F61)
(F701, F801)
(F71,F801,F901)
(H)
(IPM)
(LEV)
(L61)
(R61)
(R825,R831)
(PTC64)
( R64A, R64B )
(TB1,TB2)
(X61)
(X63)
(X64)
(X66)
(21S4)
(26H)
(TR821)
MUZ-GC25VAH MUZ-GC35VA MUZ-GC35VAH
20A
—
620+ 420V
—
—
25A 600V
—
T3.15AL250V
15A 600V
10A 23.0mH
—
10"5W
—
STF-01AJ503
—
—
—
—
230V 130W
3A 250V
Open 45:
—
—
—
230V 138W
3A 250V
Open 45:
20A
T20AL250V
CAM-MD12ME 12VDC
45m"5W
25m"5W
3P
3A 250V
20A 250V
3A 600V
—
500+ 420V
—
15A 600V
10A 600V
—
T3.15AL250V
—
10A 600V
7A 18.0mH
33"
—
2A 240V
SHF-4-10W5
Open 152:(RA6V21-AB) or Open 126:(RA6V21-BB)
Specifications and rating conditions of main electric parts
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5
4NOISE CRITERIA CURVES
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A)) LINE
HEATING
46
47
MUZ-GC25VA
MUZ-GC25VAH
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A)) LINE
HEATING
47
48
Test conditions
Cooling : Dry-bulb temperature 35:
Heating : Dry-bulb temperature 7: Wet-bulb temperature 6:
OUTDOOR UNIT
MICROPHONE
1m
MUZ-GC35VA
MUZ-GC35VAH
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