Mitsubishi Electronics MUZ-GE80VAD, MUZ-GE80VA, MUZ-GE80VA2, MUZ-GE71VAD, MUZ-GE60VAD User Manual

Revision E:

• MUZ-GE25VAD- A1

, MUZ-GE35VAD- A1 , MUZ-GE42VAD- A1 ,

MUZ-GE50VAD- A1

, MUZ-GE60VAD- A1 , MUZ-GE71VAD- A1

SPLIT-TYPE AIR CONDITIONERS

and MUZ-GE80VAD-

A1

have been added.

Please void OBH532 REVISED EDITION-D.

OUTDOOR UNIT

SERVICE MANUAL

HFC	No. OBH532
utilized	REVISED EDITION-E
R410A

Models

MUZ-GE25VA - A1 MUZ-GE25VA - A2 MUZ-GE25VAD - A1 MUZ-GE33VA - A1 MUZ-GE35VA - A1 MUZ-GE35VA2 - A1 MUZ-GE35VA2 - A2 MUZ-GE35VAD - A1 MUZ-GE42VA - A1 MUZ-GE42VAD - A1

MUZ-GE50VA - A1

MUZ-GE50VA2 - A1

MUZ-GE50VAD - A1

MUZ-GE60VA - A1

MUZ-GE60VAD - A1

MUZ-GE71VA - A1

MUZ-GE71VAD - A1

MUZ-GE80VA - A1

MUZ-GE80VA2 - A1

MUZ-GE80VAD - A1

Indoor unit service manual MSZ-GE•VA Series (OBH531)

CONTENTS

MUZ-GE25VA MUZ-GE25VAD MUZ-GE33VA MUZ-GE35VA MUZ-GE35VA2 MUZ-GE35VAD MUZ-GE42VA MUZ-GE42VAD

1.TECHNICAL CHANGES ··································· 3

2.PART NAMES AND FUNCTIONS····················· 4

3.SPECIFICATION················································ 6

4.NOISE CRITERIA CURVES ·····························11

5.OUTLINES AND DIMENSIONS ······················ 13

6.WIRING DIAGRAM·········································· 15

7.REFRIGERANT SYSTEM DIAGRAM ············· 27

8.PERFORMANCE CURVES ····························· 31

9.ACTUATOR CONTROL··································· 63

10.SERVICE FUNCTIONS···································· 64

11.TROUBLESHOOTING ····································· 65

12.DISASSEMBLY INSTRUCTIONS···················· 86

PARTS CATALOG (OBB532)

NOTE:

RoHS compliant products have <G> mark on the spec name plate.

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.

Revision A :

• MUZ-GE60VA- A1 , MUZ-GE71VA- A1 and MUZ-GE80VA- A1 have been added.

Revision B:

• MUZ-GE33VA- A1 and MUZ-GE42VA- A1 have been added.

Revision C:

• MUZ-GE35VA2- A1 , MUZ-GE50VA2- A1 and MUZ-GE80VA2- A1 have been added.

Revision D:

• MUZ-GE25VA- A2 and MUZ-GE35VA2- A2 have been added.

Revision E:

•MUZ-GE25VAD- A1 , MUZ-GE35VAD- A1 , MUZ-GE42VAD- A1 , MUZ-GE50VAD- A1 , MUZ-GE60VAD- A1 , MUZ-GE71VAD- A1 and MUZ-GE80VAD- A1 have been added.

OBH532E	2

1 TECHNICAL CHANGES

MUZ-GE25VA - A1 MUZ-GE33VA - A1 MUZ-GE35VA - A1 MUZ-GE42VA - A1 MUZ-GE50VA - A1 MUZ-GE60VA - A1 MUZ-GE71VA - A1 MUZ-GE80VA - A1

1. New model

MUZ-GE35VA - A1 MUZ-GE35VA2 - A1 MUZ-GE50VA - A1 MUZ-GE50VA2 - A1 MUZ-GE80VA - A1 MUZ-GE80VA2 - A1

1. Inverter P.C. board has been changed.

MUZ-GE25VA - A1 MUZ-GE25VA - A2

1.Compressor has been changed.

2.Back panel has been changed.

3.Outdoor heat exchanger has been changed.

4.Reactor has been changed.

5.Inverter P.C. board has been changed.

6.Maximum heating capacity has been changed.

MUZ-GE35VA2 - A1 MUZ-GE35VA2 - A2

1.Compressor has been changed.

2.Back panel has been changed.

3.Outdoor heat exchanger has been changed.

4.Inverter P.C. board has been changed.

MUZ-GE25VA - A2 MUZ-GE25VAD - A1 MUZ-GE35VA2 - A2 MUZ-GE35VAD - A1 MUZ-GE42VA - A1 MUZ-GE42VAD - A1 MUZ-GE50VA2 - A1 MUZ-GE50VAD - A1

1. Inverter P.C. board has been changed.

MUZ-GE60VA - A1 MUZ-GE60VAD - A1 MUZ-GE71VA - A1 MUZ-GE71VAD - A1 MUZ-GE80VA2 - A1 MUZ-GE80VAD - A1

1.Outdoor heat exchanger has been changed.

2.R.V coil has been changed.

3.4-Way valve has been changed.

4.Service panel has been changed.

5.Terminal block has been changed.

6.Inverter P.C. board has been changed.

OBH532E	3

2 PART NAMES AND FUNCTIONS

MUZ-GE25VA MUZ-GE25VAD MUZ-GE33VA

MUZ-GE35VA MUZ-GE35VA2 MUZ-GE35VAD MUZ-GE42VA MUZ-GE42VAD

Air inlet (back and side)

Piping

Drain hose

Air outlet

Drain outlet

MUZ-GE50VA MUZ-GE50VA2 MUZ-GE50VAD

Air inlet (back and side)

Piping

Drain hose

Air outlet

Drain outlet

OBH532E	4

MUZ-GE60VA MUZ-GE60VAD MUZ-GE71VA MUZ-GE71VAD

MUZ-GE80VA MUZ-GE80VA2 MUZ-GE80VAD

Air inlet (back and side)

			Piping
			Drain hose
			Air outlet
			Drain outlet
	ACCESSORIES
		MUZ-GE25VA MUZ-GE25VAD	MUZ-GE50VA	MUZ-GE60VA MUZ-GE60VAD
		MUZ-GE33VA
				MUZ-GE71VA MUZ-GE71VAD
	Model	MUZ-GE35VA MUZ-GE35VA2	MUZ-GE50VA2
				MUZ-GE80VA MUZ-GE80VA2
		MUZ-GE35VAD	MUZ-GE50VAD
				MUZ-GE80VAD
		MUZ-GE42VA MUZ-GE42VAD
	Drain socket	1	1	1
	Drain cap	-	2	-

OBH532E	5

3 SPECIFICATION

Outdoor model

MUZ-GE25VA- A1

MUZ-GE25VA- A2

MUZ-GE25VAD

MUZ-GE33VA

Power supply

Single phase, 230 V, 50 Hz

Capacity

Cooling

kW

2.5 (1.1 - 3.5)

3.3(1.4 - 3.9)

Rated frequency (Min.-Max.)

Heating

3.2 (1.3 - 4.5)

3.2 (1.3 - 4.1)

3.2 (1.3 - 4.5)

4.0 (1.4 - 4.8)

Breaker Capacity

A

10

data

Power input

1 (Total)

Cooling

W

560

910

Heating

730

1,030

Running current

1

Cooling

A

2.9

4.3

Electrical

Power factor 1 (Total)

Heating

84

93

%

(Total)

Heating

3.8

4.8

Cooling

84

92

Starting current

1 (Total)

A

3.8

4.8

Coefficient of performance

Cooling

4.46

3.63

(COP) 1 (Total)

Heating

4.38

3.88

Model

KNB073FFDHC

KNB073FKVHC

KNB092FFAHC

Output

W

550

650

Compressor

Current

1

Cooling

A

2.44

3.70

Heating

3.30

4.30

Refrigeration oil

L

0.32 (NEO22)

0.36 (NEO22)

0.32 (NEO22)

(Model)

Fan motor

Model

RC0J50-DB

Current

1

Cooling

A

0.24

0.31

Heating

0.27

Dimensions W × H × D

mm

800 × 550 × 285

Weight

kg

30

Dehumidification

Cooling

L/h

0.2

0.6

Cooling

High

–

Med.

1,806

1,956

Air flow 1

Low

m3/h

1,170

1,806

Heating

High

2,106

2,130

remarks

Med.

1,806

1,956

Low

1,452

1,476

Sound level

1

Heating

dB(A)

48

47

Cooling

46

Special

High

–

Cooling

Med.

740

800

Fan speed

Low

rpm

490

740

Heating

High

860

870

Med.

740

800

Low

600

610

Fan speed regulator

3

Refrigerant filling capacity

kg

0.80

(R410A)

NOTE: Test conditions are based on AS/NZS 3823.1.1.

Cooling: Indoor

Dry-bulb temperature 27°C

Wet-bulb temperature

19°C

Outdoor Dry-bulb temperature 35°C

Wet-bulb temperature

(24°C)

Heating: Indoor

Dry-bulb temperature 20°C

Wet-bulb temperature

15.5°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.

OBH532E	6

	Outdoor model							MUZ-GE35VA	MUZ-GE35VA2- A1		MUZ-GE35VA2- A2		MUZ-GE35VAD	MUZ-GE42VA		MUZ-GE42VAD
	Power supply										Single phase, 230 V, 50 Hz
Capacity						Cooling	kW	3.5 (1.4 - 3.9)		3.5 (1.1 - 4.0)				4.2(0.9-4.8)
Rated frequency (Min.-Max.)					Heating			4.0 (1.4 - 4.8)		4.0 (1.6 - 5.3)				5.4(1.4-6.0)
Breaker Capacity							A			10
data	Power input	1 (Total)				Cooling	W	1,010		920				1,260
						Heating		1,030		990				1,540
	Running current		1			Cooling	A	4.7		4.4					5.8
Electrical
	Power factor 1 (Total)					Heating		93		94					96
							%
	(Total)					Heating		4.8		4.6					7.0
						Cooling		93		91					94
	Starting current		1 (Total)				A	4.8		4.6					7.0
Coefficient of performance						Cooling		3.47		3.80					3.33
(COP) 1 (Total)						Heating		3.88		4.04					3.51
		Model						KNB092FFAHC			KNB092FNDHC			SNB130FGBHT
		Output					W			650					900
Compressor		Current		1		Cooling	A	4.10		3.76					5.19
						Heating		4.30		4.06					6.38
		Refrigeration oil					L			0.32 (NEO22)				0.45 (NEO22)
		(Model)
Fan motor		Model								RC0J50-DB				RC0J50-EA
		Current		1		Cooling	A	0.31		0.35					0.32
						Heating		0.27				0.31
Dimensions W × H × D							mm			800 × 550 × 285
Weight							kg	30		33					36
	Dehumidification					Cooling	L/h	0.8		0.9					1.4
		Cooling				High						–
						Med.		1,956				1,872
	Air flow 1					Low	m3/h	1,806		1,776				1,086
		Heating				High		2,130				2,016
remarks						Med.		1,956				1,776
						Low		1,476				1,386
	Sound level	1				Heating	dB(A)			48					51
						Cooling				47					50
Special
						High						–
		Cooling				Med.		800				810
	Fan speed					Low	rpm	740		770					490
		Heating				High				870
						Med.		800				770
						Low				610
	Fan speed regulator											3
	Refrigerant filling capacity						kg	0.80				1.15
	(R410A)
NOTE: Test conditions are based on AS/NZS 3823.1.1.
	Cooling: Indoor			Dry-bulb temperature 27°C					Wet-bulb temperature				19°C
		Outdoor Dry-bulb temperature 35°C							Wet-bulb temperature				(24°C)
	Heating: Indoor			Dry-bulb temperature 20°C					Wet-bulb temperature				15.5°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.

OBH532E	7

Outdoor model

MUZ-GE50VA

MUZ-GE50VA2

MUZ-GE50VAD

Power supply

Single phase, 230 V, 50 Hz

Capacity

Cooling

kW

5.0 (1.4 - 5.4)

4.8 (1.4 - 5.4)

Rated frequency (Min.-Max.)

Heating

5.8 (1.4 - 7.2)

Breaker Capacity

A

16

data

Power input

1 (Total)

Cooling

W

1,640

1,480

Heating

1,650

Running current

1

Cooling

A

7.4

6.8

Electrical

Power factor 1 (Total)

Heating

96

%

(Total)

Heating

7.4

Cooling

96

94

Starting current

1 (Total)

A

7.4

Coefficient of performance

Cooling

3.05

3.24

(COP) 1 (Total)

Heating

3.52

Model

SNB130FGBHT

Output

W

900

Compressor

Current

1

Cooling

A

6.69

6.09

Heating

6.72

Refrigeration oil

L

0.45 (NEO22)

(Model)

Fan motor

Model

RC0J60-AA

Current

1

Cooling

A

0.32

Heating

0.32

Dimensions W × H × D

mm

840 × 850 × 330

Weight

kg

54

Dehumidification

Cooling

L/h

1.8

1.6

Cooling

High

–

Med.

2,940

Air flow 1

Low

m3/h

1,740

Heating

High

–

remarks

Med.

2,940

Low

2,142

Sound level

1

Heating

dB(A)

56

Cooling

54

Special

High

–

Cooling

Med.

780

Fan speed

Low

rpm

480

Heating

High

–

Med.

780

Low

580

Fan speed regulator

2

Refrigerant filling capacity

kg

1.55

(R410A)

NOTE: Test conditions are based on AS/NZS 3823.1.1.

Cooling: Indoor

Dry-bulb temperature 27°C

Wet-bulb temperature

19°C

Outdoor Dry-bulb temperature 35°C

Wet-bulb temperature

(24°C)

Heating: Indoor

Dry-bulb temperature 20°C

Wet-bulb temperature

15.5°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.

OBH532E	8

Outdoor model

Power supply

	Capacity							Cooling	kW
	Rated frequency (Min.-Max.)
								Heating
	Breaker Capacity								A
	data	Power input			1 (Total)			Cooling	W
								Heating
		Running current				1		Cooling	A
	Electrical
		Power factor			1 (Total)			Heating
									%
		(Total)						Heating
								Cooling
		Starting current
						1 (Total)			A
	Coefficient of performance							Cooling
	(COP) 1 (Total)							Heating
				Model
				Output					W
	Compressor			Current			1	Cooling	A
								Heating
				Refrigeration				oil	L
				(Model)
	Fan motor			Model
				Current			1	Cooling	A
								Heating
	Dimensions W ×			H × D					mm
	Weight								kg
		Dehumidification						Cooling	L/h
					Cooling			High
								Med.
		Air flow 1						Low	m3/h
					Heating			High
	remarks							Med.
								Low
		Sound level			1			Heating	dB(A)
								Cooling
	Special							High
					Cooling			Med.
		Fan speed						Low	rpm
					Heating			High
								Med.
		Fan speed		regulator				Low
		Refrigerant filling capacity							kg
		(R410A)

MUZ-GE60VA MUZ-GE60VAD MUZ-GE71VA MUZ-GE71VAD MUZ-GE80VA MUZ-GE80VA2 MUZ-GE80VAD

Single phase, 230 V, 50 Hz

6.0 (1.5 - 7.5)			7.1 (2.4- 8.7)				8.0 (2.4 - 9.2)		7.8 (2.4 - 9.2)
6.8 (2.0 - 9.3)			8.1 (2.2 - 9.9)				9.0 (2.2 - 11.1)
				20
	1,760			2,130			2,560		2,460
	1,770			2,110			2,540		2,550
	7.8			9.4			11.3		10.8
	7.8			9.5					11.2
	98			99			98		99
	98			97					99
	7.8			9.5			11.3		11.2
3.40		3.41		3.33			3.12		3.17
	3.84		3.83		3.84		3.54		3.53
SNB130FGBMT						SNB172FEKMT
	900					1,200
6.62		6.44	8.02		8.06		9.89		9.39		9.43
6.37		6.34	8.13		8.17		9.83				9.87
0.35 (FV50S)							0.4 (FV50S)
					RC0J60-BC
0.84		0.93		0.83					0.86
	0.93					0.82
				840 × 880 × 330
	50					53
	1.9			2.2			2.9		2.7
	3,492					3,426
	3,066					3,006
	1,692					1,512
	2,952					2,892
	2,952					2,892
	2,226					2,280
				55
				55
				950
				840
	480					450
				810
				810
	620					650
				3
	1.55					1.90

NOTE: Test conditions are based on AS/NZS 3823.1.1.
Cooling: Indoor	Dry-bulb temperature 27°C	Wet-bulb temperature	19°C
Outdoor	Dry-bulb temperature 35°C	Wet-bulb temperature	(24°C)
Heating: Indoor	Dry-bulb temperature 20°C	Wet-bulb temperature	15.5°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.

OBH532E	9

Specifications and rated conditions of main electric parts

Item

Model

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

MUZ-

GE25VA

GE25VAD

GE33VA

GE35VA

GE35VA2

GE35VAD

GE42VA

GE42VAD

GE50VA

GE50VA2

GE50VAD

Smoothing

(C62, C63)

600 μF/620 μF 420 V

—

capacitor

(C61)

—

600 μF/620 μF 420 V

Diode module

(DB61)

15 A 600 V

25 A 600 V

(DB65)

25 A 600 V

(F62)

—

Fuse

(F61)

T20AL250V

(F701, F801, F901)

T3.15AL250V

(F601,F880, F901)

—

Intelligent

(IC932)

—

power module /

(IPM)

15 A 600 V

20 A 600 V

Power module

1.

Expansion valve

(LEV)

12 VDC

coil

Reactor

(L61)

18 mH

23 mH

(L)

—

Power factor

(PFC)

—

controller

Current-limiting

(PTC64, PTC65)

33 Ω

PTC thermistor

Terminal block

(TB1, TB2)

3 P

(X63)

3 A 250 V

Relay

(X64)

20 A 250 V

(X601)

—

(X602)

—

R.V.coil

(21S4)

220 - 240 VAC

IGBT

(TR821)

30 A 600 V

1.

Intelligent power module: MUZ-GE25VA - A1 , MUZ-GE35/50VA

Power module: Other models

Specifications and rated conditions of main electric parts

Item

Model

MUZ-GE60VA

MUZ-GE60VAD

MUZ-GE71VA

MUZ-GE71VAD

MUZ-GE80VA

MUZ-GE80VA2

MUZ-GE80VAD

Smoothing

(C61, C62, C63)

—

capacitor

(CB1, CB2, CB3)

560 μF 450 V

Diode module

(DB61)

—

(DB65)

—

(F62)

T2.0AL250V

—

T2.0AL250V

—

T2.0AL250V

—

Fuse

(F61)

—

(F701, F801, F901)

—

(F601,F880, F901)

T3.15AL250V

Intelligent power

(IC932)

5A 600 V

module

(IPM)

20 A 600 V

—

20 A 600 V

—

20 A 600 V

—

IGBT module

(IC700)

—

20 A 600 V

—

20 A 600 V

—

20 A 600 V

Expansion valve

(LEV)

12 VDC

coil

Reactor

(L61)

—

(L)

340 μH

Power factor

(PFC)

20 A 600 V

—

20 A 600 V

—

20 A 600 V

—

controller

(IC820)

—

20 A 600 V

—

20 A 600 V

—

20 A 600 V

Current-limiting

(PTC64, PTC65)

33 Ω

PTC thermistor

Terminal block

(TB1, TB2)

3 P

(X63)

—

Relay

(X64)

20 A 250 V

(X601)

3 A 250V

(X602)

3 A 250V

R.V.coil

(21S4)

220 - 240 VAC

IGBT

(TR821)

—

OBH532E	10

4 NOISE CRITERIA CURVES

MUZ-GE25VA

MUZ-GE25VAD FUNCTION SPL(dB(A)) LINE

				COOLING		46
				HEATING		48
	90
Pa	80
20μ
0 dB =	70							NC-70
LEVEL,	60							NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
					NC-10			NC-20
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

MUZ-GE35VA2
MUZ-GE35VAD	FUNCTION	SPL(dB(A)) LINE

				COOLING		47
				HEATING		48
	90
Pa	80
20μ
0 dB =	70							NC-70
LEVEL,	60							NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
					NC-10			NC-20
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

MUZ-GE33VA

MUZ-GE35VA
	FUNCTION SPL(dB(A)) LINE

				COOLING		47
				HEATING		48
	90
Pa	80
20μ
0 dB =	70							NC-70
LEVEL,	60							NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
					NC-10			NC-20
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

	MUZ-GE42VA	FUNCTION	SPL(dB(A)) LINE
	MUZ-GE42VAD
		COOLING	50
		HEATING	51

	90
Pa	80
0dB = 20 μ	70							NC-70
LEVEL,	60							NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
					NC-10			NC-20
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

OBH532E	11

MUZ-GE50VA

MUZ-GE50VA2
	FUNCTION	SPL(dB(A))	LINE
MUZ-GE50VAD
	COOLING	54
	HEATING	56

	90
Pa	80
20μ
0 dB =	70							NC-70
LEVEL,	60							NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
					NC-10			NC-20
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

MUZ-GE71VA

MUZ-GE71VAD FUNCTION	SPL(dB(A)) LINE
COOLING	55
HEATING	55

	90
Pa	80
20μ
=
0 dB	70							NC-70
LEVEL,	60
								NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
								NC-20
					NC-10
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

MUZ-GE60VA

MUZ-GE60VAD	FUNCTION	SPL(dB(A)) LINE
	COOLING	55
	HEATING	55

	90
Pa	80
20μ
=
0 dB	70							NC-70
LEVEL,	60
								NC-60
PRESSURE
	50
								NC-50
SOUND	40
								NC-40
BAND	30
								NC-30
OCTAVE
	20
								NC-20
					NC-10
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

MUZ-GE80VA

MUZ-GE80VA2
	FUNCTION	SPL(dB(A))	LINE
MUZ-GE80VAD
	COOLING	55
	HEATING	55

	90
Pa	80
20μ
=
0 dB	70								NC-70
LEVEL,	60
									NC-60
BAND SOUND PRESSURE					OCTAVE BAND SOUND
	50					40
									NC-50
	40					30
									NC-40
	30					20
									NC-30
OCTAVE
	20					10	63	125	25
									NC-20
						NC-10			BAND
	10	125	250	500		1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

Test conditions
Cooling: Dry-bulb temperature 35°C	Wet-bulb temperature	(24°C)
Heating: Dry-bulb temperature 7°C	Wet-bulb temperature	6°C

OUTDOOR UNIT

1 m MICROPHONE

OBH532E	12

5 OUTLINES AND DIMENSIONS

MUZ-GE25VA MUZ-GE25VAD MUZ-GE33VA

MUZ-GE35VA MUZ-GE35VA2 MUZ-GE35VAD MUZ-GE42VA

REQUIRED SPACE

Unit: mm

MUZ-GE42VAD

Basically open 100 mm or more without any obstruction in front and on both sides of the unit.

	400	Drain hole ø42
	Air in

100	mm
	or
	more

ormore mm 100

344.5

285

Air

44 in

Bolt pitch for installation 304~325

ormore mm 200

350	mm
	or
	more

			40	17.5					Open two sides of left,
	2 holes 10 X 21								right, or rear side.
	22.3	Air out				23		Service panel
	Handle							Liquid refrigerant pipe joint
								Refrigerant pipe (flared) ø6.35
550								35	43
280	10				164.5			Gas refrigerant pipe joint
								Refrigerant pipe (flared) ø9.52
		150		69		99.5		170.5
		302.5					Service port
		500 Bolt pitch for installation
		800
MUZ-GE50VA MUZ-GE50VA2 MUZ-GE50VAD									Open as a rule
									500 mm or more if
									the front and both
						REQUIRED SPACE			sides are open
		515
	66	299	Drain holes ø33						100 mm or more
		Air in							200 mm or more if
			40
	51 34								there are obstacles
									to both sides
330	Air in			360	100		mm
							or	more

850

430

170	Air out 500	4 holes 10 × 21
	840	80
	121

Open as a rule

500 mm or more if the back, both sides and top are open

155

90

350	mm
	or
	more

Service panel

Liquid refrigerant pipe joint Refrigerant pipe (flared) ø6.35

30° 35°

Gas refrigerant pipe joint Refrigerant pipe

198 (flared) ø12.7

OBH532E	13

MUZ-GE60VA MUZ-GE60VAD MUZ-GE71VA MUZ-GE71VAD MUZ-GE80VA MUZ-GE80VA2 MUZ-GE80VAD

Unit: mm

REQUIRED SPACE

500 mm or more

417.5

Air in

330

50

Air out

175 500

Drain hole	42
40

	100	mm
		or
360		more

2-holes 1021

500 mm or more

100 mm or more

350	mm
	or
	more

880

452

840

81

109

164.5

99.5

Service panel

Liquid refrigerant pipe joint Refrigerant pipe

(flared) Ø 6.35 (MUZ-GE60)

Ø 9.52 (MUZ-GE71/80)

35

44

Gas refrigerant

195pipe joint Refrigerant pipe

(flared) Ø 15.88

OBH532E	14

6 WIRING DIAGRAM

MUZ-GE25VA - A1 MUZ-GE35VA

OBH532E	15

MUZ-GE33VA

OBH532E	16

MUZ-GE25VA - A2 MUZ-GE35VA2

OBH532E	17

MUZ-GE25VAD MUZ-GE35VAD

OBH532E	18

MUZ-GE42VA

OBH532E	19

MUZ-GE42VAD

OBH532E	20

MUZ-GE50VA

OBH532E	21

MUZ-GE50VA2

OBH532E	22

MUZ-GE50VAD

OBH532E	23

MUZ-GE60VA MUZ-GE71VA MUZ-GE80VA

OBH532E	24

MUZ-GE80VA2

OBH532E	25

MUZ-GE60VAD MUZ-GE71VAD MUZ-GE80VAD

OBH532E	26

7 REFRIGERANT SYSTEM DIAGRAM

MUZ-GE25VA MUZ-GE25VAD MUZ-GE33VA MUZ-GE35VA

Unit: mm

Refrigerant pipe

ø9.52

4-way valve

(with heat insulator)

Muffler

Outdoor heat

Stop valve

exchanger

temperature

(with service port)

Muffler

Outdoor

thermistor

Flared connection

Discharge

heat

RT68

temperature

exchanger

thermistor

RT62

Compressor

Ambient

temperature

thermistor

Defrost

RT65

thermistor

RT61

Strainer

Flared connection

#100

Capillary tube

LEV

R.V. coil

ø3.0×ø2.0×240

heating ON

Stop valve

cooling OFF

Refrigerant pipe

ø6.35 (with strainar)

Refrigerant flow in cooling

(with heat insulator)

Refrigerant flow in heating

MUZ-GE35VA2 MUZ-GE35VAD MUZ-GE42VA MUZ-GE42VAD

Refrigerant pipe ø9.52	4-way valve
(with heat insulator)
	Muffler				Outdoor heat
	Stop valve				exchanger
					temperature
	(with service port)
Flared connection			Muffler	Outdoor	thermistor
	Discharge			heat	RT68
	temperature			exchanger
	thermistor
	RT62		Compressor		Ambient
					temperature
					thermistor
			Defrost		RT65
			thermistor
			RT61
			Capillary tube
			ø3.0×ø1.8×600(×2)
				Strainer
Flared connection		LEV		#100
	Capillary tube
				R.V. coil
	ø3.0×ø2.0×240
				heating ON
	Stop valve			cooling OFF
Refrigerant pipe ø6.35	(with strainar)			Refrigerant flow in cooling
(with heat insulator)				Refrigerant flow in heating

OBH532E	27

MUZ-GE50VA MUZ-GE50VA2 MUZ-GE50VAD				Unit: mm
Refrigerant pipe ø12.7		Muffler
	4-way valve	#100
(with heat insulator)
	Stop valve
Flared connection	(with service port)	Discharge	Outdoor
			heat	Ambient
		temperature	exchanger	temperature
		thermistor	Defrost	thermistor
		RT62	thermistor	RT65
			RT61

		Compressor	Outdoor heat
			exchanger
			temperature
			thermistor
	Flared connection		RT68
		LEV Strainer
	Receiver		R.V. coil
		#100
			heating ON
	Stop valve	Capillary tube	cooling OFF
	Refrigerant pipe ø6.35 (with strainar)	ø3.6×ø2.4×50	Refrigerant flow in cooling
	(with heat insulator)		Refrigerant flow in heating

MUZ-GE60VA MUZ-GE60VAD

	Refrigerant pipe ø15.88		Muffler
		4-way valve	#100
	(with heat insulator)

Stop valve
(with service port)			Outdoor
Flared connection	Discharge		heat	Ambient
	temperature	Defrost	exchanger	temperature
	thermistor			thermistor
	RT62	thermistor		RT65
		RT61
	Compressor		Outdoor heat
			exchanger
			temperature
			thermistor
Flared connection			RT68
	LEV	Strainer
Strainer			R.V. coil
#100		#100
			heating ON
Stop valve	Capillary tube		cooling OFF
Refrigerant pipe ø6.35	ø4.0×ø2.4×100	Refrigerant flow in cooling
(with heat insulator)		Refrigerant flow in heating

OBH532E	28

MUZ-GE71VA MUZ-GE71VAD

MUZ-GE80VA MUZ-GE80VA2 MUZ-GE80VAD

Unit: mm

	Refrigerant pipe ø15.88		Muffler
		4-way valve	#100
	(with heat insulator)

Stop valve
(with service port)			Outdoor
Flared connection	Discharge		heat	Ambient
	temperature	Defrost	exchanger	temperature
	thermistor			thermistor
	RT62	thermistor		RT65
		RT61
	Compressor		Outdoor heat
			exchanger
			temperature
			thermistor
Flared connection			RT68
	LEV	Strainer
Strainer			R.V. coil
#100		#100
			heating ON
Stop valve	Capillary tube		cooling OFF
Refrigerant pipe ø9.52	ø4.0×ø2.4×100	Refrigerant flow in cooling
(with heat insulator)		Refrigerant flow in heating

MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE

			Refrigerant piping: m		Piping size O.D: mm
			Max. Length	Max. Height difference
			A	B	Gas	Liquid
MUZ-GE25VA
MUZ-GE25VAD
MUZ-GE33VA
MUZ-GE35VA		20		12	9.52
MUZ-GE35VA2
MUZ-GE35VAD
MUZ-GE42VA						6.35
MUZ-GE42VAD
MUZ-GE50VA
MUZ-GE50VA2					12.7
MUZ-GE50VAD
MUZ-GE60VA
MUZ-GE60VAD		30		15
MUZ-GE71VA
MUZ-GE71VAD					15.88	9.52
MUZ-GE80VA
MUZ-GE80VA2
MUZ-GE80VAD
		Indoor
		unit

Max. Height difference B

Max. Length A

Outdoor unit

OBH532E	29