Mitsubishi Electric MUZ-GS30NA Manual de usuario

Models

MUZ-GS30NA -U1 MUZ-GS30NAH -U1

MUZ-GS36NA -U1 MUZ-GS36NAH -U1

MUY-GS30NA -U1

MUY-GS36NA -U1

PARTS CATALOG (OBB875)

CONTENTS

1. TECHNICAL CHANGES ······························2

2. PART NAMES AND FUNCTIONS··················3

3. SPECIFICATION ········································4

4. OUTLINES AND DIMENSIONS·····················6

5. WIRING DIAGRAM·····································7

6. REFRIGERANT SYSTEM DIAGRAM ·············9

7. DATA······················································ 11

8. ACTUATOR CONTROL ····························· 18

9. SERVICE FUNCTIONS······························ 19

10. TROUBLESHOOTING ······························· 20

11. DISASSEMBLY INSTRUCTIONS················· 40

HFC

utilized

R410A

OUTDOOR UNIT

SERVICE MANUAL

No. OBH875

REVISED EDITION-A

Indoor unit service manual

MSZ-GS•NA, MSY-GS•NA Series (OBH874)

OBH875 is void.

Revision A:

• A warning when opening or closing the

valve has been added.

1TECHNICAL CHANGES

Use the specied 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.

MUZ-GS30NA MUZ-GS30NAH

MUZ-GS36NA MUZ-GS36NAH

MUY-GS30NA

MUY-GS36NA

1. New model

Revision A:

• A warning when opening or closing the valve has been added.

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 pull the power plug.

Discharge the capacitor before the work involving the electric parts.

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.

WARNING

• When the refrigeration circuit has a leak, do not execute pump down with the

compressor.

• When pumping down the refrigerant, stop the compressor before disconnecting the

refrigerant pipes. The compressor may burst if air etc. get into it.

• When opening or closing the valve below freezing temperatures, refrigerant may

spurt out from the gap between the valve stem and the valve body, resulting in injuries.

OBH875A

MUZ-GS30NA MUZ-GS30NAH MUZ-GS36NA MUZ-GS36NAH MUY-GS30NA MUY-GS36NA

PART NAMES AND FUNCTIONS

Air outlet

Drain outlet

Piping

Drain hose

Air inlet

(back and side)

OBH875A

3SPECIFICATION

Outdoor unit model

MUZ-GS30NA

MUZ-GS30NAH

MUY-GS30NA

MUZ-GS36NA

MUZ-GS36NAH

MUY-GS36NA

Capacity

Rated (Minimum~Maximum)

Cooling *1 Btu/h 30,700

(10,300 ~ 30,700)

32,000/33,200

(10,300 ~ 32,000)/(10,300 ~ 33,200)

Heating 47 *1,3 Btu/h 32,600

(9,800 ~ 34,000)

35,200

(9,800 ~ 36,000)

Capacity

Rated (Maximum) Heating 17 *2,3 Btu/h 20,000 (20,800) 21,600 (22,800)

Power consumption

Rated (Minimum~Maximum)

Cooling *1 W3,320

(650 ~ 3,320)

3,630/3,770

(650 ~ 3,630)/(650 ~ 3,770)

Heating 47 *1,3 W3,340

(590 ~ 3,580)

3,740

(590 ~ 4,000)

Power consumption

Rated (Maximum) Heating 17 *2,3 W 2,500 (2,600) 2,770 (2,920)

EER *1 [SEER] *4 Cooling 9.2 [18.1] 8.8 [16.2]

HSPF IV *5 Heating *3 NA: 9.6 NA: 10

NAH: 9.4 NAH: 9.8

COP Heating *1,3 2.86 2.76

Power supply V , phase , Hz 208/230, 1 , 60

Max. fuse size (time delay) A 20

Min. circuit ampacity A 19

Fan motor F.L.A A 0.93

Compressor

Model SNB220FQAM1T

R.L.A A 13.8

L.R.A A 17.3

Refrigeration oil

 oz. (L)/(Model)

15.6 (0.46)/(FV50S)

Refrigerant control Linear expansion valve

Sound level *1Cooling dB(A) 55 56

Heating *3 dB(A) 57

Defrost method Reverse cycle

Dimensions

W in. 33-1/16

D in. 13

H in. 34-5/8

Weight Ib. NA: 121

NAH: 122

External nish Munsell 3Y 7.8/1.1

Remote controller Wireless type

Control voltage (by built-in transformer)

V DC 12 - 24

Refrigerant piping Not supplied

Refrigerant pipe size

(Min. wall thickness)

Liquid in. 1/4 (0.0315)

Gas in. 5/8 (0.0394)

Connection meth-

Indoor Flared

Outdoor Flared

Between the indoor

& outdoor units

Height di󰀨erence

ft. 50

Piping length ft. 100

Refrigerant charge (R410A) 4 lb.

NOTE: Test conditions are based on AHRI 210/240.

*1: Rating conditions (Cooling) — Indoor: 80˚FDB, 67˚FWB, Outdoor: 95˚FDB, (75˚FWB)

(Heating) — Indoor: 70˚FDB, 60˚FWB, Outdoor: 47˚FDB, 43˚FWB

*2: Rating conditions (Heating) — Indoor: 70˚FDB, 60˚FWB, Outdoor: 17˚FDB, 15˚FWB

*3: Only MUZ

OBH875A

Test condition

AHRI

210/240

Mode Test Indoor air condition (°F) Outdoor air condition (°F)

Dry bulb Wet bulb Dry bulb Wet bulb

SEER

(Cooling)

"A-Full" Cooling Steady State

at rated compressor speed 80 67 95 (75)

"B-Full" Cooling Steady State

at rated compressor speed 80 67 82 (65)

"B-Low" Cooling Steady State

at minimum compressor speed 80 67 82 (65)

"F-Low" Cooling Steady State

at minimum compressor speed 80 67 67 (53.5)

"E-Int" Cooling Steady State

at intermediate compressor speed *6 80 67 87 (69)

HSPF

(Heating)

"H1-Nom" Heating Steady State

at rated compressor speed 70 60 47 43

"H3-Full" Heating

at rated compressor speed 70 60 17 15

"H0-Low" Heating Steady State

at minimum compressor speed 70 60 62 56.5

"H1-Low" Heating Steady State

at minimum compressor speed 70 60 47 43

"H2-Int" Heating

at intermediate compressor speed *6 70 60 35 33

*6: At intermediate compressor speed

= ("Rated compressor speed" - "minimum compressor speed") / 3 + "minimum compressor speed".

*4, *5

(2) OPERATION

Mode Condition

Intake air temperature (°F)

Indoor Outdoor

DB WB DB WB

Cooling

Standard temperature 80 67 95 —

Maximum temperature 90 73 115 —

Minimum temperature 67 57 14 —

Maximum humidity 78 % —

Heating

Standard temperature 70 60 47 43

Maximum temperature 80 67 75 65

Minimum temperature 70 60 -4 -5

OPERATING RANGE

(1) POWER SUPPLY

Rated voltage Guaranteed voltage (V)

Outdoor unit

208/230 V

1 phase

60 Hz

Min. 187 208 230 Max. 253

OBH875A

OUTLINES AND DIMENSIONS

MUZ-GS30NA MUZ-GS30NAH MUZ-GS36NA MUZ-GS36NAH MUY-GS30NA MUY-GS36NA

Unit: inch

16-7/16

1-9/16

13-3/4

14-5/8

15-3/8

11/16

OVAL HOLES 2×3/8× 13/16

→

AIR IN

↓

AIR IN

↓AIR OUT

BOLT PITCH FOR

INSTALLATION

DRAIN HOLE ø1-21/32

34-5/8

17-25/32

5/16

6-7/8 19-11/16

33-1/16 3-3/16

HANDLE

3-29/32

6-1/2

7-11/16

19/32

GAS REFRIGERANT

PIPE JOINT

LIQUID

REFRIGERANT

PIPE JOINT

SERVICE PANEL

VALVE COVER

SERVICE PORT

4 in OR MORE.

BASICALLY OPEN

20 in OR MORE WITHOUT

ANY OBSTRUCTION

IN FRONT AND BOTH

SIDES OF THE UNIT.

14 in OR MORE.

20 in OR MORE.

OPEN TWO SIDES OF RIGHT

OR REAR SIDE.

4 in OR MORE.

FLARED ø15.88 (5/8”)

FLARED ø6.35 (1/4”)

REQUIRED SPACE

OBH875A

5WIRING DIAGRAM

MUZ-GS30NA MUZ-GS36NA

MUZ-GS30NAH MUZ-GS36NAH

OBH875A

MUY-GS30NA MUY-GS36NA

OBH875A

6REFRIGERANT SYSTEM DIAGRAM

MUZ-GS30NA MUZ-GS30NAH MUZ-GS36NA MUZ-GS36NAH MUY-GS30NA MUY-GS36NA

Outdoor

heat

exchanger

Flared connection

(Only GS30/36NAH)

Defrost

thermistor

RT61

Discharge

temperature

thermistor

RT62

Flared connection

Stop valve

Capillary tube

O.D. 0.157 ×

I.D. 0.094× 3-15/16

(ø4.0×ø2.4×100)

Refrigerant flow in cooling

Compressor

4-way valve

Refrigerant flow in heating (Only MUZ)

Refrigerant pipe

5/8

(with heat insulator)

Refrigerant pipe

1/4

(with heat insulator)

LEV

(Only MUZ)

R.V. coil

heating ON

cooling OFF

Muffler

Strainer

#100

Outdoor heat

exchanger

temperature

thermistor

RT68

Ambient

temperature

thermistor

RT65

Strainer

#100

Service port

(low pressure)

ACC

Service port

(high pressure)

Capillary tube

O.D. 0.157 ×

I.D. 0.094× 3-15/16

(ø4.0×ø2.4×100)

Strainer

#100

Unit: inch (mm)

OBH875A

Max. Length

Max. Height

difference

Indoor

unit

Outdoor unit

MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE

Model

Refrigerant piping: ft. Piping size O.D: in.

Max. Length

Max. Height di󰀨erence

B Gas Liquid

MUZ-GS30NA

MUZ-GS30NAH

MUZ-GS36NA

MUZ-GS36NAH

MUY-GS30NA

MUY-GS36NA

100 50 5/8 1/4

ADDITIONAL REFRIGERANT CHARGE (R410A: oz.)

NOTE: Refrigerant piping exceeding 25 ft. requires additional refrigerant charge according to the calculation.

Model Outdoor unit

precharged

Refrigerant piping length (one way): ft.

25 30 40 50 60 70 80 90 100

MUZ-GS30NA

MUZ-GS30NAH

MUZ-GS36NA

MUZ-GS36NAH

MUY-GS30NA

MUY-GS36NA

4 lb. 0 oz. 0 1.08 3.24 5.40 7.56 9.72 11.88 14.04 16.20

Calculation: X oz. = 1.08/5 oz./ft. × (Refrigerant piping length (ft.) - 25)

OBH875A

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