Mitsubishi Electric Mr. Slim MUZ-D30NA Manuale utente

SERVICE MANUAL

CONTENTS

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

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

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

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

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

6. REFRIGERANT SYSTEM DIAGRAM ··············11

7. DATA································································ 13

8. ACTUATOR CONTROL··································· 20

9. SERVICE FUNCTIONS ··································· 21

10. TROUBLESHOOTING····································· 22

11. DISASSEMBLY INSTRUCTIONS···················· 41

Models

MUZ-D30NA /- 1/- U1 /- U2

MUZ-D36NA /- 1/- U1 /- U2

MUY-D30NA /- 1

MUY-D36NA /- 1

SPLIT-TYPE AIR CONDITIONERS

OUTDOOR UNIT

Indoor unit service manual

MSZ-D•NA Series (OBH501)

MSY-D•NA Series (OBH501)

NOTE:

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

HFC

utilized

R410A

No. OBH502

REVISED EDITION-B

PARTS CATALOG (OBB502)

Revision B:

• MUZ-D•NA- 1/-U2 and MUY-D•NA- 1have

been corrected.

Please void OBH502 REVISED EDITION-A.

Revision A:

• 3. SPECIFICATION has been corrected.

Revision B:

• MUZ-D•NA- 1/-U2 and MUY-D•NA- 1have been corrected.

MUZ-D30NA MUZ-D30NA- U1

MUZ-D36NA MUZ-D36NA- U1

MUY-D30NA

MUY-D36NA

1. New model

MUZ-D30NA →MUZ-D30NA- 1MUZ-D30NA- U1 →MUZ-D30NA- U2

MUZ-D36NA →MUZ-D36NA- 1MUZ-D36NA- U1 →MUZ-D36NA- U2

MUY-D30NA →MUY-D30NA- 1

MUY-D36NA →MUY-D36NA- 1

1. Wiring diagram has been changed.

2. Fan motor has been changed.

PART NAMES AND FUNCTIONS

MUZ-D30NA MUZ-D36NA MUY-D30NA MUY-D36NA

Piping

Air outlet

Drain hose

Drain outlet

Air inlet

(back and side)

1TECHNICAL CHANGES

Item Model MSZ-D30NA MSY-D30NA MSZ-D36NA MSY-D36NA

Capacity

Rated (Minimum ~

Maximum)

Cooling 1

Btu/h

30,700

(9,800 ~ 30,700)

30,700

(9,800 ~ 30,700)

32,000/33,200

(9,800 ~ 32,000) /

(9,800 ~ 33,200)

33,200/34,600

(9,800 ~ 33,200) /

(9,800 ~ 34,600)

Heating 47 132,600

(8,700 ~ 34,000) —35,200

(8,700 ~ 36,000) —

Capacity Heating 17 2 Btu/h 20,800 — 22,800 —

Power consumption

Rated (Minimum ~

Maximum)

(TOTAL)

Cooling 1

3,850

(620 ~ 3,850)

3,380

(620 ~ 3,380)

4,140/4,360

(620 ~ 4,140) /

(620 ~ 4,360)

210/4,240

(620 ~ 4,210) /

(620 ~ 4,240)

Heating 47 1 3,360

(520 ~ 3,600) —3,840

(520 ~ 4,100) —

Power consumption Heating 17 2 W 2,620 — 3,000 —

EER 1 [SEER] 3 Cooling 8.0 [14.5] 9.1 [16.0] 7.7/7.6

[14.5]

7.9/8.2

[15.1]

HSPF IV(V) 4 Heating 8.2 (6.7) — 8.2 (6.7) —

COP Heating 1 2.84 — 2.69 —

Outdoor unit model MUZ-D30NA MUY-D30NA MUZ-D36NA MUY-D36NA

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

Max. fuse size (time delay) A 25

Min. circuit ampacity A 21

Fan motor F.L.A 0.93

Compressor

Model TNB220FMCHT

R.L.A 16

L.R.A 20

Refrigeration oil cc 870 (NEO22)

Refrigerant control Linear expansion valve

Sound level 1 Cooling dB(A) 55 55 56 56

Heating 57 — 57 —

Defrost method Reverse cycle — Reverse cycle —

Dimensions

in.

33-1/16

D13

H 33-7/16

Weight Ib. 141 126 141 126

External ﬁnish Munsell 3Y 7.8/1.1

Remote controller Wireless type

Control voltage (by built-in transformer) 12 - 24 VDC

Refrigerant piping Not supplied

Refrigerant pipe size

(Min. wall thickness)

Liquid in. 3/8 (0.0315)

Gas 5/8 (0.0394)

Connection method Indoor Flared

Outdoor

Between the indoor

& outdoor units

Height

difference ft. 50

Piping length 100

Refrigerant charge (R410A) 4 lb. 10 oz. 4 lb. 4 lb. 10 oz. 4 lb.

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

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

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

2: (Heating) — Indoor: 70˚FDB, 60˚FWB, Outdoor: 17˚FDB, 15˚FWB Maximum frequency

3SPECIFICATION

Test condition

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

Dry bulb Wet bulb Dry bulb Wet bulb

SEER

(Cooling)

"A" Cooling Steady State

at rated compressor Speed 80 67 95 (75)

"B-2" Cooling Steady State

at rated compressor Speed 80 67 82 (65)

"B-1" Cooling Steady State

at minimum compressor Speed 80 67 82 (65)

Low ambient Cooling Steady State

at minimum compressor Speed 80 67 67 (53.5)

Intermediate Cooling Steady State

at Intermediate compressor Speed 5 80 67 87 (69)

HSPF

(Heating)

Standard Rating-Heating

at rated compressor Speed 70 60 47 43

Low temperature Heating

at rated compressor Speed 70 60 17 15

Max temperature Heating

at minimum compressor Speed 70 60 62 56.5

High temperature Heating

at minimum compressor Speed 70 60 47 43

Frost Accumulation

at rated compressor Speed 70 60 35 33

Frost Accumulation

at Intermediate compressor Speed 570 60 35 33

5: At Intermediate compressor Speed

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

3, 4

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

(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 14 13

Open as a rule

20 inch or more if

the front and both

sides are open

4 inch or more /

8 inch or more if

there are obstacles

to both sides

Open as a rule

20 inch or more if the back,

both sides and top are open

14 in. or more

4 in. or more

REQUIRED SPACE

Unit: inch

MUZ-D30NA MUZ-D36NA MUY-D30NA MUY-D36NA

4OUTLINES AND DIMENSIONS

MUZ-D30NA MUZ-D30NA- U1 MUZ-D36NA MUZ-D36NA- U1

5WIRING DIAGRAM

MUZ-D30NA- 1MUZ-D30NA- U2 MUZ-D36NA- 1MUZ-D36NA- U2

MUY-D30NA MUY-D36NA

MUY-D30NA- 1MUY-D36NA- 1

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