Mitsubishi Electric Mufz-kj09nahz-u1 Hyper Heating Heat Pump For Floor Mounted Indoor Unit User Manual

MUFZ-KJ09NAHZ-U1 Hyper Heating Heat Pump for Floor Mounted Indoor Unit

Product Information

Product Name: MUFZ-KJ Outdoor Unit

• Models: MUFZ-KJ09NAHZ, MUFZ-KJ12NAHZ, MUFZ-KJ15NAHZ,
  MUFZ-KJ18NAHZ
• Part Number: OBB753
• Revision: A

Contents:

• Service Manual (OBH753)
• Outdoor Unit Structural Parts, Electrical Parts, and Functional
  Parts

Outdoor Unit Structural Parts:

• Cabinet (Part No: U01 A01 232)
• Ice Guard (Part No: U01 A01 531)
• Grille (Part No: U01 A01 521)
• Propeller Fan (Part No: U01 A01 501)
• Outdoor Fan Motor (Part No: U01 A01 301)
• Base (Part No: U01 A01 290)
• Separator (Part No: U01 A01 293)
• Compressor Rubber Set (Part No: U01 A01 506)
• Compressor (Part No: U01 A02 900)
• Service Port (L) (Part No: U01 A01 641)
• Stop Valve (LIQ) (Part No: U01 A01 662)
• Stop Valve (GAS) (Part No: U01 A01 661)
• Back Panel (OUT) (Part No: U01 A01 233)
• Service Panel (Part No: U01 A01 245)
• Expansion Valve (Part No: U01 A01 640)
• Capillary Tube (Part No: U01 A01 936)
• Expansion Valve Coil (Part No: U01 A01 493)
• 4-Way Valve (Part No: U01 A01 961)
• R.V. Coil (Part No: U01 A01 490)
• Ambient Temperature Thermistor (Part No: U01 A02 308)
• Outdoor Heat Exchanger Temperature Thermistor (Part No: U01 A02
  307)
• Thermistor Set (Part No: U01 A01 306)
• Reactor (Part No: U01 A01 337)
• Terminal Block (Part No: U01 A01 374)
• Inverter P.C. Board (Part No: U01 A18 451)
• Service Port (H) (Part No: U01 A02 641)
• Condenser Wire Net (Part No: U01 A01 525)
• Condenser Net (Part No: U01 A01 523)
• Outdoor Heat Exchanger (Part No: U01 A01 630)
• Thermo Holder (Part No: U01 A01 079)
• Motor Support (Part No: U01 A01 515)
• Defrost Heater (Part No: U01 A01 526)
• Heater Protector (Part No: U01 A01 381)
• Capillary Tube (Part No: U01 A02 936)

Electrical Parts:

• Top Panel (Part No: E22 L87 297)
• Outdoor Heat Exchanger (Part No: E22 T44 630)
• Outdoor Fan Motor (Part No: E22 F76 301)
• Propeller Fan (Part No: E22 F28 501)
• Handle (Part No: E22 817 009)
• Cabinet (Part No: E22 L87 232)
• Fan Guard (Part No: E22 L87 521)
• Base (Part No: E22 H25 290)
• Compressor Rubber Set (Part No: E22 C34 506)
• Compressor (Part No: E22 89R 900)
• Stop Valve (LIQ) (Part No: E22 L87 662)
• Stop Valve (GAS) (Part No: E22 L87 661)
• Back Panel (OUT) (Part No: E22 L87 233)
• Service Panel (Part No: E22 L87 245)
• Valve Cover (Part No: E22 F28 650)
• Expansion Valve (Part No: E22 851 640)

Product Usage Instructions

1. The part quantity mentioned indicates the required number of
   pieces per unit.
2. The circled part numbers are not shown in the figure.

Revision A:
· Some descriptions have been modified.
OBB753 is void.

OUTDOOR UNIT
PARTS CATALOG
Models
MUFZ-KJ09NAHZ – U1 MUFZ-KJ12NAHZ – U1 MUFZ-KJ15NAHZ – U1 MUFZ-KJ18NAHZ – U1

No. OBB753
REVISED EDITION-A

MUFZ-KJ09NAHZ MUFZ-KJ12NAHZ

CONTENTS
1. SERVICE PARTS LIST ································ 2
SERVICE MANUAL (OBH753)

Revision A:
· Some descriptions have been modified.

1 SERVICE PARTS LIST
MUFZ-KJ09NAHZ MUFZ-KJ12NAHZ 1-1. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL
PARTS

32

31 30 29

28 27 26

33

34

25

24

19

23

18

22

1

17

16

21

20 2

3

15

4 5 6 7 8 9 10 11 12 13 CONDUIT CONDUIT 14 PLATE COVER

OBB753A

2

1-1. OUTDOOR UNIT STRUCTURAL PARTS AND FUNCTIONAL PARTS
1. The part quantity below indicates the required number of pieces per unit. 2. The circled No. indicates that the part is not shown in the figure.

MUFZ-KJ09NAHZ MUFZ-KJ12NAHZ

No. Part No.

Part Name

Symbol in Wiring Diagram

Remarks

1 U01 A01 232 CABINET

1

2 U01 A01 531 ICE GUARD

1

3 U01 A01 521 GRILLE (OUT)

1

4 U01 A01 501 PROPELLER FAN

1

5 U01 A01 301 OUTDOOR FAN MOTOR 6 U01 A01 290 BASE

MF

1

1

7 U01 A01 293 SEPARATOR

1

8 U01 A01 506 COMPRESSOR RUBBER SET

3

9 U01 A02 900 COMPRESSOR (SNB140FQUMT) MC

1

10 U01 A01 641 SERVICE PORT (L)

1

11 U01 A01 662 STOP VALVE (LIQ)

1

12 U01 A01 661 STOP VALVE (GAS)

1

13 U01 A01 233 BACK PANEL (OUT)

1

14 U01 A01 245 SERVICE PANEL

1

15 U01 A01 640 EXPANSION VALVE

1

16 U01 A01 936 CAPILLARY TUBE

4

17 U01 A01 493 EXPANSION VALVE COIL 18 U01 A01 961 4-WAY VALVE

LEV

1

1

19 U01 A01 490 R.V. COIL

21S4

1

20

U01

A02

308

AMBIENT TEMPERATURE THERMISTOR

RT65

1

21

U01

A02

307

OUTDOOR HEAT EXCHANGER TEMPERATURE THERMISTOR

RT68

1

22 U01 A01 306 THERMISTOR SET

RT61, RT62

1

23 U01 A01 337 REACTOR 24 U01 A01 374 TERMINAL BLOCK

L61

1

TB

1

U01 A18 451

1

25

INVERTER P.C. BOARD

U01 A19 451

26 U01 A02 641 SERVICE PORT (H)

1

27 U01 A01 525 CONDENSER WIRE NET

1

28 U01 A01 523 CONDENSER NET

1

29

U01

A01

630

OUTDOOR HEAT EXCHANGER

1

30 U01 A01 079 THERMO HOLDER

1

31 U01 A01 515 MOTOR SUPPORT

1

32 U01 A01 297 TOP PANEL 33 U01 A01 526 DEFROST HEATER

1

H

1

34 U01 A01 381 HEATER PROTECTOR 35 U01 A02 936 CAPILLARY TUBE

26H

1

1

1 1 1 1
1 RC0J55-
1 1 3 3 RUBBERS/SET 1 SNB140FQUMT 1 1 ø3/8 (ø9.52) 1 ø1/4 (ø6.35) 1 1 1 4 O.D. 0.118 × I.D. 0.079 × 8-9/32 (ø3.0 × ø2.0 × 210) 1 1 1
1

1

1

DEFROST, DISCHARGE

1

1 5P

Includes heat sink and RT64 1 1 1 1
1
1 1 1 1 Includes lead assembly 1 1 O.D. 0.157 × I.D. 0.094 × 9-7/16 (ø4.0 × ø2.4 × 240)

OBB753A

3

MUFZ-KJ15NAHZ MUFZ-KJ18NAHZ 1-2. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL
PARTS

29

28 27 26

1

2

3

31

30

4

5 6
7

25

24

23

22 20

19

21

18

17

CONDUIT

16

PLATE

CONDUIT COVER

8

9 10 11 12

13 14 15

OBB753A

4

1-2. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS
Part numbers that are circled are not shown in the illustration.

No. Part No.

Part Name

1 E22 L87 297 TOP PANEL

Symbol

Q’ty/unit

in Wiring

MUFZ-KJ

Diagram 15NAHZ 18NAHZ

1

1

Remarks

2 E22 T44 630 OUTDOOR HEAT EXCHANGER

1

3 E22 F76 301 OUTDOOR FAN MOTOR

MF

1

4 E22 F28 501 PROPELLER FAN

1

1
1 RC0J77-
1

5 E22 817 009 HANDLE

1

1

6 E22 L87 232 CABINET 7 E22 L87 521 FAN GUARD

1

1

1

1 Includes ice guard

8 E22 H25 290 BASE

1

1

9 E22 C34 506 COMPRESSOR RUBBER SET

3

3 3 RUBBERS/SET

10 E22 89R 900 COMPRESSOR (SNB172FQKMT)

MC

1

1 SNB172FQKMT

11 E22 L87 662 STOP VALVE (LIQ)

1

1 ø1/4 (ø6.35)

12 E22 L87 661 STOP VALVE (GAS)

1

1 ø1/2 (ø12.7)

13 E22 L87 233 BACK PANEL (OUT)

1

1

14 E22 L87 245 SERVICE PANEL

1

1

15 E22 F28 650 VALVE COVER

1

1

16 E22 851 640 EXPANSION VALVE

1

1

17 E22 F28 493 EXPANSION VALVE COIL

LEV

1

1

18 E22 F76 490 R.V. COIL

21S4

1

1

19 E22 A56 961 4-WAY VALVE

1

1

20 E22 E79 641 SERVICE PORT (H, L)

2

2

21

E22

J52

309

AMBIENT TEMPERATURE THERMISTOR

RT65

1

1

22 E22 F28 308 THERMISTOR SET

RT61,

RT62,

1

RT68

DEFROST, DISCHARGE, 1 OUTDOOR HEAT EXCHANGER
TEMPERATURE

23 E22 L87 374 TERMINAL BLOCK

24 E22 T16 374 TERMINAL BLOCK

25

E22 E22

X52 X53

451 451

INVERTER P.C. BOARD

26 E22 L87 523 CONDENSER NET

27 E22 F76 079 THERMO HOLDER

28 E22 F28 337 REACTOR

29 E22 J52 515 MOTOR SUPPORT

30 E22 J52 526 DEFROST HEATER

31 E22 J52 381 HEATER PROTECTOR

32 E27 250 382 FUSE

33 E27 001 241 FUSE HOLDER

34 E22 527 936 CAPILLARY TUBE

TB1

1

TB2

1

1

1

1

L

1

1

H

1

26H

1

F65, F66 2

2

1

1 3P 1 3P

1

Includes heat sink and RT64

1

1

1

1

1

1

2 T6.3AL250V

2

1

O.D. 0.157 × I.D. 0.094 × 3-15/16 (ø4.0 × ø2.4 × 100)

OBB753A

5

HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

© Copyright 2016 MITSUBISHI ELECTRIC CORPORATION Issued: Apr. 2022 No. OBB753 REVISED EDITION-A Published in Feb. 2016 No. OBB753 Made in Japan

Specifications are subject to change without notice.