Mitsubishi Electronics MXZ-4C36NAHZ, MXZ-5C42NAHZ, MXZ-8C48NAHZ, MXZ-8C48NA, PAC-MKA50BC User Manual

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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

PARTS CATALOG

August 2014

No. OCB573

HFC

utilized

R410A

[Model Name] <Outdoor unit>

MXZ-4C36NAHZ

MXZ-5C42NAHZ

MXZ-8C48NAHZ

MXZ-8C48NA

PAC-MKA50BC

PAC-MKA30BC

(Indispensable optional parts for MXZ-4C36/5C42/8C48NAHZ and MXZ-8C48NA)

[Service Ref.]

MXZ-4C36NAHZ MXZ-5C42NAHZ MXZ-8C48NAHZ MXZ-8C48NA

PAC-MKA50BC PAC-MKA30BC

CONTENTS

1. RoHS PARTS LIST

2. OPTIONAL PARTS

Note:

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

.............................................

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OUTDOOR UNIT: MXZ-4C36NAHZ

BRANCH BOX: PAC-MKA50BC

Model name indication

SERVICE MANUAL (OCH573)

OCB573

1-1. OUTDOOR UNIT STRUCTURAL PARTS MXZ-4C36NAHZ MXZ-5C42NAHZ MXZ-8C48NAHZ

RoHS PARTS LIST

3 4 5 7

RoHS PARTS LIST

OCB573

Q'ty/unit

No.

1 G R01 E02 631 ICE GUARD 2 2 2

2 G R01 E73 691 WIRE GRILLE 2 2 2

3 G R01 E23 668 FRONT PANEL 1 1 1

4 G R01 E53 686 BASE ASSY 1 1 1

5 G R01 E59 130 MOTOR SUPPORT 1 1 1

6 G T7W E05 617 CONDUIT PLATE 1 1 1

7 G T7W E20 668 SERVICE PANEL 1 1 1

8 G R01 E05 655 HANDLE (FRONT) 2 2 2

9 G R01 E35 658 COVER PANEL (FRONT) 1 1 1

10 G R01 E36 658 COVER PANEL (REAR) 1 1 1

11 G R01 E06 655 HANDLE (REAR) 2 2 2

12 G R01 E55 661 SIDE PANEL (R) 1 1 1

13 G R01 E10 698 REAR GUARD 1 1 1

14 G R01 E36 641 TOP PANEL 1 1 1

15 G R01 E30 662 SIDE PANEL (L) 1 1 1

Parts No. Parts Name

RoHS

Specication

MXZ-4C36NAHZ

MXZ-5C42NAHZ

Remarks

(Drawing No.)

MXZ-8C48NAHZ

Wiring

Diagram

Symbol

Recom-

mended

Q'ty

RoHS PARTS LIST

OCB573

1-1. OUTDOOR UNIT STRUCTURAL PARTS MXZ-8C48NA

3 4 5 7

4 5

RoHS PARTS LIST

OCB573

Q'ty/unit

No.

1 G R01 E02 631 ICE GUARD 2

2 G R01 E73 691 WIRE GRILLE 2

3 G R01 E23 668 FRONT PANEL 1

4 G R01 E53 686 BASE ASSY 1

5 G R01 E59 130 MOTOR SUPPORT 1

6 G T7W E05 617 CONDUIT PLATE 1

7 G T7W E20 668 SERVICE PANEL 1

8 G R01 E05 655 HANDLE (FRONT) 2

9 G R01 E35 658 COVER PANEL (FRONT) 1

10 G R01 E36 658 COVER PANEL (REAR) 1

11 G R01 E06 655 HANDLE (REAR) 2

12 G R01 E55 661 SIDE PANEL (R) 1

13 G R01 E10 698 REAR GUARD 1

14 G R01 E36 641 TOP PANEL 1

15 G R01 E30 662 SIDE PANEL (L) 1

Parts No. Parts Name

RoHS

Specication

(Drawing No.)

MXZ-8C48NA

Remarks

Wiring

Diagram

Symbol

Recom-

mended

Q'ty

RoHS PARTS LIST

OCB573

1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTS MXZ-4C36NAHZ MXZ-5C42NAHZ MXZ-8C48NAHZ

28 27

25 24

23 22 21

8 12

6 7

RoHS PARTS LIST

OCB573

Parts numbers that are circled are not shown in the figure.

Q'ty/unit

No.

1 2 G R01 E14 115 PROPELLER FAN 2 2 2 3 G R01 E09 097 NUT 2 2 2 4 G R01 A57 602 COMP FELT(TOP) 1 1 1 5 G R01 A70 602 COMP FELT(BODY) 1 1 1

6 G R01 E21 300 HEATER 1 1 1 BH 7 G R01 E28 413 CHARGE PLUG 1 1 1 8 G R01 E11 208 HIGH PRESSURE SENSOR ASSY 1 1 1 63HS 9 G T7W E04 410 STOP VALVE 3/8 1 1 1

10 G T7W E06 411 BALL VALVE 5/8 1 1 1

11 G T97 443 077 COMPRESSOR ANB33FJSMT 1 1 1

12 G R01 E73 440 ACCUMULATOR 1 1 1 13 G R01 E30 201 SHELL THERMISTOR Compressor 1 1 1 TH4 14 G R01 H97 202 THERMISTOR Hic Pipe 1 1 1 TH2 15 G R01 E00 426 CT ASSY 1 1 1 16 G R01 E12 413 CHARGE PLUG 1 1 1 17 G R01 E15 490 OIL SEPARATOR 1 1 1 18 G R01 H99 202 THERMISTOR W 19 G T7W E70 242 SOLENOID COIL 1 1 1 21S4 20 G R01 E40 403 4-WAY VALVE 1 1 1 21 G R01 E03 209 LOW PRESSURE SENSOR 1 1 1 63LS 22 G T7W E07 208 HIGH PRESSURE SWITCH 1 1 1 63H 23 G T7W E03 428 SOLENOID VALVE 24 G T7W E71 242 SOLENOID COIL 1 1 1 GRAY SV1 25 G R01 H22 242 LEV COIL CAM type 1 1 1 RED LEV-B 26 G R01 H63 401 LEV-A ASSY 1 1 1 27 G R01 H21 242 LEV COIL UKV type 1 1 1 WHITE LEV-A 28 G R01 H87 202 THERMISTOR 29 G R01 E16 428 SOLENOID VALVE 30 G T7W E52 401 LEV ASSY HIC 1 1 1 31 G T7W E72 242 SOLENOID COIL 1 1 1 BLUE SV2 32 G T7W E74 408 HEAT EXCHANGER 1 1 1 33 G R01 E06 311 M-NET POWER BOARD 1 1 1 34 G R01 AM1 350 CONTROLLER BOARD 1 1 1 35 G T7W 603 246 TERMINAL BLOCK 3P (L1,L2,GR) 1 1 1 TB1 36 G T7W E57 716 TERMINAL BLOCK 2P (B1,B2) 1 1 1 TB1B 37 G R01 E27 246 TERMINAL BLOCK 3P (M1,M2,S) 2 2 2 38 G T7W E23 259 REACTOR 1 1 1 DCL 39 G R01 E20 239 FUSE 250V 20A 2 2 2 40 G R01 30L 241 FUSE HOLDER 2 2 2 41 G R01 A80 353 POWER BOARD 1 1 1 P.B. 42 G R01 A10 371 HEAT SINK 1 1 1 43 G R01 E35 510 LEAD ASSY COMP 1 1 1 44 G R01 E14 239 FUSE 250V 6.3A 2 2 2 F1,F2

Parts No. Parts Name

RoHS

G T7W A00 221 FAN MOTOR 2 2 2 MF1, 2

Specication

MXZ-4C36NAHZ

Suction Pipe, Ambient

Bypass Valve (SV1)

Outdoor Liquid Pipe Bypass Valve (SV2)

1 1 1 TH6, 7

1 1 1

1 1 1 TH3 1 1 1

MXZ-5C42NAHZ

Remarks

(Drawing No.)

MXZ-8C48NAHZ

Including RUBBERMOUNT

Including LEV-A COIL

Including LEV-B COIL,SV2 COIL, and STOP VALVE

Wiring

Diagram

Symbol

M-NET P.B.

MULTI.B.

TB3,TB7

FUSE1,2

Recommended

Q'ty

RoHS PARTS LIST

OCB573

1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTS MXZ-8C48NA

27 26

24 23

22 21 20

7 11

8 9

RoHS PARTS LIST

OCB573

Parts numbers that are circled are not shown in the figure.

Q'ty/unit

No.

2 G R01 E14 115 PROPELLER FAN 2

3 G R01 E09 097 NUT 2

4 G R01 A57 602 COMP FELT(TOP) 1

5 G R01 A71 602 COMP FELT(BODY) 1

6 G R01 E28 413 CHARGE PLUG 1

7 G R01 E11 208 HIGH PRESSURE SENSOR ASSY 1 63HS

8 G T7W E04 410 STOP VALVE 3/8 1

9 G T7W E06 411 BALL VALVE 5/8 1

10 G T97 435 077 COMPRESSOR ANB33FNHMT 1

11 G R01 E73 440 ACCUMULATOR 1

12 G R01 E30 201 SHELL THERMISTOR Compressor 1 TH4

13 G R01 H97 202 THERMISTOR Hic Pipe 1 TH2

14 G R01 E00 426 CT ASSY 1

15 G R01 E12 413 CHARGE PLUG 1

16 G R01 E15 490 OIL SEPARATOR 1

17 G R01 H99 202 THERMISTOR W

18 G T7W E70 242 SOLENOID COIL 1 21S4

19 G R01 E40 403 4-WAY VALVE 1

20 G R01 E03 209 LOW PRESSURE SENSOR 1 63LS

21 G T7W E07 208 HIGH PRESSURE SWITCH 1 63H

22 G T7W E03 428 SOLENOID VALVE

23 G T7W E71 242 SOLENOID COIL 1 GRAY SV1

24 G R01 H22 242 LEV COIL CAM type 1 RED LEV-B

25 G R01 H63 401 LEV-A ASSY 1 Including LEV-A COIL

26 G R01 H21 242 LEV COIL UKV type 1 WHITE LEV-A

27 G R01 H87 202 THERMISTOR

28 G T7W E53 401 LEV ASSY HIC 1

29 G T7W E74 408 HEAT EXCHANGER 1

30 G R01 E06 311 M-NET POWER BOARD 1

31 G R01 AM1 350 CONTROLLER BOARD 1

32 G T7W 603 246 TERMINAL BLOCK 3P (L1,L2,GR) 1 TB1

33 G T7W E57 716 TERMINAL BLOCK 2P (B1,B2) 1 TB1B

34 G R01 E27 246 TERMINAL BLOCK 3P (M1,M2,S) 2

35 G R01 E51 259 REACTOR 1 DCL

36 G R01 E20 239 FUSE 250V 20A 2

37 G R01 30L 241 FUSE HOLDER 2

38 G R01 A90 353 POWER BOARD 1 P.B.

39 G R01 A10 371 HEAT SINK 1

40 G R01 E35 510 LEAD ASSY COMP 1

41 G R01 E14 239 FUSE 250V 6.3A 2 F1,F2

Parts No. Parts Name

RoHS

G T7W A00 221 FAN MOTOR 2 MF1, 2

Specication

Suction Pipe, Ambient

Bypass Valve (SV1)

Outdoor Liquid Pipe

1 TH6, 7

1 TH3

Remarks

(Drawing No.)

MXZ-8C48NA

Including RUBBERMOUNT

Including LEV-B COIL and STOP VALVE

Wiring

Diagram

Symbol

M-NET P.B.

MULTI.B.

TB3,TB7

FUSE1,2

Recom-

mended

Q'ty

RoHS PARTS LIST

OCB573

1-3. BRANCH BOX FUNCTIONAL PARTS PAC-MKA50BC

10 11

RoHS PARTS LIST

OCB573

Parts numbers that are circled are not shown in the figure.

Q'ty/unit

No.

1 G T7W E06 617 CONDUIT PLATE 1

2 G T7W E59 716 TERMINAL BLOCK 2P(L1, L2) 1 TB2B

3 G T7W E60 716 TERMINAL BLOCK 3P(M1, M2, S) 1 TB5

4 G T7W F04 310 CONTROLLER BOARD 1 B.C.

5 G T7W E55 401 LEV ASSY MKA50BC 1 Including coils

6 G T7W E73 242 COIL(LEV) 1 WHITE LEV-A

7 G T7W E74 242 COIL(LEV) 1 RED LEV-B

8 G T7W E75 242 COIL(LEV) 1 BLUE LEV-C

9 G T7W E76 242 COIL(LEV) 1 BLACK LEV-D

10 G T7W E77 242 COIL(LEV) 1 GREEN LEV-E

11 G T7W E66 202 THERMISTOR-A 1 WHITE TH-A

12 G T7W E67 202 THERMISTOR-B 1 RED TH-B

13 G T7W E68 202 THERMISTOR-C 1 BLUE TH-C

14 G T7W E69 202 THERMISTOR-D 1 BLACK TH-D

15 G T7W E70 202 THERMISTOR-E 1 GREEN TH-E

16 G T7W A00 392 LEAD WIRE SET 1

17 G R01 E14 239 FUSE 6.3A 250V 1 F1

18 G R01 E21 239 FUSE 10A 250V 3 F2,F3,F4

19 G R01 E07 660 STEM PIPE COVER SET 1

20 G R01 E08 660 BRANCH PIPE COVER SET 1

Parts No. Parts Name

RoHS

Specication

PAC-MKA50BC

Remarks

(Drawing No.)

Wiring

Diagram

Symbol

RoHS PARTS LIST

OCB573

1-4. BRANCH BOX FUNCTIONAL PARTS PAC-MKA30BC

12 13

RoHS PARTS LIST

OCB573

Part numbers that are circled are not shown in the figure.

Q'ty/unit

No.

1 G R01 E04 124 BUSH SET 1

2 G T7W E06 617 CONDUIT PLATE 1

3 G T7W E59 716 TERMINAL BLOCK 2P(L1, L2) 1 TB2B

4 G T7W E60 716 TERMINAL BLOCK 3P(M1, M2, S) 1 TB5

5 G T7W F03 310 CONTROLLER BOARD 1 B.C.

6 G T7W E54 401 LEV ASSY MKA30BC 1 Including coils

7 G T7W E73 242 COIL(LEV) 1 WHITE LEV-A

8 G T7W E74 242 COIL(LEV) 1 RED LEV-B

9 G T7W E75 242 COIL(LEV) 1 BLUE LEV-C

10 G T7W E66 202 THERMISTOR-A 1 WHITE TH-A

11 G T7W E67 202 THERMISTOR-B 1 RED TH-B

12 G T7W E68 202 THERMISTOR-C 1 BLUE TH-C

13 G T7W A00 392 LEAD WIRE SET 1

14 G R01 E14 239 FUSE 6.3A 250V 1 F1

15 G R01 E21 239 FUSE 10A 250V 2 F2,F3

16 G R01 E07 660 STEM PIPE COVER SET 1

17 G R01 E08 660 BRANCH PIPE COVER SET 1

Parts No. Parts Name

RoHS

Specication

PAC-MKA30BC

Remarks

(Drawing No.)

Wiring

Diagram

Symbol

OPTIONAL PARTS

2-1. FOR OUTDOOR UNIT

DRAIN SOCKET

Parts No. PAC-SH71DS-E

AIR OUTLET GUIDE

Parts No. PAC-SH96SG-E

Note: Need 2 pieces.

DRAIN PAN

Parts No. PAC-SH97DP-E

2-BRANCH PIPE (Joint) (In case of using 2-branch boxes)

Parts No.

MSDD-50AR-E MSDD-50BR-E

Note: Select a joint according to the connection method.

BASE HEATER

Parts No. PAC-SJ20BH-E

Connection method

flare

brazing

2-2. FOR BRANCH BOX

Different-diameter joint

Part No.

MAC-A454JP MAC-A455JP MAC-A456JP PAC-493PI PAC-SG76RJ-E

Connected pipes diameter

{9.52 → {12.7 {12.7 → {9.52 {12.7 → {15.88 {6.35 → {9.52 {9.52 → {15.88

Branch Box Outer Cover (for outdoor installation)

Parts No. PAC-AK350CVR-E

Diameter AmmDiameter B

{9.52 {12.7 {12.7 {6.35 {9.52

{12.7 {9.52 {15.88 {9.52 {15.88

<Reference> Conversion formula

1/4 inch 3/8 inch 1/2 inch 5/8 inch 3/4 inch

{6.35mm {9.52mm

{12.7mm {15.88mm {19.05mm

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

New publication, effective Aug. 2014 Specifications are subject to change without notice.

14 14

Mitsubishi Electronics MXZ-4C36NAHZ, MXZ-5C42NAHZ, MXZ-8C48NAHZ, MXZ-8C48NA, PAC-MKA50BC User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual