CONTENTS1. SERVICE PARTS LIST....................................... 22. OPTIONAL PARTS........................................... 22
SERVICE MANUAL (OCH573)
OUTDOOR UNIT: MXZ-4C36NAHZ
BRANCH BOX: PAC-MKA50BC
Model name indication
PARTS CATALOG
No. OCB573REVISED EDITION-D
HFCutilized
R410A
May 2019SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Revision:• Some descriptions have
been modified in REVISED EDITION-D.
OCB573 REVISED EDITION-C is void.
MXZ-4C36NAHZ MXZ-4C36NAHZ-U1
MXZ-5C42NAHZ MXZ-5C42NAHZ-U1
MXZ-8C48NAHZ MXZ-8C48NAHZ-U1
MXZ-8C48NA MXZ-8C48NA-U1
MXZ-8C60NA-U1
PAC-MKA50BCPAC-MKA30BCPAC-MKA51BCPAC-MKA31BC
[Model Name]<Outdoor unit>MXZ-4C36NAHZ
MXZ-5C42NAHZ
MXZ-8C48NAHZ
MXZ-8C48NA
MXZ-8C60NA
<Branch box>PAC-MKA50BC
PAC-MKA30BC
PAC-MKA51BC
PAC-MKA31BC
[Service Ref.]
2 3OCB573D
SERVICE PARTS LIST1-1. OUTDOOR UNIT STRUCTURAL PARTSMXZ-4C36NAHZMXZ-5C42NAHZMXZ-8C48NAHZMXZ-8C48NA
1
1
2
23 4 5 7
8
9
8
6
10
11
11
12
13
14
15
3OCB573D
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
MXZ
-4C
36N
AH
Z
MXZ
-5C
42N
AH
Z
MXZ
-8C
48N
AH
Z
MXZ
-8C
48N
A
1 R 0 1 E 0 2 6 3 1 ICE GUARD 2 2 2 22 R 0 1 E 7 3 6 9 1 WIRE GRILLE 2 2 2 23 R 0 1 E 2 3 6 6 8 FRONT PANEL 1 1 1 14 R 0 1 E 5 3 6 8 6 BASE ASSY 1 1 1 15 R 0 1 E 5 9 1 3 0 MOTOR SUPPORT 1 1 1 16 T 7 W E 0 5 6 1 7 CONDUIT PLATE 1 1 1 17 T 7 W E 2 0 6 6 8 SERVICE PANEL 1 1 1 18 R 0 1 E 0 5 6 5 5 HANDLE (FRONT) 2 2 2 29 R 0 1 E 3 5 6 5 8 COVER PANEL (FRONT) 1 1 1 110 R 0 1 E 3 6 6 5 8 COVER PANEL (REAR) 1 1 1 111 R 0 1 E 0 6 6 5 5 HANDLE (REAR) 2 2 2 212 R 0 1 E 5 5 6 6 1 SIDE PANEL(R) 1 1 1 113 R 0 1 E 1 0 6 9 8 REAR GUARD 1 1 1 114 R 0 1 E 3 6 6 4 1 TOP PANEL 1 1 1 115 R 0 1 E 3 0 6 6 2 SIDE PANEL (L) 1 1 1 1
4 5OCB573D
1-1. OUTDOOR UNIT STRUCTURAL PARTSMXZ-4C36NAHZ-U1MXZ-5C42NAHZ-U1MXZ-8C48NAHZ-U1MXZ-8C48NA-U1
1
1
2
23 4 5 7
8
9
8
6
10
11
11
12
13
14
15
17 16
5OCB573D
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
MXZ
-4C
36N
AH
Z-U
1
MXZ
-5C
42N
AH
Z-U
1
MXZ
-8C
48N
AH
Z-U
1
MXZ
-8C
48N
A-U
1
1 R 0 1 E 0 2 6 3 1 ICE GUARD 2 2 2 22 R 0 1 E 7 3 6 9 1 WIRE GRILLE 2 2 2 23 R 0 1 E 2 3 6 6 8 FRONT PANEL 1 1 1 14 R 0 1 E 5 3 6 8 6 BASE ASSY 1 1 1 15 R 0 1 E 5 9 1 3 0 MOTOR SUPPORT 1 1 1 16 T 7 W E 0 5 6 1 7 CONDUIT PLATE 1 1 1 17 T 7 W E 2 0 6 6 8 SERVICE PANEL 1 1 1 18 R 0 1 E 0 5 6 5 5 HANDLE (FRONT) 2 2 2 29 R 0 1 E 3 5 6 5 8 COVER PANEL (FRONT) 1 1 1 110 R 0 1 E 3 6 6 5 8 COVER PANEL (REAR) 1 1 1 111 R 0 1 E 0 6 6 5 5 HANDLE (REAR) 2 2 2 212 R 0 1 E 5 5 6 6 1 SIDE PANEL(R) 1 1 1 113 R 0 1 E 1 0 6 9 8 REAR GUARD 1 1 1 114 R 0 1 E 3 6 6 4 1 TOP PANEL 1 1 1 115 R 0 1 E 3 0 6 6 2 SIDE PANEL (L) 1 1 1 116 T 7 W A 0 0 0 0 5 BRAND LABEL (ME) 1 1 1 117 T 7 W A 1 0 0 0 5 BRAND LABEL (H2I) 1 1 1
6 7OCB573D
1-1. OUTDOOR UNIT STRUCTURAL PARTSMXZ-8C60NA-U1
1
1
2
23 4 5 7
8
9
8
6
10
11
11
12
13
14
15
16
7OCB573D
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
MXZ
-8C
60N
A-U
1
1 R 0 1 E 0 2 6 3 1 ICE GUARD 22 R 0 1 E 7 3 6 9 1 WIRE GRILLE 23 R 0 1 E 2 3 6 6 8 FRONT PANEL 14 R 0 1 E 5 3 6 8 6 BASE ASSY 15 R 0 1 E 6 0 1 3 0 MOTOR SUPPORT 16 T 7 W E 0 4 6 1 7 CONDUIT PLATE 17 T 7 W E 2 0 6 6 8 SERVICE PANEL 18 R 0 1 E 0 5 6 5 5 HANDLE (FRONT) 29 R 0 1 E 3 5 6 5 8 COVER PANEL (FRONT) 110 R 0 1 E 3 6 6 5 8 COVER PANEL (REAR) 111 R 0 1 E 0 6 6 5 5 HANDLE (REAR) 212 T 7 W E 3 6 6 6 1 SIDE PANEL(R) 113 R 0 1 E 1 0 6 9 8 REAR GUARD 114 R 0 1 E 3 6 6 4 1 TOP PANEL 115 R 0 1 E 3 0 6 6 2 SIDE PANEL (L) 116 T 7 W A 0 0 0 0 5 BRAND LABEL (ME) 1
8 9OCB573D
1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTSMXZ-4C36NAHZMXZ-5C42NAHZMXZ-8C48NAHZ
5
2
4
1
10
20
30
13
42
23
33
16
26
36
7
11
21
31
14
24
34
17
27
37
8 12
41
22
32
15
25
35
18
18
28
38
19
29
4039
9
6
3
9OCB573D
Parts numbers that are circled are not shown in the figure.
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
Recom-mended
Q'ty
MXZ
-4C
36N
AH
Z
MXZ
-5C
42N
AH
Z
MXZ
-8C
48N
AH
Z
1 T7W A00 221 FAN MOTOR 2 2 2 MF1, 22 R 0 1 E 1 6 11 5 PROPELLER FAN/D550 2 2 23 R 0 1 E 0 9 0 9 7 NUT M6 2 2 24 R 0 1 A 5 7 6 0 2 COMP FELT(TOP) 1 1 15 R 0 1 A 7 0 6 0 2 COMP FELT(BODY) 1 1 16 R 0 1 E 2 1 3 0 0 HEATER 1 1 1 BH7 R 0 1 E 2 8 4 1 3 CHARGE PLUG/ST 1 1 18 R 0 1 E 11 2 0 8 H.P. SENSOR ASSY 1 1 1 63HS9 T7W E04 410 STOP VALVE 3/8 F 3/8" 1 1 1
10 T7W E06 411 BALL VALVE 5/8 F 5/8" 1 1 1
11 T 9 7 4 4 3 0 7 7 COMPRESSOR ANB33FJSMT 1 1 1 IncludesRUBBERMOUNT MC
12 R 0 1 E 7 3 4 4 0 ACCUMULATOR 1 1 113 R 0 1 E 3 6 2 0 1 THERMISTOR (SHELL) Compressor 1 1 1 TH414 R01 H97 202 THERMISTOR Hic Pipe 1 1 1 TH215 R 0 1 E 0 0 4 2 6 CT ASSY 1 1 116 R 0 1 E 1 2 4 1 3 CHARGE PLUG/LB90 1 1 117 R 0 1 E 1 5 4 9 0 OIL SEPARATOR 1 1 118 R01 H99 202 THERMISTOR W Suction Pipe, Ambient 1 1 1 TH6, 719 T7W E70 242 SOLENOID COIL (21S4) 1 1 1 21S420 R 0 1 E 4 0 4 0 3 4 WAY VALVE 1 1 121 R 0 1 E 0 3 2 0 9 LOW PRESSURE SENSOR 1 1 1 63LS22 T7W E07 208 HIGH PRESSURE SWITCH 1 1 1 63H23 T7W E03 428 SOLENOID VALVE Bypass Valve (SV1) 1 1 124 T7W E71 242 SOLENOID COIL (SV) 1 1 1 CONNECTOR: GRAY SV125 R01 H22 242 COIL (LEV)/XAP-5P RED CAM type 1 1 1 CONNECTOR: RED LEV-B26 R01 H63 401 LEV ASSY-A/C-HIC 1 1 1 Includes LEV-A COIL27 R01 H21 242 COIL (LEV)/XAP-5P WH UKV type 1 1 1 CONNECTOR: WHITE LEV-A28 R01 H87 202 THERMISTOR Outdoor Liquid Pipe 1 1 1 TH329 R 0 1 E 1 6 4 2 8 SOLENOID VALVE Bypass Valve (SV2) 1 1 130 T7W E52 401 LEV ASSY HIC 1 1 1 Includes LEV-B COIL,SV2 COIL, and STOP VALVE31 T7W E72 242 SOLENOID COIL (SV) 1 1 1 CONNECTOR: BLUE SV232 T7W E74 408 HEAT EXCHANGER 1 1 133 R 0 1 E 0 6 3 11 M-NET POWER BOARD 1 1 1 M-NET P.B.34 R01 M00 350 CONTROLLER BOARD 1 1 1 MULTI.B.35 T7W 603 246 T.B./L1.L2.GR 3P (L1,L2,GR) 1 1 1 TB136 T7W E57 716 T.B./B1.B2 2P (B1,B2) 1 1 1 TB1B37 R 0 1 E 2 7 2 4 6 T.B./M1.M2.S 3P (M1,M2,S) 2 2 2 TB3,TB738 T7W E23 259 REACTOR 1 1 1 DCL39 R 0 1 E 2 0 2 3 9 FUSE 20 A 250 V 20 A 250 V 2 2 2 FUSE1,240 R 0 1 3 0 L 2 4 1 FUSE HOLDER 2 2 241 T7W BE0 323 POWER BOARD 1 1 1 P.B.42 R 0 1 A 1 0 3 7 1 HEAT SINK 1 1 143 R 0 1 E 3 5 5 1 0 LEAD ASSY COMP 1 1 144 R 0 1 E 1 4 2 3 9 FUSE 6.3 A 250 V 6.3 A 250 V 2 2 2 F1,F2
10 11OCB573D
1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTSMXZ-8C48NA
5
2
4
1
10
20
30
13
23
33
16
26
7 11
21
31
14
24
34
17
27
8
12
22
32
15
25
18
28
19
29
38
9
6
3
35
39
17
36 37
11OCB573D
Parts numbers that are circled are not shown in the figure.
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
Recom-mended
Q'ty
MXZ
-8C
48N
A
1 T7W A00 221 FAN MOTOR 2 MF1, 2
2 R 0 1 E 1 6 11 5 PROPELLER FAN/D550 2
3 R 0 1 E 0 9 0 9 7 NUT M6 2
4 R 0 1 A 5 7 6 0 2 COMP FELT(TOP) 1
5 R 0 1 A 7 1 6 0 2 COMP FELT(BODY) 1
6 R 0 1 E 2 8 4 1 3 CHARGE PLUG/ST 1
7 R 0 1 E 11 2 0 8 H.P. SENSOR ASSY 1 63HS
8 T7W E04 410 STOP VALVE 3/8 F 3/8" 1
9 T7W E06 411 BALL VALVE 5/8 F 5/8" 1
10 T 9 7 4 3 5 0 7 7 COMPRESSOR ANB33FNHMT 1 IncludesRUBBERMOUNT MC
11 R 0 1 E 7 3 4 4 0 ACCUMULATOR 1
12 R 0 1 E 3 6 2 0 1 THERMISTOR (SHELL) Compressor 1 TH4
13 R01 H97 202 THERMISTOR Hic Pipe 1 TH2
14 R 0 1 E 0 0 4 2 6 CT ASSY 1
15 R 0 1 E 1 2 4 1 3 CHARGE PLUG/LB90 1
16 R 0 1 E 1 5 4 9 0 OIL SEPARATOR 1
17 R01 H99 202 THERMISTOR W Suction Pipe, Ambient 1 TH6, 7
18 T7W E70 242 SOLENOID COIL (21S4) 1 21S4
19 R 0 1 E 4 0 4 0 3 4 WAY VALVE 1
20 R 0 1 E 0 3 2 0 9 LOW PRESSURE SENSOR 1 63LS
21 T7W E07 208 HIGH PRESSURE SWITCH 1 63H
22 T7W E03 428 SOLENOID VALVE Bypass Valve (SV1) 1
23 T7W E71 242 SOLENOID COIL (SV) 1 CONNECTOR: GRAY SV1
24 R01 H22 242 COIL (LEV)/XAP-5P RED CAM type 1 CONNECTOR: RED LEV-B
25 R01 H63 401 LEV ASSY-A/C-HIC 1 Includes LEV-A COIL
26 R01 H21 242 COIL (LEV)/XAP-5P WH UKV type 1 CONNECTOR: WHITE LEV-A
27 R01 H87 202 THERMISTOR Outdoor Liquid Pipe 1 TH3
28 T7W E53 401 LEV ASSY HIC 1 Includes LEV-B COIL and STOP VALVE
29 T7W E74 408 HEAT EXCHANGER 1
30 R 0 1 E 0 6 3 11 M-NET POWER BOARD 1 M-NET P.B.
31 R01 M00 350 CONTROLLER BOARD 1 MULTI.B.
32 T7W 603 246 T.B./L1.L2.GR 3P (L1,L2,GR) 1 TB1
33 T7W E57 716 T.B./B1.B2 2P (B1,B2) 1 TB1B
34 R 0 1 E 2 7 2 4 6 T.B./M1.M2.S 3P (M1,M2,S) 2 TB3,TB7
35 R 0 1 E 5 1 2 5 9 REACTOR 1 DCL
36 R 0 1 E 2 0 2 3 9 FUSE 20 A 250 V 20 A 250 V 2 FUSE1,2
37 R 0 1 3 0 L 2 4 1 FUSE HOLDER 2
38 R 0 1 A 9 2 3 5 3 POWER BOARD 1 P.B.
39 R 0 1 A 1 0 3 7 1 HEAT SINK 1 Includes SCREWS
40 R 0 1 E 3 5 5 1 0 LEAD ASSY COMP 1
41 R 0 1 E 1 4 2 3 9 FUSE 6.3 A 250 V 6.3 A 250 V 2 F1,F2
12 13OCB573D
1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTSMXZ-4C36NAHZ-U1MXZ-5C42NAHZ-U1MXZ-8C48NAHZ-U1
1
1
2
2
40
41
3
3
48
56 7
8
9
10
11
12
13
1429
21
1516
1718192021
2223
24
27
29
23
28
33
36
37
32
38
30
39
31
34.35
42
2625
13OCB573D
Parts numbers that are circled are not shown in the figure.
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
MXZ
-4C
36N
AH
Z-U
1
MXZ
-5C
42N
AH
Z-U
1
MXZ
-8C
48N
AH
Z-U
1
1 T7W A10 221 FAN MOTOR 2 2 2 MF1, MF22 R 0 1 E 0 9 0 9 7 NUT M6 2 2 23 R 0 1 E 1 6 11 5 PROPELLER FAN/D550 2 2 24 R 0 1 E 1 2 2 0 8 H.P. SENSOR ASSY 1 1 1 63HS5 T7W E04 410 STOP VALVE 3/8F 3/8" 1 1 16 T7W E06 411 BALL VALVE 5/8F 5/8" 1 1 17 T 9 7 4 4 3 0 7 7 COMPRESSOR ANB33FJSMT 1 1 1 Includes RUBBERMOUNT MC8 R 0 1 E 0 0 4 2 6 CT ASSY 1 1 19 R 0 1 E 3 6 2 0 1 THERMISTOR (SHELL) Compressor 1 1 1 TH410 R 0 1 E 7 3 4 4 0 ACCUMULATOR 1 1 111 R01 H97 202 THERMISTOR Hic Pipe 1 1 1 TH212 R 0 1 E 1 2 4 1 3 CHARGE PLUG/LB90 1 1 113 R 0 1 E 1 5 4 9 0 OIL SEPARATOR 1 1 114 T7W E70 242 SOLENOID COIL (21S4) 1 1 1 21S415 R 0 1 E 4 0 4 0 3 4 WAY VALVE 1 1 116 R 0 1 E 0 4 2 0 9 LOW PRESSURE SENSOR 1 1 1 63LS17 T7W E15 208 H.P SWITCH UL4.14MPA 1 1 1 63H18 T7W E03 428 SOLENOID VALVE Bypass Valve(SV1) 1 1 119 T7W E71 242 SOLENOID COIL (SV) 1 1 1 CONNECTOR: GRAY SV120 R01 H21 242 COIL (LEV)/XAP-5P WH UKV type 1 1 1 CONNECTOR: WHITE LEV-A 21 R01 H63 401 LEV ASSY-A/C-HIC 1 1 1 Includes LEV COIL22 R01 H36 242 COIL (LEV)/XAP-5P RED CAM type 1 1 1 CONNECTOR: RED LEV-B23 T7W E93 401 LEV ASSY HIC 1 1 1 Includes LEV COIL and STOP VALVE24 R01 H87 202 THERMISTOR Outdoor Liquid Pipe 1 1 1 TH325 R 0 1 E 1 6 4 2 8 SOLENOID VALVE Bypass Valve(SV2) 1 1 126 T7W E72 242 SOLENOID COIL (SV) 1 1 1 CONNECTOR: BLUE SV227 T7W E74 408 HEAT EXCHANGER 1 1 128 T7W E13 413 CHARGE PLUG/LB54 1 1 129 R01 H99 202 THERMISTOR W Suction Pipe, Ambient 1 1 1 Combined Port TH6, TH730 R 0 1 E 2 7 2 4 6 T.B./M1.M2.S 3P (M1, M2, S) 2 2 2 TB3, TB731 T7W E57 716 T.B./B1.B2 2P (B1, B2) 1 1 1 TB1B32 T7W 603 246 T.B./L1.L2.GR 3P (L1, L2, GR) 1 1 1 TB133 T7W E23 259 REACTOR 1 1 1 DCL34 R 0 1 E 2 0 2 3 9 FUSE 20 A 250 V 20 A 250 V 2 2 2 FUSE1,FUSE235 R 0 1 3 0 L 2 4 1 FUSE HOLDER 2 2 236 T7W AU1 323 POWER BOARD 1 1 1 P.B.37 R 0 1 A 1 0 3 7 1 HEAT SINK 1 1 1 Includes SCREWS38 R 0 1 E 0 6 3 11 M-NET POWER BOARD 1 1 1 M-NET P.B.39 R01 M00 350 CONTROLLER BOARD 1 1 1 MULTI.B.40 R 0 1 A 5 7 6 0 2 COMP FELT( TOP) 1 1 141 R 0 1 A 7 0 6 0 2 COMP FELT (BODY) 1 1 142 T7W B02 300 BASE HEATER 1 1 1 BH43 R 0 1 E 4 5 5 1 0 LEAD ASSY COMP 1 1 144 R 0 1 E 1 4 2 3 9 FUSE 6.3 A 250 V 6.3 A 250 V 2 2 2 F1, F2
14 15OCB573D
1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTSMXZ-8C48NA-U1
1
1
2
235
36
3
3
48 5
6 7
8
9
1011
12
131426
21
15161718192021
2223
24
25
26
23
27
28
34
33
30
32
29
31
37
38.39
15OCB573D
Parts numbers that are circled are not shown in the figure.
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
MXZ
-8C
48N
A-U
1
1 T7W A10 221 FAN MOTOR 2 MF1, MF22 R01 E09 097 NUT M6 23 R01 E16 115 PROPELLER FAN/D550 24 R01 E12 208 H.P. SENSOR ASSY 1 63HS5 T7W E04 410 STOP VALVE 3/8F 3/8" 16 T7W E06 411 BALL VALVE 5/8F 5/8" 17 T97 435 077 COMPRESSOR ANB33FNHMT 1 Includes RUBBERMOUNT MC8 R01 E00 426 CT ASSY 19 R01 E36 201 THERMISTOR (SHELL) Compressor 1 TH4
10 R01 E73 440 ACCUMULATOR 111 R01 H97 202 THERMISTOR Hic Pipe 1 TH212 R01 E12 413 CHARGE PLUG/LB90 113 R01 E15 490 OIL SEPARATOR 114 T7W E70 242 SOLENOID COIL (21S4) 1 21S415 R01 E40 403 4 WAY VALVE 116 R01 E04 209 LOW PRESSURE SENSOR 1 63LS17 T7W E15 208 H.P SWITCH UL4.14MPA 1 63H18 T7W E03 428 SOLENOID VALVE Bypass Valve(SV1) 119 T7W E71 242 SOLENOID COIL (SV) 1 CONNECTOR: GRAY SV120 R01 H21 242 COIL (LEV)/XAP-5P WH UKV type 1 CONNECTOR: WHITE LEV-A 21 R01 H63 401 LEV ASSY-A/C-HIC 1 Includes LEV COIL22 R01 H36 242 COIL (LEV)/XAP-5P RED CAM type 1 CONNECTOR: RED LEV-B23 T7W E80 401 LEV ASSY HIC 1 Includes LEV COIL and STOP VALVE24 R01 H87 202 THERMISTOR Outdoor Liquid Pipe 1 TH325 T7W E74 408 HEAT EXCHANGER 126 R01 H99 202 THERMISTOR W Suction Pipe, Ambient 1 Combined Port TH6, TH727 T7W E13 413 CHARGE PLUG/LB54 128 R01 E51 259 REACTOR 1 DCL29 R01 E27 246 T.B./M1.M2.S 3P (M1, M2, S) 2 TB3, TB730 T7W 603 246 T.B./L1.L2.GR 3P (L1, L2, GR) 1 TB131 R01 M00 350 CONTROLLER BOARD 1 MULTI.B.32 R01 E06 311 M-NET POWER BOARD 1 M-NET P.B.33 R01 A10 371 HEAT SINK 1 Includes SCREWS34 T7W AX1 323 POWER BOARD 1 P.B.35 R01 A57 602 COMP FELT( TOP) 136 R01 A71 602 COMP FELT (BODY) 137 T7W E57 716 T.B./B1.B2 2P (B1, B2) 1 TB1B38 R01 E20 239 FUSE 20 A 250 V 20 A 250 V 2 FUSE1,FUSE239 R01 30L 241 FUSE HOLDER 240 R01 E45 510 LEAD ASSY COMP 141 R01 E14 239 FUSE 6.3 A 250 V 6.3 A 250 V 2 F1, F2
16 17OCB573D
1-2. OUTDOOR UNIT FUNCTIONAL AND ELECTRICAL PARTSMXZ-8C60NA-U1
1
1
2
2
3
3
35
34
12 4
567981011
1315
1416
17
18
18
19202122
23
152425
26
28
30
31
32
33
2927
20
36
37.38
17OCB573D
No. Part No. Part Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
MXZ
-8C
60N
A-U
1
1 T7W A12 221 FAN MOTOR 2 MF1, 22 R01 E16 115 PROPELLER FAN/D550 23 R01 E09 097 NUT M6 2
4 T97 415 789 COMPRESSOR ANB66FFZMT 1 IncludesRUBBER MOUNT MC
5 R01 E67 440 ACCUMULATOR 16 T7W E04 410 STOP VALVE 3/8F 3/8" (LIQUID) 17 T7W E07 411 BALL VALVE&STRAINER 3/4" (GAS) 18 R01 E36 201 THERMISTOR (SHELL) Compressor 1 TH49 R01 H97 202 THERMISTOR Hic Pipe 1 TH210 R01 E12 413 CHARGE PLUG/LB90 211 T7W A03 426 CT ASSY ø2.5 × ø0.8 × 800mm 112 T7W E12 208 H.P. SENSOR ASSY 1 63HS13 T7W F00 242 SOLENOID COIL (21S4) 1 21S414 T7W E09 403 4 WAY VALVE 115 R01 H99 202 THERMISTOR W Suction Pipe, Ambient 1 Combiend Port TH6, TH716 R01 E14 490 OIL SEPARATOR 117 R01 E04 209 LOW PRESSURE SENSOR 1 63LS18 T7W E61 401 LEV ASSY-A 1 Includes LEV COIL19 R01 H39 242 COIL (LEV)/XAP-5P WH UKV type 1 CONNECTOR: WHITE LEV-A20 T7W E81 401 HIC & LEV-B ASSY 1 Includes LEV COIL and STOP VALVE21 R01 H32 242 COIL (LEV)/XAP-5P RED CAM type 1 CONNECTOR: RED LEV-B22 R01 H87 202 THERMISTOR Outdoor Liquid Pipe 1 TH323 T7W E82 408 HEAT EXCHANGER 124 T7W E91 242 SOLENOID COIL (SV) 1 CONNECTOR: GRAY SV125 T7W A04 426 SV-CT ASSY Bypass Valve (SV1) 126 T7W E15 208 H.P SWITCH UL4.14MPA 1 63H27 T7W 603 246 T.B./L1.L2.GR 3P (L1, L2, GR) 1 TB128 R01 E27 246 T.B./M1.M2.S 3P (M1, M2, S) 2 TB3,TB729 T7W E23 259 REACTOR 1 DCL30 T7W AY1 323 POWER BOARD 1 P.B.31 R01 A10 371 HEAT SINK 1 Includes SCREWS32 R01 E06 311 M-NET POWER BOARD 1 M-NET P.B.33 T7W M00 315 CONTROLLER BOARD 1 MULTI.B34 R01 A71 602 COMP FELT (BODY) 135 R01 A57 602 COMP FELT (TOP) 136 T7W E57 716 T.B./B1.B2 2P (B1, B2) 1 TB1B37 R01 E20 239 FUSE 20 A 250 V 20 A 250 V 2 FUSE1,FUSE238 R01 30L 241 FUSE HOLDER 239 T7W A05 510 LEAD ASSY COMP 140 R01 E14 239 FUSE 6.3 A 250 V 6.3 A 250 V 2 F1, F2
Parts numbers that are circled are not shown in the figure.
18 19OCB573D
1-3. BRANCH BOX FUNCTIONAL PARTSPAC-MKA50BC PAC-MKA51BC
1
2
3
4
5
678910
111213
1415
19OCB573D
Parts numbers that are circled are not shown in the figure.
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
PAC
-MK
A50
BC
PAC
-MK
A51
BC
1 T 7 W E 0 6 6 1 7 CONDUIT PLATE 1 1
2 T 7 W E 5 9 7 1 6 T.B./L1.L2 2P(L1, L2) 1 1 TB2B
3 T 7 W E 6 0 7 1 6 T.B./M1.M2.S 3P(M1, M2, S) 1 1 TB5
4 T 7 W F 1 8 3 1 0 CONTROLLER BOARD 1 1 B.C.
5 T 7 W E 5 5 4 0 1 LEV ASSY MKA50BC 1 1 Includes coils
6 T 7 W E 7 3 2 4 2 COIL(LEV)/XAP-5P WH 1 1 WHITE LEV-A
7 T 7 W E 7 4 2 4 2 COIL(LEV)/XAP-5P RED 1 1 RED LEV-B
8 T 7 W E 7 5 2 4 2 COIL(LEV)/XAP-5P BLU 1 1 BLUE LEV-C
9 T 7 W E 7 6 2 4 2 COIL(LEV)/XAP-5P BLK 1 1 BLACK LEV-D
10 T 7 W E 7 7 2 4 2 COIL(LEV)/XAP-5P GRN 1 1 GREEN LEV-E
11 T 7 W E 6 6 2 0 2 THERMISTOR-A 1 1 WHITE TH-A
12 T 7 W E 6 7 2 0 2 THERMISTOR-B 1 1 RED TH-B
13 T 7 W E 6 8 2 0 2 THERMISTOR-C 1 1 BLUE TH-C
14 T 7 W E 6 9 2 0 2 THERMISTOR-D 1 1 BLACK TH-D
15 T 7 W E 7 0 2 0 2 THERMISTOR-E 1 1 GREEN TH-E
16 T 7 W H 1 8 3 9 2 LEAD WIRE SET 1 1
17 R 0 1 E 1 4 2 3 9 FUSE 6.3 A 250 V 6.3 A 250 V 1 1 F1
18 R 0 1 E 2 1 2 3 9 FUSE 10 A 250 V 10 A 250 V 3 3 F2,F3,F4
19 R 0 1 E 0 7 6 6 0 PIPE COVER SET 1 1 STEM
20 R 0 1 E 0 8 6 6 0 PIPE COVER SET 1 1 BRANCH
20 21OCB573D
1-4. BRANCH BOX FUNCTIONAL PARTSPAC-MKA30BCPAC-MKA31BC
2
1
3
4
5
6
78
9
1011
12
21OCB573D
Parts numbers that are circled are not shown in the figure.
No. Parts No. Parts Name Specification
Q'ty/unit
Remarks(Drawing No.)
WiringDiagramSymbol
PAC
-MK
A30
BC
PAC
-MK
A31
BC
1 R 0 1 E 0 4 1 2 4 BUSH SET 1 1
2 T 7 W E 0 6 6 1 7 CONDUIT PLATE 1 1
3 T 7 W E 5 9 7 1 6 T.B./L1.L2 2P(L1, L2) 1 1 TB2B
4 T 7 W E 6 0 7 1 6 T.B./M1.M2.S 3P(M1, M2, S) 1 1 TB5
5 T 7 W F 1 7 3 1 0 CONTROLLER BOARD 1 1 B.C.
6 T 7 W E 5 4 4 0 1 LEV ASSY MKA30BC 1 1 Includes coils
7 T 7 W E 7 3 2 4 2 COIL(LEV)/XAP-5P WH 1 1 WHITE LEV-A
8 T 7 W E 7 4 2 4 2 COIL(LEV)/XAP-5P RED 1 1 RED LEV-B
9 T 7 W E 7 5 2 4 2 COIL(LEV)/XAP-5P BLU 1 1 BLUE LEV-C
10 T 7 W E 6 6 2 0 2 THERMISTOR-A 1 1 WHITE TH-A
11 T 7 W E 6 7 2 0 2 THERMISTOR-B 1 1 RED TH-B
12 T 7 W E 6 8 2 0 2 THERMISTOR-C 1 1 BLUE TH-C
13 T 7 W H 1 8 3 9 2 LEAD WIRE SET 1 1
14 R 0 1 E 1 4 2 3 9 FUSE 6.3 A 250 V 6.3 A 250 V 1 1 F1
15 R 0 1 E 2 1 2 3 9 FUSE 10 A 250 V 10 A 250 V 2 2 F2,F3
16 R 0 1 E 0 7 6 6 0 PIPE COVER SET 1 1 STEM
17 R 0 1 E 0 8 6 6 0 PIPE COVER SET 1 1 BRANCH
22 22
2 OPTIONAL PARTS
2-2. FOR BRANCH BOX<Reference>Conversion formula
MAC-A454JP-EMAC-A455JP-EMAC-A456JP-EPAC-493PIPAC-SG76RJ-EPAC-SG75RJ-E
ø9.52 → ø12.7ø12.7 → ø9.52ø12.7 → ø15.88ø6.35 → ø9.52ø9.52 → ø15.88ø15.88 → ø19.05
ø9.52ø12.7ø12.7ø6.35ø9.52ø15.88
ø12.7ø9.52ø15.88ø9.52 ø15.88ø19.05
Connected pipes diametermm
Diameter Amm
Diameter BmmPart No.
1/4 inch3/8 inch1/2 inch5/8 inch3/4 inch
ø6.35 mmø9.52 mmø12.7 mm
ø15.88 mmø19.05 mm
A B
Different-diameter joint
CCopyright 2014 MITSUBISHI ELECTRIC CORPORATIONIssued: May 2019 No.OCB573 REVISED EDITION-DIssued: Feb. 2019 No.OCB573 REVISED EDITION-CIssued: Oct. 2016 No.OCB573 REVISED EDITION-BIssued: Apr. 2015 No.OCB573 REVISED EDITION-APublished: Aug. 2014 No.OCB573Made in Japan Specifications are subject to change without notice.
HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN
2-1. FOR OUTDOOR UNITParts name Parts No.
DRAIN SOCKET* PAC-SG61DS-E
AIR OUTLET GUIDE*1 PAC-SH96SG-E
DRAIN PAN* PAC-SH97DP-E2-BRANCH PIPE (Joint) (In case of using 2-branch boxes)*2 MSDD-50AR-E (flare)
MSDD-50BR-E (brazing)
BASE HEATER PAC-SJ20BH-E
*It cannot be used with a base heater.*1 Need 2 pieces.*2 Select a joint according to the connection method.