SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
PARTS CATALOG
February 2010
No. OCB468
HFC
utilized
R410A
[Model name]
<Outdoor unit>
MXZ-8B48NA
<Branch box>
PAC-AKA51BC
PAC-AKA31BC
(Indispensable optional parts
for MXZ-8B48NA)
[Service Ref.]
MXZ-8B48NA
PAC-AKA51BC
PAC-AKA31BC
CONTENTS
1. RoHS PARTS LIST
2. OPTIONAL PARTS
NOTE:
• RoHS compliant products
have <G> mark on the spec
name plate.
.............................................
...........................................
10
2
OUTDOOR UNIT
BRANCH BOX
SERVICE MANUAL (OCH468)
Model name
indication
1
1-1. STRUCTURAL PARTS
MXZ-8B48NA
RoHS PARTS LIST
1
14
13
12
11
2
3
45 6
7
10
6
9
8
2
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Part No.
RoHS
T7W E03 662
G
T7W E03 691
G
T7W E06 667
G
R01 E31 686
G
R01 E27 130
G
R01 E01 655
G
R01 E13 658
G
R01 E11 658
G
T7W E01 617
G
R01 E32 661
G
T7W E08 668
G
R01 E07 698
G
R01 E14 641
G
R01 E02 655
G
Part Name
SIDE PANEL (L)
FAN GRILLE
FRONT PANEL
BASE ASSY
MOTOR SUPPORT
HANDLE
COVER PANEL (FRONT)
COVER PANEL (REAR)
CONDUIT PLATE
SIDE PANEL (R)
SERVICE PANEL
REAR GUARD
TOP PANEL
HANDLE
Specification
Q'ty/set
MXZ-8B48NA
1
2
1
1
1
2
1
1
1
1
1
1
1
1
Remarks
(Drawing No.)
Wiring
Diagram
Symbol
Recommended
Q'ty
33
1-2. FUNCTIONAL AND ELECTRICAL PARTS
MXZ-8B48NA
22
27
26
23
24
1
2
3
25
21
20
19
18
17
16
15
4
56
14
13
12
11
10
7
8
9
4
Part numbers that are circled are not shown in the figure.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Part No.
RoHS
T7W E27 763
G
R01 E08 115
G
R01 E09 097
G
T7W E56 242
G
T7W E04 428
G
R01 E07 208
G
T7W E12 413
G
T97 415 779
G
T7W E04 410
G
T7W E06 411
G
R01 E06 450
G
R01 E36 440
G
T7W E02 490
G
R01 E26 425
G
R01 E13 428
G
T7W E31 242
G
R01 E00 209
G
T7W E05 403
G
T7W E26 242
G
T7W E07 208
G
G
R01 E94 202
G
R01 E91 408
G
T7W E94 315
G
T7W 602 246
G
R01 E19 246
G
R01 E43 259
G
T7W E62 313
G
R01 E14 239
G
R01 E20 254
G
T7W E03 201
G
R01 H00 202
G
R01 E27 425
Part Name
Specification
FAN MOTOR
PROPELLER FAN
NUT
SOLENOID VALVE COIL
SOLENOID VALVE (SV1)
HIGH PRESSURE SENSOR
CHARGE PLUG
COMPRESSOR
STOP VALVE
BALL VALVE
STRAINER
ANB33FDSMT
3/8
5/8
#50
ACCUMULATOR
OIL SEPARATOR
CAPILLARY TUBE
2.5 × 0.8 × 1000 mm
SOLENOID VALVE (SV2)
SOLENOID VALVE COIL
LOW PRESSURE SWITCH
4-WAY VALVE
SOLENOID VALVE COIL (4-WAY VALVE)
HIGH PRESSURE SWITCH
THERMISTOR(OUTDOOR 2PHASE PIPE, OUTDOOR)
HEAT EXCHANGER
CONTROLLER CIRCUIT BOARD
TERMINAL BLOCK
TERMINAL BLOCK
3P (L1, L2, GR)
3P (S1, S2, S3)
REACTOR
POWER CIRCUIT BOARD
FUSE
250V 6.3A
MAIN SMOOTHING CAPACITOR
THERMISTOR (DISCHARGE)
THERMISTOR (OUTDOOR PIPE)
CAPILLARY TUBE (SV2)
4 × 2.4 × 250 mm
Q'ty/set
MXZ-8B48NA
2
2
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
Remarks
Wiring
Diagram
Symbol
MF1, MF2
SV1
63HS
MC
SV2
63L
21S4
63H
TH6, TH7
C.B.
TB1
TB2
DCL
P.B.
FUSE1~4
CB
TH4
TH3
Recommended
Q'ty
5
1-3. FUNCTIONAL PARTS
BRANCH BOX : PAC-AKA51BC
1
2
20
3
4
5
19
18
17
16
15
14
13
12
11
10
9
6
7
8
6
Part numbers that are circled are not shown in the figure.
RoHS
R01 E22 641
1
G
R01 E11 689
2
G
R01 E13 689
3
G
T7W E34 661
4
G
R01 E36 242
5
G
R01 E33 529
6
G
T7W E02 669
7
G
T7W E11 689
8
G
R01 E07 527
9
G
T7W E93 310
10
G
R01 H20 202
11
G
R01 H21 202
12
G
R01 H22 202
13
G
R01 H23 202
14
G
R01 H24 202
15
G
R01 E98 401
16
G
R01 E09 419
17
G
R01 E01 660
18
G
R01 E15 689
19
G
T7W E03 617
20
G
R01 E31 246
21
G
R01 E20 246
22
G
R01 E14 239
23
G
Q'ty/set
Part No. Part Name SpecificationNo.
TOP PANEL
COVER-L
COVER-G
SIDE PANEL
LEV COIL
DRAIN PAN
UNDER PANEL
CONTROLLER COVER
DRAIN HOSE
CONTROLLER BOARD
THERMISTOR-A
THERMISTOR-B
THERMISTOR-C
THERMISTOR-D
THERMISTOR-E
LEV ASSY
HEADER-G ASSY
PIPE COVER (SET)
COVER-U
CONDUIT PLATE
TERMINAL BLOCK
TERMINAL BLOCK
FUSE
3P(S1, S2, S3)
3P(S1, S2, S3)
250V 6.3A
PAC-AKA51BC
1
1
1
1
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
5
1
Remarks
Wiring
Diagram
Symbol
LEV-A–E
B.C
TH-A
TH-B
TH-C
TH-D
TH-E
TB2B
TB3A–E
F1
Recommended
Q'ty
7
1-4. FUNCTIONAL PARTS
BRANCH BOX : PAC-AKA31BC
1
2
18
3
4
5
17
16
15
14
13
12
11
10
9
6
7
8
8
Part numbers that are circled are not shown in the figure.
RoHS
R01 E22 641
1
G
R01 E12 689
2
G
R01 E14 689
3
G
T7W E35 661
4
G
R01 E36 242
5
G
R01 E33 529
6
G
T7W E02 669
7
G
T7W E11 689
8
G
R01 E07 527
9
G
T7W E93 310
10
G
R01 H20 202
11
G
R01 H21 202
12
G
R01 H22 202
13
G
R01 E99 401
14
G
R01 E10 419
15
G
R01 E01 660
16
G
R01 E15 689
17
G
T7W E03 617
18
G
R01 E31 246
19
G
R01 E20 246
20
G
R01 E14 239
21
G
Q'ty/set
Part No. Part Name SpecificationNo.
TOP PANEL
COVER-L
COVER-G
SIDE PANEL
LEV COIL
DRAIN PAN
UNDER PANEL
CONTROLLER COVER
DRAIN HOSE
CONTROLLER BOARD
THERMISTOR-A
THERMISTOR-B
THERMISTOR-C
LEV ASSY
HEADER-G ASSY
PIPE COVER (SET)
COVER-U
CONDUIT PLATE
TERMINAL BLOCK
TERMINAL BLOCK
FUSE
3P(S1, S2, S3)
3P(S1, S2, S3)
250V 6.3A
PAC-AKA31BC
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
Remarks
Wiring
Diagram
Symbol
LEV-A–C
B.C
TH-A
TH-B
TH-C
TB2B
TB3A–C
Recommended
Q'ty
F1
9
2
OPTIONAL PARTS
2-1. FOR OUTDOOR UNIT
DRAIN SOCKET
Part No. PAC-SG61DS-E
AIR OUTLET GUIDE
Part No. PAC-SG59SG-E
w Need 2 pieces.
AIR GUIDE
Part No. PAC-SH63AG-E
w Need 2 pieces.
DRAIN PAN
Part No. PAC-SG64DP-E
2-BRANCH PIPE (Joint) (In case of using 2-branch boxes)
Part No.
MSDD-50AR-E
MSDD-50BR-E
w According to the connection method, you can choose the favourite one.
Connection method
flare
brazing
2-2. FOR BRANCH BOX
Different-diameter joint (Optional parts)
Part No.
MAC-A454JP
MAC-A455JP
MAC-A456JP
PAC-493PI
PAC-SG76RJ-E
Connected pipes diameter
mm
W9.52 → W12.7
W12.7 → W9.52
W12.7 → W15.88
W6.35 → W9.52
W9.52 → W15.88
A
Diameter AmmDiameter B
mm
W9.52
W12.7
W12.7
W6.35
W9.52
B
W12.7
W9.52
W15.88
W9.52
W15.88
<Reference>
Conversion formula
1/4 inch
3/8 inch
1/2 inch
5/8 inch
3/4 inch
W6.35mm
W9.52mm
W12.7mm
W15.88mm
W19.05mm
10
1111
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
CCopyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.
Distributed in Feb. 2010 No.OCB468 PDF 5
Made in Japan
New publication, effective Feb. 2010
Specifications subject to change without notice
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