Panasonic CU-4E24RBU User manual

© Panasonic Corporation 2015
Order No: PAPAMY1505100CE
Air Conditioner
Outdoor Unit
CU-3E19RBU
CU-4E24RBU
Destination
U.S.A.
Canada
Please file and use this manual together with the service manual for Model No. CS-E9RKUAW CS-E12RKUAW CS-E18RKUAW,
CS-E24RKUAW, CS-ME7RKUA, CS-E12RB4UW, CS-E18RB4UW, CS-ME5RKUA, Order No. PAPAMY1501049CE,
PAPAMY1503094CE, PAPAMY1503095CE, PAPAMY1505112CE.
IMPORT
A
NT S
A
FET
Y
NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of
manufacturer.
!
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
PRECAUTION OF LOW TEMPERATURE
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.

194
18.2 CU-4E24RBU
Note
The above exploded view is for the purpose of parts disassembly and replacement.
The non-numbered parts are not kept as standard service parts.
I/I
I/I
5
39
57
52
50
43
44
61
62
2
55
49
48
23
33
47
3
45
19 17
18
21
26
27 34
35
36
37
38
20
51
53
58
86
79 40
32
41
74
28
31
10
16
1
60
59
13
12
58
54
58
8
956
6
7
4
22
78
14
25
24
87

195
SAFETY REF.NO. DESCRIPTION & NAME QTY. CU-4E24RBU REMARK
1 CHASSIS ASS'Y 1 CWD52K1364A
2 SOUND-PROOF BOARD 1 CWH151367
3 FAN MOTOR BRACKET 1 CWD54K1081
4 SCREW-BRACKET FAN MOTOR 3 CWH551217
5 CONDENSER COMPLETE 1 CWB32C3961
6 FAN MOTOR 1 L6CBYYYL0116 O
7 SCREW-FAN MOTOR MOUNT 4 CWH551323
8 PROPELLER FAN ASSY 1 CWH03K1075
9 NUT 1 CWH561092
10 COMPRESSOR 1 5KD240XAL21 O
12 BUSHING - COMPRESSOR MOUNT 3 CWH50055
13 NUT-COMPRESSOR MOUNT 3 CWH561049
14 CRANKCASE HEATER 1 CWA341098
16 ACCUMLATOR 1 CWB131064
17 3-WAYS VALVE (GAS) 1 CWB011769 O
18 3-WAY VALVE (LIQUID) 1 CWB011770 O
19 HOLDER COUPLING 1 CWH351262
20 STRAINER 1 CWB111062
21 STRAINER 4 CWB111081
22 EXPANSION VALVE 4 CWB051029 O
23 4-WAYS VALVE 1 CWB001057 O
24 DISCHARGE MUFFLER 1 CWB121042
25 HEATING PRESSURE SWITCH 1 CWA101013
26 FLARE NUT (1/4) 4 CWT251030
27 FLARE NUT (3/8) 4 CWT251031
28 SOUND PROOF MATERIAL 1 CWG302804
31 SOUND PROOF MATERIAL 1 CWG302801
32 SENSOR-COMPLETE (DISCHARGE TEMP SENSOR CN-DIS) 1 CWA50C3091 O
33 V-COIL CO. (4 WAY VALVE CN-HOT) 1 CWA43C2392 O
34 V-COIL CO. (EXPAND VALVE-WHITE CN-EV1) 1 CWA43C2587 O
35 V-COIL CO. (EXPAND VALVE-YELLOW CN-EV2) 1 CWA43C2588 O
36 V-COIL CO. (EXPAND VALVE-BLUE CN-EV3) 1 CWA43C2589 O
37 V-COIL CO. (EXPAND VALVE-RED CN-EV4) 1 CWA43C2590 O
38 SENSOR-COMPLETE (DEFROST TEMP SENSOR CN-TH2) 1 CWA50C3205 O
39 SENSOR-COMPLETE (OUTDOOR TEMP SENSOR CN-TH1) 1 CWA50C3206 O
40 SENSOR-COMPLETE (CN-TH4) 1 CWA50C3328 O
41 SENSOR-COMPLETE (CN-TH3) 1 CWA50C3329 O
43 ELECTRONIC CONTROLLER-MAIN 1 CWA73C9208R O
44 ELECTRONIC CONTROLLER (NOISE FILTER) 1 CWA73C8058 O
45 ELECTRONIC CONTROLLER (DISPLAY) 1 CWA747833 O
47 REACTOR 1 G0C602J00009 O
48 TERMINAL BOARD ASS'Y (L, N) 1 CWA28K1195 O
49 TERMINAL BOARD ASS'Y (1, 2, 3) 4 CWA28K1196 O
50 CONTROL BOARD COVER (TOP PCB) 1 CWH131613
51 CABINET REAR PLATE-COMPLETE 1 CWE02C1082
52 CABINET TOP PLATE 1 CWE03C1159
53 CABINET SIDE PLATE-COMPLETE 1 CWE04C1497

196
SAFETY REF.NO. DESCRIPTION & NAME QTY. CU-4E24RBU REMARK
54 CABINET FRONT PLATE-COMPLETE 1 CWE06C1510
55 CABINET SIDE PLATE 1 CWE041792A
56 CABINET FRONT PLATE-COMPLETE 1 CWE06C1511
57 WIRE NET 1 CWD041203A
58 HANDLE 2 CWE161021
59 TERMINAL COVER 1 CWH171039A
60 NUT - TERMINAL COVER 1 CWH7080300J
61 INSTALLATION INSTRUCTION 1 CWF616781
62 INSTALLATION INSTRUCTION 1 CWF616782
74 ACCESSORY CO. (DRAIN ELBOW) 1 CWG87C900
78 TUBE ASSY (LIQUID) 1 CWT029448
79 TUBE ASS'Y (GAS) 1 CWT029449
86 HOLDER-SENSOR 4 CWH321111
87 SOUND PROOF MATERIAL 1 CWG302802
(Note)
All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).
“O” marked parts are recommended to be kept in stock.
[PAPAMY] Printed in Malaysia
FY0515-0