MRV Communications AE092FCAHA Manuale di Servizio Scaricare il pdf (Pagina 98)

(4) Pipe connection of the outdoor unit

Referring to the installation diagram in page 4, connect the indoor unit, outdoor unit,

branch pipe and electronic expansion valve together by using the pipe connection method and

welding method.

(5) Test of airtight quality

After connection of the refrigerant pipes, carry out airtight quality test. In this test,

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Service Manual 1
CONTENT 2
1. Nomenclature 3
AU242FHAHA AU242FHBHA 4
4. Character of Products 7
1) Calculation method 9
(AU242FHAHA / AU242FHBHA) 10
2 SPECIFICATIONS 11
2). 5HP outdoor unit (R407C) 12
Drop between I.U. and O.U 13
Drop between I.U. and I.U 13
4). Cassette type indoor unit 16
40/42/44 17
7). Cabinet type indoor unit 20
10). Console type indoor unit 22
30/37/39 24
R22 R407C 24
3 MECHANICAL DATA 25
Remote controller 26
Clock Set 27
Dial switch 28
OPERATING LAMP 29
3.2 Refrigerant Diagram 30
AU242FHAHA / AU242FHBHA 31
Gas pipe sensor 33
Indoor heat exchanger 33
Liquid pipe sensor 33
Electronic expansion valve 33
Power: 1PH, 50Hz, 220~240V 34
) 34
AU422FIAIA / AU422FIBIA 36
***AU482FIAHA 38
***AU48NFIAHA 39
4.1.2 Indoor unit 40
3) Model: AP182FAAHA 41
INDOOR PCB 42
0010570373 44
MP3 wiring diagram: 45
Indoor unit wiring diagram 46
4.2 Circuit Diagram 47
Model: expansion valve 48
MP3 circuit diagram: 54
Model: AP182FAAHA 55
4.2.2 Outdoor unit 59
Control PCB schematic 59
Power PCB schematic 60
AU24FAAHA/AU242FHBHA 61
Swing flap: 68
Send indoor unit 69
Operation State to 69
Tp FAN SPEED 72
7.1 Fault Codes 73
7.2 Troubleshooting 77
7.3 Example of repair 79
8.1 Piping dimensions chart 80
Y-shape manifold pipe 80
FQG-B180 81
H<=30m 85
AU42- AU48 86
8.4 Combination examples 86
AU42- AU48 86
E. 3 by one 88
F. 2 by one 88
A. model: AU42- ***AU48 89
B. model: AU24 90
Model: AB182FCAHA 91
Model: AC182FCAHA 92
Model: Wall mounted 92
Model: ceiling concealed 93
A. Choosing of pipes 97
B. Connection of pipes 97
(5) Test of airtight quality 98
8.10 Charging of refrigerant 100
8.11 Refrigerant 101
8.12 Electric wiring 102
Preelected number 105
Model of indoor unit 107
Tool necessary 108
Standard accessories 108
Manifold tube 109
Electric wiring : 110
Process of wire connections 110
Wiring diagram: 110
Wiring of indoor unit 110
Indoor Unit 114
[Other direction piping] 115
[Cautions] 115
Installation of indoor unit 116
Indoor unit 117
flexible joint 117
Fig1: Duct connected 117
Fig2: Duct return connected 117
Shielded wire 119
Drain pipe 120
! Caution 120
Installation Procedure 121
5.1 Installation tools 130
INSTALLATION INSTRUCTIONS 131
Parts list 140
AB092FCBHA / AB142FCBHA 148
AB182FCBHA 149
MODEL : AB092FCAHA AB142FCAHA 150
Model: AS092FMAHA AS092FMBHA 169
Sincere Forever 174

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MRV Communications AE092FCAHA Manuale di Servizio Pagina 98

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