
CONTENTS
I
Read Before Servicing
[1] Read
Before
Servicing............................................................................................................ 3
[2] Necessary Tools and Materials .............................................................................................. 4
[3] Piping
Materials ...................................................................................................................... 5
[4] Storage
of
Piping .................................................................................................................... 7
[5] Pipe
Processing...................................................................................................................... 7
[6] Brazing ................................................................................................................................... 8
[7] Air Tightness Test................................................................................................................... 9
[8] Vacuum Drying (Evacuation)................................................................................................ 10
[9] Refrigerant
Charging ............................................................................................................ 11
[10] Remedies to be taken in case of a Refrigerant Leak............................................................ 11
[11] Characteristics of the Conventional and the New Refrigerants ............................................ 12
[12] Notes on Refrigerating Machine Oil...................................................................................... 13
II
Restrictions
[1] Types and Maximum allowable Length of Cables ................................................................ 17
[2] Switch Settings and Address Settings.................................................................................. 18
[3] Sample
System
Connection ................................................................................................. 23
[4] An Example of a System to which an MA Remote Controller is connected ......................... 24
[5] An Example of a System to which an M-NET Remote Controller is connected ................... 46
[6] An Example of a System to which both MA Remote Controller and M-NET Remote
Controller are connected ...................................................................................................... 50
[7] Restrictions on Pipe Length.................................................................................................. 53
III
Outdoor Unit / BC Controller Components
[1] Outdoor Unit Components and Refrigerant Circuit............................................................... 67
[2] Control Box of the Outdoor Unit ........................................................................................... 79
[3] Outdoor Unit Circuit Board ................................................................................................... 81
[4] BC Controller (Under the panel) ........................................................................................... 86
[5] Control Box of the BC Controller .......................................................................................... 88
[6] BC Controller Circuit Board .................................................................................................. 89
IV
Remote Controller
[1] Functions and Specifications of MA and ME Remote Controllers ........................................ 93
[2] Group Settings and Interlock Settings via the ME Remote Controller.................................. 94
[3] Interlock Settings via the MA Remote Controller.................................................................. 98
[4] Using the built-in Temperature Sensor on the Remote Controller...................................... 101
V
Electrical Wiring Diagram
[1] Electrical Wiring Diagram of the Outdoor Unit.................................................................... 105
[2] Electrical Wiring Diagram of the BC Controller................................................................... 109
VI
Refrigerant Circuit
[1] Refrigerant
Circuit
Figure ................................................................................................... 119
[2] Principal Parts and Functions............................................................................................. 126
VII
Control
[1] Functions and Factory Settings of the Dipswitches............................................................ 139
[2] Controlling the Outdoor Unit ............................................................................................... 148
[3] Controlling
BC
Controller.................................................................................................... 164
[4] Operation
Flow
Chart ......................................................................................................... 165
VIII
Test Run Mode
[1] Items to be checked before a Test Run.............................................................................. 179
[2] Test Run Method ................................................................................................................ 180
[3] Operating Characteristic and Refrigerant Amount.............................................................. 181
[4] Adjusting the Refrigerant Amount....................................................................................... 182
[5] Refrigerant Amount Adjust Mode ....................................................................................... 187
[6] The following symptoms are normal................................................................................... 191
[7] Standard Operation Data (Reference Data) ....................................................................... 192
Содержание PUHY-P168
Страница 11: ... 2 ...
Страница 23: ... 14 ...
Страница 25: ... 16 ...
Страница 38: ... 29 II Restrictions ...
Страница 42: ... 33 II Restrictions ...
Страница 46: ... 37 II Restrictions ...
Страница 50: ... 41 II Restrictions ...
Страница 54: ... 45 II Restrictions ...
Страница 58: ... 49 II Restrictions ...
Страница 75: ... 66 ...
Страница 99: ... 90 III Outdoor Unit BC Controller Components 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...
Страница 101: ... 92 ...
Страница 111: ... 102 ...
Страница 113: ... 104 ...
Страница 126: ... 117 VI Refrigerant Circuit 1 Refrigerant Circuit Figure 119 2 Principal Parts and Functions 126 ...
Страница 127: ... 118 ...
Страница 134: ... 125 VI Refrigerant Circuit 3 CMB P104 and P108NU GB sub TH25 TH22 LEV3a CP Solenoid valves Block Check valves Block ...
Страница 145: ... 136 ...
Страница 147: ... 138 ...
Страница 185: ... 176 ...
Страница 187: ... 178 ...
Страница 241: ... 232 ...
Страница 243: ... 234 ...
Страница 366: ... 357 IX Troubleshooting ...
Страница 367: ... 358 ...
Страница 368: ... 359 X LED monitor display on the outdoor unit board 1 How to read the LED on the service monitor 361 ...
Страница 369: ... 360 ...