- 76 -
[ IV Remote Controller ]
GBHWE09120
-
Safety Precautions
2
-
Before installing the unit
5
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Before the test run
7
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CONTENTS
8
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Read Before Servicing
10
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[1] Read Before Servicing
12
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[3] Piping Materials
14
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Dimension A
15
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[4] Storage of Piping
16
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[5] Pipe Processing
16
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[6] Brazing
17
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[7] Air Tightness Test
18
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[9] Refrigerant Charging
20
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[ I Read Before Servicing ]
23
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Restrictions
24
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[1] System configuration
26
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Terminal
31
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[ II Restrictions ]
32
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Example of wiring connection
32
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(*4, *5)
34
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[4] Sample System Connection
35
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Interlock operation with
37
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Group Group
37
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M1 M2 M1 M2 M1 M2 M1 M2
41
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M1 M2 M1 M2
41
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M1 M2 M1 M2 M1 M2 M1 M2
43
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System controller
45
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Group Group Group
45
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GBHWE09120
49
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Unit: m [ft]
51
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165 [541] or less
51
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(Equivalent length 190
51
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[623] or less)
51
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Outdoor Unit Components
56
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(1) PUHY-P72, P96TJMU-A
58
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PUHY-P72, P96YJMU-A
58
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(2) PUHY-P120, P144TJMU-A
59
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PUHY-P120, P144YJMU-A
59
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(3) PUHY-P120, P144TJMU-A
61
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<HIGH VOLTAGE WARNING>
62
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(R1,R5) Note.2
63
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Transformer
64
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2. M-NET board
66
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4. Fan board
70
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5. Noise Filter
72
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(1) PUHY-P72TJMU-A
72
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Remote Controller
76
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[ IV Remote Controller ]
79
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Electrical Wiring Diagram
86
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<Symbol explanation>
88
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Refrigerant Circuit
94
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1. Outdoor unit
96
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(1) PUHY-P72, P96 models
96
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(2) PUHY-P120, P144 models
96
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273 t
98
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HWE09120 GB
100
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[ VI Refrigerant Circuit ]
101
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Clogged filter detection
108
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Initial vane position
108
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Switch setting timing
109
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(left) (right)
110
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Remote controller unit
110
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Rotary switch
110
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-1- Outline of Control Method
111
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-2- Startup sequence rotation
111
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-3- Initial Control
111
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-4- Control at Start-up
111
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-5- Bypass Control
112
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-7- Defrost Operation Control
114
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30 seconds
116
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[ VII Control ]
118
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(3) P312, P336, P368 models
119
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-13- Emergency Operation Mode
120
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-14- Operation Mode
122
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-15- DEMAND Control
123
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[3] Operation Flow Chart
124
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2. Operations in each mode
126
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(1) Cooling operation
126
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Test run mode
127
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Thermostat ON
127
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1 or 2
128
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Suction temperature
128
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18°C[64°F]
128
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Test Run Mode
130
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[2] Test Run Method
133
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Liquid
136
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Self-diagnosis swithes on TH4
137
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Self-diagnosis swithes on TH6
137
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Self-diagnosis swithes on TH3
137
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Self-diagnosis swithes on Tc
137
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OC, OS1, and OS2.)
138
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Troubleshooting
162
-
Outdoor unit
164
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Indoor unit
164
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Remote controller
164
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0403 (TJMU-A)
167
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0403 (TJMU-A) (Indoor unit)
167
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0403 (YJMU-A)
168
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0403 (YJMU-A) (Indoor unit)
168
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+0,-0.15
171
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4102 (TJMU-A)
179
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4102 (YJMU-A)
180
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(TJMU-A)
183
-
(YJMU-A)
186
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4230 (TJMU-A)
190
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4230 (YJMU-A)
191
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4240 (TJMU-A)
192
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4240 (YJMU-A)
193
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4250 (TJMU-A)
196
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4250 (YJMU-A)
197
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4260 (TJMU-A)
198
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4260 (YJMU-A)
198
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5110 (YJMU-A)
202
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5301 (TJMU-A)
203
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5301 (YJMU-A)
204
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Measure voltages of the
234
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Is the error code 7102
234
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[ IX Troubleshooting ]
236
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Flow chart
236
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Connector contact failure
238
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High pressure sensor
241
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Low pressure sensor
241
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Evaporating temperature Te
241
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Condensing temperature Tc
243
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[With transmission]
246
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[Without transmission]
246
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Vout 0.5 ~ 3.5 V
249
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Pressure 0 ~ 1.7 MPa [247psi]
250
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Vout 0.5 ~ 3.5 V
250
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-3- Solenoid Valve
251
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12345678 9 10
252
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12345678
256
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Thermistor
257
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(liquid piping
257
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Linear Expansion Valve
257
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Lead wire
258
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-6- Inverter (TJMU-A)
260
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Check point
266
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Row B to Row E
266
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Installation direction
266
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L1 L2 L3
268
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SC-USC-RSC-SSC-TTB-N(Note)
269
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-6- Inverter (YJMU-A)
270
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Between Terminals 1 and 2
275
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Between Terminals 3 and 4
275
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Not to be short-circuited
275
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(Center value 75 ohm)
275
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-7- Control Circuit (TJMU-A)
277
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1) PUHY-P72TJMU-A
279
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MA remote controller wiring
281
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(Non-polar 2 wire)
281
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Oudoor unit
281
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[5] Refrigerant Leak
283
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Compressor covers
286
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(right and left)
286
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7SEG LED
290
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Alternate display
291
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Day count
291
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LED monitor display
292
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Current data
292
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Error history
302
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Data on indoor unit system
309
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Setting data
316
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Other types of data
332
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Issued in Feb. 2010 HWE09120
334
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Printed in Japan
334
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