York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 55)

Outdoor

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C. Low-pressure accumulator: In the partial load, the excrescent refrigerant will be storage in

this equipment and decrease the load and power input.

D. Four-way valve: It is only available for cooling and heating system and change the refrigerant

flow direction.

E. Check valve: It is only available in cooling mode to form a refrigerant loop.

F. Electronic expansion valve: It is only available in heating mode to control system’s

superheating and function as a capillary tube to decrease the refrigerant pressure and function

as throttle.

G. Electronic expansion valve: According to the capacity requirement of indoor unit adjust the

refrigerant flow volume.

H. High-pressure switch: Switches trip when preset pressure exceeds 3.3 +/-0.1MPa, thus

stopping operation.

L. Low-pressure switch: Switches trip when the suction pressure is lower than 0.15+/-0.1MPa,

thus stopping operation.

M. Oil separator: Device that collected oil discharged from the compressor and returns it to the

compressor via oil return capillary. Also function as reservoir for holding exceeds oil.

N. Oil return capillary: Function as a way for discharged oil return to the compressor.

O. Outdoor heat exchanger: Exchange the heat with outdoors ambient

P. Indoor heat exchanger: Exchange the heat with indoor ambient

Q. Muffle and Filter: Decrease the noise and avoid other things blocked the indoor unit EXV.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 384 385

TECHNICAL SERVICE MANUAL 1
Part I General Information 5
Contents 18
Part 3 Outdoor 27
YDS-100WC15/35 50
YDS-140WC15/35 50
A 624 1030 52
B 55 52
C 1030 52
Part 4.1 Four-way cassette 72
Piping: 8m (horizontal) 79
Notes: 80
YDS-28-80KC 230 170 89
YDS-90-140KC 300 190 89
Indoor unit H(mm) 90
YDS-28-80KC ≥260 90
YDS-90-140KC ≥300 90
YDS-22-56GC ≥280 90
- 100 101
- 101 102
Part 4.2 Wall Mounted 103
- 103 104
- 104 105
- 105 106
- 106 107
- 107 108
3. Capacity table 109
- 109 110
- 110 111
- 111 112
- 112 113
- 114 115
- 115 116
- 116 117
- 117 118
YDS-45-56EC/HC 119
- 119 120
- 120 121
- 121 122
- 122 123
- 123 124
- 124 125
- 125 126
- 126 127
- 127 128
- 128 129
- 129 130
- 130 131
- 131 132
- 132 133
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- 139 140
- 140 141
- 141 142
- 142 143
- 143 144
- 144 145
- 145 146
- 146 147
- 147 148
- 148 149
- 149 150
- 150 151
Part 4.4 Medium ESP Duct 152
- 152 153
- 153 154
- 154 155
- 155 156
- 156 157
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- 227 228
- 229 230
- 232 233
- 233 234
- 234 235
- 235 236
- 237 238
- 238 239
Part 5 Installation 240
- 240 241
- 241 242
- 242 243
- 243 244
- 244 245
- 245 246
- 246 247
- 249 250
- 250 251
- 252 253
- 253 254
- 254 255
- 255 256
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- 270 271
- 271 272
- 272 273
- 273 274
- 275 276
- 276 277
- 277 278
- 278 279
- 279 280
Gr ounded wi r e 281
- 281 282
- 282 283
- 283 284
- 284 285
- 285 286
- 286 287
- 287 288
Part 6 Control System 289
- 289 290
- 290 291
- 292 293
- 293 294
- 295 296
- 298 299
- 299 300
- 300 301
- 301 302
- 302 303
- 303 304
- 304 305
- 305 306
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- 376 377
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- 378 379
- 379 380
- 380 381
- 381 382
- 382 383
- 383 384
Form No. 035M00457-000 385
2009 Johnson Controls, Inc 385

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York Floor Ceiling R-410A 50Hz Service Manual Page 55

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