York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 19)

Unit selection base on cooling load

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1. Introduction

Refrigerant Power supply Model Capacity (kW)

YDS-100WC15A 10

YDS-140WC35A 14

1 Ph-220-240V-50Hz

YDS-100WC35A 10

YDS-140WC35A 14

R-410A

3 Ph-380-415V-50Hz

YDS-280WC35A 28

2. Unit selection (Based on Cooling Load)

2.1) Indoor unit selection

1. After calculated the heat load of rooms, according to the local weather parameter and

area, cubage, structure of rooms, selecting the nearest load capacity indoor units with given

load.

2. Selecting the proper indoor units should include the type of indoor units (Such as the

four-way cassette, duct and so on).

3. Pay attention to the requirements of customers and local corresponding design

standards.

CAUTION: The described capacity may be different from each indoor unit according to

combination. So the real capacity should be calculated with outdoor unit capacity table.

2.2) Outdoor unit selection

The allowable combination is described on the indoor combination total capacity index

table.

For the standard of the indoor unit and outdoor unit combination, select the nearest

value that the total indoor unit capacity index is less than 130% outdoor unit capacity index.

Indoor unit combination total capacity index.

Outdoor Units

Indoor unit combination

Outdoor Unit

130% 100% 90% 80% 70% 60% 50%

YDS-100WC15A 13 10(ISO) 9 8 7 6 5

YDS-140WA15A 18.2 14(ISO) 12.6 11.2 9.8 8.4 7

YDS-100WC35A 13 10(ISO) 9 8 7 6 5

YDS-140WC15A 18.2 14(ISO) 12.6 11.2 9.8 8.4 7

YDS-280WC35A 36.4 28(ISO) 25.2 22.4 19.6 16.8 14

Indoor units

Unit size 22 28 36 45 56 71 80 90 112 140 280

Capacity index (kW) 2.2 2.8 3.6 4.5 5.6 7.1 8.0 9.0 11.2 14.0 28.0

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 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
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- 138 139
- 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
- 157 158
- 158 159
- 159 160
- 160 161
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- 162 163
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- 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
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- 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
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- 380 381
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- 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 19

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