York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 244)

Installation

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1.6) Lay the indoor pipeline

Note: Collocate the air-outlet reasonably to prevent airflow short-circuit. Check the static

pressure whether in the allowable range. The air filters should be easy to unpick and wash. Do

pressure test on pipeline.

1.7) Heat-insulation

Procedure:

Note: For welding part, flare part and branch pip, heat-insulation work must be done after

finished the pressure test.

1.8) Install outdoor unit

Procedure:

Note: 1. Gutter must be set around the foundation to drain the condensation water.

2. When installing outdoor units at the housetop, please check the strength of the

housetop and pay attention not to destroy the waterproof of the housetop.

1.9) Recharge refrigerant

Procedure:

Note: Please must use the correct formula that we supplied and the calculation results must be

correct.

1.10) Main points of test running and debugging

Please check the following issues before turning on the power:

1. Vacuum dry: make sure the vacuum degree accord with our requirement about 10-5.

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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
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- 125 126
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- 128 129
- 129 130
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- 143 144
- 144 145
- 145 146
- 146 147
- 147 148
- 148 149
- 149 150
- 150 151
Part 4.4 Medium ESP Duct 152
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Part 5 Installation 240
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Gr ounded wi r e 281
- 281 282
- 282 283
- 283 284
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- 285 286
- 286 287
- 287 288
Part 6 Control System 289
- 289 290
- 290 291
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- 298 299
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Form No. 035M00457-000 385
2009 Johnson Controls, Inc 385

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York Floor Ceiling R-410A 50Hz Service Manual Page 244

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