York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 269)

Installation

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5. Processing &Installation of drainage pipe

5.1) Gradients and Supporting

5.1.1 Keep the drainpipe sloping downwards at a gradient of at least 1/100. Keep the drainpipe

as short as possible and eliminate the air bubble.

5.1.2 The horizontal drainpipe should be short. When the pipe is too long, a prop stand must be

installed to keep the gradient of 1/100 and prevent bending. Refer to the following table for the

specification of the prop stand.

Diameter Distance between the prop stands

Hard PVC pipe 25~40mm 1.5~2m

5.1.3 Precautions

5.1.3.1 The diameter of drainpipe should meet the drainage requirement at least.

5.1.3.2 The drainpipe should be heat-insulated to prevent atomization.

5.1.3.3 Drainpipe should be installed before installing indoor unit. After powering on, there is

some water in water-receiver plate. Please check if the drain pump can act correctly.

5.1.3.4 All connection should be firm.

5.1.3.5 Wipe color on PVC pipe to note connection.

5.1.3.6 Climbing, horizontal and bending conditions are prohibited.

5.1.3.7 The dimension of drainpipe can’t less than the connecting dimension of indoor drainpipe.

5.1.3.8 Heat-insulation should be done well to prevent condensation.

5.1.3.9 Indoor units with different drainage type can’t share one convergent drainpipe.

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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
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- 117 118
YDS-45-56EC/HC 119
- 119 120
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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
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Part 6 Control System 289
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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 269

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