York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 259)

Installation

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 Min. inserting depth and clearance between connectors. Unit: mm

Out .Diameter. (D) Min. Inserting depth (B) Clearance (A~D)

5＜D＜8

8＜D＜12

0.050~0.21

11＜D＜16

16＜D＜25

0.050~0.27

25＜D＜35

35＜D＜45

0.050~0.35

4.6.3 Flare Connection

1) Before flaring, the auxiliary pipe must be annealed.

2) Use incision machine.

3) Dimension:

Shape Diameter O.D. A

3/8" 9.53

1/2" 12.7

0.05―0.21

5/8" 15.88

3/4" 19.05

0.05―0.27

4) Smear oil at flaring part.

♦ Be careful to get rid of burr.

♦ Use two torques.

♦ Use proper torque to fasten nut.

Torque

Dimension

(kgf ·m) (N·cm)

1/4"(Φ6.4) 144―176 1440―1720

3/8"(Φ9.5) 133―407 3270―3990

1/2"(Φ12.7) 504―616 4950―6030

5/8"(Φ15.9) 630―770 6180―7540

3/4"(Φ19.0) 990―1210 9270―11860

4.6.4 Laying

1) Laying the refrigerant pipes

♦ Mark the system clearly in every distance to prevent wrong connection.

♦ The plane where the two branches locate should be parallel to the horizontal plane, or the

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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
- 124 125
- 125 126
- 126 127
- 127 128
- 128 129
- 129 130
- 130 131
- 131 132
- 132 133
- 133 134
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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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- 238 239
Part 5 Installation 240
- 240 241
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- 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
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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 259

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