York Floor Ceiling R-410A 50Hz Service Manual download pdf (Page 295)

Controller

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10. CN5，Transformer input（TRANS IN），220V input.

11. CN4 PWM OUT. Modulate the digital scroll compressor capacity.

12. CN3 Output the control signal to control the four-way valve, digital scroll and fixed-speed

compressor, 220V output

13. CN2 —Outdoor High/Low fan speed. Use 12V DC to drive relay to output 220V AC.

14. CN1 Transformer output

15. CN15 —Outdoor EXV. When powering on for the first time, the EXV will close totally then

open 350p staying in the waiting and open to a fixed degree according to the requirement after

the compressor operated.

Malfunction Code of Outdoor unit

Display Malfunction or Protection

E1 Phase sequence error

E2 Communication malfunction between indoor/outdoor units

E3 T3 temperature sensor malfunction

E4 T4 temperature sensor malfunction

E5 T5 temperature sensor malfunction

E6 Water-level alarm malfunction

P High pressure protection

P Low pressure protection

P Compressor current protection

P Compressor discharge temperature protection

P Condenser high temperature protection

1 2 ... 290 291 292 293 294 295 296 297 298 299 300 ... 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
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- 139 140
- 140 141
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- 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
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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
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- 295 296
- 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 295

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