R32 50Hz Universal Outdoor Series Technical Manual
GD Chigo Heating & Ventilation Equipment Co., Ltd.
7.3 CTB-36HVR4, CTB-36HVR4S ................................................................................................... 69
7.4 CTB-48HVR4, CTB-48HVR4S, CTB-55HVR4S ........................................................................ 69
8. Electric Characteristics ............................................................................................... 70
9. Accessories .................................................................................................................. 71
10. The Specification of Wiring ...................................................................................... 72
11. Field Wiring ................................................................................................................... 73
12. Exploded View .............................................................................................................. 74
12.1CTA-18HVR4, CTA-24HVR4 ..................................................................................................... 74
12.2 CTB-36HVR4, CTB-36HVR4S ................................................................................................. 76
12.3 CTB-48HVR4, CTB-48HVR4S, CTB-55HVR4S ...................................................................... 77
13. Trouble shooting ........................................................................................................... 79
13.1 Fault codes table ...................................................................................................................... 79
13.2 Spot check .......................................................................................................... 80
Floor & Ceiling ......................................................................................................... 81
1 Features ......................................................................................................................... 82
2 Specifications ................................................................................................................ 84
3 Dimensions .................................................................................................................... 88
4 Service Space ............................................................................................................... 89
5 Wiring Diagrams ........................................................................................................... 90
6. Capacity Table .............................................................................................................. 94
7 Electric Characteristics ................................................................................................ 98
8. Exploded View ............................................................................................................. 99
9 Accessories.................................................................................................................. 101
10 The Specification of Power ..................................................................................... 102
11 Field Wiring ................................................................................................................ 103
12 Troubleshooting ........................................................................................................ 104
12.1 Fault codes table .................................................................................................................... 104
12.2 Spot check ........................................................................................................ 105
Part 3 Outdoor Units .............................................................................................. 106
1 Specification ................................................................................................................ 107
2 Dimensions ............................................................................................................. 110
3 Service Space ............................................................................................................. 113
4 Wiring Diagrams ......................................................................................................... 114
5 Electric Characteristics .............................................................................................. 118
6 Operation Limits .......................................................................................................... 119
7.Sound Levels ............................................................................................................... 120
8. Exploded View ........................................................................................................ 121
8.1 COU-18HDR4 ........................................................................................................................... 121
8.2 COU-24HDR4 ........................................................................................................................... 123
8.3 COU-36HDR4 ........................................................................................................................... 125
8.4 COU-36HZDR4......................................................................................................................... 127
8.5 COU-48HZDR4, COU-55HZDR4 ............................................................................................. 129
9 Troubleshooting .......................................................................................................... 131
9.1 Single phase unit ...................................................................................................................... 131
9.2Three-phase unit........................................................................................................................ 133
Part 4 Installation ................................................................................................... 135
1. Precaution on Installation ......................................................................................... 136
2 Vacuum Dry and Leakage Checking ....................................................................... 137
3 Additional Refrigerant Charge ................................................................................... 139
4 Water Drainage ........................................................................................................... 140
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