Super Free Match
Service Manual
INSTALLATION
108
7.2
Requirements of Power Circuit and Cable
Frequency 50Hz
Outdoor unit
3Ph, 380
~
415V
Phase and voltage
BU module
1Ph, 220V
GWHD(48S)NM3CO
Recommended cable of outdoor unit
(Pieces × Sectional area)
GWHD(56S)NM3CO
5×2.5 mm
2
Recommended cable of BU module
(Pieces × Sectional area)
3×0.75 mm
2
Transmission line (Pieces × Sectional area)
2×1.5 mm
2
Recommended cable of indoor unit
(Pieces × Sectional area)
4×0.75mm
2
GWHD(48S)NM3CO 25A
GWHD(56S)NM3CO 25A
Capacity of the air switch
BU module
10A
Note:
The total length of the transmission line between the outdoor unit and the furthest BU module is not more
than 55m. Otherwise, the system cannot work possibility.
The specifications of the power cable and transmission line listed in the table above are determined based
on the maximum power (maximum amps) of the unit.
The specifications of the power cable listed in the table above are applied to the conduit-guarded
multi-wire copper cable (like, YJV copper cable, consisting of PE insulated wires and a PVC cable jacket)
used at 40 and resistible to 90
℃
℃
, and shall be at least those of ordinary polychloroprene sheathed cords
(code designation 60245 IEC 57). If the working condition changes, they should be modified according to
the related national standard.
The specifications of the air switch listed in the table above are applied to the breaker with the working
temperature at 40 . If the working condition changes, they should be modified according to the related
℃
national standard.
The length of the recommended power cable should be less than 15 meters; otherwise,
the diameter of the
power cable is not enough.
Mentioned power cable and transmission line length is just a reference value. It may be different
depending on the condition of installation, humidity or materials, etc.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
connected in fixed wiring.
7.3
Ground Requirements
The air conditioner is classified into the Class I appliances, so its ground ways must be reliable.
The ground wire must be fixed on the screw hole with the sign as the right figure.
The yellow-green wire of the air conditioner is the ground wire and must be fixed by the tapping screw.
And it cannot be used for other purpose or cut off. Otherwise, it will cause the hazard of electric shock.
The reliable ground terminal should be provided and the
ground
wire cannot be connected to any of the
following places: a.
Water pipe
; b. Coal gas pipe; c. Sewage pipe; d.
Lightning rod e. Telephone line f.
Other unreliable places considered by a professional.
7.4
Precautions of Electrical Wiring Work
The ground connection should be reliable and the ground wire should be connected to the dedicated
Summary of Contents for GKH(12)BA-K3DNA1A/I
Page 1: ...SUPER FREE MATCH SERIES SERVICE MANUAL T1 R410A 50Hz GC201405 CENTRAL AIR CONDITIONERS...
Page 5: ...Super Free Match Service Manual PRODUCT 1 PRODUCT...
Page 27: ...Super Free Match Service Manual CONTROL 23 CONTROL...
Page 28: ...Super Free Match Service Manual CONTROL 24 Control 1 OPERATION FLOWCHART...
Page 30: ...Super Free Match Service Manual CONTROL 26 1 2 Heating Operation...
Page 64: ...Super Free Match Service Manual INSTALLATION 60 INSTALLATION...
Page 122: ...Super Free Match Service Manual MAINTENANCE 118 MAINTENANCE...
Page 144: ...Super Free Match Service Manual MAINTENANCE 140 4 2 3 BU module FXB3A K...
Page 145: ...Super Free Match Service Manual MAINTENANCE N 141 FXB5A K...
Page 207: ...JF00301896...