Indoor unit
Fresh Air Intake Unit
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23
Indoor Units
11. Installation
11.5 Wiring Connection
Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly. For the heat pump model, put the
0.75mm
2
cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel.
WARNING : Make sure that the screws of the terminal are free from looseness.
INSULATION, OTHERS
Insulate the joint and tubes completely.
All thermal insulation must comply with local requirement.
THERMAL INSULATION
Make sure that there is no clearance here.
Overlap with thermal
insulator for piping.
Thermal insulator for refrigerant pipe
(Local supply)
Thermal insulator for
piping(Local supply)
Hose crip for thermal insulator(Local supply)
Union for liquid pipe
Refrigerant pipe and thermal
insulator(Local supply)
Union for gas pipe
Thermal insulator for refrigerant pipe
(Local supply)
Hose crip for thermal insulator
(Local supply)
L(L1)
L(L2)
INDOOR POWER INPUT
IDU
IDU
Outdoor unit Indoor unit
Central controller
SODU SODU
DRY1 DRY2 GND
INTERNET
12V
Outdoor unit
Terminal Block Indoor
3
4
Terminal Block Indoor
GN/YL
GN/YL
L(L1)
L(L2)
INDOOR POWER INPUT
Terminal Block Indoor
Terminal Block Indoor
3
4
Terminal Block Indoor
IDU
IDU
Outdoor unit Indoor unit
Central controller
SODU SODU
DRY1 DRY2 GND
INTERNET
12V
Outdoor
unit
BR(Chasiss)48K
B8(Chasiss)96K