12
Indoor Unit
Installation
Checking the Drainage
1. Set the air direction louvers up-and-down to the
position(horizontally) by hand.
To check the drainage.
1. Pour a glass of water on the evaporator using a ket-
tle.
2. Ensure the water flows through the drain hose of the
indoor unit without any leakage and goes out the
drain exit.
Drain piping
1. The drain hose should point downward for easy
drain flow.
2. Do not make drain piping like the following.
Downward slope
Do not raise
Accumulated
drain water
Tip of drain hose
dipped in water
Air
Waving
Water
leakage
Water
leakage
Ditch
Less than
50mm gap
Water
leakage
Terminal Block Indoor
1(L)
2(N)
3
4
INDOOR POWER INPUT
Indoor
unit
Outdoor
unit
Central
controller
A
B
E
F
C
D Vcc GND
Main
outdoor unit
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.
Wiring Connection
WARNING : Make sure that the screws of the terminal are free from looseness.