32
Step four: connect indoor and outdoor pipes
1. Remove the screw on the right
handle of outdoor unit and then
remove the handle.
2. Pretightening the union nut with
hand.
3.Tighten the union nut with
torque wrench by referring to the
sheet below.
Hex nut diameter
Tightening
torque (lbft)
Φ 1/4’’
13
Φ 3/8’’
30
Φ 1/2’’
40
Φ 5/8’’
48
Φ 3/4’’
48
Step five: connect outdoor electric wire
1. Remove the handle from the outdoor unit.
2. Fasten the power supply cord and the connection cord to the retaining
plate using the lock nut.(open the knock out holes if necessary)
3. Connect the power supply cord and the connection cord to terminal.
4. Fasten the power supply cord and connection cord with cord clamp.
5. Install the handle. The screws are packed with the terminal board.
Installation of outdoor unit
Indoor unit connection
POWER
N(1) 23
L1
L1
L2 G
L2
(blue)
white
(blue)
white
red
black (brown)
(brown)
black
(yellow-
green
green)
(yellow-
green
green)
lock nut
Finish
conduit