–25–
Install the connection pipe
1. Align the center of the piping lare with the relevant valve.
2. Screw in the flare nut by hand and then tighten the nut with
spanner and torque wrench.
Note: Exceeding tightening torque will damage the
flare surface. Tightening torque table
Hex nut diameter (mm)
Ø6
Ø9.5
Ø12
Tightening torque (N.m)
15 – 20
31 – 35
50 – 55
Electric wiring connection
1. Disassemble the front-side plate.
2. Remove the tailings of the wiring hole on the right-side plate and install the wire ring in the hole.
3. Route the wiring into the outdoor unit through the wire ring.
4. Connect the power connection cord to the wiring terminal board with screws, make sure that the wiring connection
is in accordance with the indoor unit’s and the earth wire must be connected securely.
5. For the heat pump type, connect the control cord (5x1.0) to the outdoor unit through the relevant interface.
6. Fix the wiring with wire clamps.
7. Fix all the wires on the right-side plate with the clasp welded on the plate to avoid the wires from touching with
the compressor. (Shown in Fig. 6)
8. Reassemble the front-side plate.
WARNING
Wrong wiring connection will cause malfunction, electric shock or fire.
Do not pull the wire forcefully when fixing it with wire clamp.
Install the outdoor unit
Terminal-Wire table
Terminal
N(1)
2
3
Wire
Blue
Brown
Red
Yellow-Green
