HTW -FST3-O-160A9 Manual De Usuario E Instalacion página 35

Installation of outdoor unit
Step four: connect indoor and outdoor pipes
1. Remove the front side plate or handle.
2. Remove the screw cap of valve and
aim the pipe joint at the bellmouth of
pipe.
liquid pipe
liquid valve
Step five: connect outdoor electric wire
1. Remove the wire clip; connect the power connection wire and signal control wire
(only for cooling and heating unit) to the wiring terminal according to the color;
fix them with screws.
2. Fix the power connection wire and signal control wire with wire clip (only for
cooling and heating unit).
Note:
●
After tightening the screw, pull the power cord slightly to check if it is firm.
●
Never cut the power connection wire to prolong or shorten the distance.
handle
3. Pretightening the union nut with hand.
4. Tighten the union nut with torque
gas pipe
gas valve
L1 L2 L3 N
brown black violet blue yellow-
green
L1 L2 L3 N
POWER
33
pipe joint
wrench by referring to the sheet
below.
Hex nut diameter
Φ 6
Φ 9.52
Φ 12
Φ 16
Φ 19
L1 L2 L3 N
brown black violet blue yellow-
green
Indoor unit connection
union nut
Tightening torque
(N . m)
15~20
30~40
45~55
60~65
70~75