Heat Controller A-HMC09AS Service Manual page 30

Bundle the piping and drain hose together by wrapping
them with cloth tape over the range within which they fit
into the rear piping housing section.
Drain hose
8. Reroute the pipings and the drain hose across the
back of the chassis.
Piping for
passage through
piping hole
9. Set the pipings and the drain hose to the back of
the chassis with the tubing holder.
Hook the edge of tubing holder to tap on chassis and
push the bottom of tubing holder to be engaged at the
bottom of chassis.
Tubing holder
2
10. Indoor unit installation
Remove the spacer.
Ensure that the hooks are properly seated on the instal-
lation plate by moving it left and right.
Press the lower left and right sides of the unit against the
installation plate until the hooks engage into their
slots(clicking sound).
Pipe
Vinyl tape
(narrow)
Wrap with
vinyl tape(wide)
1 Hook
Push
Connecting
cable
Drain hose
3) Connection of the pipes-Outdoor
1. Align the center of the pipings and sufficiently
tighten the flare nut by hand
2. Finally, tighten the flare nut with torque wrench
until the wrench clicks.
When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the arrow on
the wrench.
Capacity
(Btu/h)
9K
12K
18K
24K
Outdoor unit
Outdoor unit
- 30 -
Pipe Size[Torque]
GAS LIQUID
1/2"[5.5kg.m] 1/4"[1.8kg.m]
1/2"[5.5kg.m] 1/4"[1.8kg.m]
5/8"[6.6kg.m] 1/4"[1.8kg.m]
5/8"[6.6kg.m] 3/8"[4.2kg.m]
Liquid side piping
(Smaller diameter)
Gas side
piping
(Bigger
diameter)
Torque wrench
Torque wrench