AERMEC MGH R410A Manuel D'installation page 13

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
10. Indoor unit installation
Remove the spacer.
Ensure that the hooks are properly seated on
the installation 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)
Connecting
cable
Drain hose
10
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.
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
Ø19.05 3/4
Outdoor unit
Torque
mm
1.8
4.2
5.5
6.6
6.6
A-UNIT
Gas side piping
B-UNIT
Liquid side piping
Torque wrench