Mounting The Indoor Unit; Tightening Connection - HTW A60CGN8PLUS Manuel De L'utilisateur

4.4

Mounting the indoor unit

Fix the wall mounting bracket to the wall using appropriate plugs and screws.
Make sure the wall mounting bracket is horizontal level.
Pay special attention to prevent overflow of the drain pan.
Hang the indoor unit on the wall mounting bracket.
two persons

4.5 Tightening Connection

Align the center of the pipes.
Sufficiently tighten the flare nut with fingers,
and then tighten it with a spanner and torque
wrench .
The protective nut is a one-time part, it
can not be reused. In case it is removed,
it should be replaced with a new one.
Outer Tightening
Additional tightening
diam. torque(N.cm)
1500
6.35
(153kgf.cm)
2500
9.52
(255kgf.cm)
4500
16
(459kgf.cm)
●
Excessive torque can break nut on installation conditions.
●
When flared joints are reused indoors,the flare part should be re-fabricated.
two persons
Fig.4-5
Bar
Copper pipe
torque(N.cm)
1600
(163kgf.cm)
2600
(265kgf.cm)
4700
Indoor unit tubing
(479kgf.cm)
Handle
Bar
Yoke
Cone
Clamp handle
Red arrow mark
Flare nut Pipings
CAUTION
12
two persons
Protective nut