Piping Connection-Indoor Unit; Heat Insulation - Electrolux EXM18HV1W Manual De Instalación

step 6: Piping Connection - indoor Unit
A: Connecting the indoor unit tubing to the
connection piping:
• Align the centers of the pipes and sufficiently
tighten the flare nut with your hands first.
Indoor unit tubing
Spanner
wrench
Torque
Indoor unit
tubing
• Then tighten the flare nut with spanner and
torque wrench by referring the following:
Outer diam.
Torque
(mm)
Ф6.35 (1/4") 15.7 (1.6kg.m) 19.6 (2.0kg.m)
Ф9.52 (3/8") 29.4 (3.0kg.m) 34.3 (3.5kg.m)
Ф12.70 (1/2") 49.0 (5.0kg.m) 53.9 (5.5kg.m)
Ф15.88 (5/8") 73.6 (7.5kg.m) 78.6 (8.0kg.m)
caution
Excessive torque can break the nut depending
on installation conditions.
Flare nut Pipings
Torque
wrench
Spanner (fixed)
Flare nut
Pipings
Additional
(N.m) Torque (N.m)
B: Wrap the insulation material around the
connecting portion:
• Cover the indoor unit pipe and the connection
pipe with the heat insulation material. bind
them together with vinyl tape so that there is
no gap.
Cable ties
• Ensure to Isolate separately the suction pipe
from the liquid pipe.

Heat insulation

Suction line
pipe
• Wrap the insulated pipes with vinyl tape in the
rear section for pipe housing. Fasten the power
cable to the pipes with vinyl tape.
Connection pipe
Vinyl tape
(wide)
Connection
cable
• Wrap the piping, drain hose and power
cable tightly with vinyl tape so that they can
fit into the rear piping housing section.
Insulation
material
Liquid line
pipe
Indoor Unit
pipe
Wrap with vinyl tape
Pipe
Vinyl tape
(narrow)
15