LG THERMA V AHNW16606B0, Руководство по установке, Страница: 22 / 65

Installation of Indoor Unit
22 Air-to-Water Heat Pump
Preparation of the refrigerant pipe
Prepare the pipe by following the below steps. Note that damaged joints of the pipe result in
leakage. Thus, create joints in accordance with the below regulations.
STEP 1: Cutting the pipe
• Use a pipe cutter which does not produce chips to cut the pipe.
• Determine the distance between the outdoor and indoor unit.
• Cut the pipes longer in order to ensure connecting the internal and external device normally.
STEP 2: Removal of chips
• Remove all chips from the part where the pipe was cut.
• Hold the pipe downward during cleaning so that the chips do not fall into the pipe.
A B
P16 Fill with waterproof polyurethane foam P20 Ribbed protective pipe min. ɸ 75
P17
Protective pipe for external sensors or
communication cables
P21
The ribbed protective pipe for the power
cable depends on the dimension of the
supply cable
P18
Copper pipe Cu – refrigerant grade
quality
P22 Ribbed protective pipe min. ɸ 150
P19 Insulation min. 13 mm.
1 Copper pipe 2 Inclined 3 Uneven 4 Rough