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Les langues disponibles
Installation Method 3URFHGXUH
No.
Installation works
1
Preparation of tools and installation parts
2
Flaring the pipes
3
Pipe bending
4
Connection of installation parts
(elbows, socket etc)
5
Tighten the flare nut (outdoor)
6
Blowing the pipings
7
Tighten the flare nut (indoor)
8
Check a gas-leakage of the connecting
part of the pipings.
9
Vacuum drying of the piping and indoor unit
10
Open the 3-way (liquid side) and
3-way (gas side) valves.
11
Form the pipings
12
Checking the drainage (indoor unit)
13
Connecting the cable between outdoor
and indoor unit
14
Connecting the main cable to outdoor unit
Cooling operation
15
(Use the remote control or display of the
indoor unit)
Descriptions
Preparation of installation
To insert the flare nuts, mounted on the
connection parts of both indoor and
outdoor unit, onto the copper pipes.
To reduce the flow resistance of refrigerant.
Connection of long piping
Connecting the pipings of the outdoor unit.
To remove dust and scale in working.
Connecting the pipings of the indoor unit.
The air which contains moisture and which
remains in the refrigeration cycle may cause a
malfunction on the compressor
To prevent heat loss and sweat
To ensure if water flow drain hose of indoor unit.
Preparation of the operating
Installation of Unit
Installation Manual 9
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