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6.2 Installation Method
1) Procedure
No.
Installation works
Descriptions
1
Preparation of tools and installation parts
Preparation of installation
2
Flaring the pipes
To insert the flare nuts, mounted on the connection
parts of both indoor and outdoor unit, onto the
copper pipes.
3
Pipe bending
To reduce the flow resistance of refrigerant.
4
Connection of installation parts
Connection of long piping
(elbows, socket etc)
5
Tighten the flare nut (outdoor)
Connecting the pipings of the outdoor unit.
6
Blowing the pipings
To remove dust and scale in working.
7
Tighten the flare nut (indoor)
Connecting the pipings of the indoor unit.
8
Check the gas-leakage of the connecting
part of the pipings.
9
Air purging of the piping and indoor unit
The air which contains moisture and which
remains in the refrigeration cycle may cause malfunction
on the compressor
10
Open the 3-way (liquid side) and
3-way (gas side) valves.
11
Form the pipings
To prevent heat loss and sweat
12
Checking the drainage (indoor unit)
To ensure if water flows drain hose of indoor unit.
13
Connecting the cable between outdoor and
Preparation of the operating
indoor unit
14
Connecting the main cable to outdoor unit
15
Supply the power to the crankcase heater
To prevent the liquid back to the compressor.
(before the operating the unit)
(Heat pump only)
16
Cooling operation, Heating operation
To confirm the operation of the unit.
(Use the remote controller or display of the indoor unit)
Summary of Contents for LP-E5020CL
Page 12: ... 12 3 LP E5020CL LP E5022CL CA WIRING DIAGRAM ...
Page 13: ... 13 4 LP E5022HL HA ...
Page 66: ... 66 10 ELECTRONIC CONTROL DEVICE 10 1 MAIN P C B ASM ...
Page 68: ... 68 11 1 Circuit and Troubleshooting 11 SCHEMATIC DIAGRAM ...
Page 71: ... 71 6 51 49 47 44 50 14 11 11 1 12 10 10 1 8 9 9 1 9 2 46 42 40 48 5 6 7 49 45 55 43 1 ...
