LG LP-E5020CL Service Manual page 27

2) Preparation of installation parts and tools
No. Installation Parts, Tools
1 Flaring tool (Ø 6,35 - Ø 19,05)
2 Reamer
3 Pipe cutter (Max 35mm Copper pipe)
4 Wrench (H5, H4 hexagonal wrench)
5 Pipe bender
6 Leak detector
7 Manifold gauge
8 Charge-nipple
9 Vacuum pump
10 Charge cylinder balance
11 Bombe (Freon-22)
12 Spanner
13 Monkey spanner
14 Driver( ,
15 Benchi (150mm)
16 Tapeline
17 Core drill
18 Voltmeter, Amperemeter, Clampmeter
19 Insulation resistance tester
20 Glass thermometer
21 Copper tubes
22 Insulation material
23 Tape
24 Electrical leakage Breaker
25 Cable
26 Drain hose sockets, elbows
)
Flaring the pipes
Remove burrs from cut edges of pipes.
Cutting the pipings
To open the service valve
Bending the pipings
Check the gas-leakage of connecting part of the pipings
To measure the pressure, to charge the refrigerant
To connect the bombe
To remove the air in the pipe.
To measure the refrigerant amount
Gas charge
Air purge
Cleaning the pipe
To tighten the connecting parts of the pipings
Cutting the wires
To measure the length
To make holes through the concrete to wall and blocks
To measure the current and voltage
To measure the insulation resistance
To measure the intake and outlet air temperature of
the indoor unit
To use the connecting pipings
To cover the connecting pipings
To finish the connecting pipings
To shut off the main power
To connect the cable from outdoor unit to indoor unit
To remote the condensing water
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Use