A
R410A tool: 0-0.5mm
Conventional tool: 1.0-1.5mm
5. Checking
To be flared perfectly circular.
Flare nut not missing.
Connecting the pipes
1. Tighten the flare nuts by hand for the first
3-4 turns.
2. Use two wrenches to tighten up the
pipes.
1
2
1 Flare body
2 Flare nut
3. Wind coating tape around refrigerant
pipes together with drain hose and elec-
trical cable for general.
1
1 Coating tape
– Lay the drain hose below the pipes.
– The thermal insulation should cover
both the GAS and LIQUID pipes as
shown below. As insulation, use poly-
ethylene foam 6 mm or thicker.
2
1
3
4
5
1 Gas
2 Insulation
3 Liquid
4 Drain hose
5 Electrical cable
1
1 1
2 2 2
3
3 3
OK OK OK
1 Gas
2 Liquid
3 Insulation
Air removal
Use an adapter for preventing vacuum pump
oil from flowing back to the gauge manifold
hose.
ON/OFF operation of the vacuum pump
should be made by the adapter switch.
1. Remove both valve shaft caps of the 2
and 3-way valves.
2. Remove the service port cap of the 3-
way valve.
3. Connect the gauge manifold hose to the
service port and the vacuum pump.
Be sure that the hose end to be connec-
ted to the service port has a valve core
pusher.
4. Open the gauge manifold valve and op-
erate the vacuum pump for 10-15 mi-
nutes.
Make sure the compound gauge reads
-76cmHg.
5. Close the gauge manifold valve.
6. Turn off the vacuum pump.
7. Fully open the 2-way valve with hexagon
socket screw key. (diagonally 4 mm)
Turn all the way up to contact.
10 electrolux
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