Air Purging And Leakage Test - Gree GWCN1407X2B8NK1BA Owner's Manual

Hide thumbs

Table Of Contents

Table of Contents

１．

Take out the nut cover of the inlet for refrigerant.

２．

Align the center of the piping and tighten the conical nut with hands.

３．

Tighten the conical nut with spanner.

４．

Take off the valve cover of liquid valve and gas valve and nut of Freon charge nuzzle.

５．

Loosen the valve stem of liquid valve with a hex wrench. Push the check valve core of

gas valve to discharge air and moisture remaining in refrigerant system.

６．

After 15 seconds, stop pushing the valve core as soon as the

refrigerant starts to be discharged, and reinstall the service port nut.

７．

Open the stem of liquid valve and gas valve completely. (As show in Fig. 12)

８．

Tighten the valve cover, use the soap water or leakage detector to test,

the outdoor unit and pipeline connection leak or not.

９．

If possible, adopt vacuum pump vacuum the air from the gas stem.

(As show in Fig.13)

Outdoor condensation drainage (Heat pump type only)

When the unit is heating, the condensing water

and defrosting water can be drained out reliably

through the drain hose.

Installation: Install the outdoor drain elbow in

hole on the base plate,and joint the drain hose to the

elbow, so that the waste water formed in the outdoor

unit can be drained out to a proper plate.

Installation service- Install outdoor unit