Elenberg SPT-7090 - Инструкция (Страница 44)

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then use the wire clamp to fix the signal control wire, then connect the corre-
sponding connector.
4. Ensure if wire has been fixed well.
5. Install handle or front side plate.
NOTE:
• Wrong wiring may cause spare parts malfunction.
• After the cable fixed, make sure there should be a free space between the
connection and fixing place on the lead wire.
Air purging and leakage test
1. Connect charging hose of manifold valve to
charge end of low pressure valve (both high/
low pressure valves must be tightly shut).
2. Connect joint of charging hose to vacuum
pump.
3. Fully open handle of Lo manifold valve.
4. Open the vacuum pump to evacuate. At the
beginning, slightly loosen joint nut of low pres-
sure valve to check if there is air coming inside.
(If noise of vacuum pump has been changed,
the reading of multimeter is 0) Then tighten the nut.
5. Keep evacuating for more than 15 mins and make sure the reading of multi-
meter is -1.0 x 10 5 Pa (-76 cmHg).
6. Fully open high/low pressure valves.
7. Remove charging hose from charging end of low pressure valve.
8. Tighten bonnet of low-pressure valve. (As shown in Fig. 5)
Leak hunting
Use soap water or leak hunting meter to check
whether the joints is leak.
Outdoor condensation drainage
When the unit is heating, the condensing water
and defrosting water can be drained out reli-
ably through the drain hose.
Installation: Install the outdoor drain elbow in
ø25 hole on the base plate, and joint the drain
hose to the elbow, so that the wastewater
formed in the outdoor unit can be drained out
to a proper place.