e. Start the compressor and let it run for 10 minutes.
f.
Open the low-pressure gauge valve and refrigerant steel cylinder valve at
the joint of the gas pipe needle valve, and then charge refrigerant at the
gas pipe needle valve.
NO TICE
Do not move the hose or refrigerant cylinder when charging refrigerant.
Otherwise, the reading on the electronic balance will be affected.
g. Charge liquid refrigerant, as shown in
.
h. After the refrigerant is charged, close all pressure gauge valves and the
refrigerant cylinder valve.
i.
Remove the refrigerant charging device and install the needle valve nuts.
NO TE
Tighten the needle valve nuts when the charge is complete. Check whether a needle
valve leaks by applying soapy water to the valve vent or using a halogen leak detector.
If it leaks, contact Huawei technical support.
Figure 5-8 Charging refrigerant
(1) Refrigerant cylinder
(2) Electronic balance
(3) Pressure gauge
(4) Connection nut
(5) Gas pipe needle valve
(6) Liquid pipe needle valve
3. On the Diagnostic Mode Parameters page, set Comp manual control to 0
rpm.
Step 8 On the Diagnostic Mode Parameters page, set Outdoor fan man ctrl to 50%,
and click Submit.
1. Check that the outdoor fan operates properly, without alarms.
2. On the Diagnostic Mode Parameters page, set Outdoor fan man ctrl to 0%,
and click Submit.
FusionModule800 Smart Small Data Center
User Manual
5 Power-On Commissioning
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
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