Huawei NetCol5000-A050 User Manual page 135

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Figure 6-3 Precharging refrigerant when no low temperature component is
configured
(1) Refrigerant cylinder
(4) Connection nut
Figure 6-4 Precharging refrigerant when a low temperature component is
configured
(1) Refrigerant cylinder (2) Electronic scale
(5) Connection nut
Step 2 Slightly open the refrigerant cylinder valve and loosen the connection nut of the
pressure gauge. Tighten the nut when cold air escapes out of the nut.
Step 3 Put the refrigerant cylinder upside down on the electronic scale. Clear the reading
on the balance.
Issue 08 (2021-09-17)
(2) Electronic scale
(5) Low-pressure needle valve (6) Exhaust pipe needle valve
(6) Low-pressure
needle valve
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6 Power-On Commissioning
(3) Pressure gauge
(3) Pressure gauge 1 (4) Pressure gauge 2
(7) Exhaust pipe (8) Liquid pipe needle
needle valve valve
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