Commissioning; Vacuumizing And Precharging Refrigerant; Refrigerant Charge Amount - Huawei NetCol5000-A User Manual

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual

4.1 Vacuumizing and Precharging Refrigerant

Ensure that no combustion-supporting materials (air or additives) enter the air conditioning
system during commissioning. Huawei shall not be liable for any risks and losses thus
incurred.

4.1.1 Refrigerant Charge Amount

Refrigerant R410A from name brands such as DuPont, Daikin, and Honeywell is
recommended.
Table 4-1 Refrigerant
Length of the
One-Way
Connection
Pipe Between
the Indoor and
Outdoor Units
(L)
L ≤ 10 m
10 m < L ≤ 60 m
60 m < L ≤ 100
m
Issue 01 (2017-07-27)
Refrigerant
Charge Amount
Standard charge
amount (kg)
Refrigerant charge
(kg) = Standard
charge +
Additional charge
Refrigerant charge
(kg) = Standard
charge +
Additional charge
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4

Commissioning

NetCol500 NetCol500-036
-036 Including a
Low-Temperat
ure Component
9.2 20.2
9.2 + (L – 20.2 + (L – 10) x
10) x 0.19 0.19
9.2 + (L – 20.2 + (L – 10) x
10) x 0.25 0.25
4 Commissioning
NetCol500-0
72
13.2
13.2 + (L –
10) x 0.19
13.2 + (L –
10) x 0.25
82