Refrigera
nt Charge
Amount
Length
of the
One-
Way
Connecti
on Pipe
Between
the
Indoor
and
Outdoor
Units (L)
NetCol500-
A060
(NetCol500-
A120)
NetCol500-
A060 with
a Low
Temperatur
e
Component
NetCo
l500-
A080
NetCol500-
W055
Charge
amount
(kg) =
Standard
charge
Extra
charge
amount
10 m < L
≤ 60 m
9.2 + (L – 10)
x 0.19
20.2 + (L –
10) x 0.19
13.2 +
(L –
10) ×
0.19
10 + (L – 10)
× 0.21
Charge
amount
(kg) =
Standard
charge
Extra
charge
amount
60 m < L
≤ 100 m
9.2 + (L – 10)
x 0.25
20.2 + (L –
10) x 0.25
13.2 +
(L –
10) ×
0.25
10 + (L – 10)
× 0.28
NO TE
When the outdoor unit is NetCol500-A120, two indoor units can be connected.
6.1.2 Vacuumizing
Prerequisites
NO TICE
● Before vacuumizing the cooling system, ensure that the refrigerant pipes have
passed the air tightness test and do not leak.
● Before vacuumizing the cooling system, ensure that all connectors are secured.
● System high pressure may occur if the cooling system is not vacuumized or is
not thoroughly vacuumized. Ensure that the cooling system is thoroughly
vacuumized before refrigerant is charged.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
6 Power-On Commissioning
Issue 08 (2021-09-17)
Copyright © Huawei Technologies Co., Ltd.
122
