Materials; Optional) Refrigerant R410A - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
c: The pressure gauges and rubber hoses must be dedicated for R410A. The
measuring range of the pressure gauges must be at least 4.0 MPa, and the
rubber hoses must withstand a pressure of at least 4.5 MPa. Ensure that the
rubber hoses match the 1/4 inch needle valves inside the unit. If necessary,
prepare needle valve adapters. When charging refrigerant, you are advised to
use a safety valve to prevent refrigerant leakage during the removal of a rubber
hose, which may cause frostbite.
d: dry nitrogen

4.3 Materials

Table 4-1 Material description
Item
Standard
material
Auxiliary
material
Optional
material
Engineering
purchase
material

4.3.1 (Optional) Refrigerant R410A

● Do not use low-quality refrigerant. The supplier is not responsible for any
device damage caused by low-quality refrigerant.
● Refrigerant has been filled in the NetCol8000-E220DM0AA before delivery. You
do not need to fill it onsite. 12 kg of refrigerant has been prefilled in the
NetCol8000-E220DM0BA before delivery. You need to fill 4 kg of refrigerant (2
kg for each compressor system) onsite.
Verify that the refrigerant is authentic in the following ways:
Issue 10 (2024-01-30)
Description
This type of materials is
delivered with the unit and
can be obtained from the
fittings bag.
Customers can purchase this
type of materials from the
supplier or other vendors.
Customers can purchase this
type of materials from the
supplier based on application
scenarios.
Customers need to purchase
this type of materials by
themselves.
CA UTION
Copyright © Huawei Digital Power Technologies Co., Ltd.
4 Installation Guide
Type
Materials in the packing list
Power cable, teamwork cable,
and monitoring cable
T/H sensor, smoke sensor,
water sensor, conductivity
sensor, and air damper (2–10 V
DC control)
Drainpipe, water refill pipe,
pipe support, air duct, power
cable terminal, equipotential
ground lug or cable, and
refrigerant
40