NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
3 Installation Guide
Issue 05 (2019-12-20)
Copyright © Huawei Technologies Co., Ltd.
27
Name, Specifications, and Appearance
Reducing valve
c
Vacuum pump
d
Water pipe thread
sealant
e
N/A
N/A
a: Pressure gauge and leather hose: dedicated to R410A, pressure gauge measurement
range ≥ 4.0 MPa, and the leather hose tolerance range ≥ 4.5 MPa. The size of needle valve
in the unit is 1/4 inch. Purchase a conversion adapter if you have a different size of valve
on leather hoses.
b: Dry nitrogen.
c: Nitrogen reducing valve: A reducing valve must be installed on the head of the nitrogen
cylinder, and the reducing valve range ≥ 4.0 MPa.
d: Vacuum pump airflow: 2-4 L/s, absolute vacuum: ≤ 60 Pa.
e: For equipment with humidifiers, ensure that the following requirements are met:
Applicable to all pipe materials
Anaerobic metal pipe thread sealant with PTEF as the padding
Maximum gap: 0.5 mm
Pressure resistance: above 1.6 MPa
Compliant with the industry standard JB∕T7311-2008
Technical Specification for the
Application of Anaerobic Glue in Engineering Machinery
.
3.2 Materials
3.2.1 (Optional) Refrigerant R410A
Do not use low-quality refrigerant. Huawei is not responsible for any damage caused by
low-quality refrigerant.
Follow these suggestions to choose high-quality refrigerant:
1.
Use high-quality brands such as DuPont, Daikin, or Honeywell.
