Vacuumization - Huawei FusionModule800 Installation Manual

FusionModule800 Smart Small Data Center
Installation Guide (Six Fans)
Applicable No.
Scenario
3
4
10

3.7.10 Vacuumization

Prerequisites
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Context
Tools: pressure gauge (measuring range ≥ 4.0 MPa), leather hose (withstanding a pressure of
at least 4.5 MPa), vacuum pump.
Issue 10 (2019-12-20)
Cable From
Name
.
Outdoor L
unit power (converged
cable cabinet
XT4-1,
XT4-2, and
XT4-3
correspond
to outdoor
units 3, 2,
and 1,
respectively
.), N bar,
PE bar
Signal X2.1, X2.2,
cables for and X2.3
the indoor ports on the
and outdoor indoor unit
units
T/H sensor T/H sensor
cable
Check that all pipe connectors are correct, and the refrigerant pipe tilts and has supports.
All pipes have been checked for leaks, and all pipes are not bent by a large angle.
Check that the hose clamps and cable ties of the drainpipe are secured. Water pipe joints
have been sealed by sealant.
The refrigerant pipe and water pipe are wrapped with thermal insulation foam.
Check that all nitrogen has been exhausted from the indoor unit.
Ensure that stop valves for the gas pipe and liquid pipe of the indoor unit are open.
Verify that stop valves for the gas pipe and liquid pipe of the outdoor unit are closed.
Copyright © Huawei Technologies Co., Ltd.
To Cable
Specifications
L, N, and 3 x 6 mm
ground ports on
the electric
control box of
the outdoor unit
P, Q, and E 3 x 16 AWG,
ports on the with the shield
electric control layer that can be
box of the grounded
outdoor unit
RS485/12 V Two shielded
port on the twisted pairs, 26
smart cooling AWG
product control
unit
3 Hardware Installation
Remarks
2
Connected onsite
Connected onsite
Connected onsite
102