Huawei NetCol5000-A025 - Page 304

Table A-1 Electric Control Box Layout
NO. Name and Function
A Front view
of the
electric
control box
(1) Main
power
supply port
(AC1)
(2) Backup
power
supply port
(AC2)
(3) Main
contactor
control
switch
(MD1)
(4) Backup
contactor
control
switch
(MD2)
(5) Circuit
breaker
(QF3) for
the
outdoor
unit and
compressor
(6)
Heating
and
humidicat
ion circuit
breaker
(QF4)
(7)
Compresso
r, PSU
power port
(X101)
(connectio
n is not
required
onsite)
(8) Electric
heating
and
humidicat
ion power
port
(X102)
(connectio
n is not
required
onsite)
(9) Signal
port
(X103)
(connectio
n is not
required
onsite)
(10)
Outdoor
unit power
(AC3)
(11) Fuse
(FU1 oil
belt fuse,
Contactor
fuse FU2
and FU3)
N/A
B Signal
cable
terminal
block
X301 1 Outdoor
unit
control
Outdoor
unit
control dry
contact
2 Outdoor
unit
control dry
contact
3 Smoke
sensor
Smoke
sensor
power
supply (12
V DC)
4 Smoke
sensor
feedback
5 Port for
remote
startup and
shutdown
Port for
remote
startup and
shutdown+
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) A Electric Control Box Layout
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 294