Huawei NetCol5000-A User Manual page 253

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Table A-1 Electric control box layout description
No.
A
B
Issue 01 (2017-07-27)
Name and Function
Side (1) Dual (2) Dual
view power power
of the switch switch
electri contactor contactor
a
c KM1 KM2
control
(5) Fuse (6) SPD
box
holder
Signal X301 (1)
cable
termin
(2)
al
block
(3)
(4)
(5)
(6)
(7)
(8)
X302 (1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
X303 (1)
(2)
(3)
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(3) Crankcase
heater relay
a
(7) AC
contactor
a
KM3
Outdoor unit
control
Smoke sensor
Port for
remote startup
and shutdown
Water
immersion
Outdoor unit
RS485 control
Dry contact
alarm 1
Dry contact
alarm 2
Reserved
Differential
pressure
transmitter
(DPT)
A Electric Control Box Layout
(4) Electric heater contactor
KM4
-
Outdoor unit control dry
contact
Outdoor unit control dry
contact
Smoke sensor power supply (12
V DC)
Smoke sensor feedback
Port for remote startup and
shutdown+
Port for remote startup and
shutdown-
Water leakage detection-
contact 1 (water leakage in the
floor)+
Water leakage detection-
contact 1 (water leakage in the
floor)-
RS485-SW+
RS485-SW-
GND-ISO
Dry contact alarm 1
Dry contact alarm 1
Dry contact alarm 2
Dry contact alarm 2
-
DPT 12 V DC
DPT GND
DPT 0–5 V feedback
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