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Type
Name
Dimensions
Quantity
Indoor air return port
2130 mm x 1310
mm
1
Indoor air supply port
800 mm x 2000
mm
1
Water pipe
Spray water refill pipe
DN20
1
Spray drainpipe
DN40
1
Condensate drainpipe
DN20
2
Table 2-2 Physical ports of cable
Type
Name
Dimensions
Quantity
Power cable
Main power supply
AC1 input L1
1
AC1 input L2
1
AC1 input L3
1
AC1 input N
1
PE
1
Standby power supply
AC2 input L1
1
AC2 input L2
1
AC2 input L3
1
AC2 input N
1
PE
1
Cooling power supply
(AC1/AC2 is needed
generally. If the
compressor needs to be
supplied separately,
additional AC3 is
required.)
AC3 input L1
1
AC3 input L2
1
AC3 input L3
1
AC3 input N
1
PE
1
Teamwork
control/
monitoring/
external
reserved ports
AHU northbound
monitoring
RS485
1
AHU teamwork control
CAN1
1
AHU teamwork control
CAN2
1
Remote startup and
shutdown
DI_1
1
NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
2 Product Description
Issue 06 (2020-08-19)
Copyright © Huawei Technologies Co., Ltd.
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