Huawei NetCol5000-A035 Quick Manual page 16

Connecting the Outdoor Unit On/Off Signal Cable and Power Cable
7.2
Terminal 2
Terminal 1
Outdoor unit
power supply
1. For different outdoor units, the electric distribution is different, but the silkscreen is the same.
2. This figure shows how to route cables from the bottom. Cables can be routed from holes 1, 2, and 3 when
routing cables from the top.
3. Cables for the outdoor unit should be protected from water and sun exposure. Tubes are recommended for
the protection.
4. The outdoor unit cannot receive power from the indoor unit.
5. The outdoor unit on/off signal cable must connect to terminals 1 and 2. Do not connect the cable to other
terminals, otherwise, the outdoor unit control board would be burnt.
(Optional) Connecting Cables of the Low-temperature Component and
7.3
the Heater (Applied to NetCol500-A036)
1. Connecting the cable of the low-
temperature component
1. After crimping the power cable of the low-temperature component to terminals, fit it with the
corrugated pipe in the fittings bag, and then connect it to the electric control box of the outdoor unit.
2. It is recommended that cables be deployed in cable troughs.
Outdoor unit on/off
signal cable
Water sensor
Indoor unit
power supply
Heating cable
Ground bar in the
equipment room
2. Connecting the cable of the heater
M4 (8 PCS)
3 N•m
16
(1) Hole for routing
cables to the T/H
sensor
(2) Hole for routing
signal cables
(3) Hole for routing
power cables and
ground cable