Huawei NetCol5000-A050 Quick Manual page 11

No. Name
1 Gas pipe
2 Liquid pipe
3 Drainpipe
4 Humidifier
water inlet pipe
a) Weld the refrigerant pipes (gas pipe and liquid pipe).
Avoid damaging the device during welding. Take protective measures around the welding

position, such as spreading wet cloth.
The following describes how to weld refrigerant pipes if pipes are routed from the bottom of

the indoor unit. Welding other refrigerant pipes does not involve removing the bottom plate of
the cabinet and handling holes.
Description
Connection relationship of gas pipe ports:
Without a low temperature component: Indoor unit > Outdoor unit

With a low temperature component: Indoor unit > Low temperature

component > Outdoor unit
Connection relationship of liquid pipe ports:
Without a low temperature component: Indoor unit > Outdoor unit

With a low temperature component: Indoor unit > Low temperature

component > Outdoor unit
Connecting to the drainage system
With a wet film humidifier: connecting to the engineering pipe
Cable hole sealing
Bottom Pipe Routing
Thermal
insulation
foam:
thickness
≥ 9.2 mm
10