Huawei NetCol8000-C070 Quick Manual page 8

Connecting Water Inlet and Outlet Pipelines
3.6
1. Wrap thermal insulation foam around the whole pipes after pipes are connected.
2. Due to the hardening property of yellow adhesive, nitrogen injection and pressure preserve
should be operated 8 hours after the adapter is connected.
1. (Skip this step for upflow units.) Remove the baffle plate at the bottom of the cabinet, and
knock off the U-shaped hole in the baffle plate.
2. To avoid deforming the pipe, use a 75# open-end wrench to fix the pipe nut, use a 36#
open-end wrench to fix the plug, and then remove the plug.
3. Apply thread sealant evenly on the joints of external screw threads, and install the pipes
from inside out.
4. Use a 75# open-end wrench and an 18# pipe wrench to fix the pipes.
5. (Skip this step for upflow units.) Install the pipe baffle plate at the bottom of the cabinet,
and wrap the pipe and the baffle plate with thermal insulation foam.
Downflow
Upflow
7
The figure uses side
pipe routing as an
example. If bottom pipe
routing is used,
purchase right angle
elbows with DN50
outer threads onsite.