instruction and operation manual ZHK NANO
36 / 116
V04-18
Recommended sealing material for threaded sleeves:
-
Water / glycol heat exchangers, use Teflon tape.
In these cases, hemp cannot be used as sealing material!
Connection pipes without thread:
If the connection pipes are executed without threads, then a mechanical, force-fitting connection
(STRAUB coupling) is recommended (
Figure 69
). This coupling could be included optionally in the
scope of delivery of EUROCLIMA, if not, then it must be provided on site. In order to avoid a dam-
age of the copper pipe of the heat exchanger due to mechanical force, a ring is used to reinforce
the copper pipe (
Figure 67
and
Figure 68
).
Figure 67:
copper pipe with reinforcing ring
Figure 68:
copper pipe with inserted reinforc-
ing ring
Figure 69:
STRAUB coupling
Figure 70:
mounted STRAUB coupling
Other types of connection, e.g. welding or soldering are not recommended by EUROCLIMA, be-
cause of risk of fire of neighboring materials. If one of those type of connection is chosen, the act-
ing assembler carries the responsibility.
The piping of the heat exchanger should hinder a for maintenance required expansion of the heat
exchanger as less as possible.
The connection of the heat exchanger is to execute as indicated on the label on the AHU (connec-
tion diagrams in
Figure 71
).
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