instruction and operation manual ZHK NANO
V04-18
35 / 116
Figure 64:
pushing and clamping of the fil-
ters to the rear wall
Figure 65:
check, if filter lie on the sealing
6 Installation
6.1 Heat
exchanger
connection
6.1.1 General
notes
Before connecting the heat exchanger, the piping system must be rinsed thoroughly.
An absolutely stress-free connection has to be ensured and the transmission of
vibrations and longitudinal expansion between the device and the piping system
must be safely prevented.
In order to avoid corrosion due to water, the requirements regarding water qual-
ity, professional installation, commissioning and maintenance of VDI 2035 sheet
2 have to be complied.
Connection pipes with thread:
To prevent damage of the heat exchanger connection, it is necessary to hold against with a pipe
wrench during the screwing (
Figure 66
).
Figure 66:
Holding against with a pipe wrench
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