Filling the primary circuit, venting it and checking its pres-
sure
!
Please note
To prevent equipment damage,
it is vital to prevent the com-
pressor from being started if
the primary circuit has not
been filled.
For this, pull the plug-in con-
nector from the compressor
(see page 91).
1. Only for commissioning:
Flush the primary circuit.
2. Only for commissioning:
Fill the primary circuit with heat
transfer medium "Tyfocor −15 °C"
and vent the circuit.
3. Check the primary circuit pressure.
The pressure should be approx. 2
bar.
4. Check and, if required, adjust the
pre-charge pressure of the dia-
phragm expansion vessel (see
page 106).
Further details regarding the individual steps (cont.)
102
Commissioning, inspection, maintenance
5592 969 GB
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