33
INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Installation
: Calibration of airflow
en
Step
Action
2
Turn off the power supply to the unit and wait for ten seconds. Then turn the power
supply back on.
3
Activate Installation Mode by pressing Manual + Auto for 6 seconds.
After this, Fan Step 3 illuminates constantly.
NB: Installation Mode is active for one hour. In Installation Mode are bypass, pro-
tection against frost and compensation of filter flocculation switched off in order to
prevent interruption during balancing the unit on Fan Step 3.
4
Set a desired air flow rate according to national regulations, which corre-sponds to
the size and air usage of the house:
Step
Action
1
Write down the values of supply and exhaust air flow rates in the graph
above
2
Read and write down the corresponding pressure loss through the heat
exchanger
3
Balance the unit
4
Write down the settings of the two potentiometers in the table, later in
this procedure
Procedure,
continued
50
48
216
230
58
59
Summary of Contents for HCH 5 MKII
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