Dantherm HCV 3 Installation And Service Manual page 52

How to balance the unit,
Procedure,
continued
50
continued
Step
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
After this, Fan Step 3 illuminates constantly.
NB: Installation Mode is active for one hour. In Installation Mode are bypass,
protection against frost and compensation of filter flocculation switched off in
order to prevent interruption during balancing the unit on Fan Step 3.
4 How to set the desired airflow rate:
Pressure loss through the exchanger
P1 - P2 Supply air
P3 - P4 Exhaust air
Set a desired air flow rate according to national regulations, which corre-
sponds to the size and air usage of the house:
Step
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.
Action
2)
3)
50
48
60 48
59 58
70 58
Action
+ Auto for 6 seconds.
The handwritten
data are for illus-
trative purposes
only.
1)
216
3
[m /h]
216
230
3
[m /h]
230
Continued overleaf