OPERATION VIA B-TOUCH HEAT RECOVERY UNIT
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3.7 Maintenance
The Maintenance menu contains information on the use of the
unit and offers a number of functions which are necessary for
remedying errors.
Status The status screen displays general information about the
installation and specific information per group and per unit
connected.
Current errors Gives an overview of current errors. The error messages can
also be deleted here.
Error history Gives an overview of the errors which have occurred.
Capacity test Use this function to test the capacity of the unit and your
heating installation.
The unit will run for 120 minutes at the highest fan speed and
with the highest heating capacity. You can check the discharge
temperature and the heating capacity. The discharge tempera-
ture is limited to 50°C.
For units with water heating:
If the heating capacity is too low, check the supply and return
water temperatures and the water flow.
Valve check Use this function to test the operation of the water valve:
1. Set the opening percentage of the valve to 0%;
2. Press start. The fans will start rotating at the highest speed;
3. Check whether the discharged air is cold;
n It may take some time before the valve reaches the
adjusted opening percentage.
4. Repeat steps 1 and 2 for the percentages 50% and 100
% as
w
ell. In doing so, check whether the discharged air gets
warmer per step.
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