ID.: 17-16-20-2976-06 | 6.2017
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Picture 14: The connection clips for adjusting the speed of the fan and connecting the external
signal switch
The fan of the device has two different speeds. Changing the speed can be performed by
different connections of the bridge between clips A1, A2 and A3.
•
The fan operates with low speed (v1)
Connect the bridge in the position between connection clips A1 and A2. This will make the
fan operate with low speed.
•
The fan operates with high speed (v2)
The
factory setting
of the bridge is the position between connection clips A1 and A3. This
means the fan will operate with high speed.
By triggering the voltage-free external switch which you connect to the connection clips B1 and
B2, the device enables automatic change of water heating programme. In case of lower rate
of electricity or using photovoltaic energy, the device automatically switches to the operating
programme triggered by the PV signal which enables saving electricity.
6 Commissioning of the device
6.1 Filling the device with water
After an expert has connected the device to the water supply, the system has to be filled with
water and thoroughly vented. This is performed by opening all water taps in the residence.
When water flows uninterrupted from all taps, the system is thoroughly vented.
CAUTION
The device’s generator must never operate without water in the buffer tank for
DHW.
6.2 Inspections before commissioning
Before commissioning, the following inspections must be performed on the device:
The buffer tank for DHW must be filled with water and thoroughly vented.
All hydraulic connections must be tightly sealed.
A suitable expansion tank and safety valve must be installed.
All safety elements must work.
CAUTION
Connection clips B1 and B2 are voltage-free, whereas clips for fan setting are live
~ 230 V.
A2
B2
A3
B1
A1