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SPECIAL INFORMATION
INSTALLATION
1. General information �����������������������������������������3
1.1 Relevant documents_____________________________________________ 3
1.2 Information on the appliance _________________________________ 3
1.3 Standardised output data ______________________________________ 3
2. Safety ���������������������������������������������������������� 4
2.1 General safety instructions ____________________________________ 4
2.2 Instructions, standards and regulations ____________________ 4
2.3 Operation of the appliance in buildings with
combustion equipment _________________________________________ 4
3. Appliance description ���������������������������������������5
3.1 Standard delivery ________________________________________________ 5
3.2 Required accessories ___________________________________________ 5
3.3 Additional accessories __________________________________________ 5
3.4 Appliance functions _____________________________________________ 5
4. Preparation ���������������������������������������������������7
4.1 Installation site ___________________________________________________ 7
4.2 Air routing ________________________________________________________ 8
4.3 Sound emissions _________________________________________________ 8
4.4 Electrical installation___________________________________________ 10
4.5 Oxygen diffusion ________________________________________________ 10
4.6 Transport _________________________________________________________ 10
5. Installation �������������������������������������������������� 11
5.1 Siting the function module ___________________________________ 11
5.2 Installing the cylinder module _______________________________ 13
5.3 Connecting modules ___________________________________________ 14
5.4 Heating water connection _____________________________________ 16
5.5 Water connection _______________________________________________ 17
5.6 Filling the DHW cylinder ______________________________________ 18
5.7 Option: Connecting the second DHW cylinder ____________ 18
5.8 Condensate drain and overpressure valve _________________ 18
5.9 Electrical connection ___________________________________________ 18
5.10 Filling and venting the heating system _____________________ 22
5.11 Fitting the appliance casing __________________________________ 24
5.12 Outdoor air and exhaust air hose installation ____________ 25
5.13 Installing extract air and supply air pipes _________________ 26
6. Commissioning ��������������������������������������������� 26
6.1 Checks before commissioning________________________________ 26
6.2 Filter insertion __________________________________________________ 27
6.3 Commissioning via the programming unit ________________ 27
6.4 Recommissioning _______________________________________________ 27
7. Appliance shutdown ��������������������������������������� 28
8. Troubleshooting �������������������������������������������� 28
8.1 Exhaust air fan is catching ____________________________________ 28
8.2 Cleaning defrost pan ___________________________________________ 28
8.3 Circulation pump _______________________________________________ 29
8.4 Fault messages in the programming unit _________________ 29
9. Maintenance and cleaning �������������������������������� 29
9.1 Cleaning the air/air heat exchanger ________________________29
9.2 Cleaning the outdoor air filter _______________________________ 30
9.3 Cleaning the evaporator fins _________________________________ 30
9.4 Cleaning the condensate drain _______________________________ 31
9.5 Cleaning the filter ball valve __________________________________ 31
9.6 Replacing the anode ___________________________________________ 31
9.7 Checking the diaphragm expansion vessels _______________ 32
10. Specification ������������������������������������������������ 33
10.1 Dimensions and connections _________________________________ 33
10.2 Connection examples __________________________________________ 34
10.3 Application range _______________________________________________34
10.4 Sensor resistance values ______________________________________ 34
10.5 Wiring diagram _________________________________________________ 35
10.6 Output graph ____________________________________________________ 38
10.7 Available external head of the circulation pump _________ 39
10.8 Fan curve _________________________________________________________ 39
10.9 Data table ________________________________________________________40
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