CONTENTS
Pages
1. General information
1.1 General warnings 1
1.2 Product conformity 9
2. Technical characteristics
2.1 Technical data 10
2.2 Dimensions 11
2.3 Internal parts of the water heater 12
2.4 Water circuit 13
2.5 Circulation pump head/flow graph 14
2.6 Printed circuit board – Technical characteristics 15
2.7 Control panel 15
3. Installation (authorized personnel)
3.1 Reference standard 16
3.2 Unpacking 17
3.3 Installation water heater 18
3.4 Fixing the water heater 19
3.5 Water connections 20
3.6 Domestic Hot Water Circuit/Hard Water Warning/ Condensate Drain 21
3.7 Schematic of Piping Installation 23
3.8 Gas connection 25
3.9 Electrical connections
26
3.10 Venting connections 29
4. Commissioning the appliance (authorized personnel)
4.1 General warnings 36
4.2 Filling the system 37
4.3 Flushing the system 38
4.4 Filling the condensate trap 38
4.5 Starting up the water heater 39
5. Regulating the appliance (authorized personnel)
5.1 Parameters table 40
5.2 Setting the parameters 41
5.3 Gas Data 48
5.4 Regulating the Gas Valve Offset 49
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