WRDB - GB
2
Table of contents
Table of contents
Safety information 3
Explanation of symbology 3
1 Information about the heater 4
1.1 Category, type and approval no. 4
1.2 Technical identification code 4
1.3 Supplied materials 4
1.4 Description of the heater 4
1.5 Special accessories 4
1.6 Dimensions 5
1.7 Functional diagram of the heater 6
1.8 Electrical diagram 7
1.9 Function 7
1.10 Technical characteristics 8
2 Regulations 9
3 Installation 9
3.1 Important information 9
3.2 Selection of the place of installation 9
3.3 Heater mounting 10
3.4 Water connection 10
3.5 Gas connection 10
3.6 Startup 11
4 Use 12
4.1 Digital display - description 12
4.2 Batteries 12
4.3 Before starting up the heater 12
4.4 Turning the heater on and off 12
4.5 Power adjustment 13
4.6 Temperature/flow adjustment 13
5 Adjustments 14
5.1 Heater adjustment 14
5.2 Pressure adjustment 14
5.3 Conversion to a different type of gas 14
6 Maintenance 15
6.1 Periodic maintenance work 15
6.2 Startup after maintenance work 15
6.3 Heater purge 15
6.4 Combustion gas probe 15
7 Problems 17
7.1 Problem/cause/solution 17