6 720 680 226
2
Index
Index
1 Warning 3
2 Appliance details 4
2.1 Features 4
2.2 Specifications (Technical data) 5
2.3 Unpacking the heater 6
2.4 General rules to follow for safe operation 7
2.5 Dimensions and minimum
installation clearances 8
3 Installation instructions 9
3.1 Specialized tools 9
3.2 Introduction 9
3.3 Venting 9
3.4 Combustion air requirements 20
3.5 Proper location for installing your heater 21
3.6 Heater placement and clearances 21
3.7 Mounting installation 21
3.8 Gas piping & connections 22
3.9 Water connections 25
3.10 Water quality 25
3.11 Domestic hot water recirculation 26
3.12 Filling the condensate trap 27
3.13 Measuring gas pressure 28
4 Electrical connections 29
4.1 Electrical power supply 29
4.2 Position of the fuses in control unit 29
5 Operation instructions 30
5.1 Description LCD Display 30
5.2 For your safety read before operating
your water heater 31
5.3 Power 31
5.4 Temperature selection 31
5.5 Use of optional remote control accessory
(part no. TSTAT2) 32
5.6 Operation 32
5.7 Reset button 32
5.8 Program button 32
5.9 Locked condition 33
6 Maintenance and service 34
6.1 Annual maintenance 34
6.2 Winterizing for seasonal use 34
6.3 Mineral scale build-up 35
6.4 Condensing heat exchanger unit 35
6.5 Adjusting CO2 (carbon dioxide) 36
6.6 Program values 38
6.7 Control board diagnostics 39
7 Troubleshooting 40
7.1 Introduction 40
7.2 Burner does not ignite when
hot water is turned ON 40
7.3 Water is too hot 40
7.4 Water is not hot enough 40
7.5 Low water flow/pressure 41
7.6 Hot water temperature fluctuates at tap 41
7.7 Noisy burner/heater during operation 41
8 Problem solving 43
8.1 Error code diagnostics 43
9 Electrical diagram 47
10 Sensor resistance charts 48
11 Integra 500 Functional scheme 50
12 Interior components diagram
and parts list 51
12.1 Interior components 51
12.2 Components diagram 53
13 Protecting the environment 60
14 Limited Warranty 61
To Next Page
Loading...
