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INSTALLATION AND OPERATION INSTRUCTIONS
BT INDIRECT SERIES – WATER HEATERS
1.0 GENERAL INFORMATION .............................................4
2.0 PRE-INSTALLATION CONSIDERATIONS.................................6
2.1 Supplied with this Water Heater .....................................6
2.2 Important considerations Before Installation ...........................6
2.3 System Zone Control .............................................6
2.4 Priority or Non-Priority for Hot Water .................................7
2.5 Locating the Water Heater .........................................7
2.6 Temperature and Pressure Relief Valve ...............................8
2.7 Additional Recommended Components...............................8
2.8 Removing the Existing Domestic Water Heating System..................8
2.9 Water Quality ...................................................9
3.0 PIPING ...........................................................10
3.1 Domestic Water Piping ...........................................10
3.2 Boiler Water Piping..............................................10
3.3 Zone Circulator System ..........................................10
3.4 Zone Valve System..............................................11
4.0 ELECTRICAL ......................................................12
4.1 Temperature Sensor.............................................12
4.2 Aquastat ......................................................13
5.0 OPERATION .......................................................14
5.1 Startup .......................................................14
5.2 Temperature Adjustment..........................................14
6.0 MAINTENANCE ....................................................15
6.1 Chemical Cleaning of the Heating Coil...............................15
7.0 TROUBLESHOOTING ...............................................16
8.0 SCHEMATICS ......................................................17
CONTENTS