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BRADFORD WHITE
Page 2
B4 Volume Water Heater Page 3
TABLE OF CONTENTS
SECTION 1.
General Information
1.1 Introduction....................................................3
1.2 Heater Identication.......................................3
1.3 Flow Requirements........................................3
1.4 Water Chemistry............................................4
SECTION 2.
Installation
2.1 Heater Placement .........................................4
2.2 Installation of Indoor Heaters.........................4
2.2.1 Combustion Air Supply.................................. 4
2.2.2 Venting...........................................................6
2.3 Installation of Outdoor Heaters......................7
2.4 Gas Supply and Piping.................................. 7
2.5 Electrical Wiring.............................................8
2.6 Water Piping of System................................. 8
2.7 Water Expansion........................................... 9
2.8 Pump Performance and Installation ..............9
2.9 Water Pressure............................................10
2.10 Tank Installation...........................................10
2.11 Two-Temperature System............................11
SECTION 3.
Operation
3.1 Controls - General....................................... 14
3.1.1 Electronic Ignition Control............................14
3.1.2 Operating Control........................................ 14
3.1.3 High Limit Controls...................................... 14
3.1.4 Flow Switch .................................................14
3.1.5 Low Water Cut-Off (Optional)...................... 14
3.2 Initial Start-Up..............................................14
3.3 To Start Up System......................................15
3.3.1 Start Up Heater............................................15
3.3.2 To Set Temperature and High Limit
Control.................................................... 15
3.4 To Turn Off Heater.......................................16
3.5 To Shut Down System.................................16
SECTION 4.
Maintenance
.....................................................................16
SECTION 5.
Troubleshooting and Analysis of
Service Problems
.....................................................................17