Table of Contents

Internet Version for Reference Only		BRADFORD WHITE
	Page 2	BRADFORD WHITE


	TABLE OF CONTENTS

SECTION 1.
General Information
1.1	Introduction	3
1.2	Heater Identification	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

3.3.2To 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

Bradford-White Corp 500-1825 warranty Table of Contents