Table of Contents
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Warnings and Safety Symbols ....................................................................................................... 3
Introduction ................................................................................................................................ 4
Boiler Ratings & Capacities ........................................................................................................... 5
Boilers For Use At High Altitude ..................................................................................................... 6
Rules For Safe Installation And Operation ....................................................................................... 8
Before Installing The Boiler ........................................................................................................... 8
Placing The Boiler .......................................................................................................................11
Near Boiler Piping .......................................................................................................................12
Combustion Air and Vent Pipe ......................................................................................................19
Gas Supply Piping .......................................................................................................................24
Electrical Wiring .........................................................................................................................26
Controls and Accessories .............................................................................................................30
Water Treatment & Freeze Protection ............................................................................................32
Start Up ....................................................................................................................................34
Operating Instructions .................................................................................................................35
To Turn Off Gas To Appliance ........................................................................................................35
Check Out Procedure and Adjustment ...........................................................................................36
Installation and Check-Out Certifi cate............................................................................................40
Maintenance And Cleaning ...........................................................................................................41
Detailed Sequence Of Operation ...................................................................................................44
Troubleshooting ..........................................................................................................................47
Differential Air Pressure Switch Check ...........................................................................................55
IMPORTANT: THIS MANUAL MUST BE KEPT NEAR THE BOILER FOR FUTURE REFERENCE!!
Indicates an imminently hazardous situation
!
which, if not avoided, WILL result in death,
serious injury or substantial property damage.
Indicates an imminently hazardous situation
!
which, if not avoided, may result in death,
serious injury or substantial property damage.
TABLE OF CONTENTS
WARNINGS AND SAFETY SYMBOLS
DANGER
WARNING
Indicates an imminently hazardous situation
!
which, if not avoided, may result in injury or
property damage.
Indicates information which should be
followed to ensure proper installation and
operation.
H
3
CAUTION
NOTICE
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