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TABLE OF CONTENTS
Installation Procedure .........................................4
Ventilation & Combustion Air ..............................5
Connecting Supply & Return Piping ...................7
Vent Installation ................................................ 11
Vent System Modification ................................. 11
Vent Damper Installation & Instructions............12
Connecting Gas Service ...................................13
Electrical Section ..............................................13
Wiring Diagram - 24V Standing Pilot ................14
Wiring Diagram - Intermittent Ignition ...............15
Lighting Instructions..........................................16
Normal Sequence of Operation ........................18
General Instructions .........................................18
Checking Gas Input Rate To Boiler ..................20
Boiler Exploded View ........................................21
Conversion Kits ................................................27
KEEP THIS MANUAL NEAR BOILER
RETAIN FOR FUTURE REFERENCE
SAFETy SyMBOLS & WARNINGS
The following defined symbols are used throughout this manual
to notify the reader of potential hazards of varying risk levels.
!
Indicates an imminently hazardous situation
Which, if not avoided, will result in death, serious
injury or substantial property damage.
!
Indicates a potentially hazardous situation which,
if not avoided, could result in death, serious injury
or substantial property damage.
!
Indicates a potentially hazardous situation which,
if not avoided, could result in minor or moderate
injury or property damage.
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS
DANGER
WARNING
CAUTION
IMPORTANT: Read the following instruc-
tions COMPLETELY before installing!!
1. Keep boiler area clear and free from combustible
materials, gasoline and other flammable vapors
and liquids.
2. DO NOT obstruct air openings to the boiler
room.
3. Modification, substitution or elimination of fac-
tory equipped, supplied or specified components
may result in property damage, personal injury or
the loss of life.
4. TO THE OWNER - Installation and service of this
boiler must be performed by a qualified installer.
5. TO THE INSTALLER - Leave all instructions with
the boiler for future reference.
6. When this product is installed in the Common-
wealth of Massachusetts the installation must be
performed by a Licensed Plumber or Licensed
Gas Fitter.
All installations of boilers and venting should be
done only by a qualified expert and in accordance
with the appropriate manual. Installing or venting
a boiler or any other gas appliance with improper
methods or materials may result in serious injury or
death due to fire or to asphyxiation from poisonous
gases such as carbon monoxide which is odorless
and invisible.
C.S.A. Certified
For Natural Gas Or Propane
2
WARNING
!
WARNING
!
H
Tested For 100 LBS.
ASME
Working Pressure
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