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FOREWORD
This manual is intended to be used in conjunction with other
literature provided with the heater. This includes power burner
and related gas control information. It is important that this manual
and the additional publications be reviewed in their entirety before
beginning any work.
The installation should be made in accordance with the regulations
of the local code authorities and utility companies, which pertain
to this type of water heating equipment.
MAKE SURE the fuel on which the heater will operate is the same
as that specified on the heater model and rating plate.
THESE HEATERS MUST NOT BE INSTALLED ON
COMBUSTIBLE FLOORS.
Instructions for periodic testing of various water heater safety
devices are included in section titled COMBUSTION
ARRANGEMENT REQUIREMENTS AND SERVICE
RECOMMENDATIONS.
In the absence of local codes, the installation must comply with
the instruction as outlined in the latest publication of ANSI booklet
NFPA-54/ANSI Z223.1
“NATIONAL FUEL GAS CODE”, NFPA No.
70
“NATIONAL ELECTRICAL CODE”, or Canadian Gas
Association booklet CAN 1-B149.1 or CAN 1-B149.2 for Canadian
Installations also be followed.
These manuals can be purchased from the American Gas
Association Laboratories, 8501 East Pleasant Valley Road,
Cleveland, OH 44131 or the National Fire Protection Association,
1 Batterymarch Park, Quincy, MA 02269-9101, or Canadian Gas
Association Labortories, 55 Scarsdale Road, Don Mills, Ontario,
Canada M3B 2R3.
TABLE OF CONTENTS
This manual is supplemented by the power burner manual. All information, including start-up and
maintenance relating to the burner, can be found in that manual.
PAGE
FOREWORD................................................................................ 2
IDENTIFICATION ......................................................................... 2
GENERAL SAFETY INFORMATION ........................................... 3
Precautions ............................................................................. 3
Grounding Instructions ............................................................ 3
Improper Combustion .............................................................. 3
Liquid Petroleum Models ......................................................... 3
Extended Non-Use Periods (BTP Models Only) ..................... 3
Insulation Blankets .................................................................. 3
High Altitude Installations ........................................................ 3-4
FEATURES .................................................................................. 4
Water Temperature Control ..................................................... 4
INSTALLATION INSTRUCTIONS ................................................ 4
Required Ability ....................................................................... 4
Uncrating ................................................................................. 4-5
Locating the Heater ................................................................. 5
Leveling ................................................................................... 5
Clearances .............................................................................. 5
Air Requirements..................................................................... 5-6
Thermal Expansion (Closed System) ...................................... 6
Venting .................................................................................... 6
Vent Connector........................................................................ 6
Barometric Draft Control Assembly ......................................... 6-7
Water Line Connections .......................................................... 7
Thermometers (Not Supplied) ................................................. 7
Relief Valve ............................................................................. 7
Gas Piping ............................................................................... 7-8
Purging .................................................................................... 8
Gas Meter Size (City Gases Only) .......................................... 8
Gas Pressure Regulator .......................................................... 8
Wiring ...................................................................................... 8-11
TWO UNIT MANIFOLD INSTALLATION ..................................... 11
OPERATION ................................................................................ 11
Important ................................................................................. 11
General.................................................................................... 11
Filling ....................................................................................... 11
Combustion Arrangement Requirements
And Service Recommendations .............................................. 11-12
MAINTENANCE ........................................................................... 12
General.................................................................................... 12
Flushing ................................................................................... 12
Draining ................................................................................... 12
Sediment Removal .................................................................. 12
Lime Scale Removal ............................................................... 12-13
Relief Valve ............................................................................. 13
Power Burner........................................................................... 13-14
Cleaning Flues - COF & COBT Only ....................................... 14
Vent Systems .......................................................................... 14
Barometric Draft Control ......................................................... 14
TROUBLESHOOTING ................................................................. 14-15
Replacement Parts .................................................................. 15
LIMITED WARRANTY ................................................................. 16
PAGE
IDENTIFICATION
The heater and burner mounted identification plates provide
valuable information. When ordering parts or inquiring about a
unit, be sure to include serial number, model number and type of
fuel.