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GENERAL SAFETY
INFORMATION
PRECAUTIONS
DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER
WATER. Immediately call a qualified service technician to inspect
the appliance and to replace any part of the control system and any
gas control which has been under water.
IF THE UNIT IS EXPOSED TO THE FOLLOWING, DO NOT
OPERATE HEATER UNTIL ALL CORRECTIVE STEPS HAVE BEEN
MADE BY A QUALIFIED SERVICEMAN.
1. EXTERNAL FIRE.
2. DAMAGE.
3. FIRING WITHOUT WATER.
4. SOOTING
CHEMICAL VAPOR CORROSION
WARNING
CORROSION OF THE FLUEWAYS AND VENT SYSTEM MAY
OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN
CHEMICAL VAPORS. SUCH CORROSION MAY RESULT IN
FAILURE AND RISK OF ASPHYXIATION.
Spray can propellants, cleaning solvents, refrigerator and air
conditioning refrigerants, swimming pool chemicals, calcium and
sodium chloride (water softener salt), waxes, and process
chemicals are typical compounds which are potentially corrosive.
Do not store products of this sort near the heater. Also, air which is
brought in contact with the heater should not contain any of these
chemicals. If necessary, uncontaminated air should be obtained
from remote or outside sources. The limited warranty is voided
when failure of water heater is due to a corrosive atmosphere.
(Refer to the limited warranty for complete terms and conditions.)
TABLE OF CONTENTS
Page
ROUGH-IN DIMENSIONS ................................................................. 2
FOREWORD .................................................................................... 2
GENERAL SAFETY INFORMATION ................................................ 3
Precautions................................................................................. 3
Chemical Vapor Corrosion ......................................................... 3
Improper Combustion.................................................................. 3
Liquid Petroleum Models ............................................................. 3-4
Extended Non-use Periods ........................................................ 4
Insulation Blankets...................................................................... 4
Circulating Pump ......................................................................... 4
INSTALLATION INSTRUCTIONS ...................................................... 4
Required Ability .......................................................................... 4
Locating The Heater ................................................................... 4-5
High Altitude Installations ........................................................... 5
Clearances ................................................................................. 5
Hard Water ................................................................................. 5
Air Requirements........................................................................ 5-6
Water (Potable) Heating and Space Heating ............................. 6
Venting........................................................................................ 6-7
Thermometers (Not Supplied) .................................................... 7
Relief Valve................................................................................. 7
Gas Piping ................................................................................... 7-8
Gas Pressure Regulator ............................................................ 8-9
OPERATION..................................................................................... 9
To Operate The Water Heater .................................................... 9
Purging ........................................................................................ 9
Lighting Instructions ................................................................... 10-11
Temperature Regulations ........................................................... 12
Check Venting ............................................................................ 12-13
High Temperature Limit Switch................................................... 13
SERVICE INFORMATION ................................................................. 13
Pilot and Main Burner.................................................................. 13
Checking Gas Input .................................................................... 13-14
Vent System ............................................................................... 14
Relief Valve................................................................................. 14
Hot Water Odor .......................................................................... 14
Anode Rod Inspection ................................................................ 14
Winter Protection ........................................................................ 14
Replacement Parts ..................................................................... 14
PREVENTIVE MAINTENANCE ......................................................... 15
Recommended Procedure For Periodic Removal Of Lime
Deposits From Tank Type Commercial Water Heaters .............. 15
Deliming Solvents ....................................................................... 15
Tank Cleanout Procedure ........................................................... 15-16
CHECKLIST ..................................................................................... 16-17
NOTES ............................................................................................ 18
LIMITED WARRANTY ...................................................................... INSERT
IMPROPER COMBUSTION
WARNING
ATTIC AND/OR EXHAUST FANS OPERATING ON THE PREMISES
WITH A WATER HEATER CAN RESULT IN CARBON MONOXIDE
POISONING AND DEATH.
OPERATION OF THESE FANS CAN PRODUCE A NEGATIVE DRAFT
IN THE AREA OF THE WATER HEATER PREVENTING THE
PRODUCTS OF COMBUSTION FROM EXHAUSTING THROUGH
THE CHIMNEY OR VENT PIPE.
The venting of the water heater should be inspected by a qualified
service technician at the time of installation and periodically
thereafter to ensure a down-draft condition does not exist.
DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND
VENTILATING AIR. ADEQUATE AIR FOR COMBUSTION AND
VENTILATION MUST BE PROVIDED FOR SAFE OPERATION.
LIQUEFIED PETROLEUM MODELS
Water heaters for propane or liquefied petroleum gas (LPG) are
different from natural gas models. A natural gas heater will not
function safely on LP gas and no attempt should be made to
convert a heater from natural gas to LP gas.
LP gas must be used with great caution. It is highly explosive and
heavier than air. It collects first in the low areas making its odor
difficult to detect at nose level. If LP gas is present or even
suspected, do not attempt to find the cause yourself. Go to a
neighbor's house, leaving your doors open to ventilate the house,
then call your gas supplier or service agent. Keep area clear until
a service call has been made.
At times you may not be able to smell an LP gas leak. One cause
is odor fade, which is a loss of the chemical odorant that gives LP
gas its distinctive smell. Another cause can be your physical
condition, such as having a cold or diminishing sense of smell
with age. For these reasons, the use of a propane gas detector is
recommended.
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