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6
DO NOT USE THIS WATER HEATER IF ANY PART HAS BEEN
SUBMERGED IN WATER. Immediately call a qualified service
technician. The water heater MUST BE replaced if it has been
submerged. Attempting to operate a water heater that has been
submerged could create numerous harmful conditions, such as
a potential gas leakage causing a fire and/or explosion, or the
release of mold, bacteria, or other harmful particulates into the
air. Operating a previously submerged water heater could result in
property damage, severe personal injury, or death.
NOTE: Water heater damage due to flood or submersion is considered
an Act of God, and IS NOT covered under product warranty.
DO NOT alter or modify the water heater or water heater controls.
Altering any Westinghouse water heater with parts not manufactured
by Westinghouse WILL INSTANTLY VOID the water heater warranty
and could result in property damage, personal injury, or death.
This water heater has been designed to heat potable water ONLY.
Using this water heater to heat non-potable fluid WILL VOID product
warranty, and could result in property damage, personal injury, or
death.
Do not use this water heater for anything other than its intended
purpose (as described in this manual). Doing so could result in
property damage and WILL VOID product warranty.
When installing the drain valve take care not to overtighten it. Doing
so could result in damage to the water heater and property damage
due to leaks. Such damages ARE NOT covered by warranty.
B. Improper Combustion
Do not obstruct the flow of combustion and ventilating air. Adequate
air is necessary for safe operation. Failure to keep the exhaust vent
and combustion air intake clear of ice, snow, or other debris could
result in property damage, serious personal injury, or death.
C. Gas
Should overheating or gas supply fail to shut off, turn off the manual
gas control valve to the water heater.
D. When Servicing the Water Heating System
Be sure to disconnect electrical power before opening water heater
cabinet or performing service. Label all wires while performing
service to ensure proper re-wiring of the water heater. Wiring errors
can cause improper or dangerous operation. Failure to do so could
result in an electrical shock, improper water heater operation,
property damage, serious personal injury, or death.
•
To avoid electric shock, disconnect electrical supply before
performing maintenance.
•
To avoid severe burns, allow water heater and associated
equipment to cool before servicing.
•
Do not use petroleum-based cleaning or sealing compounds
in a water heating system. Gaskets and seals in the system may
whl-605 Rev. 002 Rel. 000 Date 1.23.19
be damaged. This can result in substantial property damage.
•
Do not use "homemade cures" or "patent medicines".
Damage to the water heater, substantial property damage,
and/or serious personal injury may result.
•
Always verify proper operation after servicing the water
heater.
NOTE: When inquiring about service or troubleshooting, reference
the model and serial numbers from the water heater rating label.
E. Water Chemistry Requirements
Chemical imbalance of the water supply may affect efficiency and
cause severe damage to the appliance and associated equipment.
Water quality must be professionally analyzed to determine
whether it is necessary to treat the water. Various solutions are
available to adjust water quality. Adverse water quality will affect
the reliability of the system. In addition, operating temperatures
o
above 135
F will accelerate the build-up of lime scale and possibly
shorten appliance service life. Failure of an appliance due to
lime scale build-up, low pH, or other chemical imbalance IS NOT
covered by the warranty.
The water must be potable, free of corrosive chemicals, sand,
dirt, and other contaminates. It is up to the installer to ensure the
water does not contain corrosive chemicals or elements that can
damage the heat exchanger. Potable water is defined as drinkable
water supplied from utility or well water in compliance with EPA
secondary maximum contaminant levels (40 CFR Part 143.3). If
the water contains contaminants higher than outlined by the EPA,
water treatment is recommended and additional, more frequent
maintenance may be required.
If you suspect that your water is contaminated in any way,
discontinue use of the appliance and contact an authorized
technician or licensed professional.
Contaminant
Total Hardness
(Residential Use - Below 140
water temperature)
Total Hardness
(Commercial Use - Above 140
water temperature)
Aluminum
Chloride
Copper
Iron
Manganese
pH
Sulfate
Total Dissolved Solids (TDS)
Zinc
Dissolved Carbon Dioxide (CO2)
Table 1 - Water Quality Specifications
F. Freeze Protection
Consider piping and installation when determining heater
location. Damages resulting from incorrect installation or from
use of products not approved by Westinghouse ARE NOT covered
by warranty.
Maximum Allowable Level
200 mg/l
o
F
(12 grains/gallon)
120 mg/l
o
F
(7 grains/gallon)
0.05 to 0.2 mg/l or PPM
100 mg/l or PPM
1 mg/l or PPM
0.3 mg/l or PPM
0.05 mg/l or PPM
6.5 - 8.5
205 mg/l or PPM
500 mg/l or PPM
5 mg/l or PPM
15 mg/l or PPM
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