Warranty

7
whl-648 Rev. 000 Rel. 009 Date 1.4.19
Do not use this boiler for anything other than its intended purpose
(as described in this manual). Doing so could result in property
damage and WILL VOID product warranty.
B. Improper Combustion
Do not obstruct the ow 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 o, turn o the manual
gas control valve to the boiler.
D. When Servicing the Boiler
• To avoid electric shock, disconnect electrical supply before
performing maintenance.
• To avoid severe burns, allow boiler and associated equipment
to cool before servicing.
• Do not use petroleum-based cleaning or sealing compounds
in an boiler system. Gaskets and seals in the system may be
damaged. This can result in substantial property damage.
• Do not use “homemade cures” or “patent medicines”.
Damage to the boiler, substantial property damage, and/or
serious personal injury may result.
• Always verify proper operation after servicing the boiler.
NOTE: When inquiring about service or troubleshooting, reference
the model and serial numbers from the boiler rating label.
Be sure to disconnect electrical power before opening boiler
cabinet or performing service. Label all wires while performing
service to ensure proper re-wiring of the boiler. Wiring errors can
cause improper or dangerous operation. Failure to do so could
result in an electrical shock, improper boiler operation, property
damage, serious personal injury, or death.
F. Water Chemistry Requirements
Chemical imbalance of the water supply may aect eciency and
cause severe damage to the boiler 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 aect the reliability
of the system. In addition, operating temperatures above 135
o
F will
accelerate the build-up of lime scale and possibly shorten boiler
service life. Failure of a boiler 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 dened 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. See Table 1.
If you suspect that your water is contaminated in any way, discontinue
use of the boiler and contact an authorized technician or licensed
professional.
Due to the low water content of the boiler, improper sizing of the
boiler with regard to heating system load will result in excessive
cycling and accelerated component failure. Westinghouse
DOES NOT warrant failures caused by improperly sized boiler
applications. DO NOT oversize the boiler to the system. Modular
boiler installations greatly reduce the likelihood of boiler
oversizing.
E. Boiler System
• Thoroughly ush the system (without the boiler connected)
to remove sediment. The high eciency heat exchanger can
be damaged by build-up or corrosion due to sediment. The
manufacturer recommends a suction strainer in all systems.
• Do not use petroleum-based cleaning or sealing compounds
in a boiler system. Gaskets and seals in the system may be
damaged. This can result in substantial property damage.
• Do not use “homemade cures” or “patent medicines”.
Damage to the boiler, substantial property damage, and/or
serious personal injury may result.
Continual fresh make-up water will reduce boiler life. Mineral
buildup in the heat exchanger reduces heat transfer, overheats
the stainless steel heat exchanger, and causes failure. Addition of
oxygen from make-up water can cause internal corrosion in system
components. Leaks in the boiler or piping must be repaired at once.
Contaminant Maximum Allowable Level
Total Hardness
(Residential Use - Below 140
o
F water
temperature)
200 mg/l
(12 grains/gallon)
Total Hardness
(Commercial Use - Above 140
o
F water
temperature)
120 mg/l
(7 grains/gallon)
Aluminum 0.05 to 0.2 mg/l or PPM
Chloride 100 mg/l or PPM
Copper 1 mg/l or PPM
Iron 0.3 mg/l or PPM
Manganese 0.05 mg/l or PPM
pH 6.5 - 8.5
Sulfate 205 mg/l or PPM
Total Dissolved Solids (TDS) 500 mg/l or PPM
Zinc 5 mg/l or PPM
Dissolved Carbon Dioxide (CO2) 15 mg/l or PPM
Table 1 - Water Quality Specications
G. Freeze Protection
Consider piping and installation when determining boiler location.
Damages resulting from incorrect installation or from use of products
not approved by the manufacturer ARE NOT covered by warranty.
NEVER use any toxic chemical, including automotive, standard glycol
antifreeze, or ethylene glycol made for hydronic (non-potable)
systems. These chemicals can attack gaskets and seals in water
systems, are poisonous if consumed, and can cause personal injury
or death.