8
LP- 293 REV. 9.2.14
DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN SUBMERGED IN WATER.
Immediately call a qualified service technician.
The appliance MUST BE replaced if it has been submerged. Attempting to operate an appliance 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 appliance could result in property damage, severe personal injury,
or death.
NOTE:
Appliance damage due to flood or submersion is considered an Act of God, and IS NOT covered under product warranty.
Be sure to disconnect electrical power before opening boiler cabinet or performing service. Failure to do so could result in an electrical
shock that could result in property damage, serious personal injury, or death.
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. HTP
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.
B. IMPROPER COMBUSTION
C. GAS
Should overheating or gas supply fail to shut off, do not turn off or disconnect
electrical supply to the circulator. Instead, shut off the gas supply at a location
external to the appliance.
D. WHEN SERVICING THE BOILER
To avoid electric shock, disconnect electrical supply before
performing maintenance.
To avoid severe burns, allow boiler to cool.
E. BOILER WATER
If you have an old system with cast iron radiators, thoroughly flush the
system (without boiler connected) to remove sediment. The high-
efficiency heat exchanger can be damaged by build-up or corrosion
due to sediment. HTP recommends a suction strainer in this type of
system.
Do not use petroleum-based cleaning or sealing compounds in boiler
system. Gaskets and seals in the system may be damaged, possibly
resulting in substantial property damage.
Do not use “homemade cures” or “boiler patent medicines”.
Substantial property damage, damage to boiler, 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.
NOTE:
DO NOT add cold make up water to the system when the boiler is hot. Thermal shock can potentially cause cracks in the heat
exchanger. Such damage IS NOT covered by warranty.
F. BOILER WATER CHEMISTRY*
Sodium less than 20mGL.
Water pH between 6.0 and 8.0
o
Maintain water pH between 6.0 and 8.0. Check with litmus paper or have it chemically analyzed by water treatment
company.
o
If the pH differs from above, consult local water treatment company for treatment needed.
Do not obstruct the flow of combustion and ventilating air. Adequate air must be provided for safe operation. Failure to keep the
exhaust vent and intake pipe clear of ice, snow, or other debris could result in property damage, serious personal injury, or death.
Summary of Contents for EL-110
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Page 51: ...51 LP 293 REV 9 2 14 Figure 29 Cascade Master and Follower ...
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Page 79: ...79 LP 293 REV 9 2 14 Figure 38 LP 293 A ...
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