HTP Munchkin Boiler Residential User Manual
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GAS-FIRED BOILER User Manual
WARNING
If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch: do not use any phone in
your building.
• Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
TABLE OF CONTENTS
Product and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,3
Service and Maintenance
Munchkin Operation
Primary Water
Section I – Combustion Air – Prevention of Contamination . . . . . . . . . . . . . . . . . . . . . . . . 4
Potential Contaminating Products
Areas likely to find these Products
Section II – Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,5
Service Technician
Owner Maintenance
Section III – Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Daily Maintenance
Monthly Maintenance
6 Month Maintenance
Section IV – Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12
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GAS-FIRED BOILER User Manual
PRODUCT AND SAFETY INFORMATION
DANGER
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in
death or serious injury.
WARNING
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injury.
CAUTION
CAUTION Indicates a potentially hazardous
situation which, if not avoided, may result in
minor or moderate injury.
CAUTION
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which,
if not avoided, may result in property damage.
DEFINITIONS
NOTICE
Heat Transfer Products, Inc., reserves the right to make product changes or updates without notice
and will not be held liable for typographical errors in literature.
SPECIAL ATTENTION BOXES
The following defined terms are used throughout this manual to bring attention to the presence of
hazards of various risk levels or to important information concerning the product.
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GAS-FIRED BOILER User Manual
WARNING
User — Have this boiler serviced/inspected by
a qualified service technician annually.
WARNING
Failure to adhere to the guidelines on this page
can result in severe personal injury, death or
substantial property damage.
WARNING
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas suppliers'
instructions.
• If you cannot reach your gas supplier, call the
fire department.
BOILER OPERATION
• Do not block flow of combustion or
ventilation air to boiler.
• Should overheating occur or gas supply fail
to shut off, do not turn off or disconnect
electrical supply to circulator. Instead, shut off
the gas supply at a location external to the
appliance.
• Do not use this boiler if any part has been
under water. Immediately call a qualified
service technician to inspect the boiler and to
replace any part of the control system and
any gas control that has been under water.
PRODUCT AND SAFETY INFORMATION
(CONT’D)
PRIMARY 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.
• Do not use petroleum-based cleaning or
sealing compounds in boiler system. Gaskets
and seals in the system may be damaged.
This can result 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 heat exchanger
reduces heat transfer, overheats the stainless
steel heat exchanger, and causes failure.
Addition of oxygen carried in by make-up
water can cause internal corrosion in system
components. Leaks in boiler or piping must
be repaired at once to prevent make-up
water.
FREEZE PROTECTION FLUIDS
CAUTION
NEVER use automotive or standard glycol
antifreeze, even ethylene glycol made for
hydronic systems. Use only inhibited propylene
glycol solutions, which are specifically
formulated for hydronic systems. Ethylene
glycol is toxic and can attack gaskets and seals
used in hydronic systems.
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