5
Part 1 - Product and Safety Information
B. Primary Water
• Do not attempt to clean the heating system. Call a qualified
service technician for service.
• If you notice any leaks, immediately call a qualified service
technician. Leaks in boiler or piping must be repaired at once.
Closed loops that use glycol as heat transfer fluid must be serviced
periodically. Glycol can break down over time, become acidic, and
attack gaskets and seals in boilers. This can result in property damage,
severe personal injury, or death.
Each glycol manufacturer has different recommendations for
testing and replacement. Do not test glycol quality yourself. Have
your qualified service technician check glycol quality during annual
servicing. If you are unsure when your glycol was last tested, call a
qualified service technician to test and replace glycol, if necessary.
C. Freeze Protection
DANGER
WARNING
DO NOT shut off the boiler for long periods of time during potentially
freezing conditions. If the boiler must be shut off during potentially
freezing conditions (is not to be used for an extended period of time),
shut down the system and drain it of water. Shut off the gas and cold
water supply valves.
Ensure exposed water pipes are thermally insulated to prevent
damage due to freezing conditions. If the boiler is not to be used for
an extended period of time during freezing conditions, shut down
the system and completely drain the boiler.
If the water pipes should freeze, thaw the pipes with a hair dryer or
other electric heating device. If this does not work, call a qualified
service technician.
Do not operate the boiler if its combustion air intake is located in or
near one of the areas or in the vicinity of products listed in Table 1.
These areas will always contain hazardous contaminants that can
form strong acids while passing through the burner and vent
system. These acids will corrode the boiler’s heat exchanger, burner
components and vent system, resulting in flue gas spillage and/
or water leakage, possible substantial property damage, severe
personal injury, or death. If the boiler combustion air intake is located
in any area likely to cause or contain contamination, or if products
which would contaminate the air cannot be removed, the intake
must be re-piped and terminated to another location.
DO NOT re-pipe ventilation system on your own. Call a qualified
service provider for assistance.
Products to Avoid
Areas Likely to Have
Contaminants
Spray cans containing
fluorocarbons
Dry cleaning / laundry areas
and establishments
Permanent wave solutions Swimming pools
Chlorinated waxes / cleaners Metal fabrication plants
Chlorine-based swimming pool
chemicals
Beauty shops
Calcium chloride used for thawing Refrigeration repair shops
Sodium chloride used for water
softening
Photo processing plants
Refrigerant leaks Auto body shops
Paint or varnish removers Plastic manufacturing plants
Hydrochloric or Muriatic acid
Furniture refinishing areas
and establishments
Cements and glues New building construction
Antistatic fabric softeners used in
clothes dryers
Remodeling areas
Chlorine-type bleaches, laundry
detergents, and cleaning solvents
Garages and workshops
Adhesives used to fasten building
products
Table 1 - Products and Areas Likely to Have Contaminants
NOTE: DAMAGE TO THE Boiler CAUSED BY EXPOSURE TO
CORROSIVE VAPORS IS NOT COVERED BY WARRANTY.
(Refer to the limited warranty for complete terms and conditions.)
D. Combustion Air Contamination Prevention
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