LP-293 Rev. 9.24.15
11
Products to Avoid
Areas Likely to Have
Contaminants
Spray cans containing
uorocarbons
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 renishing 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.)
H. Removing a Boiler from a Common Vent System
Failure to follow all instructions can result in ue gas spillage
and carbon monoxide emissions, causing severe personal
injury or death.
Do not install the boiler into a common vent with any other
appliance. This will cause ue gas spillage or appliance
malfunction, resulting in possible substantial property
damage, severe personal injury, or death.
When removing an existing boiler, follow the steps below.
1. Seal any unused openings in the common venting system.
2. Visually inspect the venting system for proper size and
horizontal pitch to determine if there is blockage, leakage,
corrosion, or other deciencies that could cause an unsafe
condition.
3. If practical, close all building doors, windows, and doors
between the space in which the boiler remains connected to
the common venting system and other spaces in the building.
Turn on clothes dryers and any appliances not connected to
the common venting system. Turn on any exhaust fans, such
as range hoods and bathroom exhausts, at maximum speed.
Do not operate a summer exhaust fan. Close all replace
dampers.
4. Place in operation the appliance being inspected. Follow the
lighting instructions. Adjust the thermostat so the appliance
will operate continuously.
5. Test for spillage at the draft hood relief opening after 5
Figure 3 - CO Warning Label
minutes of main burner operation. Use the ame of a match or
candle or smoke from a cigarette.
6. After it has been determined that each appliance remaining
connected to the common venting system properly vents
when tested as outlined, return doors, windows, exhaust fans,
replace dampers, and any other gas burning appliances to their
previous condition of use.
7. Any improper operation of the common venting system
should be corrected to conform to the National Fuel Gas Code,
ANSI Z223.1. When resizing any portion of the common venting
system, the system should approach the minimum size as
determined using the appropriate tables in Appendix G of ANSI
Z223.1.
I. Water Chemistry Requirements*
Chemical imbalance of the water supply may aect eciency
and cause severe damage to the boiler and associated
equipment. HTP recommends having water quality
professionally analyzed to determine whether it is necessary
to install a water softener. It is important that the water
chemistry on both the domestic hot water and central heating
sides are checked before installing the boiler, as water quality
will aect the reliability of the system. Failure of a boiler due
to lime scale build-up, low pH, or other chemical imbalance IS
NOT covered by the warranty.
• Sodium less than 20 mGL
• Water pH between 6.0 and 8.0
• Maintain water pH between 6.0 and 8.0. Check with
litmus paper or have it chemically analyzed by water
treatment company.
• If the pH diers from above, consult local water
treatment for treatment needed.
• Hardness less than 7 grains
• Consult local water treatment companies for
unusually hard water areas (above 7 grains hardness).
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