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Prevent combustion air contamination

4

If the boiler combustion air inlet is  located in 
a laundry room or pool facility, for example, 
these areas will always contain hazardous 
contaminants.

To prevent the potential of severe personal 
injury or death, check for areas and products 
listed in Table 1A before installing the boiler 
or air inlet piping.

If contaminants are found, you MUST:

  • Remove contaminants permanently.  
   

          —OR—

  • Relocate air inlet and vent  

 

    terminations to other areas.

 WARNING

 WARNING

Products to avoid:

Spray cans containing chloro/fluorocarbons

Permanent wave solutions

Chlorinated waxes/cleaners

Chlorine-based swimming pool chemicals

Calcium chloride used for thawing

Sodium chloride used for water softening

Refrigerant leaks

Paint or varnish removers

Hydrochloric acid/muriatic acid

Cements and glues

Antistatic fabric softeners used in clothes dryers

Chlorine-type bleaches, detergents, and cleaning solvents 
found in household laundry rooms
Adhesives used to fasten building products and other similar 
products

Areas likely to have contaminants

Dry cleaning/laundry areas and establishments

Swimming pools

Metal fabrication plants

Beauty shops

Refrigeration repair shops

Photo processing plants

Auto body shops

Plastic manufacturing plants

Furniture refinishing areas and establishments

New building construction

Remodeling areas

Garages with workshops

Table 1A Corrosive Contaminants and Sources

 WARNING

If the boiler combustion air inlet is located 
in any area likely to cause contamination, 
or if products which would contaminate 
the air cannot be removed, you must have 
the combustion air and vent re-piped 
and terminated to another location. 

 

Contaminated combustion air will damage 
the boiler, resulting in possible severe 
personal injury, death, or substantial 
property damage.

Pool and laundry products and common household and hobby 
products often contain fluorine or chlorine compounds.  When 
these chemicals pass through the boiler, they can form strong 
acids.  The acid can eat through the boiler wall, causing serious 
damage and presenting a possible threat of flue gas spillage or 
boiler water leakage into the building.

Please read the information listed in Table 1A.  If contaminating 
chemicals will be present near the location of the boiler 
combustion air inlet, have your installer pipe the boiler 
combustion air and vent to another location, per the Knight XL 
Installation and Operation Manual.

                  

User’s Information Manual 

Содержание Knight XL 400

Страница 1: ...s are likely to be present WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Donottouchanyelectricswitch donotuseanyphoneinyour building Immediately call your gas supplier from a near by p...

Страница 2: ...operty damage NOTICE indicates special instructions on installation operation or maintenance that are important but not related to personal injury or property damage Contents HAZARD DEFINITIONS 2 PLEA...

Страница 3: ...upply to the 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 The possible damage to a flooded appliance can b...

Страница 4: ...Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establishments New building constr...

Страница 5: ...ion Check wiring and connections Perform start up checkout and performance verification per Sec tion 10 in the Knight XL Installation and Operation manual Flame inspection stable uniform Flame signal...

Страница 6: ...the boiler intake air will cause acidic condensate in the boiler This will cause significant damage to the boiler if allowed to continue Read the list of potential materials listed in Table 1A on page...

Страница 7: ...in FIG 2 2 Call your qualified service technician to inspect the boiler and system 5 Leave the top of the 1 2 inch tee OPEN This is needed as a vacuum break 6 Do not expose condensate line to freezin...

Страница 8: ...or discharge line may be blocked Immediately shut down the boiler following the operating instructions on page 9 of this manual Call your qualified service technician to inspect the boiler and system...

Страница 9: ...to replace any part of the control system and any gas control which has been under water I RX FDQQRW UHDFK RXU JDV VXSSOLHU FDOO the fire department 1 STOP Read the safety information above on this l...

Страница 10: ...described in the User section Rotate the NAVIGATION dial if needed until the arrow is pointing to TIME DATE Press the NAVIGATION dial once If the date and time are incorrect press the NAVIGATION dial...

Страница 11: ...2 F 0 C 190 F 88 C The default is 125 F 52 C By installing a tank sensor the SMART SYSTEM control can perform the tank thermostat function The SMART SYSTEM control automatically detects the presence o...

Страница 12: ...nds to clear the combustion chamber and vent system of residual flue products SHUTDOWN The unit has been placed in the OFF position The controlled temperature has exceeded its set point and its offset...

Страница 13: ...p output BMS VOLTAGE The voltage received from a BMS system BLR PUMP OUTPUT The speed signal sent to a variable speed boiler pump in percent SYS PUMP INPUT The speed signal received from a variable sp...

Страница 14: ...Pressing the NAVIGATION dial will display the Set Points Screen Turning the NAVIGATION dial will move the cursor up or down Turning the NAVIGATION dial will increase or decrease the current setting F...

Страница 15: ...15 Notes User s Information Manual...

Страница 16: ...cts the new model numbers for the Knight XL upgrade Revision B ECO C07072 reflects the change in design of the manual air vent valve update of FIG 2 3 on page 8 and the clarification of the user passw...

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