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B. Maintenance

1.  On a continuous basis:

•  Keep the area around the boiler free from 

combustible materials, gasoline, and other 

flammable vapors and liquids.  

•  Keep the area around the combustion air inlet 

terminal and the area around the boiler free 

from contaminants, including all sources of 

hydrocarbons such as bleaches, fabric softeners, 

chemicals, sprays, cleaners, paints, paint 

removers, refrigerants, and cat boxes.  Traces 

of these chemicals can be drawn into the boiler, 

causing severe corrosion damage to the boiler 

and/or objectionable odors.

A. General

1.  This manual covers

 the proper care and use of 

the Alpine™ Condensing High Efficiency Gas Fired 

Boiler.

2.  Instructions to safely operate

 and shut down 

this boiler are shown in Figure 2 on page 5, as well 

as on a label affixed to the boiler.  Control locations 

shown in Figure 1.

3.  Flame Failure: 

 The boiler control will shut 

off gas to the burner in the event of flame failure.  

If boiler fails to fire, call a qualified gas service 

technician to diagnose and correct the problem.

4.  Combustion Air/Vent System Blockage:

  The 

boiler control will shut down the burner if there is 

a blockage in the combustion air or vent pipe such 

as a bee’s nest or ice.  If boiler fails to fire, call a 

qualified gas service technician to diagnose and 

correct the problem.  After removing a blockage, it 

may be necessary to press the control reset button to 

restart the boiler.

 WARNING

Asphyxiation  Hazard.    In  the  event  that  the 

ignition  system  on  an  Alpine  boiler  does 

not permit the boiler to fire, there is either a 

problem with the ignition system or a problem 

with  the  vent  system.  Call  a  qualified  gas 

service  technician  to  diagnose  and  correct 

the problem.
A shutdown of the burner due to the pressure 

switch is an indication that there is a problem 

with the vent system, such as a blockage. The 

boiler pressure switch should only be reset 

after a qualified gas service technician has 

diagnosed and corrected the venting problem 

that caused the pressure switch to open.   

•  Keep the boiler room ventilation openings open 

and unobstructed.

•  Do not expose the boiler to large amounts of dust 

such as that generated by drywall construction or 

woodworking.

2.  On a monthly basis: 

 

 WARNING

If any of the below listed conditions is found, 

follow instructions “TO TURN OFF GAS TO 

APPLIANCE” in Figure 2 and contact a qualified 

gas service technician to correct the problem 

before placing the boiler back in service.  Failure 

to correct these conditions could result in 

property damage, personal injury or loss of life.

•  Inspect vent and combustion air intake terminals 

for obstruction or damage due to impact or 

excessive temperature.

•  Inspect vent and combustion air exterior wall 

penetrations to be sure they are weather tight.

•  Inspect the vent and combustion air intake 

system for obstructions, loose joints, condensate 

leakage, sags in horizontal runs of pipe, 

corrosion, or other deterioration.   

•  Inspect water and gas lines for leaks.
•  Remove boiler front door and inspect for carbon 

(soot) in or near the burner compartment, 

condensate drain leaks or blockage, or 

deterioration of the visible controls, wiring, or 

sheet metal components.

•  Inspect flame for true yellow tipping.  Adjust 

thermostat to highest setting to turn on boiler and 

view flames through observation glass with front 

door removed.  On high fire the flame should be 

stable and mostly blue.  No true yellow tipping 

should be present, however intermittent flecks of 

yellow and orange in the flame caused by dust in 

air are normal.  See Figure 3.  If the burner flame 

looks satisfactory, adjust thermostat to normal 

setting and reinstall boiler front door.

3.  On an annual basis:

 have a qualified gas service 

technician perform a more detailed inspection 

of the burner, heat exchanger, controls, and vent 

system and provide maintenance as specified in the 

Installation, Operating, and Service Instructions.  

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