420010970100 - LP-699 Rev. 000 Rel. 001 Date 6.11.20
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expansion tank.
• Contact a qualied service technician if pressures are low or
high, or if there is an issue with boiler operation.
VERY IMPORTANT: Check / test carbon monoxide detectors to
ensure proper operation per the manufacturer’s instructions.
Check Exhaust Vent and Intake Piping
Visually inspect the exhaust vent piping for any signs of blockage,
leakage, or deterioration of the piping. Inspect the exhaust vent
bracing. Ensure bracing is undamaged and in good condition.
Notify a qualied service technician immediately if any problems
are found.
B. Monthly Maintenance - To Be Performed by Owner
Failure to inspect the venting system and have it repaired by
a qualied service technician can result in vent system failure,
causing severe personal injury or death.
Visually inspect the intake piping for any signs of blockage. Inspect
the entire length of the intake pipe to ensure piping is intact and all
joints are properly sealed. Inspect the intake pipe bracing. Ensure
bracing is undamaged and in good condition. Notify a qualied
service technician if any problems are found.
Check Pressure Relief Valves
• Visually inspect the primary pressure relief valves and
discharge pipes for signs of weeping or leakage.
• If the pressure relief valves often weep, the expansion tank
may not be operating properly. Immediately contact a
qualied service technician to inspect the boiler and system.
Check Exhaust Vent Condensate Drain System
• While the boiler is running, check the discharge end of the
condensate drain tubing. Ensure no ue gas is leaking from
the condensate drain tubing by holding your ngers near the
opening.
• If you notice ue gas leaking from the opening, this indicates
a dry condensate trap. If problem persists, contact a qualied
service technician to inspect the boiler and condensate line and
rell the condensate trap.
• If applicable, check the condensate neutralizer and ensure it is
full of condensate neutralizing marble chips.
C. 6 Month Maintenance - To Be Performed by Owner
Check Primary and Gas Piping
• Remove the boiler cover and perform a gas leak inspection
following Operating Instructions, page 2, this manual. If gas
odor or leak is detected, follow procedures on page 2. Call a
qualied service technician.
Have leaks xed at once by a qualied service technician. Failure to
comply could result in substantial property damage, severe personal
injury, or death.
Operate Pressure Relief Valve
• Before proceeding, verify that the relief valve has been piped to a
safe place of discharge, avoiding any possibility of scalding from
hot water.
To avoid water damage or scalding due to relief valve operation, a
discharge line must be connected to the valve outlet and directed
to a safe place of disposal. This discharge line must be installed
by a qualied service technician or heating/plumbing installer in
accordance with the boiler installation manual. The discharge line
must be terminated so as to eliminate possibility of severe burns or
property damage should the valve discharge.
• Read the pressure gauges to ensure the system is pressurized.
Normal CH pressure will range from 15 - 30 psi. Boiler may not
operate if pressure is lower than 15 psi.
• Lift the relief valve top lever slightly, allowing water to relieve
through the valve and discharge piping.
• If water ows freely, release the lever and allow the valve to seat.
Watch the end of the relief valve discharge pipe to ensure that
the valve does not weep after the line has had time to drain. If the
valve weeps, lift the lever again to attempt to clean the valve seat.
If the valve does not properly seat and continues to weep, contact
a qualied service technician to inspect the valve and system.
• Repeat the process on any other relief valves.
• If water does not ow from the valve when you completely lift
the lever, the valve or discharge line may be blocked. Immediately
shut the boiler down per instructions on page 2 and call a qualied
service technician to inspect the valve and system.
D. Annual Maintenance - To Only Be Performed by a
Qualied Service Technician
Check the Burner
The burner should be checked and cleaned only by a qualied service
technician.
Clean the Combustion Chamber
Cleaning the boiler combustion chamber heat exchanger is a
complicated procedure that should only be performed by a qualied
service technician.
Check CH Loop Water Quality
Ensure CH Loop Water Quality is within the requirements in the
installation manual.
Combi Models - Flush DHW Loop
The DHW loop may require more than annual cleaning depending on
water quality, temperature, and usage.
NOTE: Flushing the boiler heat exchanger and CH and DHW loops are
complicated procedures that should only be performed by a qualied
service technician.
NOTE: Improper maintenance WILL VOID boiler warranty.
See boiler Installation Manual for list of Maintenance procedures as
well as instructions for replacing components.
• Visually inspect for leaks around the internal boiler water
connections and around the heat exchanger. Visually inspect the
external system piping, circulators, and system components and
ttings. Immediately call a qualied service technician to repair
any leaks.
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