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APPENDIX
SHUTDOWN
APPENDIX F - MAINTENANCE
A qualified and adequately trained technician must perform the
inspection as specified in these instructions and in the Service
Manual (provided separately) before each heating season and at
regular intervals.
Servicing, inspection and adjustment must be done by a trained
technician in accordance with all applicable local and national
codes. Improper servicing or adjustment could damage the boiler
and result in equipment damage or a dangerous condition!
MAINTENANCE / INSPECTION SCHEDULE
Time interval
Verify the cleanliness of the area around the
Annually
boiler
Annually
Check the pressure of the hydraulic system
Check vent piping and verify if leaks are
Annually
present
Check air piping and verify if leaks are pres-
Annually
ent
Annually
Check relief valve
Monthly
(follow
local, state, federal
or local authority
Verify the condensate discharge system
having jurisdiction
guidelines)
Every two months
Test low water cut off
Every two months
Verify the reset button of low water cut off
Every six months
Check all piping (gas and water) for leaks
End
of
heating
Shut off the boiler
season
Annually *
Combustion test
Verify condition of flue and air system (in-
Annually *
cluding Venturi and fan)
Annually *
Check ignition electrode
Cleaning the combustion chamber (includ-
Annually *
ing the burner tube)
Annually *
Clean condensate discharge
Safety block check, modulation range check,
Annually *
gas valve closing after burner stop
Annually *
Check control parameters
Annually *
Check for gas piping leak
Annually *
Check wiring and connection
Annually *
Verify startup
Annually *
Verify the flame
Annually *
Check relief valve
Annually *
Inspect the burner gasket
(*) Annually or every 2000 hours. Whichever occurs first.
Maintenance
GAS LEAKING INSPECTION
Verify all gas piping to ensure that there are no leaks.
9
DANGER: To verify the gas leaks use a soap solution or a gas
leak detector. Do not use methods that can cause explosions!
CHECK EXHAUST AND COMBUSTION AIR PIPE SYSTEM
Clear vent systems of any obstructions, corrosion, physical dam-
age, water stains, rust. Verify the connection between the single
components.
Verify the outside terminations are clear. Clean the screens and the
louvers if there is any debris.
INSPECTION OF IGNITION ELECTRODE
Verify that the electrode is clean of deposits and use a dollar bill or
other material to remove deposits as required.
0.118" - 0.197"
1
Fig. 53 Inspection of ignition electrode
No.
1
Burner tube
2
Ignition electrode
CHECKING FOR WIRING AND CONNECTIONS
Check that all wiring is securely fastened and in good condition
without any cracking or alteration of isolation or presence of cor-
rosion in metallic connection.
BURNER GASKET INSPECTION
You must maintain the boiler as outlined in this manual and have
the boiler started up and serviced at least annually by a qualified
service technician to ensure boiler/system reliability.
This includes a combustion test and the cleaning of the combus-
tion chamber.
When disassembling the heat exchanger it is crucial to inspect the
Burner Gasket (green: part number 7738004985) for damage.
It is a must to replace the burner gasket when servicing and re-
quired if there is any signs of wear, deformity or discoloration of
the gasket and in any case not later than every two years.
40
40
40
2
Description
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