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Service and maintenance schedules
Part number 550-100-260/0520
105
ECO
®
Tec
GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
(see User’s Information Manual)
Check boiler area.
Check air openings.
Check pressure/
temperature gauge.
Verify boiler jacket door is
securely in place.
Check vent piping.
Check air piping.
Check relief valve.
Check condensate drain
system.
Check automatic air vents
(if used).
Verify that domestic hot
water is being supplied
to fixtures at the correct
temperature.
Check boiler piping (gas
and water)
Operate relief valve.
(see page numbers indicated for details)
Address reported problems . . . . . . . . . . . . . . . . . . .107
Inspect boiler area . . . . . . . . . . . . . . . . . . . . . . . .107
Inspect boiler interior & jacket door gaskets. . . . . . . . . . .107
Clean condensate trap. . . . . . . . . . . . . . . . . . . . . .107
Check all piping for leaks . . . . . . . . . . . . . . . . . . . .107
Check air openings . . . . . . . . . . . . . . . . . . . . . . .108
Flue vent system and air piping . . . . . . . . . . . . . . . . .108
Check water system . . . . . . . . . . . . . . . . . . . . . . .108
Check expansion tank(s). . . . . . . . . . . . . . . . . . . . .108
Inspect ignition electrode . . . . . . . . . . . . . . . . . . . .108
Check ignition wiring. . . . . . . . . . . . . . . . . . . . . . .109
Check all boiler wiring . . . . . . . . . . . . . . . . . . . . . .109
Check control settings . . . . . . . . . . . . . . . . . . . . . .109
Perform startup and checks . . . . . . . . . . . . . . . . . . .109
Check low water cutoff . . . . . . . . . . . . . . . . . . . . .109
Check burner flame . . . . . . . . . . . . . . . . . . . . . . .109
Check flame signal. . . . . . . . . . . . . . . . . . . . . . . .109
Check blower speeds . . . . . . . . . . . . . . . . . . . . . .109
Natural gas firing rates and corresponding blower speeds . . .110
Propane gas firing rates and corresponding blower speeds . .111
Check blower speeds (continued) . . . . . . . . . . . . . . . .112
Check flue gas temperature . . . . . . . . . . . . . . . . . . .112
Manual Test Mode for Boilers . . . . . . . . . . . . . . . . . .112
3 Way Valve Test (Combi Model Only) . . . . . . . . . . . . . .112
Check Inlet gas pressure. . . . . . . . . . . . . . . . . . . . .112
Check Internal circulation pump . . . . . . . . . . . . . . . . .112
High Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Check boiler relief valve . . . . . . . . . . . . . . . . . . . . .113
Review with owner . . . . . . . . . . . . . . . . . . . . . . . .113
Reinstall jacket door after servicing . . . . . . . . . . . . . . .113
Check Inlet gas pressure. . . . . . . . . . . . . . . . . . . . .112
Check Internal circulation pump . . . . . . . . . . . . . . . . .112
Combi Models Only:
Check Combi 3-way valve, DHW function and brazed plate . .113
Clean DHW brazed plate. . . . . . . . . . . . . . . . . . . . .113
Clean DHW external filter and internal Combi manifold filters . . 113
Check DHW Temperatures . . . . . . . . . . . . . . . . . . . . . 113
Follow the service and maintenance procedures given throughout this manual and in component literature
shipped with the boiler. Failure to perform the service and maintenance could result in damage to the boiler
or system. Failure to follow the directions in this manual and component literature could result in severe
personal injury, death or substantial property damage.
Annual startup and general maintenance
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