Technical information

Vitorond 200, VD2A Series Service
5354 789 - 01
16
Inspection and Maintenance
Maintenance Schedule
The following is an overview of scheduled service steps.
Regular service work ensures reliable, energy-efficient,
and environmentally friendly operation.
Frequency Performed by

Service
Monthly Owner /
Operator
Check the system pressure frequently (min. 20 psig).
Ensure proper operation of the boiler control.
Inspect all seals; retighten or replace as necessary.
Ensure an adequate supply of combustion air and ventilation air into and out
of the mechanical room is being maintained.
Annually Owner /
Operator
Ensure service work/test is conducted at least annually by qualified personnel,
and that any deficiencies are corrected immediately.
Heating
Contractor
Test functionality of safety high limits.
Test burner with burner accessories according to their corresponding maintenance
checklist.
Test and establish proper chemical makeup of system water.
Check flue pipe condition, chimney connection and chimney itself.
Check pressure relief valve and system pressure, and verify proper operation
of automatic feed if installed.
Check heating pipe joints, valves, air vents, etc. System leaks must be corrected
immediately to avoid further defects.
The cause of defect must also be determined in order to avoid further problems.
Check for proper combustion air supply and ventilation to boiler / mechanical room.
Check for combustible materials or chemicals stored too close to the boiler.
Test high limits by dialing lower settings, switching burner on/off to verify
functioning of same. Test low water cut-off, check and verify proper function
according to manufacturer’s instructions.
When circulating pump is field-installed or existing, check requirements
for maintenance or lubrication according to manufacturer’s specifications.
Check for oil-tight fuel lines; clean or exchange fuel oil filters annually.
Check and inspect oil tank.
Check for gas-tight connection of gas piping, unions, gas valve and manifold.
Check proper ignition on oil or gas burner operation.
Combustion test must be performed by a qualified service technician.
Ensure proper operation of door safety switch.
Ensure functionality of low water cut-offs, including flushing of float types (if used)
during operation, based on supplier’s instructions.
Inspect low- and/or high pressure gas switch (if used).
Inspect main burner flame and follow burner manufacturer’s instruction manual
for detailed service and maintenance guidelines. Manual shipped with burner.
All boilers and the boiler room must be kept free of high dust levels, high humidity,
aggressive vapors and/or chemicals containing chlorine.
Ensure proper boiler room ventilation and combustion air is maintained.
Valves, fittings and pipes not pressure tight must be repaired.
Combustion chamber door, clean-out opening covers, glass fiber rope seals and
flanges may need to be retightened and resealed.
IMPORTANT
Keep boiler and boiler room clear and free from combustible
materials, gasoline and other flammable vapors and liquids.
Do not obstruct the flow of combustion and ventilation air.
All inspection, maintenance, and service must be performed
by a qualified heating contractor.
Maintenance
The boiler must be cleaned at least once a year by
a qualified heating contractor or service agency.