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XIV. Service and Maintenance
IMPORTANT
Warranty does not cover boiler damage or malfunction if the following steps are not
performed at the intervals specifi ed.
Continuously:1)
Keep the area around the boiler free from combustible materials, gasoline and other fl ammable vapors a)
and liquids.
Keep the area around the combustion air inlet terminal free from contaminates .b)
Keep the boiler room ventilation openings open and unobstructed.c)
Monthly Inspections:2)
Inspect the vent system to verify that it is open, unobstructed and free from leakage or deterioration. a)
Call the service technician to make repairs if needed.
Inspect the condensate drain system to verify it is leak tight, open and unobstructed. Call the service b)
technician if the condensate drain system requires maintenance.
Inspect the water and gas lines to verify they are free from leaks. Call the service technician to make c)
repairs if required.
Check the pressure on the boiler and make sure that it is approximately 15psi. If the pressure is less d)
than 5psi, add water to bring the pressure up to 15psi.
Annual Inspections and Service3) : In addition to the inspections listed above the following should be
performed by a qualifi ed service technician once every year:
Follow the procedure for turning the boiler off found in the MWC Series Lighting and Operating a)
Instructions.
Inspect the wiring to verify the conductors are in good condition and attached securely.b)
Access the combustion chamber. To do this remove the front and side jacket panels as shown in c)
Figure 11.1 Remove the inner cover as shown in Figure 12.5. Remove the Combustion Chamber
cover as shown in Figure 14.1.
Inspect the fi ns on the primary heat exchanger. If any dirt is observed on the fi ns, cover the burner to d)
protect it from falling debris and clean the heat exchanger with a soft brush.
CAUTION
Water leaks can cause severe corrosion damage to the boiler or other system components. Im-
mediately repair any leaks found.
CAUTION
Label all wires prior to disconnection when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper operation after servicing.