User Guide
70
1) Continuously:
a. Keep the area around the boiler free from combustible materials, gasoline and other
ammablevaporsandliquids.
b. Keep the area around the combustion air inlet terminal free from contaminates.
c. Keep the boiler room ventilation openings open and unobstructed.
2) Monthly Inspections:
a. Inspect the vent piping and outside air intake piping to verify they are open, unobstructed and free
from leakage or deterioration. Call the service technician to make repairs if needed.
b. Inspect the condensate drain system to verify it is leak tight, open and unobstructed. Call the service
technician if the condensate drain system requires maintenance.
c. Inspect the water and gas lines to verify they are free from leaks. Call the service technician to make
repairs if required.
4) Annual Inspections and Service: In addition to the inspections listed above, the following should be performed by a
service technician once every year.
a. Follow the procedure for turning the boiler off found in the Lighting and Operating Instructions, on page 59.
b. Turn off all power to the boiler.
c. Inspect the wiring to verify the conductors are in good condition and attached securely.
d. Verify that the gas shutoff shown in Figure 8.1 is closed
e. Disconnect the union under the boiler (Figure 8.1).
f. Remove the 8-32 nuts securing the gas escutcheon plate to the bottom cabinet panel.
g. Unplug the electrical connection to the gas valve.
h. Disconnect the air proving switch tube from the gas valve outlet tap.
i. Unplug the power and speed control cables from the blower.
NOTICE
Warranty does not cover boiler damage or malfunction if the following steps are not performed at
the intervals specied.
NOTICE
Water leaks can cause severe corrosion damage to the boiler or other system components.
Immediately repair any leaks found.
CAUTION / ATTENTION
Electrical Shock Hazard. Label all wires prior to disconnection when servicing controls. Wiring
errors can cause improper and dangerous operation. Verify proper operation after servicing.
Au moment de l´entretien des commandes, étiquetez tous les ls avant de les débrancher. Les
erreurs de câblage peuvent nuire au bon fonctionnement et être dangereuses. S´assurer que
l´appareil fonctionne adéquatement une fois k´entretien terminé.
WARNING
Fire Hazard. Explosion Hazard. Always use a back-up wrench on the gas union when making or
breaking this connection. Failure to do so can cause adjacent threaded connections to loosen or
damage to the gas valve. Check all internal gas piping for leaks any time it is disconnected or disturbed
during servicing.