MUA-SVX01A-EN • Direct-Fired Make-up Air
51
Maintenance Schedule
Periodic maintenance is essential to the efficient operation and extended service
life of the direct fired equipment. Failure to provide maintenance as
recommended may void the equipment warranty.
WARNING
Hazardous Service
Procedures!
The maintenance and troubleshooting procedures recommended in this section
of the manual could result in exposure to electrical, mechanical or other
potential safety hazards. Always refer to the safety warnings provided
throughout the manual concerning these procedures. When possible, disconnect
all electrical power including remote disconnects before servicing. Follow proper
lockout/tagout procedures to ensure the power can not be inadvertently
energized. When necessary to work with live electrical components, have a
qualified licensed electrician or other individual who has been trained in
handling live electrical components perform these tasks. Failure to follow all of
the recommended safety warnings provided, could result in death or serious
injury.
WARNING
Hazardous Gases
and Flamable
Vapors!
Exposure to hazardous gases from fuel substances have been shown to cause
cancer, birth defects or other reproductive harm. Improper installation,
adjustment, alteration, service or use of this product could cause flammable
mixtures. To avoid hazardous gases and flammable vapors follow proper
installation and set up of this product and all warnings as provided in this
manual. Failure to follow all instructions could result in death or serious injury.
1.
After 8-hours of operation:
a. Check that the fan belts are tight and sheaves are aligned. The fan belts
should be checked every 30-days after the first 60-days of new belt run-in.
b. Check set-screws and bolts on the fan, bearings, and burner assembly.
CAUTION
Equipment
Damage!
Do not overtighten belts. This could expose the equipment to damage.
2.
Monthly:
a. Check all valves, piping and connections for leaks.
b. Check the flame setting.
c. Check the fuel pressure in the fuel supply line to each heater.
d. Check the burner manifold pressure at full fire.
e. Clean the flame sensor(s) or UV sight tube(s).
f. Inspect filters. Clean or replace as necessary.
g. Inspect the main fan bearings.
h. Check all dampers, damper actuators and linkages. Adjust and tighten if
necessary.
i. Ensure that there are no obstruction blocking the air supply to the heater
or the air discharge from the heater.
j. Inspect the area and make sure that no combustible or hazardous material
has been stored within the clearances as shown on the unit nameplate.
Maintenance
