CCI Thermal Technologies AV - Advanced Vertical Unit Heater - Manuel (Page 2)

2
For Heat-Exchanger Unit Heaters
HEATER MAINTENANCE CHECKLIST
Heater Model:
Date of Maintenance:
Comments: Serial No.:
Maintenance Done By:
WARNING!
Heater should only be serviced by qualified personnel with heating equipment experience.
Disconnect heater from power supply before servicing heater. Lock the switch in the
“OFF” (open) position and/or tag the switch to prevent unexpected power application.
PERIODIC (before and as required during heating season)
1. CLEAN Finned Tubes
Fan
Fan Guard
Motor
Louvers
2. CHECK Motor for smooth, quiet operation
Louvers for proper angle and tightness
Electrical junction box cover for tightness
ANNUAL (before heating season)
Remove dust using compressed air. Do not spray with water or solvents.
1. ELECTRICAL
Check all terminal connections and conductors. Tighten loose connections. Conductors with
damaged insulation must be replaced.
2. MECHANICAL
Check for fluid leakage. If any fluid leakage occurs from the heater, remove it from service and
have the heat exchanger replaced. A factory supplied heat exchanger can be shipped in less
than a week from stock. Refer to the “Repair and Replacement” section for details.
Electrical junction box. Inside of enclosure must be clean, dry, and free of foreign materials.
Cover must be completely on and tight.
Check motor shaft bearing play. Replace motor if play is excessive or if motor does not run
quietly and smoothly. Motor bearings are permanently lubricated.
Check fan. Replace immediately if cracked or damaged.
Check louvers. Louver screws should be tight. Louvers are not to be closed more than 75˚
from horizontal.
Check the tightness of all hardware. All nuts and bolts, including mounting hardware, must be
tight.
TURN HEATER MOTOR ON FOR A MINIMUM OF 15 MINUTES. Check for air exiting heater
through louvers and smooth running of fan motor.
For assistance, please call
Toll Free: 1-800-661-8529 (24 hrs)
U.S. & Canada
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