Unit Heater Maintenance Suggestions, How to maintain a unit heater
Unit heater maintenance suggestions speak to how to maintain a unit heater and unit heater maintenance procedures for unit heaters and fan coils.
Quarterly
Check for particulate accumulation on filters. Clean or replace if accumulation results in pressure drop
or air flow outside of established operating limits.
Check UV lamp. Clean or replace as needed to ensure proper operation.
Check air filter and housing integrity and correct as needed at time filters are replaced or serviced.
Semi-annually
Check steam traps, pumps and controls. Clean or replace as needed to ensure proper operation.
Check control system and devices for evidence of improper operation. Repair, or adjust or replace components to ensure proper operation.
Check P trap. Prime as needed to ensure proper operation.
Check fan belt tension. Check for belt wear and proper alignment. Replace if necessary to ensure proper operation.
Check for proper operation of cooling or heating coil. Clean, restore or replace as required.
Annually
Check control box for dirt, debris and or loose terminations. Clean and tighten as needed.
Check fan blades. Clean, repair or replace as needed to ensure proper operation.
Check refrigerant system pressures or temperatures. If outside of recommended levels, find cause, repair and adjust refrigerant to achieve optimal operating levels.
Check for fouling, corrosion or degradation. Clean or repair as needed.
Check drive alignment, wear, seating and operation. Repair and replace as needed.
Check integrity of all panels on equipment. Replace fasteners as as needed to ensure proper integrity and fit finish of equipment.
Lubricate field serviceable bearings.
Check drain pan, drain line and coil for biological growth. Clean as needed.
Check coil fins. Restore if possible. Replace coil if necessary.
Inspect for evidence of moisture carryover beyond the drain pan from cooling coil. Make corrections or repairs as necessary.
Check for damper operation. Repair, replace or adjust as needed.
Visually inspect areas of moisture accumulation for biological growth. If present, clean or disinfect as needed.
Check condensate pump. Clean or replace.
Building Maintenance Checklist
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