Owner’s Manual
Cleaning Supply and Intake Fans
1. Remove Fan from unit (Refer to Pg 6)
2. Take a brush or similar cleaning tool and clean blades of fan to remove built up attached dirt.
3. Use a vacuum or compressed air and clean entire fan including the blades.
4. Use SAE 20 non-detergent oil on the Standard Motor requiring oiling.
5. Replace fan in unit (Refer to Pg 6)
Standard Motor Fan Assembly
1
External Rotor Motor
Fan Assembly
(requires no oil)
Standard Motor
Fan Assembly
(without oiling ports,
requires no oil)
Oil Ports
(Use only SAE 20 non-detergent oil.)
(Blow dirt out with compressed air)
Motor Mounts
Standard Electric Motor
Blower Fins
Fan Housing
Fig. F
Fig. E
7
Coil Maintenance
Heating coil
(open access)
1. Using a coil brush remove/dislodge excess foreign matter.
2. Vacuum loosened foreign matter.
3. Using compressed air, clean coil in reverse direction of air flow
and/or using an environmentally safe cleaner, spray top side of
coil and allow to soak for several minutes.
4. If required, wipe up drips and excess spray (allow to dry if
required).
5. Re-assemble unit and test.
Primary Cooling coil
Gain access to back side of coil through filter opening.
1. Using a coil brush remove/dislodge excess foreign matter.
2. Vacuum loosened foreign matter.
3. Using compressed air, clean coil in reverse direction of air flow
and/or using an environmentally safe cleaner, spray top side of
coil and allow to soak for several minutes.
4. If required, wipe up drips and excess spray (allow to dry if
required).
5. Re-assemble unit and test.
Outdoor Air Cooling coil
Removal of the access panel is required before maintenance can
begin.
Gain access to back side of coil through the opening between the coil
pan the filter rack.
1. Using a coil brush remove/dislodge excess foreign matter.
2. Vacuum loosened foreign matter.
3. Using compressed air, clean coil in reverse direction of air flow
and/or using an environmentally safe cleaner, spray top side of
coil and allow to soak for several minutes.
4. If required, wipe up drips and excess spray (allow to dry if
required).
5. Re-assemble unit and test.
Compressed
Air
Vacuum (brush attachment)
Coil Maintenance
Fig. G
CAUTION: Coil fins are delicate and can
be damaged easily. Clean with care.
CAUTION
WEAR EYE PROTECTION
WHEN WORKING WITH
COMPRESSED AIR
CAUTION
WEAR EYE PROTECTION
WHEN WORKING WITH
COMPRESSED AIR
