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Freshman Series - Owner's Manual - Installation, Operation, and Service Instruction - Version 1.1 EN
5.6 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 ow and/or using an
environmentally safe cleaner, spray top side of coil and allow to soak for sev-
eral minutes.
4. If required, wipe up drips and excess spray (allow to dry if required).
5. Re-assemble unit and test.
Cooling Coil
Gain access to back side of coil through supply fan opening (removal required) -
blow through design; or through lter opening - (draw through design).
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 ow and/or using an
environmentally safe cleaner, spray top side of coil and allow to soak for sev-
eral minutes.
4. If required, wipe up drips and excess spray (allow to dry if required).
5. Re-assemble unit and test.
can be damaged easily.
Clean with care.
Figure 4 | Coil Maintenance
Wear eye protection
when working with
compressed air.
General Preventative Maintenance
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