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Annual Maintenance
1. Inspect and conduct the same procedures as
outlined under Quarterly Maintenance.
2. To maintain peak latent (moisture) removal
capacity, it is recommended that the energy
recovery wheels be sprayed with a diluted nonacid
based evaporator coil cleaner or alkaline detergent
solution such as 409.
NOTE: Do not use acid-based cleaners, aromatic
solvents, temperatures in excess of 170°F or
steam. Damage to the wheel may result.
Do not disassemble and immerse the entire
heat wheel in a soaking solution, as bearing
and other damage may result.
3. Rinse wheel thoroughly after application of the
cleaning solution and allow to drain before re-
installing.
If belt "squeaks" or "chirps"
lubricate lightly with LPS-1
or equivalent "dry film"
lubricant.
Manual 2100-512B
Page
14 of 15
4. No re-lubrication is required to heat wheel bearings
of the drive motor, or to the intake and exhaust
blower motors.
5. If any belt chirping or squealing noise is present,
apply a small amount of LPS-1 or equivalent dry
film lubricant to the belt.
FIGURE 7
Belt Replacement Instructions
(Two Wheel Cassette Only)
Route this part of replacement
belt in top groove of pulley.
Route this part of replacement
belt in bottom groove of pulley.
Belt Replacement
Instructions
MIS-1890
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