ANNUAL MAINTENANCE
1.Inspect and conduct the same procedures as outlined under Quarterly Maintenance.
2.To maintain peak latent (moisture) removal capac- ity, 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 reinstalling.
4.No
5.If any belt chirping or squealing noise is present, apply a small amount of
FIGURE 29
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