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6.16 Maintenance Plan for Air Handling Units
The following table (see Table 4) gives recommended maintenance intervals for the CLCH unit. Intervals are based upon normal
running conditions, in a moderate climate, and assuming 24-hour running.
Units operating outside these guidelines may require shorter or longer maintenance intervals.
Table 4 – Recommended Maintenance Intervals
Component
Check the Following
Weekly
Monthly
3-6 Monthly
Annually
(see section)
(see section)
(see section)
(see section)
Fan / Motor
Fan In General
Yes (6.1)
For Corrosion
Yes (6.1)
Flexible Connection
Yes (6.1)
Anti-Vibration Mounts
Yes (6.1)
Inlet Guide Vane Controller
Yes
Drainage
Yes (6.1)
Fan Bearing
Yes (6.2)
Motors In General
Yes (6.3)
Motor Bearing
Yes (6.3)
Belt Drive In General
Yes (6.5)
Filters
Panel Or Bag Filters
Yes (6.7)
Roll Filters
Yes
Absolute Filters
Yes
Coils
Fin Block
Yes (6.8.1.)
Frost Protection
Yes (6.8.2.)
Drainage
Yes
Drop Eliminator
Yes (6.8.3.)
Steam Coils
Yes (6.8.4.)
Humidifiers
Scaling
Yes (6.10)
Condensate Drain
Yes (6.10)
Dampers
Dampers
Yes (6.11)
Attenuators
Scilencers
Yes (6.12)
Inlet / Outlet
Hoods And Louvers
Yes (6.13)
Energy Recovery Components
Plate Heat Exchangers
Yes (6.14)
Thermal Wheel
Yes (6.15)
Controls
Control Box And Wiring
Yes
6. Maintenance
CLCH-SVX05A-GB