Sophomore Series 4000 & 5000 Cabinet - Classroom Air Handler - Owner's Manual - Installation, Operation, and Service Instructions
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Cleaning Energy Recovery Wheel (ERW)
1. Turn OFF electrical power to the unit.
2. Open front service panels with the key provided.
3. Open ERW damper.
4. Carefully reach in with vacuum end and vacuum the core making sure to rotate
the wheel.
5. Using low psi compressed air blow dirt out of the core on exhaust side making
sure to rotate the wheel.
6. Once clean close the doors and turn electrical power back on.
4.14 Figure 7 | Cleaning Energy Recovery Wheels (ERW)
Fig. 7 Cleaning Energy Recovery Wheels (ERW)
4.13 Cleaning Energy Recovery Wheels (ERW)
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