Maintenance - Johnson Controls TVS Installation Instructions

Maintenance

Observe the following maintenance guidelines:
•
Fan Motor: No maintenance is required as the
motor is equipped with permanently lubricated
bearings.
•
Fan Wheel: Periodically inspect the fan wheel for
accumulation of dust; clean as necessary.
•
Filter (Optional): Replace the filter(s) as dictated
by specific project conditions.
•
Hot Water Coil (Optional): Inspect the hot water
coil periodically and clean fins if necessary.
Fan Motor Replacement
!
CAUTION: Disconnect all electrical power
sources before servicing unit. More than one
disconnect may be supplied; use proper
tag-out/lock-out procedures.
Note: For Models TVS and TVS-E, access is
provided through the plenum inlet opening. For Model
TVS-W, access is provided through the bottom access
panel.
To replace the fan motor, perform the following steps:
1. Remove the optional filter and/or induction sound
baffle (Models TVS and TVS-E only).
2. Disconnect the four electrical conductors from the
quick disconnect plug located at the base of the
motor.
Controls Group
507 E. Michigan Street
P.O. Box 423
Milwaukee, WI 53201
3. Beginning at the bottom, remove the four nuts
4. Remove the fan assembly.
5. Loosen the set screw that secures the fan wheel
6. Remove the three nuts that secure the motor
discharged prior to performing the next step.
7. Disconnect the two capacitor leads.
8. Slide the motor shaft out of the fan wheel collar.
Notes:
•
•
•
Parallel Flow Fan Powered Terminal (Model TVS) Installation Instructions
from the mounting lugs securing the fan housing to
the unit casing (be prepared to support the fan
housing as the last nut is removed).
to the motor.
brackets to the fan housing.
!
CAUTION: Verify that the capacitor is fully
Make sure the fan wheel is centered within the
housing before tightening the set screw. To avoid
vibration problems, do not over-tighten the motor
bracket nuts.
Reverse the fan motor replacement procedure
when installing a new motor.
Electrical components are not serviceable. Faulty
components should be replaced with authorized
parts to avoid conflict with the ETL listing.
Published in U.S.A.
www.johnsoncontrols.com
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