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Page 13
Cleaning and Maintenance
CAUTION
IN ORDER TO PREVENT MOTOR/CONTROL DAMAGE:
DO NOT remove motor plug to stop spinning motor.
Power must be disconnected (see WARNING on previous
page) before motor plug is removed or inserted into control
assembly.
To Clean
For quiet and efficient operation, long life and attractive
appearance, remove Grille and vacuum interior of unit with a
dusting brush attachment.
Do not use cleaning sprays, solvents or water on, or near, the
sensor.
Motor is permanently lubricated and never needs oiling. If
motor is making excessive or unusual noises, replace Control
Assembly and Motor.
Troubleshooting
Before continuing, turn off power as previously noted
in WARNING section on previous page and CAUTION
section at the top of this page.
Symptom: Fan does not run.
• Check for an open fuse or circuit breaker in the build-
ing's service panel.
• Check that the two (2) plug-in connections for the Motor
and the Control are seated firmly in place.
• Check two (2) plug-in connections for Sensor and its
Control are seated firmly in place.
• Check that the Blower Wheel spins freely.
Symptom: Humidity mode does not operate fan.
• Check two (2) plug-in connections for Sensor and its
Control are seated firmly in place.
Symptom: The fan runs erratically.
• Check that the Blower Wheel is firmly attached to the
Motor shaft and both spin freely.
Symptom: The fan seems noisy.
• Check that the back draft damper in the fan's Duct Con-
nector pivots freely. Screws used to attach the duct to
the Duct Connector may be preventing the damper from
opening.
• Check that the back draft damper in the wall or roof cap
pivots freely. These dampers are sometimes mistakenly
painted shut or obstructed by bird and insect debris.
Service Parts
7
Order replacement
parts by Part No.,
not by Key No.
5
Key No. Part No.
Description
1
97018349
Mounting Frame
2
97018721
Knockout Plate & Screws
3
97018382
Housing
4
97018474
Wiring Panel/Harness Assembly
5
97019015
Humidity Control Assembly & Grille Assembly
6
97018763
Control Assembly & Motor
7
97018331
Duct Connector - 6"
8
99020301
Blower Wheel
9
97018768
Scroll Assembly
10
99140208
Grille Spring (2 req'd)
11
99111542
Lens
12
99271381
Bulb, GU24 18W 3500K Fluorescent (2 req'd)
XN110HL Installation Guide
1
3
4
6
8
11
(includes Key Nos. 10, 11 & 12)
2
9
10
12
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