GSQ-SERES
USER MANUAL
2015.11.28
PAGE 8 OF 10
2157 Parkedale Avenue, Brockville,
Ontario, Canada, K6V 6v6
1 (613) 342-5424
MAINTENANCE
Disconnect and secure to the OFF position all electrical power to the fan prior to inspection or
servicing. Failure to comply with this safety precaution could result in
serious injury or death.
1.
Ventilator should be checked at least once a year. For critical or
severe applications a routine check every two to three months is
suggested.
2.
A periodic inspection of all fasteners should be
carried out to ensure they have not loosened due to
vibration. Particular attention should be paid to
fasteners attaching the wheel to the shaft.
FAN TROUBLE SHOOTING
WARNING: Make sure the unit is not capable of operation during reparation.
Problem
Possible Issue
Solution
Excessive
noise/vibration
Wheel rubbing inlet
Adjust wheel, loosen set screw(s) and
move the wheel, acquiring clearance
between inlet and wheel, then re-
tighten set screw(s)
Wheel unbalance
Check wheels for debris or dirt build up
and clean when necessary
Object in rotation area or
housing
Remove object
Motor compartment loose
Re-tighten the fasteners
High Horsepower
Wrong wheel rotation
Re-wire the motor to change direction of
rotation
Improper duct system
Re-size ductwork
Fan does not
operate
Malfunction of electrical supply
Check supply voltage, fuse and switch
Malfunction of motor
Check wiring and overload protector
Motor
overload/overheat
Wrong wheel rotation
Re-wire the motor to change direction of
rotation
Reduced airflow
Damper Malfunction
Check opening side of back draft
damper, check operation status of
controlled damper
Wrong wheel rotation
Re-wire the motor to change direction of
rotation
Improper Duct System
Check obstruction of duct in the duct or
dirty filter
