WARNING
Supreme Series
MODEL ODD-500-4
PLEASE READ INSTRUCTION BEFORE COMMENCING INSTALLATION AND RETAIN FOR FUTURE REFERENCES.
HVAC related products can cause death or injury, or damage to property.
If in any doubt about the installation or use of this product, consult a competent technician.
CLEANING & MAINTENANCE
WARNING — THE INSTALLATION MUST BE CARRIED OUT BY A QUALIFIED ELECTRICIAN.
1. For general ventilating use only. DO NOT use to exhaust hazardous or explosive materials and vapours
2. To avoid motor bearing damage and noisy and/or unbalanced impellers,
keep drywall spray, construction dust, etc. off power unit
3. Read specification label on product for further information and requirements
Instruction Manual
1-888-543-6473
1-888-541-6474
13376 Comber Way
Surrey BC V3W 5V9
www.ortechindustries.com
375 Admiral Blvd
Mississauga, ON L5T 2N1
Application Notice
1. Use this unit only in the manner intended by the manufacturer. Contact the manufacturer in case of questions
2. Acceptable for use over a tub or shower when connected to a GFCI (Ground Fault Circuit Interrupter) — protected branch circuit (ceiling installation only)
3. To reduce risk of fire and to properly exhaust air, be sure to duct air outside — DO NOT vent exhaust air into spaces within walls or ceiling or into attics, crawl spaces, or garages
4. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switching on accidentally. When the
service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel
5. Installation work and electrical wiring must be done by a qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction codes and
standards. Ducted fans must always be vented to the outdoors. This unit MUST be grounded, and is NOT RECOMMENDED for use in kitchens
6. The fan MUST NOT be installed in ceiling thermally insulated to a value greater than R40
7. When cutting or drilling into wall or ceiling, DO NOT damage electrical wiring and other hidden utilities
8. To reduce the risk of fire or electric shock, DO NOT use this fan within any solid-state speed control device
CAUTION
For quiet and efficient operation, long life, and attractive appearance — lower or remove grille and vacuum interior of unit
with the dusting brush attachment. The motor is permanently lubricated and never needs oiling. If the motor bearings are
making excessive or unusual noises, replace the motor with the exact service motor. The impeller should also be replaced.
OPERATION
See "Connect Electrical Wiring" on page 3 of
this instruction manual for details
The control box, located inside the fan housing,
has two separate adjustments:
1) The low airflow knob adjusts the lower
airflow from 120 CFM up to the airflow rate
of the high fan speed determined by the
toggle switch setting
2) The toggle switch will adjust the upper fan
speed setting from 200 CFM to 500 CFM. Use
the optional accessory wall switch to operate
this fan. Use the low airflow knob to set the
motor speed according to diagram as you
need. You can also use the speed regulator
on the wall switch to set the speed, but
potentiometer MUST be rotated full CW for
control signal input. The wall switch can
control the start or stop of the fan
ON/OFF
switch
(optional)
Speed
controller
DMD-LED-3
Low airflow knob
Toggle switch
CAUTION
