VENTILATION FAN
WARNING
Models:
SA-90DC3
SA-90DC3H
SA-90DC3HM
READ AND SAVE THESE INSTRUCTIONS
Installer: Leave this manual with the homeowner.
CAUTION
CLEANING & MAINTENANCE
OPERATION
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
1. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer at the address or telephone number
listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switched on
accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.
3. 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.
4. Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent backdrafting.
Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National Fire Protection Association
(NFPA), and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities.
5. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. Acceptable for use over a tub or shower when connected to a GFCI (Ground Fault Circuit Interrupter) - protected branch circuit (ceiling installation only).
8. This unit must be grounded.
1. For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors.
2. This product is designed for installation in ceilings up to a 12/12 pitch (45 degree angle). Duct connector must point up. DO NOT MOUNT THIS
PRODUCT IN A WALL.
3. To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall spray, construction dust, etc. off power unit.
4. Please read specification label on product for further information and requirements.
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.
50
80
100
1 2
1 2
1 2
Switch position
Duct diameter
Airflow(CFM)
4"
T(min)
S
Max.
OFF
50%
70%
30
12
1 2
21
OFF
3
Low
airflow
knob
Time
delay
knob
Toggle
switch
Control
box
30CFM
For SA-90DC3
To change the pre-selected airflow,adjust
the control switches as per the table above.
is the position of switch
Humidity
sensor
knob
50
80
100
1 2
1 2
1 2
Switch position
Duct diameter
Airflow(CFM)
4"
H(%)
S
Max.
OFF
50%
70%
80
45
1 2
60
30
OFF
Low
airflow
knob
Toggle
switch
Control
box
30CFM
For SA-90DC3H SA-90DC3HM
To change the pre-selected airflow,adjust
the control switches as per the table above.
is the position of switch
See “Connect Wiring” for details.
The control box, located inside the fan housing, has three separate adjustments:
(1) The low airflow knob adjusts the lower airflow from 30 CFM up to the air flow rate of the high fan speed determined by the toggle switch setting.
The low airflow setting is de-activated when set between OFF-30CFM (factory set to OFF)
(2) For SA-90DC3 The time delay knob is adjustable from 3 to 30 minutes and will switch the fan to the low speed setting after the switch II is turned off
for the set period of time.
The time delay setting is de-activated when set between OFF-3 mins (factory set to OFF).
SA-90DC3H and SA-90DC3HM the humidity sensor knob set user-adjustable setpoint.
The humidity sensor is de-activated when set between OFF-30% (factory set to 80%).
(3) The toggle switch will adjust the upper fan speed setting from 50 to 100 CFM (factory set to 100CFM).
b y A i r S p e c i a l i t i e s
Cod: 0060300000-A