1
Installation Instructions
PCD80XH
1. WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY, OBSERVE THE FOLLOWING:
1.
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.
2.
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.
3.
Sufficient air is needed for proper combustion and exhausting of gases through the flue
(chimney) of fuel burning equipment to prevent back drafting. 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.
4.
When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden
utilities.
5.
Ducted fans must always be vented to the outdoors.
6.
Acceptable for use over a tub or shower when connected to a GFCI (Ground Fault Circuit
Interrupter) - protected branch circuit (ceiling installation only).
7.
This unit must be grounded.
CAUTION
1.
For general ventilation 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 upwards.
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.
*The manual in electronic format can be downloaded on our website, or obtained from our dealer.
2. CLEANING & MAINTENANCE
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.
3. OPERATION
See “Connect Wiring Diagram” for details.
1.
Turn ON switch I, fan run continuously at the default
low speed (40 CFM) and automatically boost up to high
speed (80 CFM) when either of these conditions is
detected:
(a) Humidity above a user-adjustable set point (50%-
100% relative humidity).
(b) Rapid to moderate (user-adjustable) increases in
humidity. After delay timer (adjustable from 5 to 60
mins) returns fan to the default low speed. Humidity
sensor description according to “HUMIDITY SENSOR
OPERATION” and “SENSITIVITY ADJUSTMENT”.
When switch II is turned ON, the fan changes to high speed. When switch II is turned OFF, fan
will continue to run at the high speed until the delay timer has elapsed, and then will automatically
change to low speed.
