SAFETY INSTRUCTIONS
DVK100B fans are not explosion proof and should not be used when a potentially
explosive situation exists. Do not use where temperatures will exceed 140F/60C.
1. Ensure that the electrical service to the fan is locked in the “OFF” position. Do not re-establish
power supply until fan and activation device are completely installed.
2. DVK100B fans are not suitable for outdoor use.
3. This unit has rotating parts! Safety precautions must be exercised during installation, operation
and maintenance. Turn centrifugal impeller by hand to make sure it rotates freely.
4. For general ventilation use only. Do not use to exhaust hazardous or explosive materials
and vapors.
5. To reduce the risk of fire, electric shock, or injury to persons — observe the following:
a. Use this unit only in the manner intended by the manufacturer. If you have questions, contact
the factory.
b. A qualified person(s) must perform installation work and electrical wiring in accordance
with all applicable codes and standards, including fire-rated construction.
c. The combustion airflow needed for safe operation of fuel burning equipment may be
affected by this unit’s operation. Follow the heating equipment manufacturer’s guidelines
and safety standards as published by the National Fire Protection Association (NFPA), the
American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE), and
local code authorities.
d. When cutting or drilling into walls or ceilings, take care not to damage electrical wires or
other hidden utilities.
e. Ducted fans must always be vented to the outdoors when used to exhaust moist/humid air.
6. Check voltage at the fan to see that it corresponds to the motor nameplate.
DVK100B-P KIT
Kit includes:
Part #
Description
AXC100B In-Line Fan
MB150 Mounting Brackets (Set of 2)
PST120V Pressure Switch w/Probe, 36” Clear Tubing, Mounting Hardware
DVK-NTC Fan Location Label
DVK-P-I&M Installation & Maintenance Manual
PRESSURE SWITCH
The PST120V is an airflow proving switch. It initiates the booster fan when it senses positive air
pressure from an operating dryer, and has an integral timer with a 10 minute ON - 15 second OFF
cycle, enabling the fan to restart as long as the dryer is operating.
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