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CAUTION

MODELS

VCDD090C • VCDD150C 

Page 1

READ AND SAVE THESE INSTRUCTIONS

TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK, OR
INJURY TO PERSONS, OBSERVE THE FOLLOWING:

1. Use this unit only in the manner intended by the manufac-

turer. 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 exhaust-

ing 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 or other hidden utilities.

6. Ducted fans must always be vented to the outdoors.
7. To reduce the risk of fire, use only metal ductwork.
8. If this unit is to be installed over a tub or shower, it must be

marked as appropriate for the application and be connected
to a GFCI (Ground Fault Interrupter) - protected branch 
circuit.

9. Never place a switch where it can be reached from a tub or 

shower.

10. This unit must be grounded.

1. For general ventilation use only. Do not use to exhaust 

hazardous or explosive materials and vapors.

2. To avoid motor bearing damage and noisy and/or unbal-

anced impellers, keep drywall spray, construction dust, etc.
off power unit.

3. Please read specification label on product for further 

information and requirements.

WARNING

CEILING/WALL-MOUNT
VENTILATORS • 120V

TABLE OF CONTENTS

This manual is divided into sections as follows:

“TYPICAL INSTALLATION”

This section shows a common installation in new and 
existing frame construction.
- Mounting (New Construction)
- Mounting (Existing Construction)
- Wiring
- Ducting (Horizontal Blower Discharge)

“MOUNTING OPTIONS”

“WIRING OPTIONS”

- Wiring Plate Position

“DUCTING OPTIONS”

- Blower Discharge Positions
- Ducting (Vertical Blower Discharge)

“USE AND CARE”

“SERVICE PARTS”

“WARRANTY”

Summary of Contents for VCDD090C

Page 1: ...ion and Air Conditioning Engineers ASHRAE and the local code authorities 5 When cutting or drilling into wall or ceiling do not damage electrical wiring or other hidden utilities 6 Ducted fans must always be vented to the outdoors 7 To reduce the risk of fire use only metal ductwork 8 If this unit is to be installed over a tub or shower it must be marked as appropriate for the application and be c...

Page 2: ...l codes DUCTING Horizontal Blower Discharge 12 ROUND DUCT 8 X 12 TO 12 ROUND TRANSITION GRILLE SCREW MOUNTING BRACKETS factory shipped in position for ceiling material CEILING JOIST 24 centers shown GRILLE Install after ceiling is finished Ventilator factory shipped in horizontal discharge position CEILING JOIST 24 centers shown GRILLE SCREW GRILLE FINISHED CEILING MATERIAL MOUNTING BRACKETS facto...

Page 3: ... sure blower assembly is completely dry before reinstalling Motor is permanently lubricated Do not oil or disassemble motor Ventilator shown in horizontal discharge position Factory shipped Ventilator shown in vertical discharge position Change movable panel to new location as shown WIRING OPTIONS Wiring plate mounts to side or top of housing WIRING PLATE POSITION Mounting brackets in factory ship...

Page 4: ...9500395 Insulation Back 19 97014788 Motor Bracket 20 99260477 Whiz Nut 20 11 req 21 99200202 Screw 20 x 5 req 22 97014785 Blower Scroll 23 99080490 Motor VCDD090C 99080491 Motor VCDD150C 24 93260447 Nut Hex Flange 5 16 18 5 req 25 98009516 Support Bracket 26 99680019 Wheel Clamp 27 99020274 Blower Wheel includes Key No 26 28 98009514 Inlet Ring 29 99150417 Screw 8 18 x 5 req 30 98009513 Scroll Sup...

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