
Form611130
MODEL: VQ080ESBV VQ090ES 
VQ110ES VQ120ES 
VQ150ES 
READ AND SAVE THESE INSTRUCTIONS
WARNING   
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN JURY 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. 
9. Never place a switch where it can be reached from a tub or 
shower. 
10. To reduce the risk of fire use only metal ductwork. 
CAUTION   
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. 
Installer: Leave this manual with the owner. 
CEILING VENTILATOR 
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. 
OPERATION   
Use an on/off switch to operate this fan. See “Connect Wiring” 
for details.
WARRANTY   
LIMITED WARRANTY Acme Engineering and Manufacturing Corporation extends 
this limited warranty to the original purchaser and warrants that products described 
herein shall be free from original defects in workmanship and materials for two 
years from date of shipment provided same have been properly handled, stored, 
installed, serviced, maintained and operated. THIS WARRANTY DOES NOT 
EXTEND TO FLUORESCENT LAMP STARTERS AND TUBES.
MS149 for complete limited warranty terms and conditions. This form is available 
to anyone at www.acmefan.com. The Company's warranty is in lieu of all other 
warranties, express or implied, arising by law or otherwise, including without 
limitation the implied warranties of merchantability and fitness for a particular 
purpose, which are hereby expressly disclaimed claimed and waived. 
Acme products are designed and manufactured to provide reliable performance but 
they are not guaranteed to be 100% free of defects. Even reliable products will 
experience occasional failures and this possibility should be recognized by the 
Purchaser and End User. If these products are used in a life support ventilation 
system where failure could result in loss or injury, the Purchaser and End User 
should provide adequate back-up ventilation, supplementary natural ventilation or 
failure alarm system, or acknowledge willingness to accept the risk of such loss or 
injury. 
WARNING DO NOT use in HAZARDOUS ENVIRONMENTS where fans electrical 
system could provide ignition to combustible or flammable materials unless unit is 
specifically built for hazardous environments. Comply with all local and national 
safety codes including the National Electrical Code (NEC) and National Fire 
Protection Act (NFPA). Guards must be installed when fan is within reach of 
personnel or within eight (8) feet (2.5 m) of working level or when deemed 
advisable for safety. 
DISCLAIMER The Company has made a diligent effort to illustrate and describe 
the products in this literature accurately; however, such illustrations and 
descriptions are for the sole purpose of identification, and do not express or imply a 
warranty that the products are merchantable, or fit for a particular purpose. 
INDEMNITY Purchaser acknowledges various warnings by the Company 
regarding the products and its installation and use. If the Company incurs any 
claims, lawsuits, settlements, or expenses (including attorney fees) for any loss, 
injury, death or property damage including, but not limited to, claims arising out of 
the Purchasers or any end users installation or use of the products, the Purchaser 
shall indemnify and hold the Company harmless. 
Acme Engineering and Manufacturing Corporation 
1820 N. York St., Muskogee, OK 74403 
918-682-7791
 Refer to Form 

CEILING VENTILATOR
TYPICAL INSTALLATIONS
  6” 
Housing 
mounted 
to I -joists 
. 
For a more quiet and efficient fan locate fan where the shortest 
duct run and a minimum number of elbows will be needed. 
Use a roof cap or wall cap that has a built-in damper to reduce 
backdrafts. 
NOTE: Model VQ080ESB4 uses a 4” duct. 
Housing mounted 
Housing mounted 
to
joists
to truss. 
. 
INSTALL HOUSING   
1a. Mount housing to joist or I-joist. Hold housing in 
place so that the housing contacts the bottom of the joist. 
The housing mounts with two(2) screws or nails. Screw or 
nail housing to joist through the holes in each mounting 
flange. 
6” 
PLAN THE INSTALLATION  
OR 
1b. Mount housing anywhere between 
trusses, joists, or I -joists using hanger 
bars. 
Sliding hanger bars are provided to allow for accurate 
positioning of housing anywhere between framing. They 
can be used on all types of framing (I-joist, standard joist, 
and truss construction) and span up to 24”. 

HANGER 
BAR 
Insert hanger bars in slots provided in housing. Make sure  
TABS face “up” as shown. Use the set of channel mounting    
holes to mount the housing flush with the bottom of the drywall.  
Use the other set of holes (not marked) to mount the housing  
flush with the top of the drywall. 
SCREW
Extend HANGER BARS to the width of the framing. 
Hold ventilator in place with the hanger bar tabs wrapping 
around the BOTTOM EDGE OF THE FRAMING. 
NAIL ventilator to framing or fasten with screws (not provided) 
through HOLES near nails. 
To ensure a noise-free mount: Secure hanger bars together 
*
with SCREWS or use p l i e r s to crimp mounting channels 
tightly around hanger bars. 
NAIL 
INSTALL DUCTWORK       
1. Attach 
damper/duct 
connector. 
Snapthe 
damper/duct 
connectoronto 
housing.Makesure 
thetabsonthe 
connectorlockinto 
slotsinthehousing. 
Ensuretheconnector 
sitsflushwiththetop 
ofthehousingand 
thedamperflapfalls 
closed.
    DUCT
CEILING VENTILATOR
2
.  Install 6” 
round duct 
work. 
CAUTION: ALL 
DUCTING MUST 
COMPLY WITH 
LOCAL AND 
NATIONAL 
BUILDING CODES 
Connect ductwork to 
fans damper/duct 
connector. Secure  
with tape or screw 
clamp. Connect ductwork to outside through a roof or 
wall cap. Check damper to make sure it opens freely.  
Tape all duct connections.
CONNECT WIRING        
Connect electrical wiring. 
Lock off and test all power sources before unit is wired. All 
wiring should be in accordance with local ordinances and 
National Electrical Code, NFPA70. Use proper UL 
approved connectors to secure wiring to wire plate. Ensure 
power supply (voltage, frequency, and current capacity of 
wiring) is in accordance with the motor nameplate. Connect 
all wiring as shown in wiring diagram.

1. Finish ceiling. 
Install ceiling material. Cut out around housing. 
2. Attach grille to housing. 
Squeeze grille springs and insert them into slots on 
each side of housing. 
3. Push grille against ceiling.
CEILING VENTILATOR
USE AND CARE 
WARNING: DISCONNECT ELECTRICAL POWER SUPPLY AND LOCK OUT SERVICE PANEL BEFORE CLEANING OR SERVICING 
THIS UNIT. 
The motor is permanently lubricated. Do not oil or disassemble motor. 
TO CLEAN GRILLE: 
CAUTION: Plastic parts can be cleaned with mild, soapy water (use a mild detergent, such as dishwashing liquid) and dried with a soft  
cloth. Do not use abrasive cloth, steel wool pads, or scouring powders. 
TO CLEAN FAN ASSEMBLY: 
Unplug fan assembly. To remove motor plate: Find the screw (#15) on the motor plate (located next to the receptacle). Push up near 
motor plate tab while pushing out on side of housing. Or insert a straight-blade screwdriver into slot in housing (next to tab) and twist 
screwdriver. Gently vacuum fan, motor and interior of housing. METAL AND ELECTRICAL PARTS SHOULD NEVER BE IMMERSED 
IN WATER.
SERVICE PARTS 
Key No.  Description 
1  
2  
3  
4  
5  
6  
7  
8 
9  
10  
11 
* 
12 
13  
14  
15
Product specifications subject to change without 
SERVICE NOTE To remove Blower Assembly: Unplug motor (7). Remove  
thumbscrew (15) from motor plate (9) flange. Find the single TAB on the motor plate (located 
next to the receptacle). Push up near motor plate tab while pushing out on side of housing.  
Or insert a straight-blade screwdriver into slot in housing (next to tab) and twist screwdriver. 
Housing 
Damper/Duct Connector 
Wiring Plate  
Screw  
Wire Panel/Harness Assembly  
Blower Wheel  
Motor  
Isolator (4 req’d) 
Motor Plate 
Washer (4 req’d)  
Nut, Hex Lock (4 req’d) 
Blower Assembly 
(includes key nos. 6 thru 11) 
Grille Assembly 
(includes key nos. 13) 
Grille Spring (2 req’d) 
Hanger Bar Kit  
Screw
notice. 
January2013 611130