Installation Guide
MODELS:
ITG50/VFB050B4A1
INSTALLATION AND OPERATING INSTRUCTIONS 
VENTILATION FAN 
READ AND SAVE THESE INSTRUCTIONS
General Safety Information 
1.  Make sure that the electric service supply 
voltage is AC 120V, 60Hz. 
2.  Follow all local electrical and safety codes, as 
well as the National Electrical Code (NEC) and 
the Occupational Safety and Healthy Act 
(OSHAct). 
3.  Always disconnect the power source before 
working on or near the ventilating fan, motor or 
junction box. 
4.  Protect the power cord from sharp edges, oil, 
grease, hot surfaces, chemicals or other 
objects. 
5.  Do not kink the power cord. 
6.  Do not install the unit where ducts are 
configured as shown in Fig. A. 
7.  Provide suction parts with proper ventilation. 
8.  This unit is UL listed for use over a bathtub or 
shower when installed in a GFCI protected 
branch circuit. 
WARNING 
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 any questions, 
contact the manufacturer. 
2.  Before servicing or cleaning the 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 qualified person(s) in accordance with 
all applicable codes and standards, including 
fire-rated construction. 
4.  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. 
5.  When cutting or drilling into ceiling, do not 
damage electrical wiring and other hidden 
utilities. 
6.  Ducted fans must always be vented to the 
outdoors. 
7.  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 Circuit Interrupter) – protected 
branch circuit. 
8.  Do not use this unit with any other solid-state 
control device. Solid-state controls devices may 
cause harmonic distortion, which can cause a 
motor humming noise. 
9.  NEVER place a switch where it can be reached 
from a tub or shower. 
10.  Not to be installed in a ceiling thermally 
insulated to a value greater than R50. (This is 
required for installation in Canada only). 
CAUTION
1.  For General Ventilating Use Only. Do Not Use 
To Exhaust Hazardous Or Explosive Materials 
And Vapors. 
2.  Not for use in cooking area. (Fig. B) 
3.  This product must properly connect to the 
grounding conductor of the supply circuit. 
4.  To reduce the risk of injury to persons, install 
the fan at least 8.2 feet (2.5m) above the floor. 
Cooking area
SUPPLIED ACCESSORIES
Part name
Appearance  Quantity 
Grille 
1 
Fan 
1 
Housing 
1 
4” Duct 
1 
Screw 
(M4x12) 
3 
DIMENSIONS 
SPECIFICATIONS 
Note: Design and specifications are subject to 
change without notice. 
Operation 
1.  Single Speed Model: ITG80 
  Single speed control mode: Turn the power 
switch to operate ON/OFF.   
MAINTENANCE WARNING: 
Disconnect the power source before working on the 
unit. Routine maintenance must be done every year. 
CAUTION: 
1.  Never use gasoline, benzene, thinner or any 
other such chemicals for cleaning the 
ventilating fan. 
2.  Do not allow water to enter the motor. 
3.  Do not soak resin parts in water over 60°C (140
o
F). 
CLEANING 
1.  Pull down the spring to remove the grille. 
2.  Wash and clean the grille. (Use non-abrasive 
kitchen detergent and wipe dry with a new 
cloth.) 
3.  Remove dust and dirt from the ventilating fan 
using a vacuum cleaner. 
4.  Using a cloth dampened with kitchen detergent, 
remove any dirt from the ventilating fan. Wipe 
dry with a new cloth. 
5.  Replace the grille. 
Model No. 
Voltage
(V) 
Frequency
(Hz) 
Power 
(W) 
Air Flow 
@ 0.1SP
(CFM)
Weight
(lb.) 
Note 
ITG50 
120
60  8  50
4.0 
Single
Speed
VFB050B4A1
120
60  8  50
4.0 
Single
Speed
Fig. A 
Fig. B 


