Installation of this ventilation system must be made in accordance with local codes. In the absence
of local codes, this unit should be installed in accordance with the National Electrical Code and
local codes.
This appliance must be electrically grounded in accordance with local codes or in the absence of
local codes with the National Electrical Code
ANSI/NFPA 70, or Canadian Electrical code CSA
C22.1.
USING THE VENTILATION SYSTEM
FEATURES OF THE VENTILATION SYSTEM
Speed controls are provided for each blower assembly. Two-blower systems will have one speed
control knob, while three or four-blower systems will have two speed control knobs.
A control knob is provided for lighting intensity.
The controls layout will be similar to that shown below.
USING THE HOOD
The user can start with the a hood on the lowest setting, and then increase speed and/or turn
on additional blowers as required. Using the hood at high settings may increase heating or air
conditioning requirements and costs for the house.
BLOWER CONTROL KNOB
To operate the blower(s), rotate the knob through the blower speed settings by turning it clockwise
(facing the knob).
Rotate the knob counter-clockwise to reduce the blower speed.
LIGHT CONTROL KNOB
To operate the lights, rotate the knob through the light intensity settings by turning it clockwise
(facing the knob). Rotate the knob counter-clockwise to dim the lights or turn them off.
1
2
4
3
2
Controls for two blowers
Controls for three and four blowers
Item Function
1
Blower control
2
Light control
3
Blower control
blowers 1 & 2
4
Blower control
blower 3 or
blowers 3 & 4
REGULATORY / CODE REQUIREMENTS
©2019 Hestan Commercial Corporation
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