Owner's Manual

Ventilation System 692481EF07
6
Control Panel
The control panel has a 3-position selector switch
and “+” and “” buttons for speed control. The color
of the LED indicator indicates the current function
of the selector switch.
GREEN LED = Mode Control (normal operating
mode)
YELLOW LED = Balancing Control
Speed Control used as a Mode Control
When the LED indicator is green, the selector switch functions as a Mode Selector. The selections are:
INTER (Intermittent): When the selector switch is in the intermittent position the unit will run only when
there is a call for ventilation by any external control. At that time the unit will run on high speed until the
condition is satisfied.
CONT (Continuous): When the selector switch is in the continuous position the unit will run
continuously on low speed except when there is a call for override by any control.
OFF: When the selector switch is in the off position the unit will not operate even when there’s a call for
ventilation by an external control.
(+) and () buttons: Used to adjust the continuous speed setting.
Speed Control used as a Balancing Control
In balancing mode the LED indicator is yellow, and the selector switch functions as a Balancing Control
to set the high speed of the motors for balancing purposes (Fresh air, Exhaust air, and Both motors). The
selections are:
INTER: Selects the exhaust air motor.
CONT: Selects both exhaust and fresh air motors.
OFF: Selects the fresh air motor.NOTE: Continuous low speed is 50% of the set high speed.NOTE:
See Balancing Steps on page 7.
Speed Control used as a Motor Control
+ Button: Increase the speed of the selected motor.
– Button:Decrease the speed of the selected motor. NOTE: See Balancing Steps on page 7.
LED
3-POSITION
SELECT
OR SWITCH
SPEED CONTROL
BUTTONS (+ AND -)
Speed
Control
Open for
Instructions
M32371