User Guide

Attention
 Only one main control can be installed on your system.
 Recirculation is not available on all models.
 Timers will not function when mode of operation is set to “OFF”, unless specifically installed for that function. (See
Installation Guide for other options.)
The Lifebreath Ventilation Control 99-BC04
The Lifebreath Ventilation Control offers advanced features to control your home's ventilation.
Key Features:
 2 speed fan setting (LOW / HIGH)
 Standby setting (fan OFF)
 20/40 mode
 Compatible with 99-DET02 Wireless
Timers
 Slim-line design
 Connect to 3 wire 20 gauge low voltage
wire
BC04 Operating Instructions:
Turning on the Control
Press and release the ON/OFF button . The
light above will illuminate.
Setting the Ventilation Speed
Press and release the Fan button to select LOW or HIGH fan speed. The corresponding “Indicator
Light" will illuminate. If both LO and HI indicator lights are off, the fan is OFF but will turn ON if
required by a remote Timer (if installed).
Setting 20/40 Mode
After a fan speed has been selected, press and release the 20/40 button. The “Indicator Light” will
turn ON and the control will be in 20/40 mode.
20/40 mode is a repeating cycle. The fan will run at the set speed, LO or HI, for 20 minutes then
turn OFF for 40 minutes.
Some units are equipped to Recirculate air in your home during the 40 minute cycle wi
th no
Ventilation. The control will automatically detect this feature and Recirculate air during the 40 minute
cycle at the selected fan speed.
20/40 Mode
Indicator Light
Fan Speed
Indicator
ON/OFF Light
ON/OFF Button
Fan Speed
Button
20/40 Mode
Button
7