3
Read all of the information in this man-
ual before using this controller. All wiring
must conform to local and national build-
ing and electrical codes and ordinances.
This is a 12 VDC controller. Do not in-
stall on voltages higher than 12 VDC.
Do not operate controller with wet
hands.
• This manual provides the installation
instructions for this controller. Refer to
the included wiring diagrams to con-
nect the controller to the indoor unit.
• The controller uses low voltage. Keep
a minimum distance of 12” (305 mm)
between low voltage control wire and
high voltage power wires.
Figure 1. Remove Controller from Back Cover
1. Remove the controller from the back
cover using a fl at head screw driver as
shown. See Figure 1.
Return air (T1) sensor.
Do not insert screw
driver.
Use these slots
to remove the
back cover.
CAUTION
!
IMPORTANT
!
