2
Requirements
Turn off power supply before beginning
installation. Use this controller only as
described in this manual. Do not install
the controller on outside walls (where
there is unconditioned space on opposite
side of wall) or in locations where direct
sunlight may be present.
Installation
WARNING
IBe sure that power supply has
been turned off before beginning
installation.
CAUTION
Clean controller using a clean, damp
cloth. Do not spray cleanser on or
around controller.
WARNING
Do not operate controller with wet
hands.
CAUTION
Do not install controller in areas where
heavy oil, vapor, or gases containing
sulfur may exist or the controller may
be damaged.
IMPORTANT!
Read all of the information in this
manual before using this controller.
All wiring must conform to local and
national building and electrical codes
and ordinances. This is a 5 VDC
controller. Do not install on voltages
higher than 5 VDC.
• This manual provides the installation
instructions for this controller. Refer to
the included wiring diagram to connect
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.
• Ground the shielded control wiring.
• Do not use a megger to test insulation.
• The controller cable length should not
exceed 40 ft. (12 m).
