8
9
DIVERSITECH TOUCH SCREEN THERMOSTAT INSTALLATION
WIRING LEGEND
TERMINAL
EQUIPMENT
STANDARD COLOR
Y1
First Heat Pump & AC
Yellow
G
Fan
Green
W2
First Stage Furnace
White
OBW
Reverse Valve - Second Stage Furnace
Orange
RH
24V AC Heat
Red
Y2
Second Heat Pump & AC
Unknown
C
Common
Blue
H
Humidity Control
Unknown
DH
Dehumidity Control, Variable Fan Control
Unknown
RC
24V AC Cool
Unknown
11 & 12
Not Used
NOTE: The above colors are standard in HVAC industry. The wiring should be
confirmed before installation
DIVERSITECH TOUCH SCREEN THERMOSTAT INSTALLATION
MOUNTING THE THERMOSTAT TO THE WALL
1.
Make sure to turn off the power supply located at the electrical service panel.
All heating and cooling units should be OFF.
2.
Remove the cover plate by pulling up the cover from the left or right side only.
3.
Align the thermostat unit to the wall.
4.
Mark the two locations for drilling the 3/16” holes required for the plastic screw anchors.
5.
Remove the thermostat and drill the two 3/16” holes in these locations.
6.
Insert the plastic gyproc screw anchors and tighten them securely.
7.
Make the appropriate wire connections based on the specifications of the
household HVAC unit(s). Please refer to Wiring Table to determine the appropriate
wire connections.
8.
Securely mount the thermostat unit to the wall with the two supplied screws.
9.
Fit the cover plate back by clipping one side first (left or right) and than push down
on the opposite side.
10.
Turn on the electricity at the electrical service panel.
