iDevices IDEV0005 Installation Manual page 7

Old
Label Wire Color
Thermostat
Y2 Grey
Y1 Yellow
G Green
L
C Black/Blue
9. Make sure you don't have
any 120/240V wires (look
for thick black wires with wire
nuts.) If you do, the iDevices
Thermostat is not compatible
with your system. If you're
not sure, call us at
888.313.7019.
10. Record the locations of any jumpers
and note whether there is a wire
connected to RC and/or RH.
11. Disconnect the wires from the existing
mounting plate (ensure the wires don't fall
back into the wall by gently wrapping them
Description
Stage 2 compressor
relay
Stage 1 compressor
relay
Fan relay
System monitor
Common of 24VAC
transformer
!
®
12
around a pen). Remove the mounting plate
from the wall.
12. Line up the iDevices
plate on the wall in the desired location.
Check that it is level and the wires are in
a position to fit through the hole on the
mounting plate. Use a pencil to mark anchor
locations on the wall.
13. Set the mounting plate aside. Drill two holes
(3/16" diameter) at the locations you
have marked.
14. Install the provided anchors into the wall, line
up the mounting plate to those holes and
install with the provided screws.
15. Head to the Wiring Configuration section,
starting on page 18, to find the configuration
that matches closest to your old thermostat
and note which system you have for later
reference.
Thermostat mounting
®
13