Note:
If you have electric heat, turn the
thermostat over
and find the GAS/ELECTRIC heat
selector on the back of the control
unit(see diagram below). Move the
selector jumper to the ELECT
position.
1) The 3M-08 can run on batteries only.
(2AA Alkaline)
The batteries will last well over 1 year. If the batteries are not replaced the
thermostat will stop working.
2) The 3M-08 can run on the C wire if available.
24VAC ONLY
As shown in the wiring diagrams, The C wire is the other side of the 24VAC
heating transformer. If the C wire is used, the batteries are not needed.
Power Options
Check Unit cont.
Congratulations, you have successfully installed your unit. Please
proceed to the OPERATING Guide to initialize the new thermostat.
PG
9
PG
10
Gas/Electric jumper