PG 5
GAS
DIFFERENTIA
ELECT
PUMP
NORMAL
2
o
3
o
4
o
AA
AA
LOWBATT
LOWBATT
Please be aware of the followng power options
1) The 8082C 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 8082C 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 then for AC power loss only and
will last much longer. The thermostat will continue working if the batteries die.
6 Install Batteries
The 8082C requires batteries to operate your furnace
and retain its programming in memory.
Switch MODE switch to OFF and
the FAN switch to AUTO.
•
Insert 2 AA alkaline batteries according to the polarity
noted in the compartment.
•
Press the RESET button to clear transient program
memory. Initially, all LCD segments will go off.
NOTE: Replace the batteries when this LOW battery indicator
appears on the display or once a year. When replacing batteries, you
have approximately 1/2 minute before your custom program is lost.
4 Gas-Electric Selection
5 Heat Pump Switch
7 Power Options
Gas/ Electric
jumper
Heat Pump
Switch
Circuit
Board
Heat Pump
Differentia jumpers
Rear view of control unit
PG
6
REFER to the back of the Control Unit:
• If you have Electric Heat or a Heat Pump you must place the Gas/Electric
jumper in the ELECT position (thermostat controls the Fan).
• If you have Gas Heat the Gas/Electric Jumper should be in the GAS position
(furnace controls the Fan ).
NOTE: If you do not have a
Heat Pump, go to step 7.
• If you have a HEAT PUMP
switch the PUMP-NORMAL
switch to the PUMP position.
Reset the unit, the unit display
appear PUMP word.
• Select the desired Temperature
Differential jumper setting. This
determines how much your AUX
heat will come on. Select the
2,3,4, remember reset the unit.
2 is for comfort or cool climates
4 is for efficiency or warm
climates.
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