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THERMOSTATS
UNIVERSAL STAGING/HEAT PUMP THERMOSTATS – CLASSIC 80 SERIES THERMOSTATS
Single
Stage
Multi-
Stage
Heat
Pump Programs Model Applications
Thermostat Power Source*
Selectable Performance
Features
Comfort and
Convenience
Features Terminals
Stages Heat/Cool
by System
Program
Options
Periods
Per Day
Options
Model
Number
Gas / Oil / Electric3 Wire Zone ValveMillivolt CompatibleHumidity Control
(H)-Humidity / (D)-Dehumidify
Auto ChangeoverProgrammable FanEnergy Mgt. Recovery
Keypad Lockout
(T)-Total / (P)-Partial
Set-Point Temperature Limits
Adjustable Max/Min
Indoor Remote SensorsMax. Number + ThermostatAverage and/or WeightedOutdoor Remote Sensor
Display Size
(Square inches)Lighted DisplayCool Savings
Memory Back-Up
(P)-Permanent / (B)-Battery
1/1 2/2 3/2 7, 5+1+1
Ø
4, 2, Ø 1F85-277
Universal
3 3 B, H 3 3 T 3 2.2 3*** P R, C, E/W1, W2, Y1,
Y2, O/B, G, L
2/1 5+1+1 4 1F82-261
Heat Pump
 H 3 1.8 3*** P R, C, W2, E, Y, O/B,
G, L
2/1 Ø Ø 1F89-0211
Heat Pump
 H 1.8 3*** P R, C, W2, E, Y, O/B,
G, L
SINGLE STAGE THERMOSTATS – CLASSIC 80 SERIES THERMOSTATS
Single
Stage
Multi-
Stage
Heat
Pump Programs Model Applications
Thermostat Power Source*
Selectable Performance
Features
Comfort and
Convenience
Features Terminals
Stages Heat/Cool
by System
Program
Options
Periods
Per Day
Options
Model
Number
Gas / Oil / Electric3 Wire Zone ValveMillivolt CompatibleHumidity Control
(H)-Humidity / (D)-Dehumidify
Auto ChangeoverProgrammable FanEnergy Mgt. Recovery
Keypad Lockout
(T)-Total / (P)-Partial
Set-Point Temperature Limits
Adjustable Max/Min
Indoor Remote Sensors
Max. Number + ThermostatAverage and/or WeightedOutdoor Remote Sensor
Display Size
(Square inches)Lighted DisplayCool Savings
Memory Back-Up
(P)-Permanent / (B)-Battery
1/1 1/1 7-day 4 1F87-361 3 3 B, H 3 2.2 3 P RC,RH, C, W, Y,O,
B, G
1/1 1/1 5+1+1 4 1F80-361 3 3 B, H 3 2.2 3 P RC,RH, C, W, Y,O,
B, G
1/1 1/1 Ø Ø 1F86-344 3 3 B, H 2.2 3 P RC,RH, C, W, Y,O,
B, G
CLASSIC 80 SERIES
THERMOSTATS
?
24 VOLT
* H = Hardwired (Requires Common)  Heat Pump for Stage 1, and Gas / Oil / Electric for 2nd stage / Emergency
B, H = Battery Powered or Hardwired *** Optional Continuous Display Light w/ Hardwire connection
B = Battery Powered
pages
159–161
TECHNICAL HELP
1F80-224 -240, -241, -361 /
1F86-241, -344 / 1F87-361...Wiring Diagrams/Configuration.........See page 159
1F82-261 / 1F89-211. ............Wiring Diagrams/Configuration.........See page 160
1F85-277...............................Wiring Diagrams/Configuration.........See page 161
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