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THERMOSTATS
BLUE 4”
THERMOSTATS
?
pages
147–154
TECHNICAL HELP
1F80-0471 / 1F86-0471......Wiring Diagrams/Configuration...........See page 147
1F83-0471 / 1F85-0471......Wiring Diagrams. ................................See pages 148–149
1F83-0422 / 1F85-0422......Wiring Diagrams/Configuration...........See pages 149–151
1F85-0477...........................Wiring Diagrams/Configuration...........See pages 152–154
17
24 VOLT
UNIVERSAL STAGING/HEAT PUMP THERMOSTATS – BLUE 4” 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)-Dehumidity
Auto ChangeoverProgrammable FanEnergy Mgt. AwareKeypad 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 2/2 3/2 7, 5+1+1,5+2, Ø 4, Ø
1F85-0477
Universal    B, H   T  4.0 ***  P RC, RH, C, W/E, W2,Y,
Y2, O/B, G, L, 6
1/1 2/2 2/1 5+1+1,5+2, Ø 4, Ø
1F85-0422
Universal    B, H   T  4.0 ***  P RC, RH, C, W/E,W2,Y,Y2,.
O/B, G, L, 6
1/1 2/2 2/1 5+1+1,5+2, Ø 4, Ø
1F85ST-0422
Universal**    B, H    4.0 ***  P RC, RH, C, W/E, W2,Y,
Y2, O/B, G, L, 6
1/1 2/2 3/2 Ø Ø 1F83-0471
Universal    B, H  T  4.0 ***  P RC, RH, C, W/E, W2,Y,
Y2, O/B, G, L, 6
1/1 2/2 2/1 Ø Ø 1F83-0422
Universal    B, H  T  4.0 ***  P RC, RH, C, W/E, W2,Y,
Y2, O/B, G, L, 6
** ST model is Spanish language display
SINGLE STAGE THERMOSTATS – BLUE 4” 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)-Dehumidity
Auto ChangeoverProgrammable FanEnergy Mgt. AwareKeypad 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 1/1 5+1+1,5+2, Ø 4, Ø 1F80-0471    B, H    4.0 ***  P RC, RH, C, W, Y,
O/B, G
1/1 1/1 5+1+1,5+2, Ø 4, Ø 1F80ST-0471**    B, H   4.0 ***  P RC, RH, C, W, Y,
O/B, G
1/1 1/1 Ø Ø 1F86-0471    B, H    4.0 ***  P RC, RH, C, W, Y,
O/B, G
1/1 1/1 Ø Ø 1F86ST-0471**    B, H  4.0 ***  P RC, RH, C, W, Y,
O/B, G
* H = Hardwired (Requires Common) ** ST models are Spanish language display
B, H = Battery Powered or Hardwired *** Optional Continuous Display Light w/ Hardwire connection
B = Battery Assist Powered