1F85U-42PR | 80 Series Thermostat | Universal Multi Stage | White Rodgers White Rodgers

80 Series Thermostat | Universal Multi Stage

Emerson 80 Series thermostats offer a footprint that fits the install, features that fit the homeowner and support that fits your business. With a large, backlit display, easy to use design, flexible programming and dependable performance, 80 Series thermostats are the perfect fit for every application.

• Large display, bright backlight, high contrast screen
• Easy to install with built-in level, simple set-up menu and separate subbase
• Selectable programming, choice of 7 Day, 5+1+1 Day, 5+2 Day, or Non-Programmable is standard
• Dual fuel control, no outdoor sensor required, standard on all staging models
• Auto changeover on all universal models
• Keypad lockout and adjustable heat/cool temperature limits
• 5 year limited warranty for professionals

Program Options

Programmable – 7 Day, 5+1+1 Day or Non-Programmable

Program Periods Per Day Options

4, 2, None

Stages

Universal – Single Stage 1H/1C, Multi-Stage 2H/2C, Heat Pump 4H/2C

Style

Horizontal

Typical Applications

Gas/Oil/Electric

3-Wire Zone Valve Connections

Yes

Millivolt Compatible

Yes

Economizer Connections

No

Humidity Control

No

Humidity Control

RC, RH, C, W/E, W2, Y, Y2, O/B/6, G, L

Heat Pump Dual Fuel Control

Yes, No Sensor Required

Heat Pump Auxiliary Lockout Control – Outdoor Sensor Option

None

Remote Sensor Options

None

Power Source

Battery, Hardwire

Auto Changeover (Heat/Cool)

Yes

Fan Option

Auto, On

Filter Change Reminder

Yes

Energy Mgt. Recovery/Early Start

Yes

Keypad Lockout

Total

Set-Point Temperature Limits

Yes

Display Type

5 square in.

Backlight

Key Press or Continuous with Common Wire

Voltage

20-30 Vac, NEC Class II 50/60Hz

Battery Power Rating

mV to 30 Vac

Amp Rating

Staging Models: 1.5 A per terminal, 2.5 A maximum all terminals combined; Single Stage Models: 1.0 A per terminal, 1.5 A maximum all terminals combined

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