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1F85U-42PR, 80 Series Thermostats

SKU: 1F85U-42PR

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.

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Features

  • 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

Specifications

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

Documents & Drawings

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