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Thermostat, Round™, Mercury Free, Manual

T87N1026/U

Thermostat, Round™, Mercury Free, Manual

  • Product Info
  • Literature
  • Accessories & Replacement Parts

Overview

The Round® thermostats provide electronic control of 24Vac heating and cooling systems with the classic twist to set dial.

Features

  • Mercury Free
  • Classic Styling
  • Premier White®
  • The T87K heat only works with 2 or 3 wire heat-only systems

Product Specifications

Hazmat Information
Button cell contained in equipment, Lithium metal button cells only contained in equipment, excepted per PI970
Application
1 Heat/1 Cool Conventional Systems and Heat Pumps with No Auxiliary Heat
Dimensions (in.)
4 in. diameter x 1 3/4 in. deep
Dimensions (mm)
102 mm diameter x 45 mm deep
Includes
6 in. (152 mm) cover ring and switch position labels
Comments
EASY-TO-SEE model with Large raised markings and a click at each 2 degree setpoint change
Item Type
Product
Mounting
Round
Electrical Ratings
20 to 30 Vac
Frequency
50 Hz; 60 Hz
Stages
1 Heat/1 Cool
Operating Humidity Range (% RH)
5 to 90% RH (non-condensing)
Supply Voltage
20 to 30 Vac
Switch Positions (System)
HEAT-OFF-COOL
Switch Positions (Fan)
AUTO-ON
Power Method
Battery assisted power stealing
Sensor Element
Thermistor
Accuracy (F)
± 2 F
Accuracy (C)
± 1 C
Color
Premier White®
Switch Type
Relay
Terminal Designations
R, Rc, W, Y, G, O, B
Changeover
Manual
Setting Temperature Range (F)
40 F to 90 F
Cycles per Hour
Adjustable 1, 3, 5, 9
Cool Current
0.02A to 1.0A running
Heat Current
0.02A to 1.0A running

Accessories

50010944-001/U

Range stop assembly with range stops for degree F and C

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Decorative Cover Plate for T8775, T87K,N