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Environmental & Combustion Controls
T87N1000
The Round® Mercury Free Thermostat with manual changeover and R, Rc, W, Y, G, O, B terminals for single stage heating and cooling systems
Hazmat# UN3091 Lithium metal batteries packed in/with equipment

Locate Distributors Product Specifications   Literature and Documents
Overview
The Round® thermostats provide electronic control of 24Vac heating and cooling systems with the classic twist to set dial.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $91.77
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Features

• Mercury Free
• Classic Styling
• Premier White®
• The T87K heat only works with 2 or 3 wire heat-only systems
Product Specifications  Back To Top
Description The Round® Heat and Cool Mercury Free Thermostat
Application 1 Heat/1 Cool Conventional Systems and Heat Pumps with No Auxiliary Heat
Mounting Round
Changeover Manual
Color Premier White®
Stages 1 Heat/1 Cool
Power Method Battery assisted power stealing
Terminal Designations R, Rc, W, Y, G, O, B
Switch Positions (Fan) AUTO-ON
Switch Positions (System) HEAT-OFF-COOL
Switch Type Relay
Accuracy (F) ±1 F
Accuracy (C) ± 0.5 C
Dimensions (in.) 3 11/16 in. diameter x 1 3/4 in. deep
Dimensions (mm) 94 mm diameter x 45 mm deep
Setting Temperature Range (F) 40 to 90
Electrical Ratings 20 to 30 Vac
Frequency 50 Hz
Frequency 60 Hz
Cycles per Hour Adjustable 1, 3, 5, 9
Cool Current 0.02-1.2A running
Heat Current 0.02-1.2A running
Sensor Element Thermistor
Operating Humidity Range (% RH) 5 to 90% RH (non-condensing)
Voltage 20 to 30 Vac

Literature and other Resources Download Back To Top
Installation Instructions - (T87N (50010944 Range Stops, English, French, Spanish)
Owners Manual - (T87N/T87K The Round - English, French, Spanish)
Owner's Manual - (T87N Easy-To-See, The Round, English, French, Spanish)
Installation Instructions - (T87N Decorator Cover Plate for T8775 Thermostat - English, French, Spanish)
Sell Sheet - (T87N1026 The Round Mercury-Free Thermostat)
T87N_HeatCool_BW_3in Front(Photo_BW - Web Quality Image)
T87N_HeatCool_BW_3in Front(Photo_BW - Print Quality Image)
T87N_HeatCool_BW_6in Front(Photo_BW - Web Quality Image)
T87N_HeatCool_BW_6in Front(Photo_BW - Print Quality Image)
T87N_HeatCool_color_3in Front(Photo_Color - Web Quality Image)
T87N_HeatCool_color_3in Front(Photo_Color - Print Quality Image)
T87N_HeatCool_color_6in Front(Photo_Color - Web Quality Image)
T87N_HeatCool_color_6in Front(Photo_Color - Print Quality Image)
Easy to See Mercury Free Round-3 inch Main(Photo_BW - Web Quality Image)
Easy to See Mercury Free Round-3 inch Main(Photo_BW - Print Quality Image)
Easy to See Mercury Free Round-6 inch Main(Photo_BW - Web Quality Image)
Easy to See Mercury Free Round-6 inch Main(Photo_BW - Print Quality Image)
Easy to See Mercury Free Round-3 inch Main(Photo_Color - Web Quality Image)
Easy to See Mercury Free Round-3 inch Main(Photo_Color - Print Quality Image)
Easy to See Mercury Free Round-6 inch Main(Photo_Color - Web Quality Image)
Easy to See Mercury Free Round-6 inch Main(Photo_Color - Print Quality Image)
The Round" Main(Photo_Color - Web Quality Image)
The Round" Main(Photo_Color - Print Quality Image)
The Round" Celsius Main(Photo_BW - Web Quality Image)
The Round" Celsius Main(Photo_BW - Print Quality Image)
The Round" Celsius Main(Photo_BW - Web Quality Image)
The Round" Celsius Main(Photo_BW - Print Quality Image)
The Round" Celsius Main(Photo_Color - Web Quality Image)
The Round" Celsius Main(Photo_Color - Print Quality Image)
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Product Accessories
50000066-001 - Decorative Cover Plate for T8775 or T87K,N
50010944-001 - Range Stop Assembly