Description
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
Application Heat Only
Dimensions (in. )3 11/16 in. diameter x 1 3/4 in. deep
Dimensions (mm)94 mm diameter x 45 mm deep
Mounting Round
Electrical Ratings 20 to 30 Vac
Frequency 50 Hz; 60 Hz
Stages 1 Heat
Operating Humidity Range (% RH) 5 to 90% RH (non-condensing)
Supply Voltage 20 to 30 VacPower
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, W, Y
Setting Temperature Range (F)40 F to 90 F
Cycles per Hour
Adjustable 1, 3, 5, 9
Heat Current 0.02 A to 1.0 A running
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