Thermostat can be used for Heating Only or Cooling Only or Heating and Cooling
The Round
• Mercury Free Thermostat with manual changeover and R, Rc, W, Y, G, O, B terminals for single stage heating and cooling systems (White)(Honeywell)
24V MERCURY FREE HEATING/COOLING ROUND THERMOSTAT 40-90F FOR CONVENTIONAL/GAS, HEAT PUMP, OIL, ELECTRIC, FORCED WARM AIR, STEAM AND GRAVITY 2 & 3 WIRE APPLICATIONS 1H-1C
Overview
The Round
• T87N thermostats provide electronic control of 24Vac heating and cooling systems with the classic twist to set dial.
Features
• Mercury Free
• Classic Styling
• Premier White
•
Product Specifications
Description The Round
• Heat and Cool Mercury Free Thermostat
Application Conventional and Heat Pump systems
Mounting Round
Changeover Manual
Color Premier White
•
Stages 1 Heat/1 Cool
Power Method Uses stored power from heating and cooling controls.
Terminal Designations R, Rc, W, Y, G, O, B
Switch Positions (Fan) AUTO-ON
Switch Positions (System) COOL-OFF-HEAT
Switch Type Relay
Accuracy (F) 2 F
Accuracy (C) 1 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 F to 90 F
Frequency 60 Hz;50 Hz
Cycles per Hour Adj. 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
Replaces Part Numbers:
Q539A1006
Q539A1006A
CARQ539A1014
41-17015-03
T87F2782
Q539J1154
Q539C1020
Q539A1550
Q539A1469
Q539J1006
P321128
T81473439
TS86A1371
T87F2360
T87F1867
T87F2790
T87F 2873
T87F2196
T87F2873
T87F1826
T87F1867
T87F1859
T87F1834
T87F3855
CAR4E879
CART87N1000