The Honeywell T87N1000 Round® Mercury Free Thermostat includes 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. The Honeywell T87N1000 thermostat provides electronic control of 24Vac heating and cooling systems with the classic twist to set dial. Replaces Honeywell Q539A1014.
Features
The Honeywell T87N1000 is mercury free, and includes classic styling in Premier White®. The T87K heat only works with 2 or 3 wire heat-only systems.
Product Specifications
| Description | The Round® Heat and Cool Mercury Free Thermostat |
| Application | 1 Heat/1 Cool Conventional 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) | ±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 to 90 |
| Electrical Ratings | 20 to 30 Vac |
| Frequency | 50 Hz, 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 |