This document introduces the use of a certain brand and model digital thermostat
This document provides operating instructions for the Aprilaire Model 8531, a digital heat-only thermostat designed to provide accurate control and display of room temperature. The unit features clearly marked buttons for setting heating setpoints and switching between Celsius and Fahrenheit displays. It includes a limited override function and retains settings during power failures without requiring a battery.
| Rated Voltage | 20-30 VAC, 24 nominal |
|---|---|
| Current per output | 0.08 Amps to 1.5 Amps continuous |
| Max surge current | 4 Amps Max |
| Heating Control Range | 38° to 88°F in 1° Steps |
| Temperature Measurement Range | 28° to 124°F or 0° to 48°C |
| Accuracy at 20°C | +.5° C |
| Accuracy at 68°F | +1°F |
No, the thermostat does not require a battery to maintain selected setpoints in the event of a power loss.
Simultaneously press the V and & buttons to switch between Celsius and Fahrenheit temperature display.
When the keyboard is locked, the user may override the temperature setpoint for 1 hour by pressing either the V or & buttons.