| Accuracy | : | +/-1 deg F |
| Changeover | : | Auto, Manual |
| Differential Temperature | : | 0.5 to 2 deg F at 1-Stage, 1 to 6 deg F at 2-Stage |
| Dimensions | : | 3.86 x 5.11 x 1.42 in |
| Display Type | : | 4 sq-in Bright Blue Backlight |
| Humidity Rating | : | 5 to 95% |
| Power Source | : | Battery, Hardwired |
| Series | : | Premier Series |
| Stages | : | 3 Heat/2 Cool |
| Temperature Rating | : | 14 to 140 deg F Storage |
| Temperature Settings | : | 45 to 90 deg F |
| Voltage Rating | : | 24 V |
The digital non-programmable thermostat with auto changeover shall be a Braeburn model number 3220, 3.80 in height x 5.11 in width x 1.42 in depth, powered with either 24 V AC or with two "AA" Alkaline batteries (3.0 V DC). In the event of a power failure, the unit shall retain all user, installer and temperature settings. The thermostat shall be compatible with low voltage single stage or multi-stage gas, oil, or electric conventional heating or cooling systems with up to two stages of heating and two stages of cooling, and heat pump systems with up to three stages of heating and two stages of cooling. Also compatible with 250 to 750 mV millivolt heating only systems and 2 or 3-wire hydronic zone systems. The thermostat shall have a bright blue backlight display, SpeedBar, separate sub-base and multi-level keypad lockout. Temperature control range shall be between 45 and 90 deg F, accuracy of +/- 1 deg F (+/- 0.5 deg C). Operating humidity range between 5% and 95% relative humidity. The thermostat shall include separate installer and user setup modes, permanent non-volatile memory to retain user settings, filter, UV and humidifier pad check monitor, residual cooling fan delay, indoor or outdoor remote sensor capability, auxiliary heat fossil fuel programming, and compressor power outage protection. A front reset button will return user settings to default values when pressed.
Braeburn® Non-Programmable Thermostat, Premier Series, 24 V, Changeover: Auto, Manual, 3 Heat/2 Cool Stages, 4 sq-in Bright Blue Backlight Display, 0.5 to 2 deg F at 1-Stage, 1 to 6 deg F at 2-Stage Differential, 45 to 90 deg F Settings, 14 to 140 deg F Storage, 5 to 95% Humidity, +/-1 deg F Accuracy, Battery, Hardwired Power Source, Dimensions: 3.86 x 5.11 x 1.42 in
- Permanent memory retains settings
- Speed bar multi-function button
- Adjustable temperature limits
- Indoor or outdoor remote sensors
- User selectable service monitors
- Separate user and installer reset buttons
- Setpoint adjustment limits
- Compressor short cycle protection
- Adjustable balance points
- Compatible with 2 or 3-wire hydronic zone systems
- Multi-level keypad lockout
- Up to two heat or two cool conventional system
- Up to 3 heat or two cool heat pump
- Compatible with heat pump systems upto 3 heat/2 cool, conventional systems upto 2 heat/2 cool 250 - 750 mV heating systems
- 0.5, 1, 2 deg F stage 1
- 1, 2, 3, 4, 5 and 6 deg F 2-stage
- (2) AA batteries