Description
PRO1 IAQ T855 Universal Programmable Thermostat
The PRO1 IAQ T855 delivers multistage comfort control at an exceptional value. Supporting both 7-day and 5+1+1 scheduling, this versatile thermostat is engineered to handle conventional and heat pump systems with ease — keeping occupants comfortable while giving technicians the flexibility they need in the field.
Key Features
- Controls up to 2 Heat / 2 Cool conventional and heat pump systems, including Aux and Emergency heat
- Flexible 7-day or 5/1/1 programmable scheduling
- Auto changeover for seamless heating/cooling transitions
- Easy menu-driven programming with intuitive wake, leave, return, and sleep icons
- Large 8 sq. in. display with blue backlight for clear visibility
- Glow-in-the-dark light button for low-light access
- Programmable fan control
- Configurable for electric or gas systems
- Separate heating and cooling swing (cycle rate) adjustments
- Room temperature calibration adjustment
- Keypad lockout for tamper prevention
- Heating and cooling setpoint limits
- 5-minute compressor delay protection (selectable on/off)
- Filter change indicator (selectable on/off)
- Simple private label badge system
- Easy wire color-coded terminal blocks for fast installation
- Universal sub-base — mounts on wall or junction box
- Hardwired (24V) or battery powered (2 AA)
- 5-year warranty
Specifications
- Display temperature range: 41°F to 95°F (5°C to 35°C)
- Control temperature range: 44°F to 90°F (7°C to 32°C)
- Display accuracy: ±1°F
- Heating swing (cycle rate): adjustable 0.4°F to 2.0°F
- Cooling swing (cycle rate): adjustable 0.4°F to 2.0°F
- Load rating: 1 amp per terminal, 1.5 amp maximum (all terminals combined)
- Power source: 18–30 VAC, NEC Class II, 50/60 Hz (hardwired) or 2 AA Alkaline batteries
- Operating ambient: 32°F to 105°F (0°C to 41°C)
- Operating humidity: 90% non-condensing maximum
- Dimensions: 4.7″W x 4.4″H x 1.1″D
- Terminals: Rc, Rh, G, Y, Y2, C, O, B, W/E, W2
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