About this item
 
Features
7 Day or Non-programmable
Auto Changeover
Easy menu driven programming
Intuitive wake, leave, return, sleep programming icons
8 sq. inch display
Blue backlight
Glow in the dark light button
Programmable fan
Electric or Gas configurable
Room temperature calibration adjustment
Separate heating and cooling swing (cycle rate) adjustments
Keypad lockout
Heating and cooling setpoint limits
5 minute compressor delay protection (selectable on or off)
Filter change indicator(selectable on or off)
Simple private label badge system
Easy wire color coded terminal blocks
Universal sub-base
Mounts on wall or junction box
24v power
T855i
 
Specs
The display range of temperature: 41˚F to 95˚F (5˚C to 35˚C)
The control temperature range: 44˚F to 90˚F (7˚C to 32˚C)
Load rating: 1 amp per terminal, 1.5 amp maximum all terminals combined
Display accuracy: ± 1 °F
Swing (cycle rate or differential): Heating is adjustable from 0.2°F to 2.0°F – Cooling is adjustable from 0.2°F to 2.0°F
Power source: 18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire) Hardwire Only
Operating ambient: 32° to +105° (O° to + 41°C)
Operating humidity: 90% non-condensing maximum
Dimensions of thermostat: 4.7″W x 4.4″H x 1.1″D
 
Crafted from durable materials and designed for a long service life.
Engineered to withstand heavy use and harsh conditions.
Easy to install to for everyone, whether for DIY enthusiasts or professional installation.
Thoroughly tested to meet industry standards and deliver reliable results.
Programmable Digital Thermostats