Supply Voltage:20-30 VAC @ 2 VA, 50/60 Hz
Display:Two-line backlit LCD
Controls:Five menu-driven push buttons – up, down, menu, no, yes/scroll
Thermostat Type:Seven-day programmable models, non-programmable models
Optimal Start:Progressive recovery (enable/disable)
Heat Pump High/Low:OSA lockout (emer heating/comp. heating)
Stages:(Dependent upon model) 1H/1C, 2H/2C, (3H/2C heat pump) 2H/2C + proportional mixed-air economizer
Memory (schedule):Permanent EEPROM
Clock (12 or 24 hour):Six-hour power fail retention
System Switching:Off/Auto/Cool/Heat
Fan Switching:On-continuous
:Auto-on demand
:Smart-on/occupied, off/unoccupied
Control Accuracy :±0.9°F, (±0.5°C) @ 70°F (21°C)
Setpoint Range:
:Heating 40° to 90°F (4.5° to 32°C)
:Cooling 54° to 100°F (12° to 37.5°C)
Setpoint High/Low Limits:Individually adjustable, H/C
Remote Sensor :
:Room Sensor Room Sensor input auto-detected 10K Type 2 thermistors
:Outside Air Outside air input auto-detected 10K Type 2 thermistors
:Mixed Air Mixed air input auto-detected (economizer model only) 10K Type 2 thermistors
Auxiliary Inputs:Two dry contact digital inputs
:Four Types Service/status reminders
:Filter alarm
:Central night setback clock
:Remote occupied override timer
Control Output:1A relays 30 VAC, 3A surge maximum
Auxillary Contact Output:1A relay 30 VAC, N.O./N.C. follows occupied schedule
Mixed Air Output:Proportional 0-10V DC, 2 kΩ minimum (economizer model)
Control Type:Proportional plus integral
Deadband:Adjustable 2° to 4°F (1° to 2°C)
OSA Lockout Limits:
:Heating 15° to 120°F (26° to 49°C), 5°F increments
:Cooling -40° to 95°F (-40° to 35°C), 5°F increments
Low Limit Protection:Enable/disable, heating @ 47°F (5.5°C)
Power Up Delay:10 to 120 seconds
Keypad Lockout:Three levels (full, none, partial)
Cycles Per Hour:Adjustable, heating 3-8 CPH, cooling 3-4 CPH
Display Offset:Adjustable ±5°F (2.5°C), 1°F increments
LED Indicators:Three green on (fan, cooling, heating)
Wiring:18 AWG to 22 AWG
Operating Temperature:32° to 122°F (0° to 50°C)
Operating Humidity:0% to 95% RH (non-condensing)
Color :White
Mounting:Standard vertical 2" x 4" box
Enclosure Rating:NEMA 1, ULFR1 flame-retardant plastic
Dimensions:4.94"H x 3.38"W x 1.13"D
:(12.5 x 8.6 x 2.9 cm)
Weight:0.75 lb (0.34 Kg)
Approvals:UL, File #E234137, CE, RoHs, BACnet, Lonmark
Warranty:1 year