Supply Voltage:20 to 30 VAC @ 2 VA, 50/60 Hz
Display:Two-line backlit LCD
Controls:Five menu-driven buttons: up, down, menu, no, yes/scroll
Thermostat Type:7-day programmable and non-programmable models
Optimal Start:Progressive recovery enable/disable
Heat Pump High/Lo:Outside air lockout (emergency heating/compressor heating)
Stages Available:1H/1C, 2H/2C, (3H/2C heat pump) 2H/2C + proportional mixed air economizer
Memory (Schedule):Permanent, EEPROM
Clock: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℉, (±0.5℃) at 70℉ (21℃)
Setpoint Range:
:Heating 40° to 90℉ (4.5° to 32℃)
:Cooling 54° to 100℉ (12° to 37.5℃)
Setpoint High/Low Limits :Individually-adjustable heating / cooling
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
Ancillary Inputs:Two dry-contact digital inputs, applied for:
:Service/status reminders
:Filter alarm
:Night setback clock
:Remote occupied override timer
Control Output:1A relays, 30 VAC, SPST, 3A surge maximum
Auxiliary Contact Output:1A relay, 30 VAC, SPDT, follows occupied schedule
Mixed Air Output:Proportional 0-10 VDC, 2KΩ minimum impedance (economizer model only)
Control Type:Proportional plus integral
Dead Band:Adjustable 2° to 4℉ (1° to 2℃)
Outside Air Lockout Limits:
:Heating 15° to 120℉ (26° to 49℃), 5° increments
:Cooling -40° to 95℉ (-40° to 35℃), 5° increments
:Low Limit Protection Enable/disable, heating on at 47℉ (5.5℃)
Power-up Delay:Adjustable 10 to 120 seconds
Keypad Lockout:3 levels, (full, none, partial)
Cycles Per Hour:Adjustable, heating 3-8; cooling, 3-4
Display Offset:Adjustable ±5℉, (±2.5℃), 1℉ increments
LED Indicators :Three green “on” (fan, cooling, heating)
Wiring:18 AWG - 22 AWG
Mounting:Standard vertical 2″ x 4″ box
Color:White
Operating Temperature:32° to 122℉ (0° to 50℃)
Operating Humidity:0 to 95% RH non-condensing
Enclosure Rating:NEMA 1, UL FR1 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
Warranty:1 year