VT7600 Series

• ALL MODELS

• Fan switching (on/auto/smart)

• System switching (off/auto/cooling/heating)

• Two line 8 digit backlit LCD Display

• Three status LEDs (fan, cooling, heating)

• Five control keys

• Remote and outside air sensor inputs

• Two configurable digital inputs

• Fahrenheit or Celsius operation

• Permanent program retention

• Temporary setpoints

• Proportional plus integral control

• Cycles per hour for heating and cooling

• All Models

• Screen lockout (partial/total)

• Power fail start up delay

• H/C changeover (manual or auto)

• Adjustable deadband

• Individual setpoint range stops H/C

• Extended fan run time

• Extended occupancy time

• Frost low limit protection

• Outside air lockout H/C

• No logo on thermostat

• Room sensor calibration

• Outside air calibration

• PROGRAMMABLE MODELS

• Two or four events per day

• Progressive recovery or none

• 12 or 24 hour clock

• Six-hour clock retention

• Occupied/unoccupied output contact

• Economical Models

• Mixed-air (0-10V) control output

• Mixed-air sensor input

• Mixed-air setpoint

• Economizer changeover temp

• Outside air damper minimum position (percent)

• Heat Pump Models

• Configurable heat pump O/B control

• OSA lockout for HP emergency/comp heating

Supply Voltage:20 to 30 VAC, 50/60 Hz

Supply VA:2 VA

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°F, (± 0.5°C) at 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 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°F (1° to 2°C)

Outside Air Lockout Limits:

 :Heating 15° to 120°F (26° to 49°C), 5° increments

 :Cooling -40° to 95°F (-40° to 35°C), 5° increments

 :Low Limit Protection Enable/disable, heating on at 47°F (5.5°C)

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°F, (±2.5C), 1°F increments

LED Indicators :Three green “on” (fan, cooling, heating)

Wiring:18 AWG maximum, 22 AWG recommended

Mounting:Standard vertical 2" x 4" box

Enclosure:UL FR1 flame retardant plastic

Color:White

Operating Temperature:32°F to 122°F (0° to 50°C)

Operating Humidity:0 to 95% RH (non-condensing)

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, cUL, File #E234137, CE

RoHS Statement:Yes

Warranty:1 year