Thermostats and Controllers

VT8650 Series



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VT8650 Series

Programmable Thermostat VT8650 Series

Programmable Thermostat

 

The Viconics VT8650 Series are programmable and application specific room controllers with customizable screen colors. The VT8650 room controller is a rooftop, heat pump, and indoor air quality controller suitable for commercial and high end hospitality markets. The room controllers dramatically decrease project delivery costs by reducing installation, configuration and commissioning time. No complex software or tools are required to customize functionality to meet your applications requirements. The room controllers provide all the advanced features and monitoring functions required by modern building automation systems in a simple compact enclosure. For more advanced needs, custom LUA script programming available. (-LS models) Kele is the leading supplier of building automation products. When you need the right product, right now, count on Kele.


Products

(Wholesale customers, log in for your special pricing)

QtyModelDescriptionIn StockList PriceInternet Price
VT8650U5000B STAGED BACNET THERMOSTAT W/HUMIDITYINFO752.95421.65
VT8650U5000B-LS T-STAT/RTU/RH/NO PIR/24V-CUSTOM LUA (10 PIECE MINIMUM ORDER)INFO698.00390.88
VT8650U5500B T-STAT/RTU/RH/PIR/24VIn Stock1,099.00615.44
VT8650U5500B-LS T-STAT/RTU/RH/PIR/24V-CUSTOM LUA (10 PIECE MINIMUM ORDER)In Stock906.00507.36

Accessories

No accessories found
Features
  • 2H/2C (3H/2C heat pump)
  • Fan switching (on/auto/smart)
  • System switching (O/A/C/H)
  • Backlit LCD touchscreen Display
  • Remote and OSA sensors (optional)
  • Adjustable deadband
  • PIR cover available
  • Permanent program retention
  • Proportional + Integral control
  • Mixed-air (0-10V) control outputs
  • Mixed-air sensor input
  • Mixed-air setpoint (SP)
  • Economizer changeover S.P.
  • OSA damper min. position in %
  • Two or four configurable events/day
  • Progressive recovery or none
  • 12 or 24 hour clock
  • Six hour clock retention
  • Occ/Unocc auxiliary contact out
  • BACnet MS/TP
  • Zigbee Pro/Wireless communication module (optional)
  • Configurable economizer, scheduler, sequence of operations
  • Color display change
Specifications

Supply Voltage:20-30 VAC @ 6 VA, 50/60 Hz

Display:Touchscreen LCD

Controls:Touchscreen menu

Thermostat Type:Seven-day programmable, non-programmable models

Heat Pump High/Low:OSA lockout (emer heating/comp. heating)

Stages:1H/1C, 2H/2C, (3H/2C heat pump) 2H/2C + proportional mixed-air economizer

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

Mixed Air Output:Proportional 0-10V DC, 2 kΩ minimum

Control Type:Proportional plus integral

Deadband:Proportional 3.2℉ (1.8℃)

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)

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

Wiring:18 AWG to 22 AWG, Power: 24 AWG min. communication

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

Operating Humidity:0% to 75% RH (non-condensing)

Color :White

or Silver (optional fascias):

Mounting:Standard vertical 2" x 4" box

Enclosure Rating:NEMA 1, ULFR1 flame-retardant plastic

Dimensions:4.72"H x 3.38"W x 1.00"D

 :(12.0 x 8.6 x 2.5 cm)

Weight:0.75 lb (0.34 Kg)

Approvals:UL, File #E234137, CE, RoHs, BACnet

Warranty:1 year

Certifications