Programmable Pneumatic Thermostat Wi-Stat IIIp-S
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The Wi-STAT IIIp-S is the first ever standalone Weekday/Weekend programmable digital pneumatic thermostat that can also be easily converted into a wireless Direct Digital Control (DDC) device by the push of a button. Just like it’s predecessor Wi-Stat IIIp, Wi-Stat IIIp-S is equipped with advanced electro-mechanical valve instead of mechanical Bi-Metal elements for much more accurate pneumatic controls.
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Wi-Stat IIIp-S is the first 100% programmable digital pneumatic thermostat on the market that allows occupancy scheduling without a building management controller. It is designed for easy retrofit to existing 2 pipe pneumatic HVAC infrastructures without disruptive and expensive rewiring. Wi-Stat IIIp-S replaces existing manual thermostats and provides ability to program Weekday/Weekend occupancy schedules, previously not available for pneumatically controlled buildings without supervisory controls.
You will be able to control the Set point and Set back temperatures and configure all pneumatic settings such as action direction, set point and set back pressure values, gain and throttling range.
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As its predecessor, wireless pneumatic thermostat Wi-Stat IIIp, Wi-Stat IIIp-S shares great technological advancements such as:
- Continuous branch-line pressure monitoring
- Leak detection and on screen status notification
- Leak compensating operation
In addition to Wi-Stat IIIp-S standalone control capabilities, it can be easily converted to Millennial Net’s wireless DDC device which utilizes the IEEE 802.15.4 standard and 2.4 GHz radio band. Wi-Stat IIIp-S is equipped with the wireless radio module, so once a certain number of stand-alone thermostats are installed a wireless network can be activated by pushing few buttons on the thermostat. Once radios are activated, all devices will automatically connect to an existing BMS or web-based energy management system through a gateway and signal repeaters without any additional networking configuration.
Digital Programmable Features
- Programmable Weekday/Weekend Occupancy Schedule
- Local Set Point and Set back Temperature Controls
- Configurable Action Direction and Other Pressure Settings
- On-Screen Branch Line Pressure Display
- Leak Detection and On-Screen Status Notification
- Time Clock
- Up to 5 years of battery life
- Easily Convertible to Wireless DDC
Wireless DDC Features
- “Plug and Play” - No Network Programming or Start Up Calibration Needed
- Complete Remote Over-the-Air Programming and Calibration
- Remote Pneumatic Controls Tuning
- Remote Wireless Setpoint Control
- Local Comfort Zone Enforcement
- Programmable Temperature Setbacks
- Occupancy Override
- Continuous Temperature Monitoring
- Continuous Branch Line Pressure Monitoring
- Leak Detection and Status Notification
- Leak Tolerant Operation
- Demand Response Ready
- BACnet Compatible for Integration with Existing BMS
- Up to 5 years of battery life
- Wireless mesh thermostat provides remote monitoring and HVAC control capabilities
- +/- 1° F control accuracy for maximum comfort
- Easy to install; economical retrofit is compatible with and uses the existing thermostat and HVAC pneumatics
- Combines the conventional thermostat with a local supervisory control that is within specified energy policy constraints, with no programming required
- Remote occupancy scheduling and monitoring capabilities define and enforce energy policies
- Allows for local thermostat operation within the specified comfort zone
- Override feature allows local operation during scheduled unoccupied periods
- Setback control can continue independent of wireless communications
- Detects and displays branch line air pressure
- IC- and FCC-compliant hardware modules
- Meshscape end node device
- Operates on a license-free 2.4 GHz ISM radio band with 15 user-selectable channels
- Configures as part of a MeshScape network that includes hundreds of wireless devices
- Wireless communication ranges available of at least 750 feet between adjacent devices
- Extensive (1000s of feet) mesh network coverage
Pneumatic Specifications
- 2-Pipe, Multiple Temperature Setpoints
- No calibration or throttling range adjustment is needed
- Standard 5/32” (4.00 mm) barb fittings for air pipe connections
Types
- Standard “Comfort Zone” Operation
- Dead Band Control Operation
- Direct or Reverse Acting
- Summer / Winter Thermostat Systems
- Heat Only, Cool Only or Heat/Cool Dual Mode Systems
Above Wi-Stat IIIp types are available on the same hardware modules – all configuraiton settings can be changed remotely. There is no need to replace thermostats if you upgrade or change your HVAC system over time - all configurations values can be reprogrammed remotely from the software.
Wi-Stat IIIp Specifications:
Additional Information:
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