Suggested Specification

SimplyVAV Direct Digital Controls for Air Terminals

Air terminals by Anemostat shall include factory installed direct digital controls, and the controls shall be provided by the air terminal manufacturer.  The sequence of operation is based on Anemostat Control Package No. ___________ .  Each controller shall be factory configured for the sequence of operation and the scheduled air terminal set points. Field installed controls or consignment controls are not acceptable.  The air terminal and associated controls shall be warranted by one manufacturer.  Controls shall be housed in a steel control enclosure, and shall include a disconnect switch housed in a separate enclosure.  A 24vac step down transformer shall be included to power the associated controls.  

The terminal controller shall be Model SimplyVAV.  The controller shall be native BACnet application specific and ready to connect to a BACnet MS/TP EIA-485 network operating at rates up to 76.8 kilobaud (or stand-alone for future network capability).  The controller shall include an integrated actuator with a minimum torque rating of 40 in-lbs coupled to the air terminal damper shaft, a 0-2” dP internal airflow sensor, and built-in application programs for the required sequence of operation.  Controllers shall automatically detect sensors as they are connected without special programming or software tools. All controller inputs and outputs shall be set up at the factory eliminating the need for field programming.

The SimplyVAV controller shall include simple, menu driven setup choices.  No special programming skills or software tools shall be needed to choose applications, enter set points, set network addressing, and balance airflow. Controller setup and options shall be set via the digital wall sensor or provide (1) STE-8001 sensor which can be temporarily connected as a technician’s service tool. Device instance, MAC address, and baud rate are set from an STE-8001 without special software. When connected to a network as part of a BACnet building automation system, the controller shall provide system diagnostic indicators. Through the MS/TP network, the controller shall signal demands for higher static duct pressure, cooler or warmer supply air, and when to start air handler units.  Programs and program parameters shall be stored in the controller’s nonvolatile memory, and shall auto restart upon power failure.

The associated wall sensor for each air terminal, including the interconnecting cables,  shall be provided by the air terminal manufacturer, for field installation and wiring to the terminal.  The wall sensor shall be:

Option 1: Model STE-8001W80 with digital display, set point buttons, and room temperature sensor. Connection from sensor to controller shall be via RJ45 Ethernet cable.  Controller configuration and balancing done thru this sensor.

Option 2: Model STE-8201W80 with digital display and motion sensor, set point buttons, and room temperature sensor. Connection from sensor to controller shall be via RJ45 Ethernet cable. Controller configuration and balancing done thru this sensor.

Option 3: Model STE-6010W80 room temperature sensor with no user interface.  Connection from sensor to controller shall be via RJ45 Ethernet cable. Controller configuration and balancing shall be done using an STE-8001W80 sensor as a service tool.

Option 4: Model STE-6014W80 room temperature sensor with set point dial. Connection from sensor to controller shall be via RJ45 Ethernet cable. Controller configuration and balancing shall be done using an STE-8001W80 sensor as a service tool.

Option 5: Model STE-6017W80 room temperature sensor with set point dial and override button. Connection from sensor to controller shall be via RJ45 Ethernet cable. Controller configuration and balancing shall be done using an STE-8001W80 sensor as a service tool.