The Verasys Equipment Controller (VEC) is by default a change-over bypass system. You must change this to a VAV system. Complete the following procedures to check that the minimal settings have been performed.
- Log in to the SBH.
- From the device list screen, select VEC. The VEC home page and the VEC menu structure appear.
- The VEC home page provides an overview of the status of the unit. Check that the
Supply Air Temperature (SAT) appears properly. Note: For the unit to have control, you need at least one SAT sensor.
- Navigate to the
- Adjust the setup of the unit to the third-party equipment.
- Set the number of stages of heating and cooling that the unit has.
- If the VEC has control of the economizer, set it to
Yes. Note: You must have an outside air temperature installed for the economizer to modulate.
- Set the RTU controller type to VAV. It defaults to change-over bypass so you must change it.
tab. From this tab, complete the following actions: