Model 8670 SUREFLOW Room Pressure Controller Manual - TSI

END OF MENU The END OF MENU item informs the user that the end of the
CALIBRATION menu has been reached. The user can press
either the SELECT key or the MENU key to back out to the
main menu level.
Defaults The SUREFLOW is shipped with a set of factory default values already programmed in
memory. In the CALIBRATION menu, the only relevant default parameter is the
ACCESS CODE item which can be either ON or OFF with a factory default of ON.
Performing the
CALIBRATION
Function
The following items are needed to calibrate the SUREFLOW:
Portable Air Velocity Meter such as TSI VELOCICALC Plus, VELOCICALC, or
VELOCICHECK.
WARNING: NO FIELD CALIBRATION IS NEEDED! The SUREFLOW Room Pressure
Controller is calibrated at the factory. The sensor and controller must be kept
as a matched set. The calibration function provides the user with the ability to
manually change the calibration of the pressure sensor. THE CALIBRATION
OF THE ROOM PRESSURE CONTROLLER MUST NEVER BE
CHANGED WITHOUT ASSISTANCE FROM THE TSI FACTORY!
Contact TSI for assistance in determining your control problem and for
instructions on how to recalibrate your unit. Incorrectly changing the
calibration of this instrument may result in poor control or no control at all.
❶ Unit is in normal operation indicating realtime
measurement of room pressure as
shown:
❷ Press the MENU key to gain access to the
menu as shown:
Press the ▼ arrow key until the cursor is at
the CALIBRATION menu option:
Second Menu Choice
Third Menu Choice
PRESSURE
-.00085 "H2O
30 Chapter 7
MENU
SETPOINTS
CONFIGURE
▼
SETPOINTS
CONFIGURE
▼
CONFIGURE
CALIBRATION