Airflow Monitoring Quick Start - Greenheck DOAS v8.1 Reference Manual

The LCD screen shows the current airflow that is being measured. To enter the menu to set up the monitoring
station, the user must remove the front cover of the GreenTrol to uncover the navigation buttons. Press and hold the
UP and DOWN buttons at the same time for 3 seconds to enter the menu.
Enter Button Function - The ENTER button allows the user to go into the selected menu or function, and save the
selected value.
Up/Down Button Function - The Up/Down buttons are used to navigate the menu and to change values in the
menu.
Esc Button Function - The ESC button allows the user to exit the current menu or function.
40 Microprocessor Controller for DOAS
Appendix D: GreenTrol
The GreenTrol ® airflow monitoring station measures
airflow using advanced thermal dispersion technology.
An integral LCD display provides a local indication of
airflow measurement and device configuration. The
airflow monitor also features Modbus communication
allowing the microprocessor to monitor the airflow
as well. The GreenTrol also accepts up to two airflow
probes for averaging.
GreenTrol Airflow Monitor functions:
• LCD readout of measured airflow
• Dual airflow probe averaging
• Modbus connectivity
Display and Navigation
®

Airflow Monitoring Quick Start