TSI Instruments FHC50 - Page 50

42 Part Two
CALIBRATE FLOW SUBMENU
6PT VENTURI VALVE ONLY
MENU ITEM
SOFTWARE
NAME
ITEM DESCRIPTION
ITEM RANGE
DEFAULT
VALUE
VENTURI VALVE
POSITION 2 FLOW
FHC50 Only
VENTURI PT2
The VENTURI PT2 item is used to calibrate a venturi valve
without feedback. When this item is entered, the display will
indicate a volumetric flow rate. Adjust the displayed value to
match the flow through the venturi valve when the venturi
valve is at the 20% OPEN position.
NOTE: The flow information can be obtained through a
direct flow measurement (i.e. duct traverse) after
using the CONTROL OUT item to set the damper
to 20% Open or from the label on the TSI Venturi
Valve.
The VENTURI PT2 menu item must be completed before
moving on to the VENTURI PT3 menu item.
0 to 10000 cfm
0 cfm
VENTURI VALVE
POSITION 3 FLOW
FHC50 Only
VENTURI PT3
The VENTURI PT3 item is used to calibrate a venturi valve
without feedback. When this item is entered, the display will
indicate a volumetric flow rate. Adjust the displayed value to
match the flow through the venturi valve when the venturi
valve is at the 40% OPEN position.
NOTE: The flow information can be obtained through a
direct flow measurement (i.e. duct traverse) after
using the CONTROL OUT item to set the damper
to 40% Open or from the label on the TSI Venturi
Valve.
The VENTURI PT3 menu item must be completed before
moving on to the VENTURI PT4 menu item.
0 to 10000 cfm
0 cfm