TSI Instruments FHC50 User Manual

Technical Section
61
Menu Item
Description
Show Flow
SHOW FLOW
The SHOW FLOW INPUT item is used to display the current measured
or calculated rate of the fume hood exhaust flow in cfm, l/s or m
3
/hr.
NOTE: If flow does not match actual readings, recalibrate flow.
Analog Output
ANALOG OUT
The ANALOG OUT item varies the analog output from the unit. When
this item is entered, a number will be shown on the display indicating the
last analog output value. The value displayed ranges from 0 to 100%.
The value 0% corresponds to 0 volts (4 mA) output and 100%
corresponds to 10 Volts (20 mA) output. Pressing the  key will
increase the analog output. Pressing the  key will decrease the analog
output.
The ANALOG OUT function can be used in conjunction with a volt meter
to verify the analog output is correct.
Alarm Relay A
ALARM RELAY A
The ALARM RELAY A item changes the state of the alarm relay. When
this item is entered, the display will indicate either OK or ALARM. The
/ keys are used to toggle the state of the relay. See menu item
RELAYS OUT under the CONFIGURE menu for the desired contact
state (OK=OPEN or OK=CLOSED) during an alarm condition.
Alarm Relay B
ALARM RELAY B
The ALARM RELAY B item changes the state of the alarm relay. When
this item is entered, the display will indicate either OK or ALARM. The
/ keys are used to toggle the state of the relay. See menu item
RELAYS OUT under the CONFIGURE menu for the desired contact
state (OK=OPEN or OK=CLOSED) during an alarm condition.
Sash Contact Input
IN# SASH CONTACT
The IN# SASH CONTACT item reads the current state of a sash contact
input. This item will only be displayed when the corresponding INPUT
SEL # item has been set to SASH CONTACT under the CONFIGURE
menu. When this item is entered, the display will indicate either OPEN or
CLOSED. If the display indicates closed, the unit is in High Sash Alarm
mode.
NOTE: IN# SASH CONTACT is a read-only menu item.
Emergency Contact Input
IN# EMERG PURGE
The IN# EMERG PURGE item reads the current state of an emergency
contact input. This item will only be displayed when the corresponding
INPUT SEL # item has been set to EMERG PURGE under the
CONFIGURE menu. When this item is entered, the display will indicate
either OPEN or CLOSED. If the display indicates CLOSED, the
controller has been put into emergency mode through the contact input.
If the display indicates OPEN, the controller has not been put into
emergency mode through the contact input. However, the controller may
be in emergency mode if it has been initiated through the keypad or via
network communications.
NOTE: IN# EMERG PURGE is a read-only menu item.

TSI Instruments FHC50 Specifications

General

Brand	TSI Instruments
Model	FHC50
Category	Controller
Language	English