8. Press UP or DOWN keys to change the value from
OFF
to
ON
.
HVAC Fail Alarm
The LV will monitor the wall units and if any of the
units communicate a high pressure or low pressure
event, each event will be displayed individually on the
LV. However, either of these alarms will open the alarm
relay for HVAC failure. This output is connected to the
NOC for remote notification. When all of these events
are no longer present, the alarm relay output will close
signaling there are no HVAC failure alarms.
The LV is will actuate a relay output when this alarm
occurs. The output is set up to open when an alarm
occurs by default. The direction of this alarm output
can be changed if required.
To change the direction of the HVAC fail alarm output:
1. Press MENU key to go to the Main Menu screen.
2. Use UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
IO Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Digital Out
Config (C2)
.
5. Press ENTER key to scroll to the variable in the
table that intersects
HVACfail
and
Dir
(see Figure
2.5).
6. Press UP or DOWN key to change direction.
FIGURE 2.5
Changing Output Values
The LV is will actuate a relay output when this alarm
occurs. The output is set up to open when an alarm
occurs by default. The direction of this alarm output
can be changed if required.
To change the direction of the maintenance alarm
output:
1. Press MENU key to go to the Main Menu screen.
2. Use UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
IO Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Digital Out
Config (C2)
.
5. Press ENTER key to scroll to the variable in the
table that intersects
HVACmaint
and
Dir
(see
Figure 2.5).
6. Press UP or DOWN key to change direction.
Anti-Theft Alarm
The LV will indicate a theft alarm when the Bard Guard
anti-theft controller indicates an alarm to the anti-
theft input on the LV. This alarm will open an alarm
relay output to the NOC for remote notification. When
the input no longer indicates a theft, the alarm will
automatically clear and the alarm relay will return to its
normal state.
The LV is will actuate a relay output when this alarm
occurs. The output is set up to open when an alarm
occurs by default. The direction of this alarm output
can be changed if required. To change the output:
To change the anti-theft alarm inputs:
1. Press MENU key to go to the Main Menu screen.
2. Use UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
IO Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Digital In
Config (C1)
.
5. Press ENTER key to scroll to the variable in the
table that intersects
Theft
and
Dir
(see Figure 2.2
on page 28).
6. Press UP or DOWN key to change direction.
7. Press ENTER key to save the value and move
cursor to variable in the table that intersects
Theft
and
En
.
8. Press UP or DOWN key to change the value from
OFF
to
ON
.
Maintenance Alarm
The LV will monitor the wall units and if any of the
units communicate a dirty filter event or a dirty
condenser coil event, each of the alarms will be
displayed individually on the LV. However, either
of these alarms will trigger the alarm relay for
maintenance to open, which is connected to the NOC
for remote notification. When all of these events are
no longer present, the alarm relay output will close
signaling there are no HVAC maintenance alarms.
Page
30 of 36