AERCO Control System (ACS) - Manual (Page 44)

MC2: 04/23/13 Page 44 of 144
GF-131
AERCO Control System (ACS)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Installation, Operation, and Maintenance Manual
OMM-0081_0D
Table 3-1: ACS Front Panel Controls and Display
ITEM
NO.
CONTROL,
INDICATOR OR
DISPLAY
FUNCTION
1 VFD Display The Vacuum Fluorescent Display (VFD) display consists of 2
lines each capable of displaying up to 16 alphanumeric
characters. The information displayed includes:
•
Startup Messages
• Alarm Messages
• Operating Status Messages
• Menu Selections
2 FAULT Indicator Red FAULT LED indicator lights when a ACS alarm condition
occurs. An alarm message will also appear in the VFD display.
3 CLEAR Key
Turns off the FAULT indicator and relay if FAULT ALRM CLEAR
is set to Manual and the fault is still active or no longer active. If
FAULT ALRM CLEAR is set to Automatic and the fault is still
active, this will also turn off the fault relay and indicator. In both
cases the alarm message will remain until the alarm is no longer
valid.
4
MENU Keypad Consists of 6 keys which provide the following functions for the
ACS menus:
MENU Steps through the main menu categories shown in Figure 2-1.
The Menu categories wrap around in the order shown.
BACK Allows you to go back to the previous menu level without
changing any information. Continuously pressing this key will
bring you back to the default status display in the Operating
Menu. Also, this key allows you to go back to the top of a main
menu category.
▲ (Up) Arrow When in one of the main menu categories, pressing this key will
move you forward through the displayed menu category. If the
CHANGE key was pressed and the menu item is flashing, press
the ▲ arrow key increment the setting.
▼ (Down) Arrow When in one of the main menu categories, pressing this key will
select the displayed menu category. If the CHANGE key was
pressed and the menu item is flashing, pressing the ▼ (Down)
arrow key will decrement the selected setting.
CHANGE Permits a setting to be changed (edited). A valid password
must be entered before changing most menu items. When the
CHANGE key is pressed, the displayed menu item will alternate
in color with the background (reverse video). Pressing the ▲ or
▼ arrow key when this occurs will increment or decrement the
displayed setting.
ENTER Saves the modified menu information in memory. The display
will return to the normal state.
5 ON/OFF Key Enables and disables ACS operation.
6 ON Indicator Green ON LED lights when the ACS is enabled.