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AERCO Control System (ACS)
CHAPTER 3
: Operation
Page 44 of 139
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
11/22/2017
GF-131
Phone: 800-526-0288
OMM-0081_0F
TABLE 3-1: ACS Front Panel Controls and Display
Item#
Features
Functions
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set to Manual and the fault is still active or no longer active.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cases the alarm message will remain until the alarm is no longer
valid.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.