PRECISIONAIR WS PRODUCT INFORMATION MANUAL
13
OPERATIONS AND CONTROLLER
CONNECTIONS
FORM “C” ALARM:
Connect to 1 & 3 for “Open” during alarm, “Close” during normal
operation. Connect 2 & 3 for “Closed” during alarm, “Open” during
normal operation.
AC OUTPUT:
Connect to 4 & 6 for controlling external air conditioner. See separate
document for lead/ lag operation.
DIG INPUT 1:
When 7 & 9 are connected, until will cool in override mode. See sperate
document for lead/ lag operation.
DIG INPUT 2:
For use with a door switch to interrupt operation of the unit.
HOT SPOT SENSOR:
Connect Dantherm Cooling sensor to 10 & 11 for remote sensing
operation.
SD CARD / DATA LOGGING
An SD card can be inserted into the controller for automatic data logging. The data file
will be labeled “log.txt”. This is useful for capturing field related issues over time. The
card must be a 32GB or smaller, SD or SDHC. Larger sizes and SDXC are not supported.
If needed, a heading of the log file (“loghdr.txt”) can be obtained by contacting technical
support, which assists in identifying the fields.
TTL LINK / ETHERNET
For factory use.
OPERATION
The ACG-7 uses a keypad style that uses
operator interface to navigate menus, control
operations, and view alarms.
KEY OPERATION
The functionality on the control panel is as
follows:
• Left key is step up
• Right key is step down
• Middle key is select
NAVIGATING MENU
Menu structure and navigation. Step up/down
to jump through menus, press enter to select
the parameter to read or change.
See wiring diagram on next page.