30 IM710
Software Identification and
Configuration
The unit control code is made up of up to four software com-
ponents. All unit applications include a MCB application
code component and a keypad/display object component.
Depending on the unit configuration, there may be one or
more auxiliary control boards each loaded with an applica-
tion code component. Each component is assigned a soft-
ware identification label which consists of a 10 digit number.
This number includes a seven digit base number, followed
by a three digit version number. The various software com-
ponent identification labels can be determined via the AHU
ID=, CompB1 ID=, CompB2 ID=, and KP ID= parameters
in the Unit Configuration menu of the keypad/display. These
can also be read using the MicroTech II Service Tool
Main Control Board (MCB)
Configuration
After the main control board software component is loaded
into the MCB, it must be “configured” for the specific con-
trol application. This consists of setting the value of 15 con-
figuration variables within the MCB. These variables define
things such as the type of cooling, number of compressors
and cooling stages and the type of heat. If all of these items
are not set appropriately for the specific unit, the unit will
not function properly for the desired application/unit config-
uration. Collectively these 15 parameters make up a 15 digit
string called the “configuration string.” The factory configu-
ration string for the unit is printed on a label attached to the
control box panel near the MCB. Table 22 on page 31 lists
the configuration string variables including the position
within the string, description of the parameter, the variable
object and attribute name and the applicable settings for
each. The factory default values are shown in bold font.
Table 21: Software Component Identification
Software Label Description
AHU ID = 2506030xxx Program Version Loaded into Main Control Board (MCB)
CompB1 = 2506031xxx Program Version Loaded into Compressor Control Board (CCB1)
CompB2 = 2506031xxx Program Version Loaded into Compressor Control Board (CCB2)
KP ID = xxxxxxxxxx Keypad Object and Version Loaded into Main Control Board
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