Figure 12: Emerson "Hot Key; Figure 13: Location Of "Hot Key" Plug Connection - Emerson Copeland EazyCool ZX Series Application Manuallines

2.13.2 Applicable hot keys for ZX units with XCM25D controller
The Emerson "Hot Key" DK00000300 can be used for up- and downloading of parameter lists.
Copeland Ident Number 3226456.

Figure 12: Emerson "Hot Key"

2.13.3 Location of the "Hot Key" plug connection on the XCM25D controller
The "Hot Key" plug connection is located on the upper left corner of the XCM25D.

Figure 13: Location of "Hot Key" plug connection

2.13.4 How to program a "Hot Key" from the controller (upload)

Program one controller with the front keypad.

When the controller is on, insert the "Hot Key" and press the UP key; the "uPL" message
appears followed a by a flashing "End" label.

Press the SET key and the "End" label will stop flashing.
 Turn the controller off, remove the "Hot Key" and then turn it on again.
NOTE: The "Err" message appears in case of a failed programming operation. In this case
push the key again if you want to restart the upload again or remove the "Hot Key" to
abort the operation.
2.13.5 How to program a controller using an Emerson "Hot Key" (download)

Turn the controller off.

Insert a pre-programmed "Hot Key" into the 5-pin receptacle and turn the controller on.

The parameter list of the hot key will be automatically downloaded into the controller
memory. The "doL" message will blink followed a by a flashing "End" label.

After 10 seconds the controller will restart working with the new parameters.

Remove the "Hot Key".
NOTE: The message "Err" is displayed in case of a failed programming operation. In this
case turn the unit off, then on again if you want to restart the download, or remove the
"Hot Key" to abort the operation.
22 C6.1.6/0613-0915/E