MODINE 74-532.1 Carel Smart Key Instructions
- June 6, 2024
- Modine
Table of Contents
74-532.1
5H0862600001
August, 2021
INSTRUCTIONS
SOFTWARE UPDATE – CAREL SMART KEY
Carel Smart Key
WARNING
- Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage.
- All units must be wired strictly in accordance with the wiring diagram furnished with the unit. Any wiring different from the wiring diagram could result in a hazard to persons and property.
- All wiring must be done with a wiring material having a temperature rating of at least 105°C.
IMPORTANT
- The use of this manual is specifically intended for a qualified installation and service agency. All installation and service of these units must be performed by a qualified installation and service agency.
- These instructions must also be used in conjunction with the Installation and Service manual originally shipped with the unit, in addition to any other accompanying component supplier literature.
- Do not remove the Smart Key while data is being transferred to the key. The file being transferred will be lost and the corresponding space on the Smart Key will not be erased. To restore the original storage capacity of the Smart Key, all files will need to be deleted.
Application
The Carel Smart Key is an electronic device used to simplify the downloading
or uploading of the unit-specific factory control system programs that reside
in the Carel controllers (pCOXS, pCO1, pCOOEM+, pCO3, or pCO5+).
The Smart Key is connected directly to the pCO controller via the RJ-11 cable
supplied. The device is powered by the controller; therefore, no external
power supply is necessary.
Contents
- Smart Key
- RJ-11 Connector Cable
THIS MANUAL IS THE PROPERTY OF THE OWNER.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
SOFTWARE UPDATE INSTRUCTIONS – Smart Key
Smart Key Interface
Prior to connecting the Smart Key to the pCO controller, familiarize yourself
with the interface of the Smart Key. There are several LED indicators and
buttons that will be
referred to later in the instructions.
Figure 1.1 – Smart Key Interface
Smart Key to pCO Controller Connection
WARNING
Disconnect power supply before making wiring connections to prevent electrical
shock and equipment damage.
Prior to transferring the programs to or from the Smart Key, the Smart Key must be connected as follows:
- Turn off power to the unit.
- Unplug any pLAN plug-in connectors from the pCO controller. Refer to Figure 3.1 for location on the different pCO controllers.
- Plug the Smart Key into the pLAN RJ-11 terminal on the pCO controller using the provided RJ-11 cable. Refer to Figure 3.1 for location on pCO controller.
Program Transfer with the Smart Key
IMPORTANT
Do not remove the Smart Key while data is being transferred to the key. The
file being transferred will be lost and the corresponding space on the Smart
Key will not be erased. To restore the original storage capacity of the Smart
Key, all files will need to be deleted.
With the Smart Key properly connected to the pCO the controller as outlined in
the previous section, the Smart Key is ready to for the data transfer
procedure outlined as
follows:
-
Turn on power to the unit. Once the pCO controller has initialized, the Smart Key will then initialize. During this phase, the and LED’s and Start button will flash. If
the Error LED is illuminated, refer to the Error Codes on page 4 for troubleshooting. -
Once the arrows have stopped flashing and the Start button is on steady, the Smart Key is ready for uploading or downloading. The Smart Key must set for uploading
or downloading as follows:
a. For UPLOADING the program from the Smart Key to the pCO controller, the LED must be illuminated. If it is not, press and hold the Mode button until the Smart Key beeps and the LED is illuminated. Proceed to Step 3.
b. For DOWNLOADING the program from the pCO controller to the Smart Key, the LED must be illuminated. If it is not, press and hold the Mode button until the Smart Key beeps and the LCD is illuminated. Proceed to Step 3.
Note: As part of the data transfer process, the device being written to (pCO or Smart Key) will have its contents erased when the Start button is pressed. For the pCO controller, this may include any user-specific settings that existed in the program prior to the upload of the new program version. Be sure to record those settings prior to the upload process. -
Press the Start button to initiate the upload or download. Both arrows will flash at a frequency proportional to the progress of the transfer.
-
When the operation is completed, the buzzer will sound intermittently for 2 seconds. Pressing the Start button again will make the buzzer sound to confirm the operation has been successfully completed without repeating the operation. If the Error LED is illuminated, refer to the Error Codes on page 4 for troubleshooting.
-
If you wish to repeat the operation above, turn off power to the unit, and then repeat steps 1 through 4 above.
-
Once the transfer is complete, follow these steps to complete the process:
a. Turn off power to the unit.
b. Unplug the Smart Key from the pCO controller.
c. Plug in any pLAN plug-in connectors that were previously removed.
d. Turn on power to the unit.
Figure 3.1 – pCO Controller Connections
Smart Key Error Codes
In the event of an error, the corresponding symbol comes on in combination with the other LEDs. Refer to Tables 4.1 and 4.2 for descriptions of Error Codes.
Table 4.1 – Errors BEFORE Pressing the “Start” Button
Affected LED’s and/or Buttons| LED/Button Action|
Reason
---|---|---
+| Symbols flashing|
Communication error: No response from the pCO or: Key firmware version incompatible
+ Mode
| Symbols steady| Password Error
+ Mode
| Symbols flashing| Type of key is incompatible
+
| Symbols steady| The key is missing one or more required
files (memory empty; no kit for the type of pCO connected).
+ +Start
| Symbols steady + flashing “start”| Incompatibility between the software on the key and the pCO hardware.
+ Mode
| Symbols steady + flashing “mode”|
Incompatibility between pCO application and hardware (application size)
****| Steady| Type of key not programmed
Table 4.2 – Errors AFTER Pressing the “Start” Button
Affected LED’s and/or Buttons| LED/Button Action|
Reason
---|---|---
+ Start + + buzzer| Symbols flashing and buzzer sounding intermittently| Write operation failed
+ Start + + buzzer| Symbols flashing and buzzer sounding intermittently| Read operation failed
****| Flashing| Generic Error
Modine Manufacturing Company has a continuous product improvement program and therefore reserves the right to change design and specifications without notice.
© Modine Manufacturing Company 2021
Modine Manufacturing Company
1500 DeKoven Avenue
Racine, WI 53403
Phone: 1.800.828.4328 (HEAT)
www.modinehvac.com
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