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NOTE If the firmware versions are not the same, the PCB firmware must be
updated by a Dometic-approved technician.
1. Press the Prg (program) button.
The Main menu screen is displayed.
2. Scroll up or down to select Technician.
• Press the
(enter) button.
• If prompted for a password, enter the service password
3. Select Information.
4. Scroll down to view the firmware version information.
5. Repeat steps 1 to 4 for each stage.
8.3
Setting up the network
1. Ensure that the chillers are not linked by network (Modbus) connections.
The stages must not be able to communicate with each other during network
configuration.
2. Power off all stages except stage 2.
Stage 1 requires minimal changes, so it will be configured last.
3. Press the Prg (program) button.
The Main menu screen is displayed.
4. Scroll up or down to select Technician.
The Technician menu screen is displayed.
5. Scroll down to Service settings.
6. Press the
The Service Password screen is displayed.
7. Enter the service password
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The Service settings menu screen is displayed.
8. Select Stage Address.
9. Press the enter button.
The Parameters screen is displayed.
10. Change address to 2 for chiller 2, 3 for chiller 3, etc.
11. Press the Scroll Down button.
The next screen is displayed.
12. Press the enter button repeatedly to select Num of Stages.
13. Then, change the Num of Stages to the correct number for the current system.
14. Repeat steps 4 to 13 for more stages.
15. For stage 1, perform only steps 12 to 13 to change the total number of stages.
8.4
1. Display the configuration screen:
(enter) button.
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Configuring display addresses
EN
11
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