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Access 4.x |
Configuring the sectional defrosting module DM50-C |
The sectional defrosting module DM50-C can be configured either with the S-E3-DSP control panel or by using the Access application.
For proceeding with configuration through Access - connection and modbus control of the DM50-C shall be activated first.
DM50-C configuration example (with 3 section dampers + 1 bypass damper) |
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Variable |
Available options & Selection |
Note |
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Configuration of the section defrosting module |
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Configuration > Functions > Temperature control > Sectional defrosting > DM50-C configuration |
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Number of section dampers |
| 2 section dampers | | 3 section dampers | | 4 section dampers | |
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Bypass compensation during defrosting |
[0] % |
The setting indicates how much the bypass damper is open during defrost 0% - fully closed 100% - fully open |
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Defrosting duration per section damper |
[13] min |
Section under defrosting will remain closed for 13 minutes. |
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Manual test |
| Off | On | |
Sequential opening of the section dampers for testing purposes (Select On to start the test) |
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Test duration per section damper |
[90] s |
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Actual operation mode |
Local override \ Standby \ Test mode running \ Defrosting |
Local override: possible connection lose to the DM50-C module (check connection settings and status) Standby: Connection OK, exchanger in normal operation Test mode running: Manual test has been activated Defrosting: Connection OK, the DM50-C is overriding control of the section and bypass damper |
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Modbus control status |
Local \ Active |
Local: DM50-C is not controlled by Access via modbus (check connection settings and status) Active: connection is functioning properly |
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Activate Modbus control |
| No | Yes | |
Activate Modbus control |
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The Access also indicates the current state of the section defrosting module.
Status of the section defrosting unit DM50-C |
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Variable |
Available options & Selection |
Note |
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Status of the DM50-C |
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Data & Settings > Temperature control > Exchanger > Section defrosting > Bus values DM50-C |
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Actual operation mode |
Standby / Defrosting |
Standby: Exchanger in normal operation Defrosting: DM50-C is overriding the control of the section and bypass damper |
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Exchanger control signal |
__ % |
Exchanger control signal from the main controller 0%: Bypass fully open / Sections fully closed 100%: Bypass fully closed / Sections fully open |
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Output signal bypass damper |
__ % |
Closing percentage of the bypass damper while defrosting 0%: Bypass fully open 30%: Bypass open by 70% (30% closed) 100%: Bypass fully closed |
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Output signal section damper 1 |
0 % ... 100 % |
Opening percentage of the section damper: 0%: Section fully closed 30%: Section open by 30% (70% closed) 100%: Section fully open |
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Output signal section damper 2 |
0 % ... 100 % |
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Output signal section damper 3 |
0 % ... 100 % |
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DM50-C |
Local / Remote via modbus |
Local: DM50-C is not controlled by the Access via modbus (check the connection settings and status) Remote via modbus: connection is functioning properly |
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