ECKELMANN Case Controller UA 4 E Series - Necessary Settings for the Master; Slave Mode; Special Features and Constraints

Firmware V3.13
21.04.2021
80/466
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5.8.5.3 Necessary settings for the master / slave mode
Controller - Hardware
In order to activate the master/slave mode, the coding switch 4 on the DIP switch 3 on the case controller
must be set to ON.
The change is only adopted when the controller is restarted (switched off and back on again).
Controller - Software
The activation of the Master / Slave mode can be checked in the menu 6-2-1.
5.8.5.4 Special features and constraints
All defrost relays are energized simultaneously at the commencement of defrosting. As defrosting proceeds,
theevaporatordefrostrelaysarede-energizedseparatelyandexclusivelyasafunctionofdefrosttermination
temperature.
All the characteristics of the defrost function such as defrost on demand, defrost via CAN bus and manual
defrostarepreservedbythemastercasecontrollerandalsoneedtobeparameterisedhere(onthemaster).
The master / slave wiring is described in the chapter Wiring of the master-slave function for defrost
synchronisation.
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Return to cooling mode is not however made until defrosting is completed on all synchronized cases.
Defrosting can be carried out on the master by inputting a signal to the defrost input.
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