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The display shows information about the current control mode via different LED indicators.
The programming menu includes all parameters of the unit, accessible at the Service level.
Important warnings regarding unit connection, ambient conditions, housing, sensor installation, and electrical connections.
Details pressing the [U] button for 3 seconds to switch on the unit and display readings.
Explains how faults are indicated by blinking display and lists fault codes like E1 and E2.
Step-by-step guide on how to change a parameter like defrost interval, including password entry.
Details parameter changes required for converting to recirculated air defrosting or replacing older units.
Warning about changing the 'FunC' parameter to 'nr' only if a fluid extractor is installed.
Steps to transmit configuration from FR4 to FR4 copy-key, including dip switch settings and LED signals.
Steps to transmit configuration from FR4 copy-key to another FR4 unit, checking LED signals.
Explains the logic for cooling and hot-gas defrosting, detailing compressor, fan, and DEF status.
Details the logic for cooling and recirculated air defrosting, referencing parameter changes.
Explains neutral zone logic for cooling, heating, and hot-gas defrosting, referencing parameter changes.
Provides a visual diagram showing output and input connections for the control unit.
Lists parameters related to setpoints (Group SP) with their descriptions, ranges, and default values.
Defrosting mode parameter, specifying electrical, hot air, or recirculated air defrosting.
General| Brand | KONVEKTA |
|---|---|
| Model | FR4 |
| Category | Control Unit |
| Language | English |
