11002347AA
date of change: 20.08.2014
Page: 2/19
Contents
Page
1
Technical data of control unit ...........................................................................................3
2
General description of the control unit ............................................................................4
2.1
LED-display .........................................................................................................................4
2.2
Programming Menu .............................................................................................................4
2.3
Connecting and Safety instructions......................................................................................5
2.4
Functions of buttons ............................................................................................................6
2.5
Factory setting / delivery state FR4.1...................................................................................6
3
Switching-on the unit ........................................................................................................7
3.1
Switching-on the refrigeration unit by button of FR4.1....................................................7
3.2
Indication and change of setpoint ........................................................................................7
3.3
Sampling of operating hours ................................................................................................8
3.4
Sampling of operating hours since last service ...................................................................8
3.5
Sampling of the temperature values of room sensor and evaporator sensor........................8
4
Faults – indications and signals.......................................................................................8
5
Adjustment of Parameters in the menu ...........................................................................9
5.1
Example for change of a parameter, here parameter defrost interval “d.dı” .........................9
5.2
Conversion to cooling with recirculated air defrosting / or replace a FR1, FR2,FR3 or FR4 .9
5.3
Conversion to cooling – heating with hotgas – defrosting with hotgas................................10
6
Control of defrosting .......................................................................................................10
7
Configuration of the parameters with “FR 4 copy-key” ................................................11
8
Logic >> Explanations for the functions of the control conditions..............................12
8.1
Cooling and defrosting with hot gas >> delivery state FR4...........................................12
8.2
Cooling and defrosting with recirculated air >> see changes in parameters point 5.2. .......12
8.3
Neutral zone (c heating with hot gas) and defrosting with hot gas >> see changes
in parameters point 5.3. ....................................................................................................12
9
Connection diagram and parameter chart .....................................................................13
9.1
Connection diagram...........................................................................................................13
9.2
Parameter chart.................................................................................................................13
