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GENERAL LEGEND
Each of the following drawings is replaced in the whole document by the corresponding explanation:
Start/stop button
Return key
Down arrow
Up arrow
DELTA T. Example: temperature difference between entering and leaving heat exchanger temperatures
means character is flashing
The cover graphics are solely for illustration and forms no part of any offer for sale or any sale contract. The manufacturer
reserves the right to change the design at any time without notice.
5 - PRO-DIALOG CONTROL OPERATION ............................................................................................................................29
5.1 - Start/stop control ................................................................................................................................................................29
5.2 - Heating/cooling operation ..................................................................................................................................................30
5.2.1 - General.......................................................................................................................................................................30
5.2.2 - Heating/cooling selection ..........................................................................................................................................30
5.3 - Evaporator water pump control ..........................................................................................................................................31
5.4 - Control interlock contact ....................................................................................................................................................31
5.5 - Evaporator heater control ...................................................................................................................................................31
5.6 - Control point.......................................................................................................................................................................31
5.6.1 - Active setpoint ...........................................................................................................................................................31
5.6.2 - Reset...........................................................................................................................................................................33
5.7 - Demand limit ......................................................................................................................................................................33
5.8 - Night mode .........................................................................................................................................................................33
5.9 - Capacity control..................................................................................................................................................................33
5.10 - Head pressure control .......................................................................................................................................................33
5.11 - Defrost function................................................................................................................................................................34
5.12 - Additional electric heater stage control ............................................................................................................................34
5.13 - Control of a boiler ............................................................................................................................................................34
5.14 - Master/slave assembly......................................................................................................................................................34
5.15 - Controlling Pro-Dialog units with a System Manager .....................................................................................................34
6 - DIAGNOSTICS - TROUBLESHOOTING ............................................................................................................................35
6.1 - General ...............................................................................................................................................................................35
6.2 - Displaying alarms...............................................................................................................................................................35
6.3 - Resetting alarms .................................................................................................................................................................35
6.4 - Alarm codes........................................................................................................................................................................35