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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.
Contents
1 - SAFETY CONSIDERATIONS ............................................................................................................................................... 3
1.1 - General ..................................................................................................................................................................................... .3
1.2 - Avoid electrocution ................................................................................................................................................................. .3
2 - GENERAL DESCRIPTION .................................................................................................................................................... 3
2.1 - General ..................................................................................................................................................................................... .3
2.2 - Abbreviations used.................................................................................................................................................................. .3
3 - HARDWARE DESCRIPTION ............................................................................................................................................... 3
3.1 - General ..................................................................................................................................................................................... .3
3.2 - Electrical supply to boards ..................................................................................................................................................... .4
3.3 - Light emitting diodes on boards ............................................................................................................................................ .4
3.4 - The sensors ............................................................................................................................................................................... .4
3.5 - The controls .............................................................................................................................................................................. .4
3.6 - Connections at the user terminal block ................................................................................................................................ .4
4. SETTING UP PRO- CONTROL .......................................................................................................................... 6
4.1 - General features ...................................................................................................................................................................... .6
4.2 - Default screen characteristics ................................................................................................................................................ .6
4.3 - Password screens ..................................................................................................................................................................... .6
4.4 - Menu screen characteristics ................................................................................................................................................... .6
4.5 - Data screen or configurable parameter characteristics ...................................................................................................... .6
4.6 - Parameter modification .......................................................................................................................................................... .7
4.7 - Operating mode screen........................................................................................................................................................... .7
4.8 - Menu tree structure ................................................................................................................................................................. .8
4.9 - Detailed menu description ..................................................................................................................................................... .9
5 - PRO-DIALOG PLUS CONTROL OPERATION............................................................................................................. 15
5.1 - Start/stop control ................................................................................................................................................................... .15
5.2 - Heat exchanger water pump control................................................................................................................................... .15
5.3 - Control interlock contact ..................................................................................................................................................... .15
5.4 - Heat exchanger frost protection .......................................................................................................................................... .15
5.5 - Control point.......................................................................................................................................................................... .15
5.6 - Capacity limitation ................................................................................................................................................................ .16
5.7 - Capacity control .................................................................................................................................................................... .16
5.8 - Defrost function .................................................................................................................................................................... .16
5.9 - Additional electric heater stage control ............................................................................................................................. .17
5.10 - Control of a boiler ............................................................................................................................................................... .17
5.11 - Eco function ......................................................................................................................................................................... .17
5.12 - Master/slave assembly ........................................................................................................................................................ .17
6 - DIAGNOSTICS - TROUBLESHOOTING ......................................................................................................................... 18
6.1 - General ................................................................................................................................................................................... .18
6.2 - Displaying alarms .................................................................................................................................................................. .18
6.3 - Resetting alarms .................................................................................................................................................................... .18
6.4 - Alarm codes ........................................................................................................................................................................... .19