EN - 1 EREBA ACCESS
CONTENTS
The cover photos are solely for illustration and form 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.
1 - SAFETY CONSIDERATIONS. .......................... 2
1.1 - General. .......................................................... 2
1.2 - Avoid electrocution. ......................................... 2
2 - GENERAL DESCRIPTION. .............................. 2
2.1 - General. .......................................................... 2
2.2 - Abbreviations used. ........................................ 2
3 - HARDWARE DESCRIPTION. ........................... 3
3.1 - General. .......................................................... 3
3.2 - Electrical supply to boards. ............................. 3
3.3 - Light emitting diodes on boards. ..................... 3
3.4 - The sensors. ................................................... 3
3.5 - The controls. ................................................... 3
3.6 - Connections at the user terminal block. .......... 4
4 - SETTING UP PRO-DIALOG+ 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+ CONTROL OPERATION. ....... 17
5.1 - Start/stop control. ........................................... 17
5.2 - Heating/cooling/standby operation. ................ 17
5.3 - Heat exchanger water pump control. .............. 18
5.4 - Control interlock contact. ............................... 18
5.5 - Heat exchanger frost protection. .................... 18
5.6 - Control point. .................................................. 19
5.7 - Demand limit. ................................................. 19
5.8 - Night mode..................................................... 19
5.9 - Capacity control. ............................................ 20
5.10 - Head pressure control. ................................. 20
5.11 - Defrost function. ........................................... 20
5.12 - Desuperheater option. ................................. 20
5.13 - Additional electric heater stage control. ....... 20
5.14 - Control of a boiler. ........................................ 20
5.15 - Master/slave assembly. ................................ 20
6 - DIAGNOSTICS - TROUBLESHOOTING. ........ 22
6.1 - General. ......................................................... 22
6.2 - Displaying alarms. .......................................... 22
6.3 - Resetting alarms. ........................................... 22
6.4 - Alarm codes. .................................................. 23
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