2
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 CONTROL SYSTEM4.1 - 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 - CONTROL OPERATION .......................................................................................................................................................16
5.1 - Start/stop control....................................................................................................................................................................................................... .16
5.2 - Heating/cooling/standby operation ................................................................................................................................................................... .16
5.3 - Heat exchanger water pump control ................................................................................................................................................................. .17
5.4 - Control interlock contact ........................................................................................................................................................................................ .17
5.5 - Control point ............................................................................................................................................................................................................... .17
5.6 - Capacity control ......................................................................................................................................................................................................... .18
5.7 - Demand limit ............................................................................................................................................................................................................... .18
5.8 - Night mode .................................................................................................................................................................................................................. .18
5.9 - Control of a boiler ...................................................................................................................................................................................................... .19
5.10 - Master/slave assembly .......................................................................................................................................................................................... .19
5.11 - Heating module (HDC) control........................................................................................................................................................................... .19
6 - DIAGNOSTICS - TROUBLESHOOTING ..............................................................................................................................20
6.1 - General .......................................................................................................................................................................................................................... .20
6.2 - Displaying alarms ...................................................................................................................................................................................................... .20
6.3 - Resetting alarms ......................................................................................................................................................................................................... .20
6.4 - Alarm codes ................................................................................................................................................................................................................. .21
6.4 - Alarm codes (cont.) ................................................................................................................................................................................................... .22
Summary of Contents for BW10 020-090
Page 1: ...BW10 020 090 Control Operation instructions VMGFU102...
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