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
4.2 - Default screen characteristics ...................................................................................................................................................................................6
4.3 - Password screens ...........................................................................................................................................................................................................6
4.4 - Menu screen 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
6.1 - General .......................................................................................................................................................................................................................... .20
6.2 - Displaying alarms ...................................................................................................................................................................................................... .20
6.3 - Resetting alarms ......................................................................................................................................................................................................... .20
6.4 - Alarm codes ................................................................................................................................................................................................................. .21
6.4 - Alarm codes (cont.) ................................................................................................................................................................................................... .22
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.
2
Need help?
Do you have a question about the BW10 020-090 and is the answer not in the manual?
Questions and answers