Beckett RWF40 Manual - Manual (Page 3)

HVAC Products CC1B7865en 01.09.2005 3/57
Introduction ........................................................................................... 6
General notes................................................................................................................. 6
Description ..................................................................................................................... 6
Typographical conventions .......................................................................................... 7
Warning symbols ............................................................................................................. 7
Notification symbols......................................................................................................... 7
Presentation..................................................................................................................... 7
Type of unit ............................................................................................ 8
Type field ........................................................................................................................ 8
Installation ............................................................................................. 9
Installation site and climatic conditions ..................................................................... 9
Dimensions .................................................................................................................... 9
Side-by-side mounting ................................................................................................ 10
Mounting in a panel cutout......................................................................................... 10
Cleaning the front........................................................................................................ 11
Removing the controller module................................................................................ 11
Electrical connections ........................................................................ 12
Installation notes ......................................................................................................... 12
Block diagram .............................................................................................................. 13
Assignment of terminals............................................................................................. 14
Galvanic separation..................................................................................................... 17
Operating modes................................................................................. 18
Low-fire operation ....................................................................................................... 18
High-fire operation....................................................................................................... 18
Modulating burner, floating output ................................................................................. 18
Modulating burner, analog output .................................................................................. 19
2-stage burner, floating output....................................................................................... 19
2-stage burner, analog output........................................................................................ 20
Safety shutdown.......................................................................................................... 20
Predefined setpoint ..................................................................................................... 20
Setpoint changeover «SP1 / SP2», analog setpoint shift .............................................. 21
Setpoint changeover «SP1» / external setpoint............................................................. 22
Setpoint «SP1», analog / binary setpoint shift ............................................................... 23
External setpoint, binary setpoint shift ........................................................................... 24
Weather-dependent setpoint shift ............................................................................. 25
Heating curve slope ....................................................................................................... 26
Response threshold «Q» ............................................................................................ 27
Cold start of plant........................................................................................................ 28
Contents
1.
1.1
1.2
1.3
1.3.1
1.3.2
1.3.3
2.
2.1
3.
3.1
3.2
3.3
3.4
3.5
3.6
4.
4.1
4.2
4.3
4.4
5.
5.1
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.3
5.4
5.4.1
5.4.2
5.4.3
5.4.4
5.5
5.5.1
5.6
5.7