Contents
1 Introduction...................................................................................................... 8
1.1 General notes ..................................................................................................8
1.2 Typographical conventions.............................................................................. 9
1.2.1 Safety notes..................................................................................................... 9
1.2.2 Warning symbols ............................................................................................. 9
1.2.3 Notification symbols.......................................................................................10
1.2.4 Presentation .................................................................................................. 10
1.3 Description..................................................................................................... 11
1.4 Block structure............................................................................................... 12
2 Identification of product no. ........................................................................... 13
2.1 Type field .......................................................................................................13
2.2 Scope of delivery ...........................................................................................13
3 Installation ..................................................................................................... 14
3.1 Installation site and climatic conditions..........................................................14
3.2 Dimensions.................................................................................................... 14
3.3 Side-by-side mounting................................................................................... 15
3.4 Mounting the controller in a panel cutout....................................................... 15
3.5 Removing the controller from the panel cutout.............................................. 16
3.6 Cleaning the front .......................................................................................... 16
4 Electrical connections....................................................................................17
4.1 Installation notes............................................................................................ 17
4.2 Galvanic separation....................................................................................... 18
4.3 Assignment of terminals ................................................................................ 19
5 Operating modes ...........................................................................................21
5.1 Low-fire operation.......................................................................................... 21
5.2 High-fire operation .........................................................................................22
5.2.1 Modulating burner, 3-position output .............................................................22
5.2.2 Modulating burner, analog output.................................................................. 23
5.2.3 2-stage burner, 3-position output................................................................... 24
5.2.4 2-stage burner, analog output ....................................................................... 25
5.3 Burner shutdown ........................................................................................... 26
5.4 Predefined setpoint........................................................................................ 27
5.5 Response threshold (q) ................................................................................. 28
5.6 Cold start of plant .......................................................................................... 29
5.7 Thermal shock protection (TSS).................................................................... 31
6 Operation....................................................................................................... 32
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