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Building Technologies Division User Manual RWF55... CC1U7867en
Infrastructure & Cities Sector Contents 05.11.2013
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 ........................................................................................... 22
5.1 Low-fire operation .......................................................................................... 22
5.2 High-fire operation ......................................................................................... 23
5.2.1 Modulating burner, 3-position output ............................................................. 23
5.2.2 Modulating burner, analog output .................................................................. 24
5.2.3 2-stage burner, 3-position output ................................................................... 25
5.2.4 2-stage burner, analog output ....................................................................... 26
5.3 Burner shutdown ........................................................................................... 27
5.4 Predefined setpoint ........................................................................................ 28
5.4.1 Setpoint changeover SP1 / SP2 or setpoint shift analog via InP2 ................... 29
5.4.2 Setpoint changeover SP1 / external setpoint via InP2 ................................... 30
5.4.3 Setpoint shifting SP1 analog via InP2 / binary via dSP .................................... 31
5.4.4 External setpoint, setpoint shifting binary via dSP .......................................... 32
5.5 Weather-compensated setpoint shifting ........................................................ 33
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