Building Technologies Division
Infrastructure & Cities Sector
Contents
1
Introduction ...................................................................................................... 8
1.1
General notes .................................................................................................. 8
1.2
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
2.1
Type field ....................................................................................................... 13
2.2
Scope of delivery ........................................................................................... 13
3
Installation ..................................................................................................... 14
3.1
3.2
Dimensions .................................................................................................... 14
3.3
Side-by-side mounting ................................................................................... 15
3.4
3.5
3.6
Cleaning the front .......................................................................................... 16
4
Electrical connections .................................................................................... 17
4.1
Installation notes ............................................................................................ 17
4.2
Galvanic separation ....................................................................................... 18
4.3
5
Operating modes ........................................................................................... 21
5.1
Low-fire operation .......................................................................................... 21
5.2
High-fire operation ......................................................................................... 22
5.2.1
5.2.2
5.2.3
5.2.4
5.3
Burner shutdown ........................................................................................... 26
5.4
Predefined setpoint ........................................................................................ 27
5.5
5.6
Cold start of plant .......................................................................................... 29
5.7
6
Operation ....................................................................................................... 32
User Manual RWF50...
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CC1U7866en
25.07.2014