Viessmann VITOCROSSAL 200 Type CM2 Technical Manual page 3

Index
(cont.)
9. Control units
Gas condensing boilers
8.10 Standard values for water quality ............................................................................. 48
■ Heating systems with rated operating temperatures in excess of 100 °C
(VDI 2035) ............................................................................................................. 48
■ Prevention of damage through corrosion on the water side ................................. 49
8.11 Frost protection ......................................................................................................... 49
8.12 Condensate and neutralisation ................................................................................. 50
■ Design notes regarding condensate drain pipe .................................................... 50
■ Neutralising systems ............................................................................................. 50
8.13 Intended use ............................................................................................................. 50
9. 1 Overview of boiler control units and control panels .................................................. 50
■ Single boiler systems ............................................................................................ 51
■ Multi boiler systems .............................................................................................. 52
■ Control panel installation ....................................................................................... 53
■ Switching points .................................................................................................... 54
9. 2 Components in the delivered condition ..................................................................... 54
■ Allocation to control unit types .............................................................................. 54
■ Boiler water temperature sensor ........................................................................... 54
■ Boiler water temperature sensor in conjunction with the Vitotronic 100,
type GC4B and Vitotronic 300, type GW4B .......................................................... 55
■ Cylinder temperature sensor ................................................................................. 55
■ Outside temperature sensor ................................................................................. 55
9. 3 Vitotronic 100, type GC1B, part no. 7498 901 .......................................................... 55
■ Specification .......................................................................................................... 55
■ Delivered condition ............................................................................................... 57
9. 4 Vitotronic 100, type GC4B, part no. 7441 811 .......................................................... 57
■ Specification .......................................................................................................... 57
■ Delivered condition ............................................................................................... 59
9. 5 Vitotronic 200, type GW1B, part no. 7498 902 ......................................................... 59
■ Specification .......................................................................................................... 59
■ Delivered condition ............................................................................................... 61
9. 6 Vitotronic 300, type GW2B, part no. 7498 903 ......................................................... 61
■ Specification .......................................................................................................... 61
■ Delivered condition ............................................................................................... 64
9. 7 Vitotronic 300, type GW4B, part no. 7441 813 ......................................................... 64
■ Specification .......................................................................................................... 64
■ Delivered condition ............................................................................................... 66
9. 8 Vitotronic 300-K, type MW1B, part no. 7498 906 ..................................................... 66
■ Specification .......................................................................................................... 66
■ Delivered condition ............................................................................................... 68
VIESMANN
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