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EVO S -
Installation and Servicing
9.2. Symbols used in the diagrams
Symbol
Function
Symbol
Function
Isolation valve open
Balancing valve
Motor-controlled 2-way valve
Motor-controlled 3-way valve
Filter
Anti-return flap
Safety unit
Pump
Mud cup
Bleed valve
External sensor
Temperature sensor
9.3.
List of diagrams
SINGLE BOILER .......................................................................................................................44
Without control of the secondary communications networks 0...10V or LPB
..................................................... 44
VF1
Control 1 direct circuit with low limit and production of DWH
............................................................................. 48
VF2
2 regulated circuits, 1 direct circuit with low limit and production of DWH
......................................................... 54
VF3
4 regulated circuits, with DHW production
......................................................................................................... 68
VF4
1 non-regulated circuit with sliding flow
.............................................................................................................. 69
VF20, VF21, VF21bis
Production of DHW with a plate exchanger on the primary
................................................................................ 74
VF22
DHW production with hygiatherm ....................................................................................................................... 79
VF23
DHW production with tank with coil .................................................................................................................... 84
VF24
BOILER CASCADE ..................................................................................................................88
Without control of the secondary, communications networks 0...10V or LPB
.................................................... 88
VF10
2 regulated circuits per boiler and production of DHW
....................................................................................... 95
VF11
Содержание EVO S 50
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