Strebel 40S-70, Installation Manual

Page: 19 / 38

15
Assembly
Hydraulic diagram
– system 3
Electrical connection diagram
System no. 3, which is stored in the control, must be entered for the application cases defined in this installation manual.
Key
1 Turbotec wood gas boiler
2 Load compensation storage
tank, buffer storage tank or
energy storage tank
3 Heating distributor
4 Tap water storage tank
5 Heating circuit and tap water
control
6 Hydraulic unit
Y1 Return valve with actuator
Y2 Charging valve with actuator
Y3 Four-way valve with actuator
Y4 Non-return valve or flap
Z5 Non-return valve or flap
SS Storage tank sensor
(lambda control)
BS Boiler sensor for the heating
circuit and tap water control
P1 Primary pump
P2 Heating circuit pump
P3 Charging pump, tap water
storage tank
H1 Remote indicator ‘Add fuel’
Position Y2:
Storage tank bypassed (0)
Storage tank switched in (1)
Important instruction:
Stop valves, vents and technical safety measures are not shown in this block diagram. These must be installed
system-specifically in accordance with standards and regulations.
The electrical installation of the boiler system, including all control and safety devices, may only be performed by a
qualified electrician. The relevant national regulations (Germany: VDE DIN 57116 Electrical Equipment of
Combustion Plants; Austria: ÖVE 0116) and the Technical Connection Conditions) of the electricity supply
company must be complied with.