Connection Diagrams With System Schematics - Bosch MS 100 Manual De Instalación Para El Técnico

Legend for the above images and images 19 to 28 at the
end of the document:
230 V AC Mains voltage connection
BUS BUS system connection
OS1** Connection to pump speed control
(PWM or 0-10 V) (Output Solar)
PS1...3 Connection to pump (Pump Solar)
TS1...3 Connection to temperature sensor
(Temperature sensor Solar)
VS1 Connection to 3-way valve or 3-way mixer
(Valve Solar)
IS1*** Connection for heat metering (Input Solar)
*** Input terminal assignment:
[1] Earth (water meter and temperature sensor)
[2] Flow rate (water meter)
[3] Temperature (temperature sensor)
[4] 5 VDC (power supply for volumetric flow rate sensor)
** Output terminal assignment:
[1] Earth, reverse polarity protected
[2] PWM/0-10 V output, reverse polarity protected
[3] PWM input (optional)
Components for solar thermal systems:
230 V AC Mains voltage
BUS BUS system
PS1 Solar pump, 1st collector array
PS5 Cylinder primary pump when using an external heat
exchanger
PS6 Cylinder transfer pump for transfer system without
heat exchanger (and thermal disinfection)
PS9 Thermal disinfection pump
PS11 Pump on the heat source side (primary side)
MS 100 Module for standard solar systems
TS1 Temperature sensor for collector array 1
TS2 Temperature sensor at bottom of cylinder 1
TS6 Heat exchanger temperature sensor
TS9 Temperature sensor at top of cylinder 3, connection
e.g. at heat generator (do not connect to MS 100)
TS12 Temperature sensor in flow to solar collector
(heat meter)
TS13 Temperature sensor in return from solar collector
(heat meter)
WM1 Water meter (Water Meter)
MS 100 – 6721830547 (2020/12)
Components for freshwater systems:
230 V AC Mains voltage
BUS BUS system
PS1 Circulation pump, transfer pump, cascade valves
2 – 4
PS5 Cylinder primary pump when using an external heat
exchanger
PS6 Cylinder transfer pump for transfer system without
heat exchanger (and thermal disinfection)
PS9 Thermal disinfection pump
PS11 Pump on the heat source side (primary side)
PS13 Circulating pump
TS17 Temperature sensor at heat exchanger
(DHW, secondary side)
TS21 Temperature sensor at heat exchanger
(flow, primary side)
TS22 Temperature sensor in the cylinder for temperature-
dependent return feed
TS23 Faulty temperature sensor at cold water inlet and
circulation return
VS5 3-way valve in the return
VS6 Valve for cascade
WM1 Volumetric flow rate sensor

3.3.4 Connection diagrams with system schematics

The hydraulic diagrams are only schematic in nature and are
non-binding suggestions for a hydraulic layout. The safety
equipment must be implemented in accordance with the
applicable standards and local regulations. More complex
systems can be created in combination with the MS 200 solar
module. For more information and options, refer to the
technical guides or tender specification.
Additional legend for the connection diagrams at the end of
the document:
Solar thermal system
Function
Additional function (shown in grey)
Freshwater system
Function
Additional function (shown in grey)
Earth wire

Temperature/temperature sensor
BUS connection between heat source and module
No BUS connection between heat generator and
module
Fault output
Installation
33