Bosch MS 100 Installationsanleitung Seite 31

VS1,
PS2, PS3
N 74 75
N L
M
PS5*
Legend to above Fig. and Fig. 17 to 23, from page 199:
Solar thermal system
Function
Additional function (shown in grey)
Freshwater system
Function
Additional function (shown in grey)
Earth lead

Temperature/temperature sensor
BUS connection between heat source and module
No BUS connection between heat source and
module
Terminal designations:
230 V AC Mains voltage connection
BUS BUS system connection
OS1 Connection for pump speed modulation (PWM or
0-10 V) (Output Solar) / Terminal assignment:
1 – earth; 2 – PWM/0-10 V output; 3 – PWM input
(optional)
PS1...3 Pump connection (Pump Solar)
TS1...3 Temperature sensor connection (Temperature
sensor Solar)
VS1 3-way valve connection or 3-way mixing valve
(Valve Solar)
IS1 Connection for heat meter (Input Solar)
Terminal assignment: 1 – earth (water meter and
temperature sensor); 2 – flow rate (water meter);
3 – temperature (temperature sensor); 4 – 5 V DC
(power supply for vortex sensors)
MS 100
MS 100
120/230 V AC
VS1, PS2, PS3
120/230VAC 120/230VAC
N L N L N 74
N L
M
230 VAC
230 VAC PS6*
PS9*
≤ 24 V
IS1
1 2 3
≤ 24 V
PS1 TS1 TS2
75 N 63 1 2 1 2
N L
M
PS1
TS1 TS2
Solar system components:
230 V AC Mains voltage
BUS EMS 2/EMS plus BUS system
PS1 Solar circuit pump for collector array 1
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 DHW circulation pump
MS 100 Module for standard solar thermal systems
TS1 Temperature sensor for collector array 1
TS2 Cylinder 1 bottom temperature sensor
TS6 Heat exchanger temperature sensor
TS9 Cylinder 3 top temperature sensor, connection e.g.
to heat appliance (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) 7
TS17 Temperature sensor on the DHW heat exchanger
(secondary side)
TS21 Temperature sensor at heat exchanger
(flow, primary side)
VS5 3-way valve in return
VS6 Valve for cascade
WM1 Water meter
OS1
4 1 2 3
TS3 BUS
1 2 1 2
V
TS6* WM1 TS13
BUS
TS12*
6 720 810 985-01.1O
6 720 815 256 (2014/10)
Installation | 31
1 2 3
PWM
0-10V
PS1