Bosch MU 100 Manual De Instalación Para El Técnico página 22

120/230 V AC
120/230VAC 120/230VAC
N L
230 V AC 230 V AC
Caption to the figure above and connection diagrams with
system schematics at end of document:
Protective conductor
Connecting terminal designations:
230 V AC Mains voltage connection
BUS BUS system connection
BMS Building Management System with 0-10 V
interface
HS Heat Source on BUS system
OE1-74 Mains voltage output, solenoid valve
OE1-75 Fault output (230 V)
PC0 Mains voltage output, pump (230 V)
IE0 Pump alarm output
(default setting: N/O contact)
OP0 Pump on/off (output/potential-free contact
≤ 24 V), coding position 3‒5: potential-free
fault output
T0 Low loss header temperature sensor input
IO1-1(+),2(-) Feedback output for heat source power
(0-10 V)
IO1-3(+),4(-) Input for heat source activation
(setpoint value 0–10 V)
OC0 1-2 Output for pump control signal
(setpoint value 0-10 V/PWM)
OC0 1-3 Pump feedback input (pulse width modulation),
2)
optional
CON Control unit with BUS system (Controller)
MC Boiler control device (Master Controller)
MM 100 Heating circuit module (EMS/EMS 2/EMS plus)
MU 100 Extension module
1) The heat exchanger sensor is T0 with the heat exchanger.
2) Observe coding switch position.
22
MU 100
OE1 PC0 IE0 OP0
N L N 74 75 N 63 1 2 1 2
N L N L
M
PC0 IE0
OE1 OE1
2)
≤ 24 V
IO1 OC0
4 5 6
3
1 2 3 4 1 2 3
2
1
0
≤ 24 V
T0 BUS
1 2 1 2
1 2 3 4
(+) (–) (+) (–)
OP0 IO1 IO1
T0 BUS
0-10 V 0-10 V
1)
4 5 6
7 3
8 2
9 1
10
0
1
1 2 3
0-10V
OC0
MU 100 – 6721804146 (2019/10)
7
8
9
10
OC0
2 3
1 2 3
PWM
OC0
0010028622-001