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Applications Manual
System #12
Low Voltage Wiring
out sen
TT
LWCO
BUS
2
3
4
1
CZM100
4 5 6
3
2
See CZM100
1
Manual for
0
additional
Wiring
information
120 VAC
PZ1
PZ2
PZ3
120 VAC
L
N
L
N
L
N
N
Wiring:
Low Voltage
Wire BUS terminal of CZM100 to Terminal #1 of
Greenstar FS boiler
Wire CRC controllers to BUS terminals of
CZM100
See Appendix A for Room Controller Settings
Heatronic Settings:
Boiler
Typical supply
Heating
temperatures
Dial
1
approx. 95 °F (35 °C)
2
approx. 109 °F (43 °C)
3
approx. 122 °F (50 °C)
4
approx. 140 °F (60 °C)
5
approx. 153 °F (67 °C)
6
approx. 167 °F (75 °C)
max
Approx. 194 °F (90°C)
DHW thermostat
min
e
max
Bosch Thermotechnology Corp.
DHW sen
5
6
CRC100 or CRC200
Bosch
1
2
3
4
T0
VZ1
VZ2
VZ3
24VAC
1 2 1 2
3 4
1 2
3 4
1 2
3 4
1 2
< 24 V
L
BUS
BUS BUS BUS
1 2 1 2 1 2
1 2
Application
Frost protection
Radiant floor heating
Panel radiator system
Cast Iron radiator system
Baseboard & convector system
Typical DHW temperatures
approx. 104 °F (40 °C)
approx. 122 °F (50 °C)
approx. 140 °F (60 °C)
L
N
white
mains
120v/60 hz
Bosch
Bosch
Note: For Low Water Cutoff Wiring see
Line Voltage
Wire Main power supply (120 v) to White molex
of Boiler and to 120 VAC input of CZM100
Wire 120 VAC ouputs of PZ1, PZ2 and PZ3 to
Zone Circulators
3
2
1
Bosch Greenstar | 29
Line Voltage Wiring
L
N
black
ch pump
for unmixed heating
(Not Used)
Neutral
Ground
120 V Line
Appendix E of this manual
4
3
5
2
6
1
max
Data subject to change
reset
eco
4
e
6
max
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