Applications Manual Bosch Greenstar
| 49
Bosch Thermotechnology Corp.
Data subject to change
Neutral
120 V Line
Ground
See CZM100
Manual for
Detail wiring
CRC100 or CRC200
CZM100
Bosch
Bosch
VZ3
VZ1
T0
24VAC
VZ2
1
2
1
2
1
2
1
2
1
2
3 4
3
4
3
4
24 VAC
Transformer
2-wire, 3 -wire and 4- wire zone valves
120 Vac
24 Vac
PZ3
PZ2
PZ1
120 VAC
L
N
L
N
L
N
L
N
< 24 V
BUS
1 2 1
2
1
2
1 2
BUS BUS BUS
120 VAC
Bosch
1
4 5
6
0
3
2
1
2
3
4
System # 22
reset
eco
1
2
3
4
5
6
max
1
2
3
4
e
6
max
Boiler
Heating
Dial
1
2
3
Typical supply
temperatures
approx. 95 °F (35 °C)
approx. 109 °F (43 °C)
approx. 122 °F (50 °C)
4
5
6
approx. 140 °F (60 °C)
approx. 153 °F (67 °C)
approx. 167 °F (75 °C)
max
Approx. 194 °F (90°C)
Application
Frost protection
Radiant floor heating
Panel radiator system
Cast Iron radiator system
Baseboard & convector system
Heatronic Settings:
Low Voltage
Wiring:
Line Voltage
Heatronic Internal Wiring
B
B
4
2
1
A
F
9
7
8
LW
CO
Supply Sensor
Dry contacts
Bosch Controls
Outdoor
Sensor
Ź
Wire BUS terminal of CZM100 to Terminal BB of
Greenstar boiler Heatronic control
Ź
Wire Main power supply (120 v) to White molex
of Boiler (external junction box) and to 120 VAC
input of CZM100
Ź
Wire CRC controllers to BUS terminals of CZM100
(See Appendix A for Room Controller Settings)
Ź
Wire 120 VAC ouput of PZ1 to system pump
Ź
Provide 24 Vac from transformer to Terminals 1
and 2 of CZM100 labeled “24 VAC”
Ź
Wire zone valves to “VZ” terminals of CZM100 –
remove jumper from terminal 3 and 4 for 3-wire and
4-wire zone valves
Ź
Wire Supply Sensor to “TO” connection of CZM100
External Boiler
Junction box
L
N
red
storage
tank pump
L
N
black
ch pump
for unmixed heating
(Not Used)
L
N
white
mains
120v/60 hz
Note: For Low Water Cutoff Wiring see
Appendix D of this manual
Supply Sensor
DHW thermostat
min
e
max
Typical DHW temperatures
approx. 59 °F (15 °C)
approx. 131 °F (55 °C)
approx. 158 °F (70 °C)
Содержание FS 100
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