Applications Manual Bosch Greenstar | 63
Bosch Thermotechnology Corp.
Data subject to change
System #29
reset
eco
1
2
34
5
6
max
1
2
34
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
L
NG
External Boiler Junction box
120 Vac Supply
B
B
4
2
1
A
F
9
7
8
LWCO
Supply Sensor
DHW Sensor
Dry contacts
Bosch Controls
Outdoor
Sensor
Ź Wire BUS terminal of the Bosch Control to
Terminal BB of Greenstar boiler
Ź Wire Main power supply (120 v) to White molex
of Boiler (external junction box)
Ź Wire 120 VAC of Black Molex to Zone Circulator
Ź Wire Supply Sensor to terminals in the Heatronic
control
DHW Thermistor
Ź Wire Greenstar Tank thermistor sensor to blue
molex adaptor in Greenstar boiler wire harness
DHW
Circulator
Ź Wire 120 VAC of Red Molex to DHW Circulator
L
N
red
storage
tank pump
L
N
black
ch pump
for unmixed heating
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)
Bosch
Control
Zone
Circulator