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Applications Manual
System #7
Low Voltage Wiring
out sen
TT
BUS
2
3
1
Room
Thermostat
Wiring:
Low Voltage
Remove factory jumper from terminal #2 and
connect non-power robbing thermostat (dry contacts
only) to terminal #2
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)
Bosch Thermotechnology Corp.
DHW sen
LWCO
4
5
6
120 V Line
Ground
Neutral
Application
Frost protection
Radiant floor heating
Panel radiator system
Cast Iron radiator system
Baseboard & convector system
Line Voltage Wiring
L
N
L
N
white
red
ch pump
mains
storage
for unmixed heating
tank pump
120v/60 hz
(Not Used)
Note: For Low Water Cutoff Wiring see
Appendix E of this manual
Line Voltage
Wire Main power supply (120 v) to White molex
3
4
5
2
1
6
max
Bosch Greenstar | 19
L
N
black
reset
eco
3
4
e
2
6
1
max
Data subject to change
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