Applications Manual Bosch Greenstar | 27
Bosch Thermotechnology Corp.
Data subject to change
System #11
BUS
TT
out sen
LWCO
DHW sen
1
2
3 4
5 6
reset
eco
1
2
34
5
6
max
1
2
34
e
6
max
DHW thermostat
min
e
max
Typical DHW temperatures
approx. 104 °F (40 °C)
approx. 122 °F (50 °C)
approx. 140 °F (60 °C)
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
Neutral
120 V Line
Ground
Low Voltage Wiring Line Voltage Wiring
Heatronic Settings:
Low Voltage
Ź Remove factory jumper from terminal #2 and
connect End Switch of Mult-Zone relay (dry contacts
only) to terminal #2
Wiring:
Line Voltage
Ź Wire Main power supply (120 v) to White molex
of Boiler
( end switch )
TTTTTT
X1
X2
Zone 3
Zone 1
Zone 2
HN
Zone 3
Zone 1
Zone 2
HNHN
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 E of this manual
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