Electrical connections
Thermo 230/231/300/301/350
56
10.5. Water Temperature Control Thresholds::
10.5.1.
Pin Assignment of Cable Harness for Control Thresholds, Models Thermo 230 / Thermo 300 / Thermo 350 (Standard)::
NOTE:
Auxiliary heating has priority over the economy setting!
10.5.2.
Pin Assignment of Cable Harness for Control Thresholds, Models Thermo 230.126 / Thermo 300.126 / Thermo 350.126 (Rail)::
NOTE:
Auxiliary heating has priority over the economy setting!
Heater
Auxiliary heating
Parking heating
Economy setting
Comment
0->1
1->control
idle period
0->1
1->control
idle period
0->1
1->control
idle period
Thermo 230.032
Thermo 300.031
Thermo 350.032
78
85
70
85
55
70
Standard data record
Thermo 230.126 Rail
Thermo 300.126 Rail
Thermo 350.126 Rail
70
85
45
60
5
20
Engine start-up (>+60°C)
P heat preservation (>+40°C)
Freeze protection (>+0°C)
Control unit function
on/off
volts Connector
Pin Comment
Auxiliary heating
on
24 V
X3
5
only in conjunction with parking heater
Parking heating
on
24 V
X1
5
switch connecting wire to control unit
Economy setting
on
24 V
X3
4
only in conjunction with parking heater
Control unit function
on/off
volts Connector Pin Comment
Auxiliary heating
on
24 V
X3
3
only in conjunction with parking heater
Parking heating
on
24 V
X3
5
switch connecting wire to control unit
Economy setting
on
24 V
X3
2
only in conjunction with parking heater
Th23_EA_degbfr_g.book Seite 56 Dienstag, 15. Februar 2005 2:03 14