Electrical connections
Thermo E 200/320
52
11.3. System wiring diagram
Fig. 18: System wiring diagram for heaters Thermo E, legend see page 54
T 30
T 31
F1
25A
F2
5A
T 30
T 31
MS
OI
Main Switch
Operating Indicator
Heater Thermo E
BM
CP+
CP-
CP
NPH
(optional)
SV
„C“
„P“
„T“
3pin
1
2
3
4
1
2
EIU
Control Device
2pin
2pin
4pin
6pin
2.5mm²
2.5mm²
2.5mm²
0.75mm²
0.75mm²
2.5mm²
Coolant
Temperature Sensor
Overheating Protection
Cable cross-sections are effective for a maximum cable length of up to 7.5 m. For longer cables see table on page 51
