Recirculating coolers
33
7.1.
Other error messages
ACTUAL
SET
Incorrect/invalid entry. Value too small or too
large, or function not available.
Under menu item E_Sb the parameter is set to 1,
and the connection between Pin 2 and Pin 3 of
the stand-by connector is interrupted (see page
35).
8. Electrical
connections
Notice:
Use shielded cables only.
The shield of the connecting cable is electrically connected to the plug
housing.
Programmer input / Temperature recorder output (O)
1
2
3
4
5
6
Pin
Signal .
1 Output: temperature external sensor 10 mV/K
2 Output: calculated temperature in respect
to control ratio for feed/return temp. 10 mV/K
3 Gnd for outputs
0 V
4 Input: programmer
0 to 24 mA
or 0 to 10 V
5 Output: setpoint temperature
10 mV/K
6 Gnd for progammer
0 V
Connector for external Pt100 sensor (N)
1
2
3
4
1
4
2
3
Shield
Plug
Look on
soldering side.
Pt100
Pin assignment:
Pin
Signal
1
2
3
Voltage-
4
Current-
