5
Rear
20 RS232
RS485
Interface RS232/RS485
21 REG+E-PROG
Programmer input and temperature recorder output
22a/22b
Connector: control cable of JULABO refrigerated circulator
23 STAND-BY
Stand-by input (for external emergency switch-off)
24 ALARM
Alarm output (for external alarm signal)
25
Connector for external measurement and control sensor
26
Connectors for solenoid valve and/or supplementary pump
230 V / 115 V
27
Fuses M 1.25 A / M 2.5 A (for connectors 26)
28a/28b
Mains fuses: Circulator
Cooling machine
29a/29b Mains power cable with plug: Circulator/Cooling machine
30 + 31
Pump connectors suction pump pressure pump
33
Selector dial for cooling machine (only on F25, F34)
Position „1“ for operation with circulator
34 Built-in mains outlet for connection of circulator
Only for water cooled models: Cooling water OUTLET and INLET
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