JUMO 602021 Panel-Mounted Thermostat EM Series Up to 500C Operating Manual - Manual (Page 22)

5 Settings
22
5.2 Setpoint adjustment
EM-1
EMF-1... ( 1 ) Setpoint marker
( 2 ) External scale
( 3 ) Setpoint knob
( 4 ) Scale graduation
✱ Rotate the setpoint knob by hand over the
external scale
EM-2
EMF-2...
EM-5
EMF-5...
EM-20
EM-50 ( 1 ) Setpoint spindle
( 2 ) Scale graduation
( 3 ) Setpoint marker
✱ Rotate the setpoint spindle over the internal
scale using a screwdriver
EM-3
EMF-3...
EM-4
EMF-4...
EM-30
EM-40
5.3 Self-monitoring on the STB and STW (STB)
5.4 Use of the STW (STB) as STB
°C
(1)
(2)
(3)
(4)
°C
(1)
(2)
(3)
H
The limit setting is fixed at the factory and sealed.
It must subsequently not be adjusted.
H
If the measuring system fails, i.e. if the expansion liquid has leaked, then the
pressure under the diaphragm drops and the circuit is permanently open. It is
no longer possible to reset the system.
When the temperature at the probe falls below approx. -20 °C, the circuit is also
opened, but will close again automatically when the temperature rises above
-10 °C.
V
The lock-out facility to DIN EN 14597 must be ensured by the subsequent
circuit. This circuit must comply with VDE 0116.