1083 / 1086 Schüttelwasserbad
Shaking Water Bath
11
8. Cooling Coil (only Shaking Water Bath 1086)
The standard cooling coil, suitable for connection to water taps or usual external cooling
appliances, extends the unit's temperature range (lowest possible operation temperature:
+10°C). The cooling coil connection is situated at the back of the unit. Hoses of an internal
diameter of approx. 6 mm can be pushed onto the cooling coil connection tube – hoses
must be secured with hose clamps.
9. Error Display
9.1. The temperature regulator disposes of electronic monitoring with error screening and
concurrent over-temperature cut-out.
The Temperature Sensor of the regulator is constantly being screened for short circuits. In
case of fault, display will show: "E1L" for a short circuit in the Temperature Sensor or
"E1H" for interruptions. The microprocessor controlled temperature regulator will switch off
the heating circuit.
After elimination of error, unit can be restarted.
The unit also disposes of an electronic over-temperature cut-out for the protection of test
substances, dependent on the set temperature. This device will switch off heating when the
set temperature is exceeded by 4°C. The electronic monitoring will induce the information
"E2H" to be shown on the display.
To restart heating, the unit must be switched off and then on again at the main switch.
Should the information "E2H" remain, error must be attended by a competent electrician.
9.2. The Shaking Water Bath's heating element is protected against destruction by running
dry by a low water cut-off (thermostatical over-temperature cut-out). In case of water
shortage, power is cut. A nearly unvarying, realistic actual temperature is shown on the
display of the temperatur regulator, and the pilot lamps on the right side of the display and in
the main switch will glow. Before restarting the unit, please fill bath with water - as described
in article 4 - and unlock low water cut-off. The unlocking device is situated at the back of the
unit, below a black cap nut. Within the screwing, you will see a white plastic pin, which has to
be gently pressed (eg with a pen) until a clicking sound can be heard.
10. Shaking Device
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