Heidolph Hei-VAP Value - 9 Maintenance, Cleaning, Service; Maintenance; Resetting the Maximum Temperature Limiter

Maintenance, cleaning, service
Hei-VAP Value, Hei-VAP Advantage 57
EN
9 Maintenance, cleaning, service
9.1 Maintenance
 Only use genuine parts approved by the manufacturer!
The vapor tube and PTFE 26 vacuum seal must be routinely serviced.
1. Remove and clean the vapor tube and the PTFE 26 vacuum seal (see chapter
4.5.2).
2. Check the PTFE 26 vacuum seal for damages and wear, replace if necessary.
9.1.1 Resetting the maximum temperature limiter
In the event that the temperature controller malfunctions and the heating bath tempera-
ture exceeds the maximum temperature of 250 °C, the maximum temperature limiter will
switch off the heating bath.
 The heating bath is cooled and disconnect from power-supply. Power-switch off.
WARNING
Hot surfaces!
Burns.
 Cool the heating bath.
WARNING
Verify that the basic device is only plugged to or unplugged from
the heating bath if the main switch is switched off and/or the main
power supply is disconnected.
1. Remove the heating bath liquid from the heating bath.
Figure 9–1: Maximum temperature limiter
2. Press the maximum temperature limiter (1), possibly with a pointed object.
Maintenance
Maximum tempera-
ture limiter
Maximum tempera-
ture limiter
1