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2 Name of each part
1
5
2
6
3
7
9
4
8
10
Protective devices
This refrigeration unit is provided with the following protective devices to ensure
the safety of the operators.
(a) Main switch
If sub-engine starts during the work such as inspection, it may cause an
accident. In such a case, set this switch to "OFF" so that the safety is
secured.
(b) Buzzer before start
Buzzer sounds 5 seconds before the sub-engine or the motor starts to
announce the start of operation to the surrounding people.
(c) Cover
The cover prevents operators from contacting with the rotating part during
operation.
(d) Detector for opening of cover 1
Opening of the cover 1 for the work such as inspection is detected to
prevent sub-engine from starting. (
Refer to page 59.)
(e) Cover key
Locks are provided to the cover 1 and 5 in order to prevent unintended sub-
engine start or setting change. (
Refer to pages 59 and 60.)
People who handle this refrigeration unit are requested to understand the
functions of these protective devices completely to use it safely. Do not
deactivate these protective devices or do not operate the refrigeration unit in the
situation that the devices are inactivated. It is most important for safety ensuring
to keep functions of the protective devices in normal status continuously.
