SABROE HPC 100 Mk 4 LL, Руководство по эксплуатации, Страница: 19 / 50

Operating manual - HPC Mk 4 LL & Mk 5 (including ATEX)
001752 en 2023.05
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Safety
2.4.2 Emergency stop
Fig. 12: Emergency stop button on the reciprocating compressor unit with UniSAB control system
The compressor control system must be equipped with an emergency device.
If the compressor is delivered with a UniSAB control system, the emergency device is inte-
grated in the control system.
The emergency device must be made in such a way that it remains in its stopped position after
a stop command and until it is deliberately set back. The emergency device must not be able
to block without releasing a stop command.
It should only be possible to set back the emergency stop by a deliberate act, and this must
not start the compressor. It should only make it possible to restart it.
Additional requirements for the emergency device
• It must be operated by means of an easily recognisable and visible manual handle with
easy access.
• It must be able to stop any dangerous situation as quickly as possible without this caus-
ing any additional danger.
2.4.3 Safety during maintenance and service
• Personnel must be qualified according to national safety rules and regulations and per-
form the maintenance work according to EN 378.
• Read chapter 2. Safety in this manual before opening the compressor and other parts
of the refrigeration plant.
• It is recommended to remove all main fuses. Switch off all electric components on the
compressor/unit before starting the dismantling/servicing process, and lock the main
switch.
• Make sure that the motor cannot start up inadvertently.
• Make sure that there is no over-pressure and no refrigerant in the part to be dismantled.
Close all necessary stop valves.
• Use the prescribed tools, and check that they are properly maintained and in good
working condition. In explosion-proof areas, use tools suited for this specific purpose.
• Use only Johnson Controls Denmark original spare parts; other parts may impair the
safety of the compressor/unit.
• When performing maintenance, the main switch must be locked.
Emergency
stop button