ef cooling Ernst H. Furrer AG Operating manual
2-8 Chapter page Issue: 07 / 2015 Cooling unit EVO 45, 0390.013
Note
These notes warn of risks where proper functioning or specified performance
parameters cannot be achieved if not heeded.
2.5 Authorisation of personnel
The work described in this operating manual must only be carried out by specifically authorised
personnel.
Only persons who fulfil the requirements under the "Personnel Qualification" entry of the
individual main chapter are authorised.
2.6 Personal protection
The refrigerant in the refrigerant circuit is pressurised.
Protective goggles and safety gloves must be worn when working on the refrigerant
circuit.
Escaping refrigerant can lead to serious injury of the eyes and skin as well as
respiratory distress (displacement of oxygen in the air).
• Prior to commissioning of the cooling unit, always check that all safety devices are fitted
correctly and that all protective covers are closed.
• Before any service work, the cooling unit must be switched off and secured against being
switched back on without authorisation. All sources of energy such as:
– Electricity must be disconnected.
– Refrigerant: Before working on the refrigerant circuit, the refrigerant must be properly
removed and the circuit depressurised.
– Water: The water must be drained before working on the water circuit.
2.7 Hazard areas
No hazard areas are specified in and around the cooling unit.
Note
A loss of power or switching off the main switch when there is a danger of frost and with the
unit filled with water can lead to damage of the unit.
2.8 Personal protective equipment
The following personal protective equipment must be worn when working on the refrigerant
circuit of the cooling unit:
• Protective goggles
• Safety gloves
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