Operating manual ef cooling Ernst H. Furrer AG
Cooling unit EVO 45, 0390.013 Issue: 07 / 2015 Chapter-Page 2-9
2.9 Handling of pressure vessels
Note
All work on the refrigerant circuit must be carried out by trained refrigeration
specialists. Comply with the local laws and regulations.
The refrigerant circuit and its components are pressurised. The associated pressure vessel
ordinances must be adhered to in this area.
2.10 Medium quality
The operating medium to be used is defined in Chap. 13.1 Technical data.
Only fill in a mixture of 33 % propylenglycol / 67 % clean water.
2.11 Safety notices on the product
Safety notices on the product must always be kept in a legible condition. Fallen or missing
safety notices must be replaced or reinstalled immediately in accordance with the following
description.
Fig. 2.1 Warning of electrical voltage
2.12 Protective devices
Before each commissioning, make sure that all protective devices are fitted correctly and their
protective function is in full working order.
2.12.1 Main switch
When the main switch is switched off the cooling unit is de-energized. The main switch is built
into the control cabinet door.
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