Stulz EC Tower ECD 91 - 2.2 Handling refrigerants; 2.3 Duties of the operator

8 EN/01.2019/G22 © STULZ GmbH – all rights reserved
EC TOWER TECHNICAL MANUAL
• Have the work performed only by expert personnel.
• Comply with accident prevention regulations.
• When lifting and lowering, remain outside the danger zone, not under the load.
• Secure to prevent parts falling over.
• Do not disable safety equipment.
• For electrical connections, comply with the relevant VDE, EN and IEC standards and connection require-
ments of the electricity supply companies.
• Switch off the power supply to the unit when working on it.
• After installation and maintenance work: check the fan for loose parts and tools before switching on the air
conditioning unit.
• Remove loose parts and tools from the fan before switching on the air conditioning unit.
• Wear personal protective equipment when working on the refrigerant circuit.
2.2 Handling refrigerants
• Get qualied refrigeration technicians to carry out the work.
• Safety glasses and safety gloves are to be worn.
• Liquid refrigerant must not get onto the skin (risk of burns).
• Only use in well ventilated areas.
• Do not inhale refrigerant vapours.
• Refrigerants have a narcotic effect when inhaled in high concentrations.
• The room is to be evacuated immediately if high concentrations of refrigerant suddenly occur.
• If unavoidable work is required in the presence of a high concentration of refrigerant, breathing
apparatus must be worn. This does not mean simple filter masks. Comply with breathing protection
data sheet.
• Do not eat, drink or smoke at work.
• Warning against intentional misuse.
• It is absolutely essential to comply with the rst aid measures if accidents occur.
• Refrigerants containing FCs contribute to the global warming and with this to climate changes. The
FCs must therefore be disposed of in accordance with the regulations, i.e. only by companies spe-
cially qualified and licensed as recognised disposal companies for refrigerants.
• Responsability for correct disposal of refrigerant and system parts is incumbent on the operator.
2.3 Duties of the operator
The following requirements relate to the operation of refrigerating plants within the European Community.
• The used components must correspond to the pressure equipment guide-line 2014/68/EU and EN 378
part 14.
• Independent of the design, the equipment and inspection before the delivery, also the operator of such
plants has duties according to EN 378 and national regulations.
This concerns the installation, the operation and the repeated inspection:
• Installation: according to EN 378
• Operation: Determination of emergency measures (accidents, malfunctions)
Creation of an abbreviated instruction and notification (template page)
a. A unit protocol must be kept.
b. To be stored in the proximity of the unit
c. Access for competent staff in case of repairs and repeated inspection must be ensured.