All mentioned measures and safety instructions must be strictly complied with.
The outdoor unit and connected equipment does contain refrigerant R410a.
Safety instructions
General Information, Risks in Non-Compliance with the Safety Instructions
The instructions contain basic notes to be followed during installation and operation. It therefore must
be read by the installation staff and personnel in charge before installation and initial operation. Wrong
and improper installation can result in fatal accidents or damage to the system! No liability is born if via
the circuit board contacts other devices/components are activated as additional circuit boards! Non-
compliance with the safety instructions poses a risk to the personnel, environment and this system.
Failure to comply with the safety instructions will result in the loss of any claims.
Working with refrigerant
When working with refrigerant the following conditions must be complied:
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Inhaling big amounts of refrigerant will have a anesthetic effect;
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Refrigerant in gas form is heavier the air and can collect at lower levels. This can create
choking hazard;
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Always works with glasses and handgloves during handling refrigerant;
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Do not eat, drink and smoke when handling refrigerant;
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Refrigerant can cause injury when contacting human skin;
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Refrigerant must be handled in ventilated areas only;
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In case of accidents first help must be warned.
Qualified Personnel, Training and Safety-Oriented Working
The personnel in charge with the installation and operation must be properly qualified for these works.
Defects due to improper installation can cause electric power accidents or fires! The safety
instructions mentioned in the installation guidelines, the applicable national laws regarding accident
prevention and internal work, operational and safety instructions must be noted and strictly followed
without exception.
Safety Instructions on Maintenance, Inspection and Installation Works
The operator must ensure that all maintenance, inspection and installation works are carried out by
authorised and qualified expert personnel that have been thoroughly informed by studying the
installation guidelines. Any works on the system must be performed in idle state. The instructions
described in the operating manual on idling the system must be absolutely complied with.
The machine/system must be made currentless for any works and secured with a warning sign against
unintentional switching on. The machine and/or system must be checked if it is free from current.
Before taking it back into operation the measures outlined under "Assembly/Operation" must be noted
and followed. Any electric works must be carried out by qualified expert personnel complying with all
safety regulations on electric equipment, applicable local regulations and installation guidelines. Only
divided circuits may be used. Improper electric connections can cause serious accidents and fires.
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