InRoom CW/DX – Operating Instructions6
1.3 Safety instructions
General
These operating instructions contain basic information which is to be complied with for installation, opera-
tion and maintenance. The plumber and the responsible trained staff/operators must read and comply with
these instructions before assembly and commissioning. The instructions must be permanently available at
the place where the system is used.
R407C refrigerants are used in all units. R407C is a gaseous fl uorinated hydrocarbon which is liquefi ed
under pressure. It is incombustible and not hazardous to health when used as intended.
Danger:
- All work must be done only by APC authorized personnel.
- To avoid injury, follow all instructions.
- The unit is heavy. At least two people are required to safely move the equipment.
- The unit must be secured when placed in its fi nal location.
- Do not bypass any safety devices.
- Electrical connections must be made in compliance with all local and national regulati-
ons.
- Disconnect all power sources before servicing the unit.
Warning:
- Observe the national regulations of the country where the unit will be installed.
- The refrigerant circuit contains refrigerant and refrigerating plant oil. Observe profes-
sional disposal for maintenance and when setting the unit out of service.
- Cooling water additives have an acidic effect on skin and eyes. Wear safety glasses and
safety gloves.
- Observe personal protective equipment regulations when working on the refrigerant
circuit.
- The unit may only be used to cool air according to the specifi cation in the technical data
chapter, beginning on page 24.
Note:
- Respect material compatibility in the whole hydraulic circuit.
- The male triangular wrench is to be placed in a visible location in the immediate vicinity
of the unit.
1.4 Handling refrigerants
According to EN 378, refrigerants are divided in groups in respect of health and safety: R407C belongs to
Group L1.
- Refrigerants must be handled in compliance with all local and national laws.
- Only trained and certifi ed staff may handle the refrigerants.
- The customer is responsible for the correct disposal of refrigerants and refrigeration parts.
- Refrigerants can cause oxygen deprivation when inhaled in large quantities. Use only in a well ventilated
area.
- Evacuate and ventilate the room in the event of a large refrigerant discharge.
- Use the proper personal protective equipment if work must be performed where exposure to the refrige-
rants is expected.
- Do not eat, drink or smoke when working with refrigerants.
- Refrigerants must only be used for their intended purpose.
- Follow the proper fi rst aid guidelines immediately if you are exposed to the refrigerants.
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