14
Operating Instructions TNI
®
20s oxy Version 2.7
Version 1.6.3 July 2010
3.3 Symbols on the unit
Symbols with user information can be found on the relevant
components and on the rating plates, which are located on the
bottom of the blower and humidifier units. The applicator’s rating
plate can be found on the packaging.
3 Safety
Symbol
For the proper use and functioning of the unit, the
connection unit (CU) and the humidifier unit (HU)
must be linked at the connecting points with this
symbol.
USB connector to the PC. It may only be used by
trained personnel or a service technician.
Degree of protection for operating parts: BF
The user does not have access to the mains to the
extent that the safety requirements involving the
leakage current are complied with.
IP 20
Protected from solid foreign objects 12.5 mm and
larger. Not protected from water penetration.
Main connection for the ground wire.
Standby button for the standby mode. Return to the
operating mode by pressing this button again
O
Master switch – OFF. The unit is disconnected from
the power supply.
Key
Display of the air flow or flow of air-oxygen mix.