Size = A5
-18-
EN
12. Never dispose of batteries in an open fire or together with hazardous and/or flammable
substances.
Warning! Batteries may not be exposed to excessive heat such as direct sunlight, fire or the like.
Caution
Severe or fatal risk of injury
Risk of electric shock
Risk of dangerous voltage
Maintenance
Important maintenance components
Label on the device
The follow symbols are used on the device as labels for restrictions and safety precautions as well as
safety instructions. Each label should be followed only if it is present on the device. Please heed this
information for reasons of safety.
Protection class II device: This device was designed to not require a protective
conductor (electrical grounding) for connection to the power supply.
Protection class II device with functional protective conductor: This device was
designed to not require a protective conductor (electrical grounding) for connection
to the power supply. The protective conductor serves functional purposes.
Protective conductor (grounding): The marked terminal is intended for connection
to the protective conductor (grounding) connected to the power supply line.
Potentially fatal terminal:
The marked terminal(s) is/are potentially fatal in normal operation mode.
Caution! Please follow the instruction manual: The marked area(s) contain(s) coin-
cell batteries that must be replaced by the user
QG_PTV55_65U0IS_190416_V01_HR.indb 18
17/4/2019 16:16