Viessmann VITOCAL 150-A Operating Instructions For The System User page 2

Safety instructions
For your safety
Please follow these safety instruc-
tions closely to prevent accidents
and material losses.
Safety instructions explained
Danger
This symbol warns against the risk
of injury.
!
Please note
This symbol warns against the risk
of material losses and environmen-
tal pollution.
Target group
These operating instructions are inten-
ded for system users.
This appliance can also be operated by
children aged 8 and older, as well as by
individuals with reduced physical, sen-
sory or mental faculties or those lacking
in experience and knowledge, provided
such individuals are supervised or have
been instructed in the safe use of this
appliance as well as in any risks arising
from it.
Safety instructions for working on the system
The outdoor unit contains flammable
refrigerant R290 (propane C3H8). If
there is a leak, the escaping refrigerant
may form a flammable or explosive
atmosphere in the ambient air. A safety
zone is defined in the immediate vicinity
of the outdoor unit, in which special
rules apply.
Illustration of the safety zone: See chap-
ter "Safety zone".
2
Note
Details identified by the word "Note"
contain additional information.
The outdoor unit contains easily flamma-
ble refrigerant in safety group A3
according to ISO 817 and ANSI/
ASHRAE Standard 34.
!
Please note
Supervise children in the proximity
of the appliance.
Never permit children to play with
■
the appliance.
Cleaning and user maintenance
■
must never be carried out by
unsupervised children.
Standing and working in the safety
zone
Danger
Risk of explosion: Escaping refrig-
erant may form a flammable or
explosive atmosphere in the ambi-
ent air.
Take the following measures to pre-
vent fire and explosion in the safety
zone: