Safety And Liability Safety Zone - Viessmann VITOCAL 150-A Operating Instructions For The System User

Safety zone
Your outdoor unit contains easily flammable refrigerant
in safety group A3 according to ISO 817 and ANSI/
ASHRAE Standard 34.
Therefore a safety zone is defined in the immediate
vicinity of the outdoor unit, in which special require-
ments apply.
Note
The requirements for the safety zone must be com-
plied with completely.
The following conditions must not be present or occur
within the safety zone:
Building openings, e.g. windows, doors, light wells,
■
flat roof windows, etc.
■ Outdoor air and exhaust air apertures from ventila-
tion and air conditioning systems
■ Property boundaries, neighbouring properties, foot-
paths and driveways
Pump shafts, inlets to waste water systems, down-
■
pipes and waste water shafts, etc.
■ Other slopes, troughs, depressions, shafts
■ Electrical house supply connections
■ Electrical systems, sockets, lamps, light switches
Snowfall from roofs
■
Do not introduce ignition sources into the safety zone:
■ Naked flames or burner gauze assemblies
■ Grills
Tools that generate sparks
■
Electrical devices not free of ignition sources, mobile
■
devices with integrated batteries (e.g. mobile
phones, fitness watches, etc.)
■ Objects with temperatures above 360 °C
Note
The particular safety zone is dependent on the sur-
roundings of the outdoor unit.
■ The safety zones below are shown with floorstanding
installation. These safety zones also apply to other
types of installation.
In the case of wall installation, the requirements lis-
■
ted above also apply to the area below the outdoor
unit, down to the ground.
Freestanding positioning of the outdoor unit
A
Fig. 1
Safety zone
A
Siting the outdoor unit in front of an external wall
Fig. 2
Safety zone
A
Corner positioning of the outdoor unit, right
Fig. 3
Safety zone
A
Safety and liability
2144
A
3144
3144
A
2394
A
2894
1000
750
A
9