Protective zone 4
0020297937_01 aroTHERM plus Operating instructions
103
3.7
Warning sticker
Safety-relevant stickers are affixed to several points on the
product. The warning stickers include rules of conduct for the
R290 refrigerant. The warning stickers must not be removed.
Symbol
Meaning
R290
Warning against flammable materials in
conjunction with R290 refrigerant.
Fire, naked flames and smoke are prohib-
ited.
Read the service information and technical
instructions.
4
Protective zone
4.1
Protective zone
The product contains R290 refrigerant. In the event of a leak,
escaping refrigerant may collect near the ground. The refri-
gerant must not get into building openings, grooves or into
the waste-water system. The refrigerant must not collect in
any way that may lead to a dangerous, explosive, suffocating
or toxic atmosphere.
A protective zone is defined for the area close around the
product. There must be no windows, doors, ventilation open-
ings, light shafts, cellar entrances, escape hatches, flat-roof
windows or downpipes in the protective zone. The protective
zone must not extend to adjacent buildings or public traffic
areas.
There must be no ignition sources, such as plug sockets,
light shafts, lamps or electrical switches in the protective
zone.
In the area close around the product, You are not permitted
to make any subsequent structural alterations which infringe
the stated rules for the protective zone.
4.1.1
Protective zone, for ground installation, in
front of a building wall
C
D
A
B
A
2100 mm
B
3100 mm
C
200 mm/250 mm
D
1000 mm
4.1.2
Protective zone, for ground installation on
the premises, and for flat-roof installation
A
A
1000 mm
