4
Safety instructions for operating the system
Protect the system against third party
influence, damage and environmental
influences.
What to do if refrigerant escapes
from the outdoor unit
A low pressure fault may indicate escap-
ing refrigerant.
Danger
Escaping refrigerant can lead to fire
and explosions that result in very
serious injuries or death. There is a
risk of asphyxiation if it is breathed
in.
If there is a suspicion of escaping
refrigerant, note the following:
■
Ensure very good ventilation
especially in the floor area of the
outdoor unit.
■
No smoking! Prevent naked
flames and sparks. Never switch
lights or electrical appliances on
or off.
■
Initiate rescue measures for indi-
viduals.
■
Inform the authorised contractor.
■
From a safe position, switch off
the electricity supply for all system
components.
Danger
Direct contact with liquid and gas-
eous refrigerant can cause serious
damage to health, e.g. frostbite
and/or burns. There is a risk of
asphyxiation if it is breathed in.
■
Prevent direct contact with liquid
and gaseous refrigerant.
■
Never breathe in refrigerant
vapours.
■
Initiate rescue measures for indi-
viduals.
If there is a fire
Danger
Fire presents a risk of burns and
explosion.
■
From a safe position, switch off
the electricity supply for all system
components.
■
Notify fire service.
■
Initiate rescue measures for indi-
viduals.
■
Only attempt to extinguish the fire
if this poses no risk of injury. Use
a tested fire extinguisher, class
ABC.
What to do if the outdoor unit ices up
!
Please note
A build-up of ice in the condensate
pan and in the fan area of the out-
door unit can cause damage to the
equipment.
■
In case of ice formation, notify
heating contractor.
■
Do not use mechanical items/aids
for the removal of ice.
■
If ice regularly builds up on the
outdoor unit (e.g. in areas where
frost and heavy fog occur fre-
quently), have a contractor install
fan ring heating (accessories) that
is suitable for refrigerant R290
and/or an electric ribbon heater in
the condensate pan (accessories
or factory-fitted).
Safety instructions
For your safety (cont.)
6171827
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