7
■
From a safe position, switch off the
electricity supply for all system compo-
nents.
■
Remove ignition sources from the dan-
ger zone.
■
Let the system user know that no igni-
tion source may be brought into the
danger zone for the duration of the
repair.
■
Repair work must be carried out by an
authorised contractor.
■
Do not restart the system until repairs
and a leak test have been carried out.
Perform a leak test for both the refrig-
erant circuit and the connections on
the heating water side.
Danger
Direct contact with liquid and gas-
eous refrigerant can cause serious
damage to health, e.g. frostbite
and/or burns.
Prevent direct contact with liquid
and gaseous refrigerant.
Danger
Breathing in refrigerant may cause
suffocation.
Never breathe in refrigerant
vapours.
If water escapes from the appliance
Danger
If water escapes from the appliance
there is a risk of electric shock.
Switch off the heating system at the
external isolator (e.g. fuse box,
domestic distribution board).
Danger
If water escapes from the appli-
ance, there is a risk of scalding.
Never touch hot heating water.
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.
Please note the following:
■
Do not use mechanical items/aids for
the removal of ice.
■
Before using electrical heating applian-
ces, check the refrigerant circuit for
leaks with a suitable measuring device.
–
The heating appliance should not be
a source of ignition.
–
The heating appliance must meet the
requirements of EN 60335-2-30.
■
If ice regularly builds up on the outdoor
unit (e.g. in areas where frost and
heavy fog occur frequently), install fan
ring heating (accessories) that is suita-
ble for refrigerant R290 and/or an elec-
tric ribbon heater in the condensate
pan (accessories or factory-fitted).
Safety instructions for storage of the outdoor unit
The outdoor unit is charged at the fac-
tory with refrigerant R290 (propane).
Safety instructions
Safety instructions (cont.)
6222080
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