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2. SAFETY
Installation
• The appliance may only be installed by an authorized contractor.
• Do not install the appliance in the following locations:
– Outside
– o in locations which promote corrosion
– o in locations with a risk of frost
– o in locations where there is a risk of explosion .
Check if a maximum temperature is specified by local, state or federal
regulations is required . If so, a tempering valve shall be installed at
the DHW outlet!
Wait until the appliance is at the installation location to remove it
from its packaging!
• All water connections must be checked for tightness before the
appliance is connected to the power .
• Observe minimum clearances
• The electrical connection must comply with the local applicable
regulations .
• Connect the appliance to an independent, earthed power source.
• Install a safety valve at the appliance’s cold water inlet.
• The drain line from the safety valve must be laid in a frost-free loca-
tion . It must remain open to the atmosphere and always be kept in
a sloped position .
• Minimum and maximum water temperatures: 3°C / 80°C
• Minimum/maximum water pressure: 0.2 bar / 2 bar below the value
of the installed safety valve
Risk of scalding at the hot water draw-off points
• When the appliance is in operation, temperatures in excess of 70
°C can occur. To limit the temperature at the tap, install a thermal
DHW tempering valve .
Service
• The end customer is responsible for safety and environmental
compatibility during installation and service work .
• The appliance may only be serviced by an authorized contractor.
• Isolate the appliance from the power supply before performing any
service work .
Service and maintenance
• Maintenance may only be carried out by an authorized contrac-
tor . Faulty maintenance may pose a danger to the user and cause
malfunctions in the appliance .
• Use only original spare parts.
• Have an authorized contractor perform an annual inspection and
service the appliance as needed .
• Any work involving cooling gas may only be carried out by quali-
fied contractors.
• Empty cylinders.
• We recommend that you arrange a maintenance and inspection
contract with the manufacturer .
Room/inlet air
Keep the inlet air free of contaminants . It must not contain any of the
following substances:
• corrosive substances (ammonia, sulphur, halogen products, chlo-
rine, solvents)
• fatty or explosive substances
• aerosol concentrations
No other air inlet systems may be connected to the fan .
Refrigerant
• Please observe the applicable environmental regulations when us-
ing and reusing refrigerant . Do not release it into the environment!
Use the refrigerant R134a. It is nonflammable and does not dam-
age the ozone layer .
• Before working on parts of the refrigerant circuit, remove the refrig-
erant for safety reasons .
Please note that HFC-134a and PAG-ÖL are used during service work .
This is a chlorofluorocarbon and is rated with a greenhouse potential
of 1300 in the Kyoto Protocol .
Instructions to the customer
• Explain to the customer how the appliance works and how to op-
erate it .
• Advise the customer that he/she must not make any modifications
to the appliance or carry out any repairs on it .
Safety of electrical appliances for domestic use and similar purposes
The following requirements apply in accordance with EN 60335-1 in
order to prevent hazards from occurring when using electrical appli-
ances: “This appliance may be operated by children aged 8 or over
and by people with full physical, sensory and mental capabilities who
have the necessary training and experience to use this type of appli-
ance . They must be supervised or instructed on how to use the appli-
ance safely and on the associated risks . Children must not play with
the appliance . Children must not clean or service the appliance without
supervision .” “Damaged power cables must be replaced by the manu-
facturer, the service department or a qualified contractor in order to
prevent hazards .”
