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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,
- which promote corrosion,
- with a risk of frost,
- where there is a risk of explosion.
Check if a maximum temperature, 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 the electrical 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 location. It must remain open to the atmosphere and
always be kept in a sloped position.
Install a condensation hose.
Minimum / 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 mixing valve (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 contractor. 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 qualified 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, chlorine, 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 using and reusing refrigerant. Do not release it into
the environment! Use the refrigerant R134a. It is nonflammable and does not damage the ozone layer.
Before working on parts of the refrigerant circuit, remove the refrigerant 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 operate it.
Advise the customer that he / she must not make any modifications to the appliance or carry out any repairs on it.
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