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3. Installation
• In case of using the drain elbow, attach it as illustrated.
• Do not attach the drain elbow in cold districts where the air temperature falls below zero continuously.
Frozen drain ice may cause obstruction to the fan.
Hose
Drain elbow
3.6 Electrical connections
All electrical connections made on site are solely the responsibility of the installer.
DANGER
Electrical shock may cause serious personal injury or death.
Electrical connections must only be performed by qualified personnel.
DANGER
• All cables and hydraulic components must be installed by a licensed technician and comply with all relevant
European and national standards.
• Ensure the power supply system complies with the national safety standards in force.
• The electrical wiring must be carried out according to the wiring diagram supplied with the unit, and the
instructions provided below.
• Turn off the power supply before making any connections.
• Ensure an effective grounding line is available.
• Be sure to use a dedicated electrical power supply system. Never use a power supply shared by another appliance.
• Check that the voltage and frequency of the electric system are those required.
• Ensure the impedance of the power supply line conforms to the electrical absorption of the unit specified on its
data plate.
• It is necessary to incorporate a main switch in the fixed wiring or other means for disconnection having a contact
separation in all poles, in accordance with relevant local and national legislation.
• Emergency disconnect devices from the mains must allow for disconnection in accordance with the conditions of
overvoltage protection class III.
• Make sure to install a protective earth leakage device (30 mA). Failure to observe this warning may cause electric
shock.
• Make sure to establish a grounding line. Do not ground the unit by connecting it to a service pipe, a voltage
absorber or a phone line grounding block. Incomplete grounding may cause electric shock.
• Do not change the unit by removing safety devices or by-passing safety switches.
ATTENTION
• Properly connect the connecting cable to prevent damage to electrical components.
• Connection to the mains is of Y type, thus replacing the cable should only be done by the technical service in
order to prevent harm.
• For wiring, use specific cables and firmly connect them to terminals.
Attachment of drain elbow
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