Safety Information - KORADO KORAFLEX - Optimal FKO Instructions D'installation

SAFETY INFORMATION

• Trench heater operating voltage = 24 V DC.
• Fan operating voltage = 24 V DC; control voltage 0–10 V DC.
• IP rating: IP 20.
• Electrical installation design must be carried out by suitably qualified person in accordance with the relevant standards.
• Trench heater installation must be carried out by persons with the relevant technical qualification.
• Prior to commisioning the electrical components must he thoroughly inspected in accordance with relevant standards of the respective country.
The user is obliged to provide regular inspections of all electrical components in the periods given by relevant standards of the respective
country.
• ALL WORKS ON THE ELECTRICAL EQUIPMENT WITHIN THE MEANING OF STANDARDS OF THE RESPECTIVE COUNTRY MUST BE
CARRIED OUT BY RELEVANTLY QUALIFIED PERSONS DULLY ACQUINTED WITH THE RESPECTIVE EQUIPMENT.
• Where the thermoelectric head is powered by 230 V AC mains electricity (for FKO, FKB only), the respective electric branch must be equipped
with a residual current device with a tripping current of 30 mA and the trench heater must be grounded.
• Trench heaters must be disconnected from power supply before commisioning and before all maintanance works.
• Disconnect all trench heaters out of operation for a longer time (eg. in summer) from power supply.
• Trench heater is designed to be used in dry environment and for heating only.
• Producer will not be held responsible for any defects, caused by installation of these trench heaters in a humid environment.
• Electrical wiring must be carried out according to the trench heater electrical diagram.
• Fix the input power cord.
ALTERATIONS OF THE PRODUCT
• No changes and technical alterations of the products are allowed without prior consultation and approval of the producer. Unauthorized
alteration can have a negative impact on function and safety of the product.
• When handling the product, avoid any steps not given by the Installation instructions provided.
• Do not add any 230 V AC power supply into the trench heater.
CONNECTION TO HEATING SYSTEM
• Connection ½ G".
• We recommend to connect the trench heater to the heating system using the lockshield and thermostatic valve.
• Bleed the system and check it for leakages.
• Carry out the leak test.
• Protect the system from freezing.
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