Heating coil, cooling coil, and electric heater
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Electric heater
WARNING
Fire hazard due to incorrect positioning of the triple thermostat
There is a danger to life from fire if the triple thermostat is positioned incorrectly.
• Install the triple thermostat according to the instructions.
• Check the functions of the triple thermostat according to the instructions.
NOTE
Damage due to thermal radiation from the electric heater
Damage to the downstream component and parts (duct, nozzles ...) due to thermal
radiation from the electric heater if the electric heater is at the end of the AHU.
• The components and parts installed downstream must be heat-resistant up to
145 °C or protected by radiation protection.
• A distance of 300 mm must be maintained between the device outlet and the
first component or part installed in the duct.
Triple thermostat with safety temperature limiter
Each electric heater must be equipped with a type-tested triple thermostat with safety temperature
limiter with manual reset.
Recommendation:
Place triple thermostat in the air direction immediately after the electric heater.
Minimum distances to components
For non-heat-resistant components, the minimum distance is 612 mm. A minimum distance of 300
mm applies to heat-resistant components. To avoid burns and damage, the connections to the duct
system must be heat-resistant.
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