8
Electrical pre-heater AIR1-EVH RH
Installation and Operating Instructions
4 .0 Reset function
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Danger to life!
The unit must be fully isolated from the mains power supply before all maintenance and installation work and
opening the terminal compartment!
Danger of electric shock, moving parts (fan) and hot surfaces .
Carry out maintenance after a waiting period of 3 minutes!
The manual reset switch is located directly on the electrical pre-heater.
Electrical pre-heater
1. Loosen the screws and remove the electrical heater to access the reset switch.
2. Press the reset switch up for a manual reset (Fig. 12).
Manual reset:
The manual reset temperature is 90 °C. When a temperature of 90 °C is reached, the safety temperature
limiter will be triggered and the pre-heater will be disconnected from the mains power supply.
If the manual reset is triggered, there is most likely a problem with the heater.
Automatic reset:
The automatic reset temperature is 70 °C. When a temperature of 70 °C is reached, the safety tem-
perature limiter will be triggered and the pre-heater will be disconnected from the mains power supply. If the tempera-
ture falls below 70 °C, the electrical heater will automatically reactivate.
Fig .11
CHAPTER 4
RESET FUNCTION
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WARNING
Fig .12
EN
