Immergas 3.021525 Instruction And Warning Book page 18

2.8 RESET SAFETY DEVICE.
Attention: The electric heating system is equipped with 1 safety
device (Fig. 7). It cuts off electrical supply to the heating resistances
as soon as an operating anomaly is detected.
2.9 MAIN COMPONENTS.
Key:
1 - Water inlet/outlet 1»1/2 male gas (40x49) flat joint connection
2 - Mains power supply
3 - Bleed
4 - Backup heater operating switch
5 - Drain Ø1/2» male gas (15x21)
6 - Relay for connection (AUDAX heat pump only)
7 - Terminal board
8 - Safety thermostat
9 - Relay
10 - Relay
11 - Resistance
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