5 - ELECTRICAL CONNECTIONS
M1 = motor
4 pipes
HID-E3 thermostat - 4 pipe system
water thermo-
stat probe
Ycool Water solenoid valve(cooling) Yheat Water solenoid valve(heating)
S1 = Grill safety
micro-switch
Deck electric
Cased
version
Built-in
version
Water probe
Not connected
The LED (A) is off if input EV (thermostat control) is not closed (stand-by condition).
It is switched on upon closure of contact EV (thermostat control) and signals standard operation.
ALARMS
It flashes frequently if the S1 grille safety micro-switch is activated due to filter cleaning operations.
It emits a single flash + pause for fan stop alarm due to unsuitable water (with H2 water probe connected).
2 flashes + pause for motor alarm (for example, jamming due to foreign bodies, fault in the rotation sensor).
3 flashes + pause for water probe alarm disconnected or faulty.
LED meaning / alarms
M09160D17-02 72
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