Delta Mayor D 1 Gr Manual page 50

A – Main switch; B – Pressure switch; C – Heating element; D –Safety Thermostat; ELV1 – Solenoid
st
valve 1 Group; ELV2 - Solenoid valve 2
sensor; T1 – Keyboard 1
nd
2 group; M – Motor.
nd
Group; ELVL – Solenoid valve (pump); F – Boiler; SN – Level
st
group; T2 – Keyboard 2
Automatic
Picture 5.3.2
nd
group; H1 – Flowmeter 1
50
st
group; H2 – Flowmeter