ESA ESTRO - E7014P rev. 02 - 03/05/17
www.esapyronics.com
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ESA ESTRO-A CONNECTIONS
Pos. Description
e Digital input
f UV-2 probe flame detection
g Flame detection with dedicated electrode
h Unirod flame detection
Pos. Description
a ECS serial communication
b Power supply
c Safety stop
d Digital output
Pos. Description
6 Air solenoid valve neutral
7 Ignition transformer phase
8 Ignition transformer neutral
9
Detection electrode, signal from transformer
(unirod) or UV probe negative
10
PE ground protection, burner body
and UV probe positive
+ ECS communication positive input
- ECS communication negative input
Pos. Description
L Power supply phase
N Power supply neutral
1 Digital output (phase)
2 Digital input (phase)
3 1st gas stage solenoid valve phase
4 1st gas stage solenoid valve neutral
5 Air solenoid valve phase
Terminal connectors
D7014PI16