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5.7 Electrical connections accessories
A,B, C
(A)
X
230 V
50 Hz
D
A
0 0 0 0 0
0 0 0
(A) SELV
Pressurisation Unit type NFE 1...(3) - MVE 2 Feeds the machine with water.
Make sure the water pressure is 1.2 bar above the installation working
pressure. The level sensor and the make-up time control the unit.
B
Degassing / ENA 5/10 For pressure step de-aeration of the installation. Can be
combined with a pressurisation unit.
C
Flamco-Fill PE pressurisation unit Feeds the installation with water through an
atmospheric breaktank and a pump. The level sensor and the make-up time
control the unit.
D
Easy contact 3.0 Used for the remote signalling of errors: min/max water level,
min/max operating pressure, motor protection, diaphragm rupture. For each
error message, a red LED and a relay with a volt-free opener/closer is active.
