Technical documentation
Technical documentation
STEME ed 07/03
21
EOLO MINI
Programmer clock switch
(OP)
(optional)
Operates on adjustment board, enabling operation of the boiler during
heating at selected times.
If this is mounted singly, connection is made on terminals 6 and 9 of
connector M3 after removing pre-existing jumper P1.
When fitted together with a room thermostat (TA) it must be connected
to terminals 6 and 7 of connector M3 after removing the pre-existing
jumper P1.
Double-contact
switch
Room thermostat (TA)
(external optional)
By means of the adjustment board, this enables operation of the boiler
during heating when room temperature is below that required.
If fitted singly, connection is made to terminals 6 and 9 of connector M3
after removing the pre-existing jumper P1.
If fitted together with clock (OP) it must be connected to terminals 8 and
9 of connector M3 after removing jumper P1.
Double-contact
switch
LOADS
Modulation coil
(MOD)
This is powered by the modulation board with a variable signal.
Permits changing gas pressure to the burner.
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