ECONCEPT TECH 25 C
13EN
cod. 3540I371 - 06/2008 (Rev. 00)
External probe (optional)
Connect the probe to its respective terminals. The maximum permissible length for the boiler - external probe connec-
tion electrical cable is 50 m. A normal 2-wire cable can be used. The external probe should preferably be installed on
the North, North-West wall or that facing the largest area of living room. The probe must never be exposed to the early
morning sun or, insofar as possible, direct sunlight; protect it if necessary. In any case, the probe must not be installed
near windows, doors, ventilation openings, flues or heat sources that could affect the reading.
fig. 17 - External probe positioning not recommended
Accessing the terminal block
Follow the instructions given in fig. 18 to access the electrical connection terminal block. The layout of the terminals for
the various connections is given in the wiring diagram in fig. 33.
fig. 18 - Accessing the terminal block
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