ARENA 30 C
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Fig. 12
Fig. 11
2.9 Positioning the external probe
The external probe is best installed on a wall facing north, north-west or which borders the majority of the
main living area. The probe must never be exposed to the early morning sun, and, in general and where
possible, must not receive direct sunlight; if necessary, it should be shielded.
The probe must not in any case be fitted near windows, doors, ventilation openings, flues, or sources of heat
which may alter the reading.
Note:
The maximum length allowed for the electrical cable connecting the boiler to the external probe is
50 m. A common two-lead cable can also be used.
H
1/2H
1/2H
H
N
N W
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