3
Activation type clean contact 250V~, 1A
Type of conductor 1 single wire or 1 multi-wire cable conductor MAX. 1.5mm
2
insulation min. 250V~.
Length of the conductor max 100 m between “L” and “IN”
4.2 External temperature probe
Depending on how it is configured, the external temperature probe can be used to accomplish several
functions (see 7.6); it does NOT have polarity so you can connect the 2 wires in the 2 terminals without
any particular order.
It is recommended to use the NTC 10k beta 3900 probe (art. 02965) that provides double insulation.
The typical wiring diagram is the following:
art. 02965
N
T
C
Fig. 2: Connecting the external temperature probe
CAUTION: Cut off power to the system before connecting the probe to the thermostat.
4.2.1 Installation examples:
02695 used to display the outside temperature
02695 used for adjustment (of a remote environment)
Probe for
external
temperature
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