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EVO
2X1
Use the copper probe-holder for the water probe (white cable)
and, depending on the case, set it up as described below.
For two-pipe units without valve, the water probe must
be installed on the exchanger using the supplied strap
(figure 13);
For four-pipe units without valves, the water probe
must be installed on the exchanger in the heating circuit
(figure 14);
For two-pipe units with valve the water probe must be
positioned on the valve entrance, on the branch coming
from the system (figure 15);
For four-pipe units with valves, the water probe must be
installed on the heating valve entrance, on the branch
coming from the circuit (figure 16).
UTN
Example, valves installed on the left side:
Water probe for
4-pipe system
AIR
For UTN units without valves, for 2-pipe systems, the
water probe must be positioned on the pipe at the
entrance of the exchanger.
For UTN units without valves, for 4-pipe systems, the
water probe must be positioned on the pipe at the
entrance of the exchanger in the heating circuit.
FC66003554
Rev 01
Controller for units
AIR
Water probe for
2-pipe system
USER MANUAL
IT IS strictly forbidden to reproduce this manual, even partially
PWN
Example, valves installed on the left side:
For PWN units without valves, for 2-pipe systems,
the water probe must be positioned on the pipe at the
entrance of the exchanger.
For PWN units without valves, for 4-pipe systems,
the water probe must be positioned on the pipe at the
entrance of the exchanger in the heating circuit.
System pipe
supplied by the customer
GB
22
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