7.4.2.5 Input terminals (Default input functions)
PC-ARFH1E connection
In those cases where the unit controller is ordered as a required accessory (YUTAKI S80 or YUTAKI M), or those cases where
another PC-ARFH1E must be connected as a second thermostat, the connections between PC-ARFH1E and the indoor unit must
be done in terminals 3 and 4, as it is shown in the next picture:
3 4
A B
RCS H-LINK
(PC-ARFH1E)
OK
4-20mA Setting Temperature (YUTAKI M (R410A))
Not available.
4-20mA
Setting temperature
11 12
Earth (YUTAKI M (R32))
Earth
12
DHWT Thermistor (TDHWT)
For those cases in which a tank is installed as accessory, a thermistor must be installed to control the water temperature. The
connection for this thermistor must be done between terminals 5 and 6 of the TB2.
6
5
T
DHWT
DHWT
ELECTRICAL AND CONTROL SETTINGS
PMML0575 rev.2 - 03/2022
104
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