Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 118

ELECTRICAL AND CONTROL SETTINGS
7.4.2.5 Input terminals (Default input functions)
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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:
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4-20mA Setting Temperature (YUTAKI M (R410A))
Not available.
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Earth (YUTAKI M (R32))
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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.
104 PMML0575 rev.2 - 03/2022
3 4
A B
OK
RCS H-LINK
(PC-ARFH1E)
11 12
4-20mA
Setting temperature
12
Earth
6
5
T
DHWT
DHWT