Hitachi YUTAKI M R32 Series - Page 72

72
PMML0600 rev.0 - 06/2022
6
OPTIONAL UNIT WIRING FOR ACCESSORIES
ELECTRICAL AND CONTROL SETTINGS
◆ Earth
EarthEarth
HWD-WE-220S(-K)
RASM-(2-7)(V)R(W)(1)E
HWM-WE
HWD-WE-220S(-K)
12
5
◆ 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 (Not available for HWD-WE-220S(-K).
6
5
TDHWT
DHWT
RASM-(2-7)(V)R(W)(1)E
HWM-WE
◆ Water outlet thermistor for circuit 2 (TWO2)
When the installation is congured with a second circuit the thermistor for the water outlet
temperature have to be connected between terminals 6 and 7 of the terminal board 2.
7
6
T
wo2
Circuit 2