Hitachi YUTAKI M RASM-3WF2E Installation And Operation Manual page 46

◆ Solar (Default for input 4)
This input comes from a solar panel sensor. The solar combination by input demand allows HSW
to be heated by solar system when there is enough solar energy available. The connection of this
input signal has to be done between terminals 16 and 18 at TB2.
◆ Smart tariff (Default for input 5)
This function can be used to block or limit the heat pump. It allows an external Smart switch device
to switch off or limit the heat pump during a period of peak electricity demand. Terminals 16 and
19 of the TB2.
◆ DHW boost (Default for input 6)
This function allows a request for a one-time heating up of the domestic hot water temperature.
The input can be sent by a push button, a NC contact and a NO contact. This input is switched on
terminals 16 and 20 of the TB2.
PMEN0657 rev.0 - 02/2024
16
Common
Line
16
Common
Line
16
Common
Line
18
Solar
IN
Input 4
19
T
T
Smart Function
Input 5
20
DHW Boost
input 6
6
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