Sg Ready Function - Hitachi YUTAMPO Series Service Manual

3 Control functions
Smart function
After selecting the Smart Function (HP Block or SG Ready) it is necessary to select the appropriate input on the I/O
menu:

3.12.1 SG Ready Function

The SG Ready is awarded to the heat pump series, to control technology by integrating the individual heat pump.
Allows in a smart grid by using two digital inputs establishing an unidirectional connection and allowed for four different
operation modes:
SG Input 1 SG Input 2
Open Open
Close Open
Open Close
Close Close
29 SMGB0135 rev.0 - 06/2020
Action
Standard HP mode SG is not activated.
External blocking mode Heat Pump is forbidden when signal is active
Low price mode Increase DHWT Temperature setting by + 7ºC
Overcapacity mode Tdhws (Setting temperature) =Tdhwmax (Maximum water temperature)
Input for SG Ready or HP Block
Input for SG Ready
Description
3