Hitachi YUTAKI Series - Optional Functions Configuration

ENGLISH
8.6.2.8 Optional functions conguration
This menu allows to congure the optional functions for system, space heating or space cooling, DHW and Emergency operation.
DHW:
Congure the optional functions for the DHW. See detailed
information below.
Emergency operation:
Enable or disable emergency operation for space heating or DHW.
See detailed information below.
System:
Congure the optional functions for the system. See
detailed information below.
Space functions:
Congure the optional functions for the space heating or
space cooling. See detailed information below.

System optional functions
Smart function:
To block or limit the heat pump or increase
demand due to electricity availability. See detailed
information below.
Smart Function
Status:
Enable or disable smart function.
Trigger type:
• Closed: Action when input is closed
• Open: Action when input is open
Start boiler:
Permission to use the boiler in case
that the system has been blocked
due to HP Block.
Start DHW Heater:
Permission to use the DHW heater
in case that the system has been
blocked due to HP Block..
Smart Action:
Check that Smart Act/SG1 is set in input 5 (see
section “8.6.2.9 Setup of inputs, outputs and
sensors”)
• HP Block: Heat Pump is forbidden in any
condition (Space Heating, Cooling, DHW) when
signal is active.
• HP Limited (A): Limitation of power consumption
up to a limit of “x” amperes (to be set up in
Limitation of amperage).
• SG Ready: The SG Grid is awarded to heat
pump series. This control technology integrates
the system in a smart grid by using two digital
inputs establishing an unidirectional connection.
It is necessary to congure an input for SG2.
• DHW Block: DHW Operation is forbidden when
signal is active.
• DHW only: Heat pump operation for any
condition except DHW is forbidden when signal
is active. DHW operation is allowed normally.
YUTAKI CASCADE CONTROLLER
PMML0510 rev.1 - 10/2019
139