Hitachi YUTAKI S COMBI Series User Manual

ENGLISH
Smart Function
REF Access Description
Default
Value
Range Steps Units Application
Notes
Smart Function S SC S80 M
TarSt
Status Disabled Disabled / Enabled - - ○ ○ ○ ○ -
TarAct
Smart Action HP blocked
(0) HP Block
(1) HP Limited (A)
(2) SM Grid Ready
(3) DHW Block
(4) DHW Only
- - ○ ○ ○ ○ (*1)
noNc Trigger Type Closed
Open (NA)
Closed (NC)
- - ○ ○ ○ ○ (*2)
B-SMART
Start Boiler Disabled Disabled / Enabled - - ○ ○ ○ ○ (*3)
DHW-SMART
Start DHW Heater Disabled Disabled / Enabled 1 A ○ ○ ○ ○ (*3)
Ku Limitation by Ampere 50 3~60 - - ○ ○ ○ ○ (*4)
? NOTE
• (*1): If Status (TarSt)= “Enabled”. “DHW Block” and “DHW Only” parameters are only shown if Status (DHWs)= “Enabled”.
• (*2): If Status (TarSt)= “Enabled”. If Smart action (TarAct)=“Sm. Grid Ready”, this parameter is hidden and forced to “Closed (NC)”.
• (*3): if Status (TarSt)= “Enabled” and Smart action (TarAct)= “HP Block”.
• (*4): If Status (TarSt) = “Enabled” and Smart action (TarAct) =“HP. Limited (A)”.

Space Functions
• Heating Auto On/Off
• Auto Heat/Cool (*1)
? NOTE
(*1): Available if cooling operation is enabled (DSW1-4:ON) and Water Calculation Modes (Water calculation mode for circuit 1 heating (C1WC) or
Water calculation mode for circuit 1 cooling (CC1WC) or Water calculation mode for circuit 2 heating (C2WC) or Water calculation mode for circuit 2
cooling (CC2WC)) are not set as “Disabled”. Not available for YUTAKI S80.
Heating Auto On / Off
REF Access Description
Default
Value
Range Steps Units Application
Notes
Heating Auto On/Off S SC S80 M
AutoST Status Disable Disable / Enabled 1 - ○ ○ ○ ○
AutoT Switch-Off T 22 10~25 1 ºC ○ ○ ○ ○ (*1)
AutoDiff
Switch-On Differential 1 1~3 1 ºC ○ ○ ○ ○ (*1)
? NOTE
(*1): If Status (AutoST) (“Status”)= “Enabled”
UNIT CONTROLLER
PMML0335A rev.1 - 04/2016
157

Hitachi YUTAKI S COMBI Series Specifications

General

Brand	Hitachi
Model	YUTAKI S COMBI Series
Category	Heat Pump
Language	English