Hitachi YUTAKI S COMBI Series User Manual

The next list shows the parameters that can be consulted on the display. All of them are read-only. Most of these variables are the
same ones that can be consulted by 7-segment, taking information from the outdoor and indoor unit.
? NOTE
All the operation parameters are able to be displayed by the installer but normal user can only display the basic ones.
8.6.1.1 General
REF Access Description
Default
Value
Range Steps Units Application
Notes
General S SC S80 M
OPST Operation Status OFF
Cool D-OFF
Cool T-OFF
Cool ON
Heat D-OFF
Heat T-OFF
Heat ON
DHW OFF
DHW ON
SWP OFF
SWP ON
Alarm
- - ○ ○ ○ ○ -
HPTi Water Inlet T - - - ºC ○ ○ ○ ○ -
HPTo Water Outlet T - - - ºC ○ ○ ○ ○ -
OPst Water Setting T - - - ºC ○ ○ ○ ○ -
OPTa Outdoor Ambient T - - - ºC ○ ○ ○ ○ -
OPTa2 Outdoor Ambient 2 T - - - ºC ○ ○ ○ ○ -
OPTav Outdoor Ambient Average T - - - ºC ○ ○ ○ ○ -
OPTa2v Second Ambient Average T - - - ºC ○ ○ ○ ○ -
av24Sw
Off
24h average T - - - ºC ○ ○ ○ ○ (*1)
? NOTE
(*1): If (Status (AutoST) or Status (AHC)“Enabled”) and Controller type (LCDM)= “Unit” or “Unit + Room” in the Wizard Conguration.
8.6.1.2 Circuit 1
REF Access Description
Default
Value
Range Steps Units Application
Notes
Circuit 1 S SC S80 M
C1Op Operation - Demand ON/OFF - - ○ ○ ○ ○ -
C1Mo Mode - Comfort/ECO - - ○ ○ ○ ○ -
C1Rt Room T - - - ºC ○ ○ ○ ○ (*1)
C1Rs Room setting T - - - ºC ○ ○ ○ ○ (*1)
HPTo Current Water T - - - ºC ○ ○ ○ ○ -
C1TC Water Setting T - - - ºC ○ ○ ○ ○ -
C1OTCs Water OTC Setting T - - - ºC ○ ○ ○ ○ -
? NOTE
(*1): Only available if one of the following conditions is satised:
• If (Controller type (LCDM))= “Unit” or “Unit+Room” and:
- When (Thermostat type (RTType))= “Wireless”: Thermostat 1 (otC1)= “C1” or “C1+C2” or Thermostat 2 (otC2)= “C1” or “C1+C2”.
- When (Thermostat type (RTType))= “Wired”: “Check RT address” function found a PC-ARFHE with Controlled circuits (LCDL) (Controlled
Circuits)= “C1” or “C1+C2”.
• If (Central mode (COT))= “Air” or “Full” and “Room Thermostat” for C1 congured on central device.
• If (Controller type (LCDM))= “Room” or “Unit+Room” and (Controlled circuits (LCDL))= “C1” or “C1+C2”.
UNIT CONTROLLER
PMML0335A rev.1 - 04/2016
132

Hitachi YUTAKI S COMBI Series Specifications

General

Type	Air-to-Water Heat Pump
Energy Efficiency Class (Cooling)	A++
Refrigerant	R32
Operating Temperature Range (Heating)	-20°C to 35°C
Energy Efficiency Class (Heating)	A+++
Integrated DHW Tank	190 liters
Dimensions (Indoor Unit)	Varies by model
Dimensions (Outdoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Operating Temperature Range (Cooling)	+10°C to +46°C