Hitachi YUTAKI S COMBI Series Technical Catalogue

2 General data
Generalspecications
TCGB0123 rev.2 - 10/2019
38
2.4 General specications
2.4.1 Considerations
• The sound data is based on the following conditions:
- Outdoor ambient temperature (DB/WB): 7/6ºC.
- Water inlet/outlet temperature: 47/55ºC (mark: *1); 30/35ºC (mark: *2).
- Distanceoftheunitfromthemeasuringpoint:At1meterfromtheunit’sfrontsurface;1,5meterfromoorlevel.
- Thesoundpressurelevelismeasuredinananechoicchamber,soreectedsoundshouldbetakeninto
consideration when installing the unit.
- The sound power level is measured in a reverberant room, in accordance with the standard EN12102. Used
environmentconditionsarethesamethatspeciedinEN14511forperformancetest.
• Thenominalwaterowrateiscalculatedunderthefollowingconditions:
- Outdoor ambient temperature (DB/WB): 7/6ºC.
- Water inlet/outlet temperature: 47/55ºC (mark: *1); 30/35ºC (mark: *2).
• Regarding data market with marked *3, it corresponds to the height of the unit with the minimum mounting foot
height. This value can be adjusted up to +30 mm.
• Forspecicdetailsaboutdatacorrespondingtotheworkingrange,pleaserefertothechapter“5. Working range”.
Keywords:
• DB: Dry bulb
• WB: Wet bulb

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