Daikin EWWS-J-SS (141.7 kW)

Specifications and technical data

Water Source (WSHP)CommercialR513A141.7 kW

Manufacturer	Daikin
Model	EWWS-J-SS
Model code	EWWS120J-SS
Heat pump type	Water Source (WSHP) All Water Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R513A All R513A heat pumps →
Mode	Heating & cooling
Heating capacity	141.7 kW
COP (heating)	4.69 at W35/W7
SCOP (heating)	4.74 at Not stated
Heating flow temperature	30–35 °C
Electrical supply	380-415V (Three Phase)
Cooling capacity	115.2 kW
Cooling flow temperature	from -10 °C
EER (cooling)	3.85 at A35/W7
SEER (cooling)	3.36 at W7
Dimensions (H×W×D)	1020 × 913 × 2684 mm
Operational Weight	1177 kg
Sound power level	89 dB(A) (Sound Power LW(A))
Data added	2026-07-07T00:00:00
Data source	Manufacturer Data Sheet
Verification	Verified by a human

Free data sheet (PDF) →

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Daikin EWWS120J-SS water-cooled screw heat pump, R513A, 141.7kW nominal heating / 115.2kW cooling.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	Space Air
UK Supplier	City Plumbing
UK Supplier	The Underfloor Heating Store

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.