Hydraulic-Station for Air-to-Water Heat PumpHydraulic Station Split

Hydraulic station designed for higher hot water demand and simple system setup.

Pre-assembled system for fast and straightforward installation
Works with cylinders from 200 to 500 litres for different hot water needs
Optional connectivity via the myVaillant app

The hydraulic station is designed for homes with higher hot water demand. Working together with hot water cylinders from 200 to 500 litres and Vaillant R290 heat pumps, it delivers reliable hot water when you need it.

All essential components are already integrated, making the system compact and easy to install. This keeps setup simple and ensures consistent comfort in everyday use.

Ideal for:

Heating
Hot water
Cooling

Technical data table overline

Technical data table headline

Hydraulic Station
VWL 57/5 IS	VWL 77/5 IS	VWL 127/5 IS

ErP

ErP Seasonal Space Heating Efficiency Low Temp Class	ErP Seasonal Space Heating Efficiency Low Temp Class	-	-
ErP Seasonal Space Heating Efficiency High Temp Class	ErP Seasonal Space Heating Efficiency High Temp Class	-	-
ErP Seasonal Space Heating Energy Efficiency Medium Temp (average)	ErP Seasonal Space Heating Energy Efficiency Medium Temp (average)	-	-	128 %

Hydraulic Station
VWL 57/5 IS	VWL 77/5 IS	VWL 127/5 IS

Electrical Connection

Electrical Power Consumption (230 V, 1/N/PE) (max)	Electrical Power Consumption (230 V, 1/N/PE) (max)	2,96 kW	3,84 kW	-
Electrical Power Consumption for Back-Up Heater (230 V) (max)	Electrical Power Consumption for Back-Up Heater (230 V) (max)	5,4 kW	5,4 kW	5,4 kW
Electrical Power Consumption for Back-Up Heater (400 V) (max)	Electrical Power Consumption for Back-Up Heater (400 V) (max)	8,5 kW	8,5 kW	8,5 kW
Electrical Voltage Supply (selectable)	Electrical Voltage Supply (selectable)	230 V (50 Hz) - 400 V (50 Hz)	230 V (50 Hz) - 400 V (50 Hz)	230 V (50 Hz) - 400 V (50 Hz)
IP Rating¹	IP Rating¹	IP10B	IP10B	IP10B
Electrical Power Consumption (400 V, 3/N/PE) (max)	Electrical Power Consumption (400 V, 3/N/PE) (max)	-	-	7,6 kW

Hydraulics

Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 3 kW)	Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 3 kW)	540 l/h / 710 mbar	-	-
Pump Volume Flow / Remaining pressure head at ΔT=5 K	Pump Volume Flow / Remaining pressure head at ΔT=5 K	-	1.020 l/h / 660 mbar	-
Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 10 kW)	Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 10 kW)	-	-	1.700 l/h / 420 mbar
Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 5 kW)	Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 5 kW)	790 l/h / 680 mbar	-	-
Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 12 kW)	Pump Volume Flow / Remaining pressure head at ΔT=5 K (With Outdoor Unit 12 kW)	-	-	1.800 l/h / 380 mbar
Expansion Vessel Volume	Expansion Vessel Volume	10 l	10 l	10 l
Pressure Expansion Vessel	Pressure Expansion Vessel	0,75 bar	0,75 bar	0,75 bar

Connections

Connection Dimension Heating (Flow, Return)	Connection Dimension Heating (Flow, Return)	G 1″	G 1″	G 1″
Connection Dimension Refrigerant, gaseous	Connection Dimension Refrigerant, gaseous	½″	⅝″	⅝″
Connection Dimension Refrigerant, fluid	Connection Dimension Refrigerant, fluid	¼″	⅜″	⅜″
Connection Dimension Domestic Hot Water, Cold Water	Connection Dimension Domestic Hot Water, Cold Water	G 1″	G 1″	G 1″

Dimensions

Height / Width / Depth	Height / Width / Depth	720 mm / 440 mm / 350 mm	720 mm / 440 mm / 350 mm	720 mm / 440 mm / 350 mm
Weight	Weight	23 kg	24 kg	26,5 kg

Limitations

Current Consumption Rated Current (230 V) (max)	Current Consumption Rated Current (230 V) (max)	23,3 A	23,3 A	23,5 A
Current Consumption Rated Current (400 V) (max)	Current Consumption Rated Current (400 V) (max)	8,7 A	8,7 A	13,7 A
Operating Pressure Domestic Hot Water (max)	Operating Pressure Domestic Hot Water (max)	3 bar	3 bar	3 bar

¹EN 60529