Robur · Gas heat pumps

Robur GAHP AR Plus

Reversible gas absorption heat pumps: heating, cooling and DHW

Cooling capacity: 16.9 kW
Heating capacity: 38.8 kW
Efficiency: GUE 154 % (heating) · 67 % (cooling)
Energy: Natural gas or LPG + air

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Technical data

Key data

Cooling capacity: 16.9 kW
Heating capacity: 38.8 kW
Rating conditions: Heating A7W35 · Cooling A35W7
Energy: Natural gas or LPG + air
Output temperature: Water up to 60 ºC (heating) and 65 ºC (DHW)
Refrigerant: R717 (ammonia)
Efficiency: GUE 154 % (heating) · 67 % (cooling)
Energy class: A+

Main advantages

Heating, cooling and DHW in a single unit
GUE of 154 % in heating
Minimal electricity consumption
Natural refrigerant, no fluorinated gases

Models

Robur GAHP AR Plus models

Technical data from the manufacturer's data sheet.

GAHP AR Plus
Model	Unit	Standard	Low-noise S1
GENERAL DATA
Version / application		Reversible air-source heat pump: heating, cooling and DHW (modulating)
Installation location		Outdoor
Refrigerant (natural, ammonia)		R717
Exempt from the F-Gas regulation		Yes
Hydrogen allowed in gas blend (H2NG Hydrogen Ready)	%	0.2
Seasonal space heating energy efficiency class (ErP), medium-temperature application (55ºC)		A+
Modulation range	%	28 ÷ 100
HEATING AND DHW MODE
Nominal reference conditions (heat source: air, water / outlet hot water)		A7W35
Heat output at nominal reference conditions	kW	38.8
GUE (gas utilisation efficiency)	%	1.54
Heat input	kW	25.2
Maximum hot water outlet temperature - heating	°C	60
Maximum hot water outlet temperature - DHW	°C	65
Maximum hot water inlet temperature - heating	°C	50
Maximum hot water inlet temperature - DHW	°C	55
Nominal hot water flow	l/h	3,040
Heating pressure drop at nominal water flow	bar	0.29
Maximum ambient air temperature (dry bulb)	°C	40
Minimum ambient air temperature (dry bulb)	°C	-15
COOLING MODE
Cooling capacity (outdoor 35 °C / water outlet 7 °C, A35W7)	kW	16.9
GUE (gas utilisation efficiency)	%	0.67
Minimum chilled water outlet temperature	°C	3
Maximum chilled water (inlet) temperature	°C	45
Minimum chilled water (inlet) temperature	°C	8
Nominal chilled water flow	l/h	2,900
Cooling pressure drop at nominal water flow	bar	0.31
Maximum outdoor temperature in cooling	°C	45
Minimum outdoor temperature in cooling	°C	0
ELECTRICAL DATA
Supply voltage	V	230
Frequency	Hz	50
Nominal electrical consumption	kW	0.84	0.77
Minimal electricity consumption	kW		0.5
Protection rating	IP	25
INSTALLATION DATA
Natural gas G20 consumption (nominal)	m³/h	2.72
LPG G30 consumption (nominal)	kg/h	2.03
LPG G31 consumption (nominal)	kg/h	2
Sound pressure Lp at 5 m (maximum)	dB(A)	57.6	52
Sound pressure Lp at 5 m (minimum)	dB(A)		49
Water connection: type		Female (F)
Water connection: thread	in	1 1/4
Gas connection: type		Female (F)
Gas connection: thread	in	3/4
Flue outlet diameter (Ø)	mm	80
Dimensions: width	mm	854
Dimensions: height (without flue outlet)	mm	1,446	1,523
Dimensions: depth	mm	1,266
Operating weight	kg	385	395