VGU 180 EK

VGU 180 EK extracts the poor, humid air from kitchens, bathrooms and utility rooms. New air is supplied to the dwelling by valves in windows or exterior walls. 

The energy from the extracted air is reused to provide heating to the dwelling by water-borne underfloor heating or low-temperature radiators and to produce domestic hot water. 

VGU 180 EK has an adjustable ventilator which can be set to extracting an air volume up to 325 m3/h.

The stainless steel hot water tank has a volume of 180 l which is perfect suitable for providing domestic hot water to an average family.

To ensure that the unit can supply enough heating during very cold periods it comes with a built-in 9 kW electrical completion for water-borne underfloor heating as well as a 1.5 kW electrical completion for the domestic hot water.

One of the great advantages of VGU 180 EK is that it eliminates the need for geothermal tubes or an outdoor air heat pump as in conventional heat pump solutions.

Dimensions (WxDxH) 600 x 600 x 1810 mm
Weight 140 kg
Plate type casing Aluzinc steel plate, white powder coating RAL9016
Heat loss casing 3,07 W/K
Duct connections Ø 160 mm
Condensate drain PVC, Ø 20 ×1,5 mm
Tightness class IP31
Standby power 1 W
Ambient temperature 0/+40 °C
Refrigerant R134a

Ecodesign/ERP data

Fan data
Motordata (optimalt driftspunkt)

Heat pump combination for space heating and domestic hot water production - cold climate

Model VGU 180EK
Air-to-water heat pump Yes
Water-to-water heat pump No
Brine-to-water heat pump No
Low-temperature heat pump Yes
Equipped with a supplementary heater Yes
Heat pump combination heater Yes

 

Temperature control  
Model CTS602
Class 2
Contribution to seasonal space heating energy efficiency 2%

 

Item Symbol Value Unit   Element Symbol Value Unit
     
Rated heat output (*) Prated 2.3 kW   Seasonal space heating energy efficiency ŋs 147 %
*Declared capacity for heating for part load at indoor temperature 20 °C and outdoor temperature of Tj   Declared coefficient of performance or primary energy ratio for part load at indoor temperature 20 °C and outdoor temperature Tj
Tj = -7 °C Pdh 2.092 kW   Tj = -7 °C COPd 3.82  
Tj = +2 °C Pdh 2.103 kW   Tj = +2 °C COPd 3.94  
Tj = +7 °C Pdh 2.112 kW   Tj = +7 °C COPd 4.00  
Tj = +12 °C Pdh 2.096 kW   Tj = +12 °C COPd 3.95  
Tj = bivalent temperature Pdh 2.077 kW   Tj = bivalent temperature COPd 3.68  
     
Tj = operation limit temperature Pdh 2.119 kW   Tj = operation limit temperature COPd 3.70  
Operation limit temperature
Tj = -15 °C (if TOL < -20 °C)
Pdh       For air-to-water heat pumps Tj = -15 °C (if TOL < -20 °C) COPd    
Bivalent temperature Tbiv -6     For air-to-water heat pumps:
Operation limit temperature
    °C
Cycling interval capacity for heating Pcych       Cycling interval capacity for 
heating
     
Degradation co-efficient Cdh 0.9     Heating water operating limit temperature WTOL 52 °C
Power consumption in modes other than active mode   Supplementary heater
Off mode POFF 0.0084     Rated heat output Psup 9 kW
Thermostat off-mode PTO 0.0253            
Standby mode PSB 0.0084     Type of energy input Electric    
Crankcase heater mode PCK 0            
Other items          
Capacity control: Variable compressor
Variable indoor temperature adjustment
  For air-to-water heat pumps: Rated air flow rate, outdoors   360 m3/h
 

Permanent indoor water flow
Permanent outdoor water flow

  For water-/ brine-water heat pumps: Rated brine or water flow rate, outdoor heat exchanger     m3/h
Sound power level, indoor LWA 58.2 dB          
Annual energy consumption QHE 2148 kWh          
Specified consumer profile   XL     Energy efficiency for water heating ŋwh 108 %
Daily energy consumption Qelec 7.212     Daily fuel consumption Qfuel   kWh
Annual energy consumption AEC 1557            

 

 

Heat pump combination for space heating and domestic hot water production - average climate

Model VGU 180EK
Air-to-water heat pump Yes
Water-to-water heat pump No
Brine-to-water heat pump No
Low-temperature heat pump Yes
Equipped with a supplementary heater Yes
Heat pump combination heater Yes

 

Temperature control  
Model CTS602
Class 2
Contribution to seasonal space heating energy efficiency 2%

 

Item Symbol Value Unit   Element Symbol Value Unit
     
Rated heat output (*) Prated 2.5 kW   Seasonal space heating energy efficiency ŋs 105 %
*Declared capacity for heating for part load at indoor temperature 20 °C and outdoor temperature of Tj   Declared coefficient of performance or primary energy ratio for part load at indoor temperature 20 °C and outdoor temperature Tj
Tj = -7 °C Pdh 2.078 kW   Tj = -7 °C COPd 3.59  
Tj = +2 °C Pdh 2.094 kW   Tj = +2 °C COPd 3.77  
Tj = +7 °C Pdh 2.109 kW   Tj = +7 °C COPd 3.97  
Tj = +12 °C Pdh 2.151 kW   Tj = +12 °C COPd 4.13  
Tj = bivalent temperature Pdh 2.074 kW   Tj = bivalent temperature COPd 3.64  
     
Tj = operation limit temperature Pdh 2.119 kW   Tj = operation limit temperature COPd 3.70  
Operation limit temperature 
Tj = -15 °C (if TOL < -20 °C)
Pdh       For air-to-water heat pumps Tj = -15 °C (if TOL < -20 °C) COPd    
Bivalent temperature Tbiv -6     For air-to-water heat pumps:
Operation limit temperature
    °C
Cycling interval capacity for 
heating
Pcych       Cycling interval capacity for 
heating
     
Degradation co-efficient Cdh 0.9     Heating water operating limit temperature WTOL   °C
Power consumption in modes other than active mode   Supplementary heater
Off mode POFF 0.0084     Rated heat output Psup 9 kW
Thermostat off-mode PTO 0.0253            
Standby mode PSB 0.0084     Type of energy input Electric    
Crankcase heater mode PCK 0            
Other items          
Capacity control: Variable compressor
Variable indoor temperature adjustment
  For air-to-water heat pumps: Rated air flow rate, outdoors   360 m3/h
 

Permanent indoor water flow
Permanent outdoor water flow

  For water-/ brine-water heat pumps: Rated brine or water flow rate, outdoor heat exchanger     m3/h
Sound power level, indoor LWA 58.2 dB          
Annual energy consumption QHE 1732 kWh          
Specified consumer profile   XL     Energy efficiency for water heating ŋwh 108 %
Daily energy consumption Qelec 7.212     Daily fuel consumption Qfuel   kWh
Annual energy consumption AEC 1557            

 

 

Sound data

Sound output level LWA drops with falling air volumes and falling back-pressure.

At a given distance, the sound pressure level LpA will depend on the acoustic conditions at the installation site. 

Tapped water

Tapped volume in litres Vmax [L] from VGU 180 EK ank as a function of tapped temperature t [C°] and tank temperature at 40, 50 og 60 °C

Connections
1: Extract air
2: Discharge air

The VGU 180 EK is controlled using its CTS 602 HMI touch panel, featuring a wide range of functions, e.g., menu-controlled operation, weekly programme settings, filter monitor with timer, fan speed adjustment, summer bypass, supply-heating element control, error messages etc.

The CTS 602 comes with factory settings, including a default setting which can be customised to operational requirements to achieve optimum operation and utilisation of the system.

There is an option for selecting between 2 front page images for the main screen.

Operating instructions for the CTS 602 can be found in a separate user manual supplied with the unit.

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Helsinki, Finland
13th - 15th of April 2021

Odense, Denmark
21st - 23rd April of 2021
Nilan A/S · Nilanvej 2 · 8722 Hedensted · Denmark · Phone +4576752500 · nilan@nilan.dk
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