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VGU 180 EK

VGU 180 EK is an extract ventilation unit with active heat recovery, which is typically used in single-family houses for production of domestic hot water. In addition, VGU 180 EK has a built-in electricity completion that is connected to the central heating system and heats the home via electricity.

The unit extracts the poor, humid air from kitchens, bathrooms, and utility rooms, after which the energy from the exhaust air is recycled to produce hot domestic water.

VGU 180 EK has a 180-liter hot water tank as well as a 1.5 kW electricity completion, to increase the production of hot water if needed.

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.
 

VGU 180 EK 

Energy efficiency class for hot water production A
Consumer profile, water heater XL (X-large)
Hot water tank 180l
Dimensions (B x D x H) 600 × 675 × 1973 mm
Weight 140 kg
Plate type casing Aluzinc steel plate, white powder coating RAL9016
Filter class Greencycle ISO 16890 Coarse 75% (G4)
Duct connections Ø160 mm
Condensate drain PVC Ø20 x 1,5 mm
Supply voltage 3 x 400 V, 50 HZ
Max. input/power / pre-fuse 11 kW/16 A
Standby power 1 W
Tightness class IP31
Ambient temperature 0/+40 °C


 

Supplementary heater (9 kW)

Energy efficiency class for central heating A+
Seasonal space heating energy efficiency 105%
Heat output 9 kW
Supply voltage 3 x 230V / 3 x 400V
Max. fuse size (3 x 230 V) 16A
Max. fuse size (3 x 400V) 16A
Standby electricity consumption 2 W
Expansion vessel 8 l

 

 

 

Tapped water

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

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. 

 

The CTS602 control system is an advanced control system with many settings options. The control system is supplied with factory default settings that can be adapted to the operational requirements in order to achieve best possible operation and utilisation of the unit.

The HMI Touch panel provides an overview of the current operation of the unit. The structure of its menu makes it easy to navigate for both user and installer. You can choose from 2 different images for the main screen.

External communication
The CTS602 control system has an open Modbus RS485 protocol that can be used for communication via external CTS systems. The Modbus connection is used for e.g. Schneider's IHC or KNX systems.

Functional overview   +Standard
-Accessories
Filter monitor Filter monitor with timer notifies when it is time to change filters. Can be set between 30 and 180 days. +
Operating mode Can be set to Auto according to set values or set to heating or cooling mode. +
Stepless regulation The four ventilation steps can be set steplessly 20-100%, with various values for supply air and exhaust air. +
Humidity control Built-in humidity control can be set to high ventilation operation at high humidity (when in the shower) and low ventilation operation if the humidity in the home becomes too low. +
Active cooling The unit can be set to cool the supply air in the summer, should the need arise. When the heat pump cools, the heat is deposited in the hot water tank, so that you get “free” hot water when the unit is in cooling mode. +
Low outdoor temperature It is possible to lower the ventilation at low outdoor temperature, to avoid the indoor humidity becoming too low. +
CO2 control It is possible to control the ventilation level according to the CO2 level in the home. -
Temperature settings The temperature settings are used by the controller to regulate the operation of the entire system. +
Frost protection The control has an automatic function for defrosting the heat exchanger to prevent formation of ice. +
Domestic hot water VGU 180 EK produces the domestic hot water via the air / air heat pump in the ventilation part. +
Pause domestic hot water It is possible to set the hot water production on pause e.g. if no one is at home. In that way, energy is saved. +
Frost protection domestic hot water To protect the hot water tank, it is fitted with a frost protection function. +
Anti-scald protection The control has a built-in scalding protection, which prevents scalding of the users when the hot water tap is opened. +
Anti-Legionella The control has an Anti-Legionella treatment of the domestic hot water that can be activated manually or automatically. +
Anode Electronically monitored anode. Notifies when it is time to replace it to ensure a long service life of the hot water tank.  
Week program You can set up a week program with different settings depending on how much the dwelling is being used. +
User selection program 1 A user selection program enables you to use special settings that override the standard operating settings via a potential-free signal. Used e.g. if a cooker hood is connected to the system. +
User selection program 2 Used as user selection 1, but at the same time has an output signal that can be used e.g. to control a damper. +
Datalog Data logging as well as error messages and warnings. +
Output data All current values in the system operation. Most often used for troubleshooting. +
Emergency stop ventilation Do not turn off the ventilation, as this may damage the unit, duct system and in the worst case the home. But it may be necessary to briefly turn off the ventilation e.g. due to a emergency notification. +

You can find further information about all the functions in the Software and Installation instructions for the unit.

 

ATTENTION! When positioning the unit, you should always consider future services and maintenance. It is recommended that you leave a minimum of 60 cm of clear space in front of the unit.

It must be easy to replace filters and it must be possible to replace, for instance, fans and other components.

ATTENTION! The unit must be level to enable proper drainage from the condensate tray.


ATTENTION! To minimise noise, it is recommended that the unit is positioned with its rear side against an outer wall.
       

Download ecodesign datasheet here (cold climate)

Download ecodesign datasheet here (average climate)