Compact P EK

Compact P EK has the same features and benefits as the Compact P, but can also use the energy stored in the ground to heat your home.

The advantage of Compact P EK is that it does not require buried geothermal coils, or the installation of an air extraction heat pump, which is the case for traditional heat-pump based heating solutions. This makes installation easier and less expensive.

Compact P EK is also available in a version with a built-in pre-heating element – Compact Polar EK. Compact Polar EK is optimum for use in cold climates.  

The Compact P EK unit has a built-in electrical boiler that can be connected to a waterborne central heating system, thereby providing electrical heating to the home.

The advantage of Compact P EK is that it does not require buried geothermal coils, or the installation of an air extraction heat pump, which is the case for traditional heat-pump based heating solutions. This makes installation easier and less expensive.

Electrical heating is a good solution for very well-insulated homes that do not use a lot of energy for heating, such as passive buildings. However, it must be checked whether electrical heating is legally permitted.

Ecodesign/ERP data

Fan data
Motordata (optimalt driftspunkt)

Safety group

The safety group, which is made of brass, consists of a stop valve with an integral non-return valve, a safety valve and drain cock. It can be installed directly beneath the hot water tank.

Safety features‌

During periods with cooling ventilation, hot water in the tank can reach very high temperatures - up to 80 ºC. A maximum temperature of up to 60 ºC can be set in the control system to prevent scalding, but active cooling is then limited. To make full use of the cooling function, scalding protection should be fitted that mixes hot water with cold to bring the temperature down. If a solar panel is used to supplement hot water heating, scalding protection must be fitted.

CO2-sensor – CTS 602 control

With a CO2-sensor installed, the ventilation speed can be pre-programmed with CTS 602 to run at a higher ventilation steps when CO2 reaches high level in the extract air. CO2-level is programmable.

Top cover

To cover the ducting over the unit, Nilan offers a top cover in white-varnished aluzinc (RAL 9016).

Solar

Extra heat exchanger of 0.7 m2 in the hot water tank, which can be connected to an approximately 3 m2 solar heating system, or other heat sources.

Pollen filter - ISO ePM1 50-65%

A pollen filter class ISO ePM1 50-65% can be fitted in the unit. The pollen filter is fitted with the ISO Coarse >90% (G4) plate filter.

EM-box

An EM-box allows heat recovery from the air from the range hood and thereby helps to heat the supply air. The EM-box is equipped with a steel filter which efficiently cleans the range hood air of fat particles and thereby protects the system.

 

Electrical pre-heating element (Frost protection)

An electrical pre-heating element heats up the outdoor air before it enters the unit. This avoids having to defrost the unit, resulting in a loss of power. There are
temperature sensors supplied to be fitted in the ducts.

Electrical heating element incl. regulation

When you fit an electrical heating surface, you can raise the fresh air temperature to the desired level at any time. The electrical heating surface is supplied ready to fit into the fresh air duct and, for easy fitting, the device is pre-fitted with all the required sensors.

 

Water heating element incl. regulation (duct mounted)

The supply temperature can always be raised to the required level using a water heating element. The water heating element is designed to be built into the duct and must be connected to the primary heating supply. Supplied with two-way adjustment valve, temperature sensor and frost thermostat (not recommended for GEO / AIR).

 

Model EK 3 kW
Condensing boiler No
Low temperature boiler No
B1 boiler No
Cogeneration space heater No
Combination heater No

 

Item Symbol Value Unit   Item Symbol Value Unit
     
Rated heat output Prated 2,914 kW   Seasonal space heating
energy efficiency
ŋs 39 %
     
At rated heat output and
high-temperature regime
P4 2,914 kW   At rated heat output and
high-temperature regime
ŋ4 39 %
          Other items
          Standby heat loss Pstby 0,0864 kW

 

Model EK 6 kW
Condensing boiler No
Low temperature boiler No
B1 boiler No
Cogeneration space heater No
Combination heater No

 

Item Symbol Value Unit   Item Symbol Value Unit
     
Rated heat output Prated 5,914 kW   Seasonal space heating
energy efficiency
ŋs 39 %
     
At rated heat output and
high-temperature regime
P4 5,914 kW   At rated heat output and
high-temperature regime
ŋ4 39 %
          Other items
          Standby heat loss Pstby 0,0864 kW

 

Model EK 9 kW
Condensing boiler No
Low temperature boiler No
B1 boiler No
Cogeneration space heater No
Combination heater No

 

Item Symbol Value Unit   Item Symbol Value Unit
     
Rated heat output Prated 8,914 kW   Seasonal space heating
energy efficiency
ŋs 40 %
     
At rated heat output and
high-temperature regime
P4 8,914 kW   At rated heat output and
high-temperature regime
ŋ4 40 %
          Other items
          Standby heat loss Pstby 0,0864 kW

 

Compact P EK 3 kW

Heat output 3 kW
Supply voltage 230 V /3x 230V /3x 400V - N
Max. fuse size (1 x 230 V) 25 A
Max. fuse size (3 x 230 V) 16 A
Max. fuse size (3 x 400V) 16 A
Weight (Compact P + electrical boiler) 223 kg
Standby electricity consumption 2 W
Expansion vessel 10 l

Compact P EK 6 kW

Heat output 6 kW
Supply voltage 230 V /3x 230V /3x 400V - N
Max. fuse size (1 x 230 V) 36 A
Max. fuse size (3 x 230 V) 16 A
Max. fuse size (3 x 400V) 16 A
Weight (Compact P + electrical boiler) 223 kg
Standby electricity consumption 2 W
Expansion vessel 10 l

Compact P EK 9 kW

Heat output 9 kW
Supply voltage 3 x 400V - N
Max. fuse size (3 x 400V) 20 A
Weight (Compact P + electrical boiler) 223 kg
Standby electricity consumption 2 W
Expansion vessel 10 l

Dimensional drawing


Connections
1: Fresh air
2: Supply air
3: Extract air
4: Discharge air

All dimensions are in mm.


Electrical boiler
1. Pressure expansion vessel 8L
2. Built-in electrical boiler
3. Automatic vent
4. Manometer
5. Safety valve 2,5 Bar
6. Circulation pump
7. Return flow central heating
8. Supply flow central heating
9. Fill valve 1/2"

The CTS602 HMI touch panel is featuring a wide range of functions, e.g., menu-controlled operation, weekly programme settings, filter monitor with timer, fan speed adjustment, summer bypass (free cooling), supply-heating element control, error messages etc.

The CTS602 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.

1 Connection 3/4”
2 Stop valve
3 Circulation pump
4 Fill valve 1/2”
5 Electrical boiler with electrical heating element (3 / 6 / 9 kW)
6 Pressure expansion vessel
7 Automatic vent
8 Temperature sensor
9 Manometer
10 Safety valve 2,5 bar
11 Particulate filter (not Nilan delivery)

Functional overview CTS 602 control panel

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. +
Frost protection Polar The Polar model has a built-in frost protection preheater to protect the counterflow heat exchanger so  no ice occurs. +
Frost protection EHD The controller can control the EHD damper if the outdoor air enters through roof terminals.  +
Domestic hot water Compact P 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. +
Supplementary electrical heater domestic hot water If the need for domestic hot water increases and the heat pump cannot keep up, a supplementary electrical heater can be activated to heat the domestic hot water. +
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 A week program can be made with various settings depending on the use of the home. +
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. +

 

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Helsinki, Finland
13th - 15th of April 2021

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