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nilan Comfort 250 Top, Installation Instructions Manual, Page: 27 / 36

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27

Connecting two fire dampers

You can connect two fire dampers.  When connecting two fire dampers, the contact functions must be connected in series as outlined 
below. Note that the two extra wires from dampers (S3 and S5) are not used. Connect the supply voltage from Neutral and relay 5 in a 
parallel circuit.   

Mount junctions in an external junction box (not supplied by Nilan) 

Connect up S1-S6 to Nilan’s fire automation box as shown under “Connecting fire dampers”

                                      Fire damper 1                                                                                              Fire damper 2

   M

1

S4

2

1

2

1

M20

S2
S1
S6

   M

1

S4

M20

S2

S1/S6

S2

S4

S1
S6

Relay 5

Neutral

Relay 5

Neutral

Summary of Contents for Comfort 250 Top

Page 1: ...INSTALLATION INSTRUCTIONS Comfort 250 Top CTS400 BY NILAN Version 1 00 26 05 2021 M75 Comfort 250 Top GB...

Page 2: ...ct connections 12 Electrical installation Electrical connections 13 Safety 13 Connections list 13 Electrical connection unit 13 Power supply 13 Electrical connections accessories 14 Overview of connec...

Page 3: ...3 Ventilation installation Duct system 30 Legislation 30 Ducts 30 Ventilation unit 30 Extract air 31 Supply air 31 Roof terminals 31 Installation example 31 Balancing 32 Important information 32...

Page 4: ...your nearest Nilan dealer A list of Nilan dealers is available on www nilan dk From factory the unit has been tested and is ready for operation CAUTION Always disconnect the power supply to the unit i...

Page 5: ...o the front of the unit so no further installation is required As standard the unit is supplied with ISO Coarse 90 G4 plate filters which are intended to protect the unit from dirt If you need better...

Page 6: ...in mm Right version Left version Connections 1 Outdoor air 2 Supply air 3 Extract air 4 Discharge air 5 Condensate drain 1 2 3 4 5 550 1 6 0 119 180 119 180 109 109 148 148 105 559 790 3 4 1 2 5 550...

Page 7: ...ct air 4 Discharge air 5 Condensate drain 6 Electrical and water after heating element con nections Automatic T2 T7 Supply air temperature sensors T3 Extract air temperature sensor T4 Discharge and de...

Page 8: ...h the necessary sensors and connectors A connection box is also in cluded which enables you to add additional connections Installing an after heating element will allow you to control the supply air t...

Page 9: ...mportant to ensure that the ventilation unit does not transfer vibrations to the building The ventilation unit should therefore be placed on a vibration absorbing material Nilan can supply effective v...

Page 10: ...smartphone app via a gateway connection Connect the Nilan Gateway to a CTS400 or a CTS602 control system This way a cloud connection to the unit can be established The Gatewayis available in twodiffe...

Page 11: ...ENTON When positioning the unit you should always consider future service and maintenance It must be easy to replace filters and it must be possible to remove for instance the exchanger and to replace...

Page 12: ...nections It is possible to connect the duct pipe directly to the spout If necessary use a duct connector not Nilan delivery 1 Use a 160mm duct connector 2 Press the duct connector well into the ventil...

Page 13: ...onnection 230V remember electrical grounding 2 External connections accessories via RJ45 connector 3 Connection to PC Tool via USB connector CAUTION The power supply is plugged into a 230V socket with...

Page 14: ...possible to have all accessories connected up simulta neously The following table shows the external connections that are possible in the different settings Setting User selection 1 Userselection2 Fi...

Page 15: ...Modbus A1 User selection 2 User selection 1 GND GND ATTENTION If you are only connecting 1 function we recommend that you purchase a LAN cable type A of the length required Plug either end of the cabl...

Page 16: ...vol ume to the set level so that enough air is drawn through the cooker hood Fireplace wood burning stove Normally ventilation systems are balanced to maintain a slightly negative pressure level in t...

Page 17: ...It will onlyrestart once connectiontothe fire thermostat hasbeen reestablished orthe external fire automationsystem startssignallingagain This mustbe done manually through the PC Tool program When yo...

Page 18: ...tem works as follows Whenyouturn onthecookerhood userselection1 or2will be activated The ventilationunitincreasesventilationandsendsanoutput signal to the EM box that it is to close the damper for ext...

Page 19: ...s drawn from for instance the bathroom or the utility room This will allow enough air for the cooker hood to extract sufficiently The system works as follows When you switchonthe cooker hood Userselec...

Page 20: ...nt has a three step safety system that prevents overheating 1 An operating thermostat regulates the heating and ensuresthat the supply air temperature does not fall below 1 C 2 Should the temperature...

Page 21: ...d after the heating element It is not necessary to purchase a CTS400 connection box as the electric heating ele ment is supplied with a connection box A where there are options for other connec tions...

Page 22: ...re is 0 5 meter Dimensional drawing 125 160 200 ATTENTION The temperature sensor T7 is mounted after the heating element It is not necessary to purchase a CTS400 connection box as the electric heating...

Page 23: ...ant that the water trap complies with the measurements below If the water trap is placed outside the climate screen it should be protected against frost Illustration of connection at the bottom of the...

Page 24: ...flashes during calibration After completion it stays on 6 Put the cover on the actuator Dimensional drawing 125 160 200 WARNING The water after heating element must be installed by a certified plumbe...

Page 25: ...ed fire and smoke dampers will close and the ventilation unit will stop If the ventilation unit stops fire and smoke dampers will close Dampers that are connected up to the system must have a 24V or 2...

Page 26: ...screw terminal S1 GND Connect S2 white to screw terminal S2 Damper closed signal Connect S3 white to screw terminal S3 Connect S4 white to screw terminal S4 GND Connect S5 white to screw terminal S5 C...

Page 27: ...wires from dampers S3 and S5 are not used Connect the supply voltage from Neutral and relay 5 in a parallel circuit Mount junctions in an external junction box not supplied by Nilan Connect up S1 S6 t...

Page 28: ...asin case of fire The test must be performed again until OK is displayed in the menu For the overall system all requirements in DS 428 must be met before a delivery can be made Manual test of fire an...

Page 29: ...29 Schedule for functional testing ATTENTION DS428 requires written documentation of the annual test of the fire automatic system Date Comments Tested by...

Page 30: ...tubes you do not have to install silencers for each room The sound damping effect of the tubes ensures that sounds and noise will not be transmitted from room to room If you install the tubes outside...

Page 31: ...re oscillations in the ventilation unit caused by wind Their position should also prevent birds and other animals from getting in Finally the position and design should ensure that air intake and the...

Page 32: ...system must have a minimum vacuum which means itdraw out more air than it blows in This will prevent dampness from being forced into the constructions of the building ATTENTION To ensure the ventilati...

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Page 36: ...o make changes to the products and instructions All trademarks belong to Nilan A S All rights reserved Nilan A S Nilanvej 2 8722 Hedensted Danmark Tlf 45 76 75 25 00 nilan nilan dk www nilan dk United...

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