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22. 02. 22. Document Number  611280

Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk

DAVE Extract (DE)

Installation Manual

6.3 Electrical Connections

6.3.1 Mains Connections

Mains cables should be suitably sized and terminated at the terminals 
shown on the appropriate diagram.

6.3.2 Control Connections

3 IDC plug-in Net connectors are provided for the connection of 
compatible sensors, manual controls and for linking the fans together 
under a common control. If more than 3 connections are required, 
the junction box (product code ES-JB) should be used (see data cable 
installation).

Ecosmart Net Connections

6.3.3 Switched Live (SL) Terminal

Mains cables should be suitably sized and terminated at the terminals 
shown on the appropriate diagram.

N

E

L

SL

Remove link if switched live signal, 
an enabler or BMS signal is connected.

Terminals or PCB

Mains connection pre-wired
230V 50Hz 1ph / 220V 60Hz 1ph

SL Terminal

6.3.4 Control Connections

A signal of 100-230V / 220V a.c. will activate the fan from either its 
off state or trickle state (see setting to work-trickle switch). When 
the SL is disconnected the fan will over-run (see setting to work-timer 
adjustment). 

Do not take this signal from an isolating transformer.

6.3.5 Volt Free Relay Contacts

Volt free contacts are not fused, if these are used to power any external 
equipment, the installer must provide adequate fusing or other 
protection. These contacts are rated at 5A resistive, 0.5A inductive.

Run Connections =

 Contacts are closed when the fan is running. 

Fault Connections - No Fault =

 Contacts are closed. 

Fault Connections - Fault =

 Contacts are open.

Volt Free Relay Contacts

RUN 

FAULT

Run signal    Fault signal

6.3.6 Data Cable Installation

A 4-core SELV data cable is used to connect devices. 
Do not run data cable in the same conduit as the mains cables and 
ensure there is a 50mm separation between the data cable and other 
cables. The maximum cable run between any two devices is 300m 
when it is installed in accordance with the instructions.

Please note that the total data cable length used in any system 
must be less than 1000m. Keep the number of cable joints to a 
minimum to ensure the best data transmission efficiency between 
devices.

6.3.7 Maximum Number of Devices

The maximum number of devices (including fans) that can be 
connected together via the cable is 32, irrespective of their functions.

6.3.8 Other Low Voltage Cables

Follow the basic principle (as 5.1.6). Keep the cable run as short as 
possible, less than 50 metres.

6.3.9 Commissioning Panel Details

A Commissioning Procedure document (leaflet No. 671153) is available 
on request from the Nuaire Technical Library, Tel: 029 2088 5911.

LED indicators

Min 

Max  SL run on

Trickle

Test

1

0        

Pwr
Standby
Fan 1 
Fan 2 
Heating
Cooling
Fault
Frost
Tx
Rx

MIN 

=  Minimum speed
  adjustment

MAX 

=  Maximum speed
  adjustment

SL Run on  =  Switched Live Run-On

  Timer adjustment

TRICKLE 

 =  Selects trickle running:

  0 = off, 1 = selected

TEST 

=  Test button

10 

Commissioning Panel

6.4 LED Indicator

PWR

  

GREEN: Power on & OK.  

 

RED: To much power is taken by peripherals or there is a short  

 

circuit in the net cable. Check the cable and use a junction    

 

box (ES-JB) to connect some of the peripherals. 

Standby

  LED on when fan is not running. 

Fan 1  

GREEN: Fan 1 is running, RED: Fan 1 faulty. 

Fan 2

  

GREEN: Fan 2 is running, RED: Fan 2 faulty (Twinfan only). 

Heating* 

Not applicable. See note. 

Cooling*

  Not applicable. See note. 

Fault 

 

LED on when a fault is present on unit. 

Frost*

  Applicable with LPHW only. See note. 

Tx 

 

LED on when the controller is transmitting data. 

Rx 

 

LED on when the controller is receiving data.

The control panel is common to all the Ecosmart classic products 
and will have indicators for functions that are not available in this 
particular fan. However these indicators will not be illuminated.

Содержание DE1-ES

Страница 1: ...rminating close to the fan must be adequately protected by suitable guards This appliance should not be used by children or persons with reduced physical sensory or mental capabilities or lack of expe...

Страница 2: ...ans consists of 9 sizes with a maximum duty of 1 1m3 s 1100l s Units are manufactured from aluzinc rectangular in section and have circular rigid spigots at each end All units are supplied with fixing...

Страница 3: ...H 1004 567 237 150 370 150 100 960 609 30 DE2A ES H 1004 703 304 200 370 150 100 960 746 40 DE2HA ES H 1004 703 304 200 370 150 100 960 746 45 DE3A ES H 1004 788 349 200 370 150 100 960 830 50 DE4A ES...

Страница 4: ...Unit Details Unit details including Full Load Current Voltage fan speed etc can be found on the unit label 6 2 Wiring Diagrams Local isolator by others All inter connections between circuit boards bl...

Страница 5: ...same conduit as the mains cables and ensure there is a 50mm separation between the data cable and other cables The maximum cable run between any two devices is 300m when it is installed in accordance...

Страница 6: ...0 Only available on relevant unit 7 0 MAINTENANCE Isolation Before commencing work make sure that the unit and Nuaire control are electrically isolated from the mains supply It is important that maint...

Страница 7: ...elines taking into account all site based risks Where possible Nuaire use components which can be largely recycled when the product reaches its end of life Fans motors controls actuators cabling and o...

Страница 8: ...and steps taken to prevent ingress of contaminants 4 0 OPERATIONAL LIMITS 4 1 It is important that the specified operational limits for the equipment are adhered to e g operational air temperature air...

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