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6

22. 02. 22. Document Number  611280

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

DAVE Extract (DE)

Installation Manual

6.5 Control Panel

Volt Free 

0.5A inductive

Contact  

RUN signal

5A resistive

Volt Free 

Contact  

FAULT signal

N
L
SL
DP

RUN      

FA

U

LT

CL
N
RET

Switc

if a BMS is connected.

Also remove link if an 

enabling device is 

connected in the 'NET'

Remove this link wire if 

a switched live signal is 

connected to terminal SL

NOTE: Also remove link 

h live signal

(if required)

NET connections for 

No user 

ECOSMART devices

connections

connections

CO2 sensor

0    

ECOSMA

RT NET

+ve signal

from BMS

Ribbon cable

to commissioning

box

230V 1ph 50Hz supply / 220V 1ph 60Hz supply

11 

PCB Details

6.5.1 BMS Input Signals

The BMS connection is made with a plug-in connector via the socket. To 
ensure the connection is made only by suitably qualified and authorised 
personnel the plug is not supplied.

Plug-in BMS connector is available from:  
R S Components, Part No. 403-875 or  
Farnell, Part No. 963-021

0 - 10V

0V

BMS

12 

BMS Connection

Reversal of the BMS connection will damage the control.

The system’s response to a 0-10V dc BMS signal is given in the table 
below. 

Note the BMS signal will override any sensors and user 

control connected in the system.  The voltage tolerance is +/- 
125mV and is measured at the fans terminal.

Ventilation

Cooling mode * Heating mode *

Local Control

0.00

-

-

OFF / Trickle

0.25

-

-

Speed 1

0.50

0.75

1.00

Speed 2

1.50

1.75

2.00

Speed 3

2.50

2.75

3.00

Speed 4

3.50

3.75

4.00

Speed 5

4.50

4.75

5.00

Speed 6

5.50

5.75

6.00

Speed 7

6.50

6.75

7.00

Speed 8

7.50

7.75

8.00

Speed 9

8.50

8.75

9.00

Speed 10

9.50

9.75

10.00

*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 maintenance checks are recorded and that the 
schedule is always adhered to, in all cases, the previous report should 
be referred to.

Motors are fitted with sealed for life bearings and do not require any 
lubrication.

7.1 Routine Maintenance

Remove the top or the bottom cover and carefully clean out the 
interior as necessary. 

Check all parts for security and that the impeller rotates freely, 
taking care not to disturb the balance. 

The filter (where applicable) will require cleaning on a regular 
basis. The frequency of the cleaning operation will depend on the 
site conditions.

Ensure all control components are secure and clean. 

Refit the cover.

7.2 Annually 

All electrical terminals within the unit should be tightened. 

Check all earth connections. 

7.3 Dirty Filter Alarm (Extended Case Models Only)

Units pre fitted with a panel air filter are equipped with an visual Red 
LED alarm on the side of the control. The pressure switch is pre set at 
150pa and positioned within the unit and accessed via the removable 
top or bottom panel. If required, the alarm signal can be positioned to 
another area by others using the pre fitted terminal block - A volt free 
relay must be used between the control and customer wiring. 

LED On 

= Pressure exceeds the maximum allowable final pressure drop. 

Replacement filter part numbers are shown below.

7.4 G3 Filter Replacement (Extended Case Models Only)

Unit

Replacement Part Number

DE1A-ES

D1A-G3FILTERKIT

DE2A-ES

D2A-G3FILTERKIT

DE2HA-ES

D2HA-G3FILTERKIT

DE3A-ES

D3A-G3FILTERKIT

DE4A-ES

D3A-G3FILTERKIT

DE4HA-ES

D4HA-G3FILTERKIT

DE5A-ES

D5A-G3FILTERKIT

DE6A-ES

D6A-G3FILTERKIT

DE7A-ES

D7A-G3FILTERKIT

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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