NuAire DE1-ES User manual

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22. 02. 22. Document Number 611280
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
DAVE Extract (DE)
Extract Fans With Ecosmart Control
Installation Manual
1.0 SAFETY INFORMATION
• The provision of the electrical supply and the connection of the unit to the electrical supply must
be carried out by a qualified electrician.
• Isolate from power supply before removing any covers. During installation / maintenance ensure
all covers are fitted before switching on the mains supply.
• All-pole disconnection from the mains as shown in the wiring diagram must be incorporated
within the fixed wiring and shall have a minimum contact separation of 3mm in accordance with
latest edition of the wiring regulations.
• This unit must be earthed.
• Ducting must be securely fixed with screws to the spigot to prevent access to live parts. Duct
runs terminating 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 experience and knowledge, unless they have been given supervision
or instruction concerning the safe use of the appliance by a person responsible for their safety.
Children shall not play with the appliance. Cleaning and user maintenance shall not be carried
out by children.
1.1 Symbols
GENERAL WARNING
Signifies a general warning regarding hazard specified by supplementary information.
ELECTRIC SHOCK
This unit must be completely electrically isolated before any panels are removed. Check
mains supply and control connections.
ROTATING PARTS
This unit contains fast moving rotational parts which may start automatically. It is the
sole responsibility of the installer to adequately guard these components.
REFER TO INSTRUCTION MANUAL
Read and understand the installation and maintenance manual before installing,
operating or maintaining this product.

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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
1.2 Important Information
This manual contains important information on the safe and
appropriate assembly, transport, commissioning, operation,
maintenance, disassembly and simple troubleshooting of the product.
While the product has been manufactured according to the accepted
rules of current technology, there is still a danger of personal injury or
damage to equipment if the following general safety instructions and
the warnings contained in these instructions are not complied with.
•Read these instructions completely and thoroughly before
working with the product.
•Keep these instructions in a location where they are accessible
to all users at all times.
•Always include the operating instructions when you pass the
product on to third parties.
1.3 Personal Protective Equipment
The following minimum Personal Protective Equipment (PPE) is
recommended when interacting with Nuaire product:
•Protective Steel Toed Shoes - when handling heavy objects.
•Full Finger Gloves (Marigold PU800 or equivalent) - when
handling sheet metal components.
•Semi Fingerless Gloves (Marigold PU3000 3DO or equivalent)
- when conducting light work on the unit requiring tactile
dexterity.
•Safety Glasses - when conducting any cleaning/cutting operation
or exchanging filters.
•Reusable Half Mask Respirators - when replacing filters which
have been in contact with normal room or environmental air.
Nuaire would always recommend a site specific risk assessment by a
competent person to determine if any additional PPE is required.
2.0 INTRODUCTION
The Dave range of in-line backward curve fans 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
brackets designed to simplify installation.
2.1 Code Description:
1 2 3 4 - 5
DE 2HA ES -H
1. Range: DE =DAVE EXTRACT FAN
2. Unit Size: 1 - 7
3. Fan / Case Type: No Reference = Standard Fan / Case
A = Extended Case (Includes G3 Filter)
H= High Pressure Fan (Size 2 & 4 only)
HA = High Pressure Fan (Size 2 & 4 only)
with Extended Case (Includes G3 Filter)
4. Control: ES = Ecosmart
5. Electrical Frequency: No Reference = 50Hz
H = 60Hz
3.0 DELIVERY & RECEIPT OF EQUIPMENT
All equipment is inspected prior to despatch and leaves the factory in
good condition. Upon receipt of the equipment an inspection should be
made and any damage indicated on the delivery note.
Particulars of damage and/or incomplete delivery should be endorsed
by the driver delivering the goods before offloading by the purchaser.
No responsibility will be accepted for damage sustained during the
offloading from the vehicle or on the site thereafter.
All claims for damage and/or incomplete delivery must be reported to
Nuaire within two days of receipt of the equipment.
3.1 Offloading & Handling
The weight of the unit modules and palletised items are displayed on
the packaging.
Some of the modules have an uneven weight distribution, and this will
be indicated by labelling where appropriate.
Offloading and positioning of the equipment is the responsibility of
the purchaser. Items should only be lifted by competent personnel
following appropriate risk assessment.
Assembly with
base frame
Palletised
Forklift
Slings via spreaders fitted to unit
with base frame.
Please note that above images are
examples of typical lifting methods.
Actual unit lifting plan and risks
must be assessed by competent
personnel before moving the unit.
1 Typical Loading Methods

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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
4.0 DIMENSIONS (mm) & WEIGHTS (kg)
A B
C
G
J
H
D
Dia.
Removable weatherproof control cover dimensions:
DE1 to DE7-ES 470mm W x 173mm H x 120mm D
K
L
Airflow
2 Standard Case Unit
Unit Code A B C 'D'
Dia. G H J K L Weight (kg)
DE1-ES(H) 605 567 237 150 370 150 100 560 609 25
DE2-ES(H) 605 703 304 200 370 150 100 560 746 25
DE2H-ES(H) 605 703 304 200 370 150 100 560 746 25
DE3-ES(H) 605 788 349 200 370 150 100 560 830 30
DE4-ES(H) 605 848 374 250 370 150 100 560 890 35
DE4H-ES(H) 605 848 374 250 370 150 100 560 890 40
DE5-ES(H) 605 992 414 315 370 150 100 560 1034 59
DE6-ES(H) 605 1100 459 400 370 150 100 560 1142 69
DE7-ES(H) 605 1208 504 400 370 150 100 560 1250 82
AB
C
Removable weatherproof control cover dimensions:
DE1A to DE7A-ES 470mm W x 173mm H x 120mm D
G
J
H
D
Dia.
KL
Airflow
3 Extended Case Unit
Unit Code A B C 'D'
Dia. G H J K L Weight (kg)
DE1A-ES(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(H) 1004 848 374 250 370 150 100 960 890 67
DE4HA-ES(H) 1004 848 374 250 370 150 100 960 890 67
DE5A-ES(H) 1004 992 414 315 370 150 100 960 1034 70
DE6A-ES(H) 1004 1100 459 400 370 150 100 960 1142 75
DE7A-ES(H) 1004 1208 504 400 370 150 100 960 1250 90
5.0 MECHANICAL INSTALLATION
Installation must be completed by competent persons, in accordance
with good industry practice and should conform to all governing and
statutory bodies i.e. IEE, CIBSE, etc.
Service / Maintenance Access – Unit must be installed with a
minimum of unit depth as additional clearance i.e. DS1A-NES
either allow 233mm above or below unit.
Access to the unit for maintenance is via the top or bottom lid, this
should be taken into account before installation takes place (see
important note).
Dave extract fans can be installed in any orientation. Units are supplied
complete with four support mounting brackets for quick and easy
installation, either surface mounted or suspended with drop rods.
4 Unit Mounting Brackets (M8)

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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
6.0 ELECTRICAL INSTALLATION
Isolation - Before commencing work, make sure that the unit and
Nuaire control are electrically isolated from the mains supply.
6.1 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, blowers and sensors are made at the factory. Remove link wire
if switched live signal, an enabler or BMS signal is connected.
6.2.1 DE1-7 with Standard Case (No Filter)
5 Wiring - DE1-7 with Standard Case (No Filter)
6.2.2 DE1-7 with Extended Case (G3 Filter)
6 Wiring - DE1-7 with Extended Case (G3 Filter)

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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).
7 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
8 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.
9 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: [phone].
LED indicators
Min Max SL run on
Trickle Test
10
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.

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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
6.5 Control Panel
Volt Free
0.5A inductive
Contact
RUN signal 5A resistive
Volt Free
Contact
FAULT signal
N
L
SL
DP
RUN FAULT
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
ECOSMART 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

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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
7.5 Unit Components
A
B
C
D
B
A E
13 Unit Components
Key Components
A Lid / Base
B Attenuation Pods (‘A’ models with extended case only)
C Attenuation Pods Retaining Clips (‘A’ models only)
D G3 Filter (‘A’ models with extended case only)
EWeather Cover for External Control Box Installation
(If required)
8.0 WARRANTY
The 5 year warranty starts from the day of delivery and includes parts
and labour for the first year. The remaining period covers replacement
parts only.
This warranty is void if the equipment is modified without
authorisation, is incorrectly applied, misused, disassembled, or not
installed, commissioned and maintained in accordance with the details
contained in this manual and general good practice.
The product warranty applies to the UK mainland and in accordance
with Clause 14 of our Conditions of Sale. Customers purchasing from
outside of the UK should contact Nuaire International Sales office for
further details.
Failure to maintain the unit as recommended will invalidate the
warranty.
9.0 END-OF-LIFE AND RECYCLING
Ensure that Nuaire product is made safe from any electrical / water
/ refrigerant supplies before dismantling commences. This work
should only be undertaken by a qualified person in accordance with
local authority regulations and guidelines, 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 other electrical
components can be segregated into WEEE recycling streams.
•Sheet metal parts, aluminium extrusion, heating/cooling coils and
other metallic items can be segregated and fully recycled.
•EPP, plastic ducting, nylon corner pieces, plastic heat exchangers,
packaging material and other plastic components can be
segregated into mixed plastic and widely recycled.
•Cardboard packaging, wood, used filters and other paper
components can be largely recycled or fully processed in energy
from waste centres.
•Remaining Items can be further segregated and processed in
accordance with the zero waste hierarchy. Please call After Sales
Support for further information on items not listed above.
10.0 AFTER SALES AND REPLACEMENT PARTS
For technical assistance or further product information, including spare
parts and replacement components, please contact the After Sales
Department.
If ordering spares please quote the serial number of the unit together
with the part number, if the part number is not known please give a full
description of the part required. The serial number will be found on the
identification plate attached to the unit casing.
Telephone [phone]
[e-mail]
Technical or commercial considerations may, from time to time,
make it necessary to alter the design, performance and dimensions
of equipment and the right is reserved to make such changes without
prior notice.

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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
DECLARATION OF INCORPORATION AND INFORMATION FOR SAFE INSTALLATION,
OPERATION AND MAINTENANCE
INFORMATION FOR SAFE INSTALLATION, OPERATION AND MAINTENANCE
OF NUAIRE VENTILATION EQUIPMENT
We declare that the machinery named below is intended to be assembled with
other components to constitute a system of machinery. All parts except for
moving parts requiring the correct installation of safety guards comply with the
essential requirements of the Machinery Directive. The machinery shall not be
put into service until the system has been declared to be in conformity with the
provisions of the EC Machinery Directive.
Designation of machinery: DAVE Ecosmart (ES) models
Machinery Types: Extract fans
Relevant EC Council Directives: 20006/42/EC (Machinery Directive)
Applied Harmonised Standards: BS EN ISO 12100, BS EN ISO 13857
EN60204-1, BS EN ISO 9001
Applied National Standards: BS848 Parts 1, 2.2 and 5
Signature of manufacture representatives:
Name: Position: Date:
1)C. Biggs Technical Director 28. 01. 15
2)A. Jones Manufacturing Director 28. 01. 15
To comply with EC Council Directives 2006/42/EC Machinery Directive and 2014/30/EU (EMC).
To be read in conjunction with the relevant product documentation (see 2.1)
1.0 GENERAL
1.1 The equipment referred to in this Declaration of Incorporation is supplied by Nuaire to be assembled into a
ventilation system which may or may not include additional components.
The entire system must be considered for safety purposes and it is the responsibility of the installer to ensure
that all of the equipment is installed in compliance with the manufacturers recommendations and with due
regard to current legislation and codes of practice.
2.0 INFORMATION SUPPLIED WITH THE EQUIPMENT
2.1 Each item of equipment is supplied with a set of documentation which provides the information required for
the safe installation and maintenance of the equipment.This may be in the form of a Data
sheet and/or Installation and Maintenance instruction.
2.2 Each unit has a rating plate attached to its outer casing. The rating plate provides essential data relating to the
equipment such as serial number, unit code and electrical data. Any further data that may be required will be
found in the documentation. If any item is unclear or more information is required, contact Nuaire.
2.3 Where warning labels or notices are attached to the unit the instructions given must be adhered to.
3.0 TRANSPORTATION, HANDLING AND STORAGE
3.1 Care must be taken at all times to prevent damage to the equipment. Note that shock to the unit may result in
the balance of the impeller being affected.
3.2 When handling the equipment, care should be taken with corners and edges and that the weight distribution
within the unit is considered. Lifting gear such as slings or ropes must be arranged so as not to bear on the
casing.
3.3 Equipment stored on site prior to installation should be protected from the weather 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 borne contaminants and unit orientation.
4.2 Where installation accessories are supplied with the specified equipment e.g. wall mounting brackets. They are
to be used to support the equipment only. Other system components must have separate
provision for support.
4.3 Flanges and connection spigots are provided for the purpose of joining to duct work systems. They must not be
used to support the ductwork.
4.4 Local Environment - Humidity. Ambient humidity (the humidity at the unit’s installed location) shall be
within the range: 10 to 95% (for controls, non-condensing). Air humidity (the humidity of
the air passing through the unit) shall be within the range: 10 to 95% (for controls, non-condensing).
5.0 INSTALLATION REQUIREMENTS
In addition to the particular requirements given for the individual product, the following general requirements
should be noted.
5.1 Where access to any part of equipment which moves, or can become electrically live are not prevented by
the equipment panels or by fixed installation detail (e.g. ducting), then guarding to the appropriate standard
must be fitted.
5.2 The electrical installation of the equipment must comply with the requirements of the relevant local electrical
safety regulations.
5.3 For EMC all control and sensor cables should not be placed within 50mm or on the same metal cable tray as
230V switched live, lighting or power cables and any cables not intended for use with this product.
6.0 COMMISSIONING REQUIREMENTS
6.1 General pre-commissioning checks relevant to safe operation consist of the following:
Ensure that no foreign bodies are present within the fan or casing.
Check electrical safety e.g. Insulation and earthing.
Check guarding of system.
Check operation of Isolators/Controls.
Check fastenings for security.
6.2 Other commissioning requirements are given in the relevant product documentation.
7.0 OPERATIONAL REQUIREMENTS
7.1 Equipment access panels must be in place at all times during operation of the unit, and must be secured with
the original fastenings.
7.2 If failure of the equipment occurs or is suspected then it should be taken out of service until a competent
person can effect repair or examination. (Note that certain ranges of equipment are designed to detect and
compensate for fan failure).
8.0 MAINTENANCE REQUIREMENTS
8.1 Specific maintenance requirements are given in the relevant product documentation.
8.2 It is important that the correct tools are used for the various tasks required.
8.3 If the access panels are to be removed for any reason the electrical supply to the unit must be isolated.
8.4 A minimum period of two minutes should be allowed after electrical disconnection before access panels are
removed.This will allow the impeller to come to rest. NB: Care should still be taken however since airflow
generated at some other point in the system can cause the impeller to “windmill” even when power is
not present.
8.5 Care should be taken when removing and storing access panels in windy conditions.
Note: All standards used were current and valid at the date of signature.