
Service/Maintenance Access – Unit must be installed with a
minimum of unit depth as additional clearance i.e DE1-BC
either allow 233mm above or below unit.
DAVE Extract Fans
The Dave range of in-line backward curve fans consisting of
9 duty sizes with a maximum of 1.1m
3
/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.
1.0 Fan Unit Coding Descriptions
2.0 Handling
Always handle the units carefully to avoid damage and distortion.
Care must be taken to ensure any slings used for hoisting do not
damage the casing or the control module components (BC models).
Note: The weight of the unit is on the rating plate.
Figure 1: Typical lifting methods.
3.0 Installation
Installation must be carried out by competent personnel, in
accordance with good industry practice, the appropriate authority
and in conformance with all statutory and governing regulations.
Access to the unit for maintenance is via the top or bottom lid,
therefore this should be taken into account before installation
takes place (See important note below).
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.
Figure 2: Units supplied with four mounting brackets with
1 x M8 hole in each.
4.0 Motor Details
Unit Code
Voltage
Input
Start
f.l.c.
Nominal
phase
power
current
(amps)
fan
frequency
(kW)
(amps)
speed
DE1-BC/DE1A-BC
230/1/50
0.03
0.27
0.27
3770
DE2-BC/DE2A-BC
230/1/50
0.088
0.75
0.75
3200
DE2H-BC/DE2HA-BC
230/1/50
0.17
1.4
1.4
4060
DE3-BC/DE3A-BC
230/1/50
0.17
1.4
1.4
2860
DE4-BC/DE4A-BC
230/1/50
0.17
1.35
1.35
2550
DE4H-BC/DE4HA-BC
230/1/50
0.49
2.2
2.2
3700
DE5-BC/DE5A-BC
230/1/50
0.5
2.2
2.2
2250
DE6-BC/DE6A-BC
230/1/50
0.45
2.9
2.9
1710
DE7-BC/DE7A-BC
230/1/50
0.775
3.5
3.5
1650
60
O
C (sizes 1-5), 40
O
C (sizes 6-7) maximum permissable air temperature
passing over motor.
The EMC Directive
2004/108/EC
The Low Voltage
Directive
2006/95/EC
Nuaire Limited
Western Industrial Estate Caerphilly United Kingdom CF83 1NA
T: 029 2085 8400 F: 029 2085 8444 E: [email protected] W: www.nuaire.co.uk
1
09. 04. 15. Leaflet Number 671680
DAVE Extract Fans (BC Models)
For Internal and External use
Installation, Operating & Maintenance Instructions
DE1-BC
| | | |
1 2 3 4
1. DAVE Range
2. Extract fan
3. Case: standard
size (1-7))
4. Control
BC = Basic control
DE4HA-BC
| | | | | |
1 2 3 4 5
6
1. DAVE Range
2. Extract fan
3. Case: size (1-7)
4. H = High pressure
fan (Size 2 & 4 only)
5. Extended case
6. Control
BC = Basic control
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.