NuAire Limited,
Western Industrial Estate,
Caerphilly, Mid Glamorgan,
CF83 1XH. United Kingdom.
Telephone: 02920 885911
Facsimile: 02920 887033
Email: [email protected]
Leaflet 670679
AUGUST 1999
Axial Flow Fans
DuctMaster
Circular Bifurcated
Installation
and Maintenance
Contents
Page
Introduction / General Description
Dimensions
Installation
Silencer Information
Ancillaries Information
Fixing Details
Wiring Details
Spares & Service
1
.......
......................................
.......................................
..........................
.......................
...................................
...................................
................................
1
2
3
5
7
8
10
14
Fig. 1. General view of unit.
W
ARNING
!
1. D
O NOT REVERSE IMPELLER DIRECTION FOR OPERATION
AS THE PERFORMANCE OF THE UNIT IS DRASTICALLY
REDUCED
(
SEE START UP PROCEDURE
).
2. D
O NOT ALTER THE BLADE ANGLE OF THE IMPELLER
WITHOUT THE PERMISSION OF
N
U
A
IRE
.
T
HE ABOVE MAY INVALIDATE YOUR WARRANTY
Introduction
The NuAire DuctMaster bifurcated range of Axial Flow
Fans are produced in seven case sizes from 315mm dia. to
630mm dia. with duties from 0.25m
3
/s to 5.25m
3
/s.
The units are available in standard or high temperature
types.
Impellers have been selected at 5 degree blade intervals
matched to various motor speeds to provide a range of
units that will suit your specific individual performance
requirements.
Blades are adjustable and can be reset to suit final system
resistances if necessary. However, we strongly recommend
that you contact NuAire before any blade angle changes
are undertaken.
NuAire will not accept responsibility for damaged units
when unauthorised personnel have altered blade angles.
Units are available for both single or three phase operation.
Some units are suitable for inverter speed control, contact
NuAire for full details.
NuAire DuctMaster Bifurcated fans have been tested to
BS 848 in our BSI approved laboratories. This ensures that
all technical data is accurate and that all units can be speci-
fied with confidence.
General Description
The DuctMaster Bifurcated range of Axial Flow Fans has
been designed specifically for ease of installation into new
or existing ductwork systems. Each fan is supplied complete
with two matching flanges, self sealing clamping collars
and four mounting feet with fixings. The fan casing
incorporates two integral, opposed, mounting pads.
Each pad has multiple fixing holes for the feet allowing
installation in any mounting plane.
Anti-vibration Mounting kits are available on request.
The case flanges mate with ductwork etc using single bolt
quickfit clamping collars.
A full range of ancillaries is available including matching
Silencers, Flexible Connectors, Wall Support Brackets and
Controls.
Many fans are fully compatible with Microsave and
conventional controls (For controls see Data Sheet Leaflet
No 670673 for full details).
Ductmaster models are also available polyester powder
painted for external use.
Summary of Contents for DuctMaster DCB 315
Page 16: ...16...
