NuAire NALT-H Series Installation And Maintenance

Introduction
The NALT-H unit is supplied with a pre-wired terminal box
and an IP44 rated, class B insulated motor. The fans are
designed to convey clean air with a maximum temperature
up to 60 Deg.C (40 Deg.C - model NALT-315-H).
Do not operate the fan in the presence of inflammable vapours
(alcohol etc).
An adequate supply of fresh air must be provided if the fan is to
be fitted in a room with a gas burning appliance which is not of
the balance flue type.
Fig. 1.
Code descriptions
NALT - 100H
| | |
1 2 3
1. Centrifugal Tube Fan Range
2. Case Size
3. H = High Performance

1.0 Handling

Always handle the fans carefully to avoid damage and
distortion. Care should be taken to ensure that any slings used
for lifting purposes do not damage the casing, connection box,
impeller or inlet cone.

2.0 Installation

Installation must be carried out by a competent person in
accordance with the appropriate authority and conforming to all
statutory and governing regulations i.e. IEE, CIBSE, COSHE etc.
From the fan rating plate, observe the weight of the unit and
select the mounting position and structure that can support
the unit.
These fans are not for stand-alone use. They are designed to be
incorporated into ducted systems, machines or where safe
operation has been ensured by providing applicable protection
to moving parts.
This unit is not designed for external use. Before installing
ensure the impeller is running freely and there are no
obstructions to the airflow.
A robust mounting foot is available as an accessory, to ease
installation.
Nuaire: A Trading Division of Polypipe Limited Western Industrial Estate Caerphilly United Kingdom CF83 1NA
T: 029 2088 5911 F: 029 2088 7033 E: info@nuaire.co.uk W: www.nuaire.co.uk
NALT-H FANS
Metal Cased Centrifugal Fans
Installation and Maintenance
1
3.0 Dimensions (mm) & Weights (kg)
Fig. 2.
B
Code A B
NALT-100H 194 23
NALT-125H 195 27
NALT-150H 214 24
NALT-200H 223 25
NALT-250H 206 27
NALT-315H 230 25

4.0 Technical Data

Code Nom Max
speed adsorbed adsorbed air volume pressure temp
power
(W)
NALT-100H 2500 78
NALT-125H 2450 80
NALT-150H 2700 120
NALT-200H 2600 170
NALT-250H 2750 180
NALT-315H 2700 350
Isolation - Before commencing work make sure
that the unit, and any control are
electrically isolated from the mains supply.
The EMC Directive
2014/30/EU
The Low Voltage
directive
2014/35/EU
D C
B
A
C D Weight
(Kg)
243 98 3
243 123 3
333 147 5
333 198 5
333 248 6
401 312 8
Max Max Sound
3
current (m /s) level
(A) dbA @3m
0.33 0.077 47
0.35 0.12 47
0.53 0.19 50
0.72 0.27 52
0.80 0.31 54
1.45 0.52 55
27. 01. 17. Leaflet Number 671372
Max
( o C)
60
60
60
60
60
50