Nuaire recommend that attenuators have breakout
protection and that flexible connectors are fitted at inlet
attenuator entry and outlet attenuator exit.
XBOXER. Packaged Supply and Extract
fans with Heat Recovery
The units comprise of an extract and supply fan with associated
air filter, a plate heat exchanger and optional supplementary
heater (either electric or LPHW). The unit is normally supplied
with Ecosmart control for automated operation.
Units without controls are also available and are identified by
the letters ‘NC’ after the unit size. The installer must select and
fit suitable control equipment to produce the desired output.
This includes the valve, actuator and water circuit needed to
control any LPHW coil fitted.
Units are available with side access or bottom access. Bottom
access units are identified by the letters ‘BA’ in the code.
Extract twinfan units are also available and are identified by
the letters ‘T’ after the unit size.
1.0 Coding
The coding structure is: (e.g. XB2-RL-AE)
XB2-5 T (NC) - R/L - E/L/N BA
1
2
3
4
5
6
1.
Unit Size
2. Extract Twinfan Option
3. No Control Option
4. Right or Left Handing
5. Electric or LPHW or No Heater
6. Bottom Access Option
1.1 Handling
Always handle the units carefully to avoid damage and
distortion. Care must be taken to ensure that any slings used
for hoisting or lifting equipment employed does not damage
the casing or the control module components.
1.2 Unit Installation
The installation, including all external services and controls
should be installed in accordance with the appropriate authority
and must conform to all governing regulations e.g. CDM,
CIBSE, IEE, and in strict accordance with the applicable
Building Regulations.
The fan must be fitted indoors, on a secure surface, away
from sources of water spray or steam generation.
The side access unit
shall be constructed with removable
panels allowing full maintenance access from the side.
The unit should be installed by using 4 drop-rods and unistrut
bearers under the unit
(by others figure 1).
When installing the unit ensure that access is still available for
maintenance purposes and removal of filters.
The bottom access unit
shall be constructed with removable
panels allowing full maintenance access from the bottom.
The unit should be installed by using 4 drop-rods inserted
through the rod holes located on the four corners of the fan
extrusion casing and fixed with studs at the top and bottom
of the casing (see figure 2, 2a and 2b).
Note that the unit is
only suitable for horizontal mounting.
For systems which
include supply fans
with heating
other than where the
BMS (0-10V) has
control, the
appropriate user
control is required.
1
Nuaire Limited
Western Industrial Estate Caerphilly United Kingdom CF83 1NA
T: 029 2088 5911 F: 029 2088 7033 E: [email protected] W: www.nuaire.co.uk
25. 01. 17. Leaflet Number 671440
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
XBOXER
(
XB2-5
)
Supply & Extract fans with Heat Recovery
Installation and Maintenance
Figure 1. Typical installation of the unit viewed from above using
drop-rods and unistrut bearers under the unit.
Note: Ensure the access panels are not obstructed.
Figure 2. Typical installation of the bottom access unit viewed from
above using drop-rods inserted through the four rod holes located
in the corners of the extrusion casing.
Figure 2a. Drop-rod inserted
through a rod hole in the extrusion.
Figure 2b. Drop-rod fixed with
stud in the base of the extrusion.
