Nua re recommend that attenuators have breakout
protect on and that flex ble connectors are f tted at nlet
attenuator entry and outlet attenuator ex t.
XBOXER. Packaged Supply and Extract
fans w th Heat Recovery
T e units comprise of an extract and supply fan wit associated
air filter, a plate eat exc anger and optional supplementary
eater (eit er electric or LPHW). T e unit is normally supplied
wit Ecosmart control for automated operation.
Units wit out controls are also available and are identified by
t e letters ‘NC’ after t e unit size. T e installer must select and
fit suitable control equipment to produce t e desired output.
T is includes t e valve, actuator and water circuit needed to
control any LPHW coil fitted.
Units are available wit side access or bottom access. Bottom
access units are identified by t e letters ‘BA’ in t e code.
Extract twinfan units are also available and are identified by
t e letters ‘T’ after t e unit size.
1.0 Cod ng
T e coding structure is: (e.g. XB2-RL-AE)
XB2-5 T (NC) - R/L - E/L/N BA
123 4 5 6
1. Unit Size
2. Extract Twinfan Option
3. No Control Option
4. Rig t or Left Handing
5. Electric or LPHW or No Heater
6. Bottom Access Option
1.1 Handl ng
Always andle t e units carefully to avoid damage and
distortion. Care must be taken to ensure t at any slings used
for oisting or lifting equipment employed does not damage
t e casing or t e control module components.
1.2 Un t Installat on
T e installation, including all external services and controls
s ould be installed in accordance wit t e appropriate aut ority
and must conform to all governing regulations e.g. CDM,
CIBSE, IEE, and in strict accordance wit t e applicable
Building Regulations.
T e fan must be fitted indoors, on a secure surface, away
from sources of water spray or steam generation.
The s de access un t s all be constructed wit removable
panels allowing full maintenance access from t e side.
T e unit s ould be installed by using 4 drop-rods and unistrut
bearers under t e unit (by ot ers figure 1).
W en installing t e unit ensure t at access is still available for
maintenance purposes and removal of filters.
The bottom access un t s all be constructed wit removable
panels allowing full maintenance access from t e bottom.
T e unit s ould be installed by using 4 drop-rods inserted
t roug t e rod oles located on t e four corners of t e fan
extrusion casing and fixed wit studs at t e top and bottom
of t e casing (see figure 2, 2a and 2b). Note that the un t s
only su table for hor zontal mount ng.
For systems wh ch
nclude supply fans
w th heat ng
other than where the
BMS (0-10V) has
control, the
appropr ate user
control s requ red.
1
Nua re L m ted Western Industrial Estate Caerp illy United Kingdom CF83 1NA
25. 01. 17. Leaflet Number 671440
The EMC D rect ve
2014/30/EU
The Low Voltage
D rect ve
2014/35/EU
XBOXER (XB2-5)
Supply & Extract fans wit Heat Recovery
Installation and Maintenance
Figure 1. Typical installation of t e unit viewed from above using
drop-rods and unistrut bearers under t e unit.
Note: Ensure t e access panels are not obstructed.
Figure 2. Typical installation of t e bottom access unit viewed from
above using drop-rods inserted t roug t e four rod oles located
in t e corners of t e extrusion casing.
Figure 2a. Drop-rod inserted
t roug a rod ole in t e extrusion.
Figure 2b. Drop-rod fixed wit
stud in t e base of t e extrusion.
