NuAire AVT Series Installation And Maintenance Manual

1.0 INTRODUCTION
Units are rectangular in section and have circular rigid spigots at each
end. Four matching mounting feet are supplied with the unit.
The unit shall be double skinned with 35mm infill panels and shall be
manufactured from heavy gauge, corrosion resistant Aluzinc steel,
internally lined with acoustic material.
Fully detachable panels for maintenance/service and manometer test
points.
The fan should be with an 'inline assembly', positioned in series for
optimum performance.
Units 1 - 6 incorporate a full size access panel fitted to the bottom
face which is fully detachable for inspection purposes. The underside
access panel can be slid in either direction with-out removal, if required
(Section 6.1).
Units 7 - 9 incorporate a split access panel fitted to the bottom face
which is fully detachable for inspection purposes. Each split access
panel can be moved and opened individually and slid in either direction
without removal, if required (Section 6.2).
1.1 Code description:
AVT CP 1
1. Range: Twin Aire-Volve Range
2. Control Type: = Standard Ecosmart Classic
CP = Constant Pressure
3. Case Size: 1, 2, 3, 4, 4L, 5, 6, 7, 8, 9
1 General view - AVT (1 - 6)
floor mounted with four
mounting feet and top
access
2.0 HANDLING
Handle the units carefully to avoid damage and distortion. If
mechanical aids are used to lift the unit, spreaders should be employed
and positioned so as to prevent the slings, webbing etc. making contact
with the casing.
3.0 MECHANICAL INSTALLATION
The installation must be carried out by competent personnel in
accordance with the appropriate authority and conforming to all
statutory and governing regulations.
The units are supplied for installation into In-line ductwork (internal)
applications only. The method of mounting used is the responsibility of
the installer.
AVT / AVTCP
Aire-Volve Direct Drive Indoor Twin Fans
Installation and Maintenance
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1 2 3
Units should always be positioned with sufficient space to allow the
access panel to extend forward (Figure 4).
All ductwork connections must be airtight to prevent loss of
performance.
The unit has an external case side mounted control module/ terminal
box and is supplied ready for connection into the electrical supply. The
control is mounted on the side of the unit as standard but its position
can be changed to the other side of the unit if required, fixings by others
(Section 5.1).
As an option, an umbilical cord can be purchased for remote mounting
up to 1m away (Figures 6 & 7). Umbilical Cord Kit Code: AVT-CK.
The units can be mounted in any of the below attitudes.
3.1.1 Surface Mounted
Utilising four matching AV mounting feet. The mounting feet can be
employed in surface or suspended applications (Figure 12).
3.1.2 Suspended with Drop-rods
Hanging from the ceiling or in the ceiling void using four AV mounting
feet supplied, access panel positioned for underside access (Figures 9
and 10).
3.1.3 Vertically Wall Mounted (sizes 1-6 only)
Utilising hanging wall brackets and hinges (Figures 6 & 7). Vertical
Mounting Kit Code: AVT(1-6)-VK.
2 Typical ceiling void installation (AVT 1 - 6)
3 Typical ceiling void installation showing
underside access (AVT 1 - 6)
11. 11. 19. Document Number 671565
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
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