Water-Loo SDFC Series Manual

SDFC Series for lay in ceiling
Operating and Maintenance

2
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Operating and maintenance instructions
SDFC Series for lay in ceiling
Product Description
SDFC Fixed Blade Swirl Diffusers
Tools Required
1 x Large cross head screwdriver
1 x Pop riveter
1 x ø3.5mm drill bit
1 x Power drill
Plenum Installation:
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grid by suspending it from its mounting holes with
drop rods (supplied by others). When the grid has
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(Figures 1).
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DOORZVXI¿FLHQWVSDFHWRLQVWDOOWKHWLOHFigures 2).
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position then cut out the appropriate clearance hole
size (Figures 3). The recommended hole sizes are as
follows:
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and in a sliding motion move it to the far end of the
opening (Figures 4).
Figure 1: Centralise plenum
Figure 2: Raise plenum box
Figure 3: Cut clearance hole in tile
Figure 4: Slide diffuser into opening
Model Cutout Size
SDFC-125 160
SDFC-160 200
SDFC-200 250
SDFC-250 300
SDFC-315 370
SDFC-400 460
Refer to table for
recommended size

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www.waterloo.co.uk Tel: [phone]
Operating and maintenance instructions
SDFC Series for lay in ceiling
Plenum Installation:
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the ceiling grid (Figures 5).
6- Lower the plenum box into the opening in the
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between 20 and 25mm from the tile face (Figures 6).
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into the tile opening making sure that the stack on the
rear of the diffuser is correctly located in the plenum
mounting collar (Figures 7 7DNH WKH ¿[LQJ VFUHZ
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and secure the diffuser to the plenum mounting bar
using hand tools only as shown in (Figures 7a). Take
care not to over tighten the screw as this could distort
to the diffuser face.
Figure 5: Lower diffuser into position
Figure 7: Offer diffuser up into opening
Figure 6: Lower plenum into opening
Figure 7a: Screw diffuser to plenum
20 to 25mm

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www.waterloo.co.uk Tel: [phone]
Operating and maintenance instructions
SDFC Series for lay in ceiling
Plenum Installation:
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screw (Figures 8).
9- This operation may cause the tile to be lifted off the
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the diffuser may not pull all the way up to the tile
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raising or lowering the assembly using the lock nuts
on the plenum drop rods until the desired effect is
DFTXLUHGFigures 9 and Figures 9a).
Figure 9a: Raise plenum to close gap
Figure 9: Lower plenum to close gap
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box on the drop rods
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box on the drop rods

5
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Operating and maintenance instructions
SDFC Series for lay in ceiling
Duct Mount Installation
An alternative method of installing this range of
diffusers is the use of a steel duct mount collar.
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connected directly to the rear of the diffuser.
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installation instructions are as follows:
1- Take the diffuser and place it face down on the
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2- Orientate the duct collar so that its mounting bar
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over the rear stack of the diffuser. Take care to ensure
that the stack is positively located within the collar
(Figures 10).
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supplied. Stand the diffuser on edge whilst still holding
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and secure the diffuser to the duct collar using hand
tools only (Figures 11). Take care not to over tighten
the screw as this could distort to the diffuser face.
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screw.
5- Lay the cut tile over the stack of the diffuser and
centralise its position. Take the ceiling mounting
brackets (Figures 12DQG¿[WKHPDURXQGWKHRXWVLGH
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pop rivets or self tapping screws as shown in (Figures
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and prevent any movement of the diffuser. Please
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Figure 10: Position duct collar on stack
Figure 12a: Fit mounting brackets
Figure 11: Screw diffuser to duct collar
Figure 12: Ceiling mounting bracket

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www.waterloo.co.uk Tel: [phone]
Operating and maintenance instructions
SDFC Series for lay in ceiling
Figure 13: Slide into ceiling grid
Figure 13a: Lower diffuser into place
Duct Mount Installation
6- Locate one end of the tile and diffuser into the
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far end of the opening (Figures 13).
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tee bars of the ceiling grid. (Figures 13a).
8- Rigid Ductwork
 a- Lower the ductwork on the drop rods to allow
it to slide over the exterior of the duct collar
(Figures 14). Anchor it in position using the lock
nuts on the supporting drop rods.
 b- Secure the ductwork by drilling through it and
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or screwing them in place (Figures 15). Do not
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the swage line as damage to the diffuser may
occur.
9- Flexible Ductwork
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outside of the duct collar and secure in place using a
worm drive hose clip.
Cleaning and Maintenance:
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Wipe down the blades and face of the diffuser and
leave to dry.
Figure 15: Secure ductwork in place
Figure 14: Lower the ductwork
Drill and secure
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Do not drill below this swageline or
damage to the diffuser could occur

7
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Waterloo Product Range
GRILLES
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blades designed to give performance whilst remaining aesthetically pleasing
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standard colour PPM9010 (20% Gloss White). The range is complemented by
the Aircell range of polymer Grilles.
DIFFUSERS
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from aluminium and can be ordered with or without plenum boxes for easy
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standard colour is PPM 9010 (20% Gloss White). This range is complemented
by the Aircell range of polymer Diffusers.
DISPLACEMENT
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EXTERNAL LOUVRES
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with birdscreen or insect screen options. All louvres are made to customer
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AIR VOLUME CONTROL DAMPERS
Pressure independent Variable Air Volume and Constant Air Volume dampers
made from zintec plate. Most volume dampers are regulated with an electronic
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via a mechanical device and calibrated before delivery. All volume dampers can
be ordered with a single or double (insulation) skin.
ACTIVE AND PASSIVE CHILLED BEAMS
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and cooling applications. These units have 4 pipe coils to allow heating and
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The design allows a large optimum capacity and also allows the customer to
specify the nozzle type and pitch for individual circumstances.
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standard
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EXTERNAL LOUVRES
Waterloo Product Range

All products conform to the Terms and Conditions of Waterloo Air
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Products plc reserve the right to alter products and prices without prior
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Copyright Waterloo Air Products plc 2019
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and other European Organisations and will display the
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Tel: [phone]
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email: [email protected].uk
internet: www.waterloo.co.uk
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Tel: [phone]
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internet: www.waterloo.co.uk
March 2019
FM 27823 EMS 590755