Water-Loo SDFC-125 Manual

SDFC Series for Plasterboard ceiling
Operating and Maintenance

2
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Operating and maintenance instructions
SDFC Series for Plasterboard 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:
1- Install the plenum box in its desired position prior to
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lower the plenum as required to give a dimension of
20 to 25mm from the proposed ceiling face (Figures
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the plenum in place using the lock nuts on the drop
rods.
2- After the ceiling has been installed, mark out the
required diffuser position then cut out the appropriate
clearance hole size (Figures 27KHUHFRPPHQGHG
hole sizes are as follows:
3- Offer up the diffuser into the ceiling opening
making sure that the stack on the rear of the diffuser
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(Figures 3
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remove its plastic cap and secure the diffuser to the
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in(Figures 3a
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distort to the diffuser face.
Figure 1: Install plenum box
Figure 2: Cut out clearance hole
Figure 3: Offer up diffuser to ceiling opening
Figure 3a: Screw diffuser in place
20 to 25mm
Proposed ceiling face
Model Cutout Size
SDFC-125 160
SDFC-160 200
SDFC-200 250
SDFC-250 300
SDFC-315 370
SDFC-400 460
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3
www.waterloo.co.uk Tel: [phone]
Operating and maintenance instructions
SDFC Series for Plasterboard ceiling
Plenum Installation:
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screw (Figures 4
Figure 4: Fit plastic cap over screw
Figure 5: Insert collar in ductwork
Figure 6: Position duct above the proposed ceiling
face location
Duct mount
bar this end
20 to 25mm
Proposed ceiling face position
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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supplied to order, and the installation instructions are
as follows:
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mount collar into the vertical section of the ductwork,
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2- Slide the collar up inside the ductwork until the end
of the ductwork is level with the top of the swage line
(Figures 56HFXUHWKHFROODUWRWKHGXFWZRUNE\SRS
riveting or screwing them together (Figures 5a
3- Install the ductwork in its desired position prior to
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dimension of 20 to 25mm from the bottom of the duct
mount collar to the proposed ceiling face (Figures 6
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ductwork in position using the lock nuts on the drop
rods.
Figure 5a: Secure collar in place
Drill and secure
as required Do not drill below this swageline or
damage to the diffuser could occur

4
www.waterloo.co.uk Tel: [phone]
Operating and maintenance instructions
SDFC Series for Plasterboard ceiling
Figure 8a: Screw diffuser to duct collar
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Figure 8: Offer diffuser into opening
Figure 7: Cut clearance hole
Duct Mount Installation
5- After the ceiling has been installed, mark out the
required diffuser position then cut out the appropriate
clearance hole size (Figures 7 7KH UHFRPPHQGHG
hole sizes are listed in the plenum installation
instructions.
6- Offer up the diffuser into the ceiling opening
making sure that the stack on the rear of the diffuser is
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8
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remove its plastic cap and secure the diffuser to the
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in (Figures 8a
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distort to the diffuser face.
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screw (Figures 9
Cleaning and Maintenance:
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Wipe down the blades and face of the diffuser and
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cut out size

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March 2019
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