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www.waterloo.co.uk
Tel: +44 (0) 1622 711500
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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Slide the collar up inside the ductwork until the end
of the ductwork is level with the top of the swage line
(Figures 5
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riveting or screwing them together (Figures 5a
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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
