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Swirl diffuser
DRS
Installation and
Maintenance
NAD Klima®
144 Léger St, Sherbrooke (Qué) J1L 1L9
(819) 780-0111
1 866 531-1739
www.nadklima.com
CONFIGURATION
The
different layouts possible with DRS
meet many requirements. The variety of
sizes available meet the most exacting
performance needs.
DRS - R - 100
DRS - Q - 100/300
DRS - Q - 100/603
The DRS is installed directly on the air duct
via an adapted connector. It can be set up
with a square front plate (12"X12" or
24"X24")
DRS - R - 125
DRS - Q - 125/300
DRS - Q - 125/603
DRS - R - 180
DRS -Q - 180/300
DRS -Q - 180/603
DRS -Q - 215/300
DRS - R - 215
DRS - Q - 215/603
DRS - R - 250
DRS - Q - 250/603
DRS - R - 315
DRS - Q - 315/603
DRS - R - 355
DRS - Q - 355/603
2
COMPOSITION AND METHOD OF OPERATION
conduit
Structure
The DRS air diffuser is composed of a front
plate (1) with blades that are integrated into
the exit of the diffuser (2).The diffuser is held
up by a concealed central screw (3).
raccord adapté
(spigot)
Operation
The blades divide the airflow into numerous
single high-induction airflows. The blades
integrated into the exit of the diffuser
ensure a horizontal air flow even at a slow
rate, while cooling up to a minimum of 25%
in variable air volume (VAV).
MAINTENANCE
LThe diffuser DRS of NAD Klima requires no
special maintenance other than periodic
cleaning.
We recommend cleaning the diffuser with a
multi-filament brush or duster microfiber that
you will pass softly on the diffuser. Thermolacquered finish for easy cleaning of the diffuser
as dust does not stick to it.
3
INSTALLATION IN A CEILING GYPSUM
DRS-Q
A) Opening in the gypsum
Choose one of the three (3) options
instalation shown at right.
Option 1 et 2
Calculate the dimensions of the diffuser
- Add 13 mm (1/2 ") in width and
13 mm (1/2 ") in length
- Cut the square in the gypsum
corresponding to these measures
(Diffuser size + 13 mm)
- Around this hole, insert a plaster frame
and fix it
NOTE : Make sure the final square hole is
13 mm (1/2 ") wider than the diffuser.
Option 3
Calculate the dimensions of the diffuser
- Remove 13 mm (1/2”)
- Cut the square in the gypsum
corresponding to these measures
(Diffuser size - 13 mm)
- Around this hole, insert a plaster frame
and fix it
NOTE : Make sure the final square hole is
13 mm (1/2 ") smaller than the diffuser.
B) Install the plenum
The plenum will be suspended through
four (4) suspension holes provided for
this purpose and use a metal wire.
As indicated in the drawing to the right,
install the plenum by adjusting its
height ;
according to option 1 and 2, the base of
the plenum must enter 1/8 " in the hole
or, option 3, the base plenum will press
the drywall outside the hole
Option 1
diffuser flush with the ceiling
Plenum
Gypsum
Diffuser
Plaster frame
Option 2
diffuseur on T frame
Plenum
Gypsum
Diffuser
Plaster frame
Option 3
diffuser under the ceiling
Gypsum
Plaster frame
Diffuser
Plenum
Suspension
hole
.
Cross
bar
.
Balancing
Damper
Diffuser
DRS-Q
C) Install the diffuser
Place the diffuser and fix it with the
anchor screws provided for this
purpose, in the cross bar at the center
of the plenum
anchor
screw
4
Plenum
INSTALLATION IN A CEILING GYPSUM
DRS-R
Option 1
A) Opening in the gypsum
Choose one of the two (2) options
instalation shown at right.
Option 1
- Measure the diameter ( ØD ) of the
diffuser
- ADD 1/2 inch or (13 mm)
- Cut a circle in the gypsum equivalent to
this new measure [ ØD+1/2 inch (13 mm)]
- Around this hole, place the gypsum
guide and fix it.
Note : Make sure that the final diameter of
the hole is well from 6.5 to 10 mm (1/4 "to
3/8") wider than the diameter of the
diffuser.
Option 2
- Measure the diameter (ØD) of the diffuser
- REMOVE 1/2 inch or (13 mm)
- Cut a circle in the gypsum equivalent to
this new measure [ØD-1/2 inch (13 mm)]
- Around this hole, place the gypsum
guide and fix it.
Note : Make sure that the final diameter of
the hole is well 13 mm to 19 mm (1/2 "to
3/4") smaller that the diameter of the
diffuser.
diffuser flush with the ceiling
Gypsum
Plenum
Diffuser
Plaster frame
Option 2
diffuser below the ceiling
Gypsum
Plaster frame
Plenum
Diffuser
Plenum
Hanging
plate (3)
Cross bar
Diffuseur
DRS
B) Install the plenum box
The plenum shall be hanged by the
hanging plate (3) with metal wire.
As shown in the drawing on the right,
install the plenum and adjust its height;
according to option 1, the base of the
plenum must enter 1/8 "into the hole.
Or, according to option 2, the base of
the plenum will press gypsum outside
the hole.
Anchor
screw
Gypsum
C) Install the diffuser
Fix the diffuser using the anchor screw
provided for this purpose, in the
center of the cross-piece in the plenum.
Plaster frame
5
INSTALLATION IN A SUSPENDED CEILING
DRS
A) Grids moulding
Make sure that the grid moldings of the
suspended ceiling match the
dimensions of the diffuser face.
Also, make sure that the moldings of
ceiling are firmly anchored.
Diffuser
B) Install the diffuser to the plenum box
Place the diffuser in the plenum and
using the screw anchors provided for
this indeed, in the center through
internal plenum
C) Install the plenum and the diffuser
Slowly move the diffuser and plenum
box in the ceiling space.
Important
Secure the support by suspending the
plenum by four (4) holes of suspension
provided for this purpose with
metal wire.
Plenum
Gypsum
Grid moulding
Plenum
Hole for
suspension
.
.
Cross bar
Anchor
screw
Pannel of suspended ceiling
6
Grid
moulding