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Section 1. GENERAL INFORMATION - continued
DUCT / SPIGOT CONNECTIONS
FRESH AIR INLET CONNECTIONS
(Back or Base position)
Figure 1c
1284
=
24.5
DISCHARGE & RETURN AIR CONNECTIONS
Styles
(On Recessed / Chassis units only)
T
ELESCOPIC DUCT SECTION
1695
Figure 1e
10
Use where an adjustable short duct section is
required to connect to the Biddle linear grille.
The telescopic duct is sized to accept the
standard Biddle Air grille.
P
B
LENUM
OX
4 x 310
Pitches
Figure 1g
=
208.5
Page 4
=
211.5
100-160
=
5 x 200 DIA
Spigots
37 mm Deep
121
2 Standard Styles
Figure 1d
(optional – cannot
)
be used with attenuator
4 x 250
PITCHES
=
37
(S
) E
P
PIGOT
XTENSION
IECE
Figure 1f
1693
Use where the discharge or return air will
connect to the Biddle linear grille but the
connection needs to be longer than 160mm.
The spigot extention piece allows
connection of ducting (by others) of a cross -
section suitable for the Biddle grille.
Purpose made plenum box for
connection of circular ducting. Blanking
caps are available for spigots not used
but only one or two should be blanked at
any one time. Specially sized spigots are
available. Contact the sales office.
=
5 x 200 DIA
SPIGOTS
3 Optional
207
100
v2.1
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