—20—
4.72”
(120)
ØA
B
ØA
Ø C
Duct connection flange
Clip
1/4" (6 mm) neoprene gasket
Insulated flexible duct
Fresh air intake
Conditioned air supply to an
adjacent room
Polystyrene partition
Baffle (619FNF018 only)
Frame
Wall
Undercut door
Wall-fitted grille
Door-fitted grille
Air intake grille
Unit 619FNF018
619FNF024, 03036
619FNQ01824, 03036
Ø A 5-29/32"(150 mm) 5-29/32"(150 mm)
B4-3/4"(120 mm) 4-3/4"(120 mm)
Ø C 2-3/4"(70 mm) 3-15/16"(100 mm)
4.14”
(105)
1.93”
(49)
8.50”
(216)
Note:
Dimensions in ( ) are in mm.
Fig. 30 — Installation Options
NOTE: Dimensions in ( ) are in mm.
Supply air duct to adjacent room
Airflow (cfm)
erusserp citats lanretxE (in.wg)
050 100 150 200
619FNF018, 024
619FNQ01824
0.18
250
0.16
0.14
0.12
0.1
0.08
0.06
0.04
0.02
619FNF, FNQ03036
0
NOTE: When two louvers are closed, the fresh airflow towards the adjacent room is 50% higher than when
one louver is closed (with equal static external pressure).
Fig. 31 — Pressure Drop for Conditioned Air Supply to an Adjacent Room: One Louver Closed