30
FORM 145.18-IOM1
ISSUE DATE: 8/30/2018
SECTION 1 - INSTALLATION
Front Supply Flange
(Optional)
Fresh Air Discharge
Collector Box
2.5-inch Return Air
Flange
4-inch Ø Fresh Air
Take-Off Intake
Left Hand Shown
(Right Hand Opposite Side)
A
A
2.5 inches
C
3 inches
Ø 7/8-inch
Power
Entrance
Ø 7/8-inch
Control
Entrance
(Knock-Out,
Both Sides)
Riser Opening
Knock-Outs
(All Three Sides)
Front Supply
(Optional)
Optional 24V
Molex Connection
for Surface Mount/
Remote Mounted
Thermostat
Unit Switch
Plate
B
CABINET DIMENSIONS (INCHES)
MODEL A B C
09–12 17 8 12
15–24 20 12 14
30–36 24 16 18
1. Optional fresh air option comes with 2.5-inch RA ange.
2. Optional front supply opening comes with 2.5-inch duct ange.
3. All other openings come with standard 1-inch duct ange.
4. Left and right hand versions shown.
LD27632
FIGURE 21 - FRESH AIR OPENING WITHOUT MOTORIZED DAMPER – LEFT AND RIGHT HAND UNIT SHOWN