Aprilaire 1750A - Central Installation and Operation; Required Components; Optional Components

FIGURE 2 – Dimensions and Location Considerations
20-3/4
(527)
24.00
(610)
9-1/2
(241)
10-3/8
(264)
1-1/4
(32)
6-1/2
(165)
OFF
ON
Air Outlet
8 in.
Round
Collar
OFF/ON Switch
Drain
2-1/2
(64)
3-7/8
(98)
Damper
Fully Open
Filter Access
(Front and Back)
Power Cord
Air Flow
2-1/2
(64)
20-3/4
(527)
11
(279)
9
(229)
19-5/8
(498)
3
(76)
Max.
Wiring
Access Door
(Access to wiring terminals
and dip switch settings)
Adjustable Legs
OUTLET AIR END FRONT VIEW
(SERVICE SIDE)
INLET AIR END
SUSPENDING AND SERVICE CLEARANCE
TOP VIEW
OF UNIT
THERE MUST BE AT LEAST
12 IN. (305mm) OF CLEARANCE
ON BOTH ENDS FOR
CONTROL SETTINGS
IF SUSPENDING THE UNIT, USE
TWO STRUTS TO SUPPORT THE
BASE ON THE OUTSIDE EDGES
OF THE FEET LOCATIONS.
Two Support Struts
for Suspending
(Bottom of Unit)
3 in. (76mm) Minimum Clearance for Filter
and Front Panel Removal
20 in. (508mm) Minimum Clearance
for Filter Removal
6 in. (152mm) Minimum Clearance
for Filter Removal
Air Inlet
8 in.
Round
Collar
Service Access
Panel
SERVICE
CLEARANCE
FILTER CLEARANCE
90-1545
TABLE 1 – Location Notes
Requirement
Application Location
Attic Garage Basement Crawl Space
All ductwork must be
insulated and sealed.
Drain pan with overflow
protection placed under unit.
LOCATION CONSIDERATIONS
1. Install Unit Indoors: Do not expose
to elements.
2. Drain Accessibility: A condensate
pump may be required if a drain is not
located in the installation area.
3. Power: Outlet within 8 ft. of unit.
4. Filter Access: Allow for 20” minimum
of clearance on one side of unit for
removal of filter (see Figure 2).
5. Inlet: Allow for 12” of clearance to
access control and control door/wiring
access (see Figure 2).
6. Service Access: Allow clearance to
remove side panel and gain access for
service.
4