Aprilaire 1770A, 1750A Location Considerations, Install Unit Indoors Do not expose to elements

Models: 1770A 1750A

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LOCATION CONSIDERATIONS

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” 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)..

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..

 

 

 

 

 

 

 

 

 

Figure 2 – Dimensions and Location Considerations

20-3/4

2-1/2

(527)

(64)

 

9-1/2

 

(241)

3-7/8

 

(98)

 

 

Air Outlet

 

6-1/2

 

(165)

8 in.

 

 

 

Round

 

 

Collar

 

 

Damper

Fully Open

OFF/ON Switch

Drain

OFF

ON

1-1/4

10-3/8

(32)

(264)

24.00

(610)

Air Flow

Power Cord

2-1/2

20-3/4

(64)

(527)

 

11

 

(279)

9

(229)

19-5/8

(498)

Air Inlet

Wiring8 in.

Access Round

Collar

Filter Access

3

 

(Front and Back)

Adjustable Legs

 

(76)

 

OUTLET AIR END

Two Support Struts

for Suspending

(Bottom of Unit)

IF SUSPENDING THE UNIT, USE

TWO STRUTS TO SUPPORT THE

BASE ON THE OUTSIDE EDGES

OF THE FEET LOCATIONS.

20 in. (508mm) Minimum Clearance

for Filter and Front Panel

Removal (either side)

FRONT VIEW

SERVICE

CLEARANCE

TOP VIEW

OF UNIT

SERVICE

CLEARANCE

Max.

INLET AIR END

THERE MUST BE AT LEAST

20 IN. (508mm) OF CLEARANCE

ON EITHER SIDE FOR

FILTER REMOVAL

THERE MUST BE AT LEAST

12 IN. (305mm) OF CLEARANCE

ON BOTH ENDS FOR

CONTROL SETTINGS

3 in. (76mm) Minimum Clearance for Filter and Front Panel

Removal (either side)

1.Install Unit Indoors: Do not expose to elements.. 6 in. (152mm) Minimum Clearance for Filter and Front Panel

Removal (either side)

SUSPENDING AND SERVICE CLEARANCE

90-1545

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Aprilaire 1770A Location Considerations, Install Unit Indoors Do not expose to elements, Location Notes, Crawl Space