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3

5. Drain connections must conform to local codes.

6. Installer must supply the following gas line fittings

according to which entrance is used:

Top

Two 90° Elbows
One Close Nipple

Left

One 90° Elbow

Right

One 90° Elbow
One 45° Elbow
One Close Nipple

Flame Sensor

Flame sensor output is 1 to 4 microamps at 115 volts.

Filters

Side Return Filters

Minimum Recommended Size

Size_Air Flow

Disposable*

Permanent*

045_30

1 - 24x24 (576) 1 - 16x25 (280)

070_30

1 - 24x24 (576) 1 - 16x25 (280)

070_40

2 - 16x25 (768) 1 - 16x25 (372)

090_35

2 - 14x25 (692) 1 - 16x25 (342)

090_50

2 - 20x25 (960) 2 - 16x25 (465)

115_50

2 - 20x25 (960) 2 - 16x25 (465)

*

Quantity - Inches (Total Minimum Surface Area in Square Inches)
Permanent filter sizes are as shipped with furnace. The minimum
permanent filter size area is based on allowable face velocity of 620
feet per minute.

Bottom Return Filter Sizes

Model Filter Size (Inches) Type

45

14 x 25 x 1

P

70

16 x 25 x 1*

P

90

20 x 25 x 1

P

115

20 x 25 x 1

P

P = Permanent

* As Shipped With Furnace

The figure below shows how the filter is retained over the
bottom return air opening.

Filter Retainer

Filter

Furnace Bottom

Filter Retainer

Accessibility Clearances (Minimum)

WARNING

To avoid death, personal injury or property
damage due to fire, clearances to combus-
tible surfaces  listed as below must be
observed.

36 inches front clearance is required for servicing or clean-
ing.

NOTE: In all cases, accessibility clearance must take
precedence over clearances from the enclosure where
accessibility clearances are greater.

CLEARANCES TO COMBUSTIBLE SURFACES

GUD_ MODEL FURNACES (Inches)

FRONT

3

TOP

1

RIGHT

1

FLUE

0

LEFT

1

FLOOR

C

REAR

0

----

----

   C = If placed on combustible floor, floor MUST be wood only.

High Altitude Installations

For installations above 4000 feet, please refer to your
Amana distributor for required kit(s).

Gas

Altitude

Kit

Orifice

Manifold

Pressure

Natural 0-4000 Ft.

None

#43

3.5" W.C.

Propane 0-4500 Ft. LPTK09

#55

10.0" W.C.

NOTE: In Canada, gas furnaces are certified to 4,500 feet
only.

IMPORTANT NOTES:

1. All furnaces have a redundant gas valve and blower

door interlock switch.

2. All furnaces are manufactured for use on 115 VAC, 60

Hz, single phase electrical supply.

3. IMPORTANT: While the data is presented as a guide,

it is very important to properly size fuses and wires and
make electrical connections in accordance with the
National Electrical Code and/or all existing local codes.

4. Performance figures are based on Department of En-

ergy information and requirements under continuous
operating conditions. Performance will vary with weather
conditions and use.

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