Amana GUSA Technical Information download pdf (Page 7)

7 Rev. 2

PRODUCT DESIGN

3. Conversion kits for high altitude natural or propane gas

operation are available. See High Altitude Derate chart

for details.

4. Installer must supply the following gas line fittings, de-

pending on which entrance is used:

Left -- Two 90º Elbows, one close nipple, straight pipe.

Right -- Straight pipe to reach gas valve.

Accessibility Clearances (Minimum)

POSITION* FRONT SIDES REAR TOP FLUE FLOOR

pflow 10010C

Horizontal

Alcove 6 0 4 0 C

MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS

(INCHES)

* = All positioning is determined as installed unit is viewed from the front.

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

36" at front is required for servicing or cleaning.

Note: In all cases accessibility clearance shall take prece-

dence over clearances from the enclosure where accessi-

bility clearances are greater. All dimensions are given in

inches.

High Altitude Derate

When this furnace is installed at high altitude, the appropri-

ate High Altitude orifice kit must be installed. This is re-

quired due to the natural reduction in the density of both

the gas fuel and combustion air as altitude increases. The

kit will provide the proper design certified input rate within

the specified altitude range.

MODEL

NUMBER

0 to

7,000 ft.

7,001 to

11,000 ft.

7,001 to

11,000 ft.

7,001 to

11,000 ft.

GUSA***BX**

LPTK09

Propane

Conversion Kit

(#55 Orifices)

HANG16

High Altitude

Natural Gas Kit

(#44 Orifices)

HALP13

High Altitude

LP Gas Kit

(#56 Orifices)

HAPS30

High Altitude Pressure

Switch Kit

PROPANE AND HIGH ALTITUDE KITS

High altitude kits are purchased according to the installa-

tion altitude and usage of either natural or propane gas.

Refer to the chart above for a tabular listing of appropriate

altitude ranges and corresponding manufacturer’s high al-

titude Natural Gas and Propane Gas kits. For a tabular list-

ing of appropriate altitude ranges and corresponding

manufacturer's High Altitude Pressure Switch kits, refer to

either the Pressure Switch Trip Points & Usage Chart in

this manual or the Accessory Charts in Service Instruc-

tions.

General Operation

This GUSA furnace is equipped with an electronic ignition

device used to light the burners and an induced draft blow-

er to exhaust combustion products.

An interlock switch prevents furnace operation if the blower

door is not in place. Keep the blower access door in place

except for inspection and maintenance.

This furnace is also equipped with a self-diagnosing elec-

tronic control module. In the event a furnace component is

not operating properly, the control module LED will flash

on and off in a factory-programmed sequence, depending

on the problem encountered. This light can be viewed

through the observation window in the blower access door.

Refer to the Troubleshooting Chart for further explanation

of the LED codes and Abnormal Operation - Integrated Ig-

nition Control section in the Service Instructions for an ex-

planation of the possible problem.

The rated heating capacity of the furnace should be greater

than or equal to the total heat loss of the area to be heated.

The total heat loss should be calculated by an approved

method or in accordance with “ASHRAE Guide” or “Manual

J-Load Calculations” published by the Air Conditioning Con-

tractors of America.

*Obtain from: American National Standards Institute 1430

Broadway New York, NY 10018

Location Considerations

• The furnace should be as centralized as is practical

with respect to the air distribution system.

• Do not install the furnace directly on carpeting, tile,

or combustible material other than wood flooring.

• When suspending the furnace from rafters or joists,

use 3/8" threaded rod and 2” x 2” x 3/8” angle as

shown in the Installation and Service Instructions. The

length of the rod will depend on the application and

clearance necessary.

• When installed in a residential garage, the furnace

must be positioned so the burners and ignition source

are located not less than 18 inches (457 mm) above

the floor and protected from physical damage by ve-

hicles.

Notes:

1. Installer must supply one or two PVC pipes: one for

combustion air (optional) and one for the flue outlet (re-

quired). Vent pipe must be either 2” or 3” in diameter,

depending upon furnace input, number of elbows, length

of run and installation (1 or 2 pipes). The optional Com-

bustion Air Pipe is dependent on installation/code re-

quirements and must be 2” or 3” diameter PVC.

2. Line voltage wiring can enter through the right or left

side of the furnace. Low voltage wiring can enter through

the right or left side of furnace.

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Amana GUSA Technical Information Page 7

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