Amana AMH950905CXA Service Manual download pdf (Page 11)

FURNACE SPECIFICATIONS

1. These furnaces are manufactured for natural gas operation. Optional kits are available for conversion to propane operation.

2. For elevations above 2000 feet the rating should be reduced by 4% for each 1000 feet above sea level. The furnace must not be derated, orifice changes should only

be made if necessary for altitude.

3. The total heat loss from the structure as expressed in TOTAL BTU/HR must be calculated by the manufacturers method or in accordance with the "A.S.H.R.A.E.

GUIDE" or "MANUAL J-LOAD CALCULATIONS" published by the AIR CONDITIONING CONTRACTORS OF AMERICA. The total heat loss calculated should be equal

to or less than the heating capacity. Output based on D.O.E. test procedures.

4. Minimum Circuit Ampacity calculated as: (1.25 x Circulator Blower Amps) + I.D. Blower Amps.

Unit specifications are subject to change without notice.

ALWAYS refer to the units serial plate for the most up-to-date general and electrical information.

(1)

Wire size should be determined in accordance with National Electrical Codes. Extensive wire runs will require larger wire sizes.

(2)

Maximum Overcurrent Protection Device: May use Time Delay Fuse or HACR type Circuit Breaker of the same size as noted.

(3)

Off Heating - this fan delay timing is adjustable (100 and 150 seconds). Furnaces are shipped with 150 second off delay.

(4)

See Installation Instructions for appropriate vent diameter, length and number of elbows.

(5)

See Installation Instructions for appropriate combustion air pipe diameter, length and number of elbows.

NOTE: This data is provided as a guide, it is important to electrically connect the unit and properly size fuses/circuit breakers and wires in

accordance with all national and/or local electrical codes. Use copper wire only.

*MH95*****XA*

* Natural Gas BTU/h. For altitudes above 2,000’, reduce input rating 4% for each 1,000’ above sea level. Low-firerate is 75% of high-fire rate

MODEL

*MH95

0453BXA*

*MH95

0703BXA*

*MH95

0704CXA*

*MH95

0904CXA*

*MH95

0905CXA*

*MH95

0905DXA*

*MH95

1155DXA*

BTUH

Natural Gas Input

46,000 69,000 69,000 92,000 92,000 92,000 115,000

Natural Gas Output 44,200 66,300 66,300 88,400 88,400 88,400 110,500

LP Gas Input 41,400 62,100 62,100 82,800 82,800 82,800 103,500

LP Gas Output 39,800 59,700 59,700 79,600 79,600 79,600 99,500

A.F.U.E. 96.1% 96.1% 96.1% 96.1% 96.1% 96.1% 96.1%

Rated External Static (" w.c.) .20 - .50 .20 - .50 .20 - .50 .20 - .50 .20 - .50 .20 - .50 .20 - .50

Temperature Rise (°F) 35 - 65 30 - 60 35 - 65 30 - 60 30 - 60 35 - 65 35 - 65

ID Blower Pressure Switch Trip Point (" w.c.) -1.10 -0.95 -1.10 -1.20 -1.35 -1.10 -1.10

Front Cover Pressure Switch Trip Point (" w.c.) -0.37 -0.37 -0.37 -0.60 -0.10 -0.37 -0.60

Blower Wheel (D" x W") 10 x 8 10 x 8 10 x 10 10 x 10 11 x 10 11 x 10 11 x 10

Blower Horsepower 1/3 1/3 1/2 1/2 3/4 3/4 3/4

Blower Speeds 4444444

Max CFM @ 0.5 E.S.P. 1200 1200 1600 1600 1800 2000 2000

Power Supply 115-60-1 115-60-1 115-60-1 115-60-1 115-60-1 115-60-1 115-60-1

Minimum Circuit Ampacity (MCA)

(1)

9.4 9.4 13.8 13.8 13.2 13.2 13.2

Maximum Overcurrent Device

(2)

15.0 15.0 15.0 15.0 15.0 15.0 15.0

Transformer (VA) 40 40 40 40 40 40 40

Primary Limit Setting (°F) 150 160 160 150 130 160 160

Auxiliary Limit Setting (°F) 150 150 150 150 120 150 160

Rollout Limit Setting (°F) 200 200 200 200 210 200 200

Fan Delay On Heating 30 secs. 30 secs. 30 secs. 30 secs. 30 secs. 30 secs. 30 secs.

Off Heating

(3)

150 secs. 150 secs. 150 secs. 150 secs. 150 secs. 150 secs. 150 secs.

Fan Delay On Cooling 6 sec. 6 sec. 6 sec. 6 sec. 6 sec. 6 sec. 6 sec.

Off Cooling 45 secs. 45 secs. 45 secs. 45 secs. 45 secs. 45 secs. 45 secs.

Gas Supply Pressure (Natural/Propane) ("w.c.) 7 / 11 7 / 11 7 / 11 7 / 11 7 / 11 7 / 11 7 / 11

Manifold Pressure (Natural/Propane) ("w.c.) 3.5 / 10 3.5 / 10 3.5 / 10 3.5 / 10 3.5 / 10 3.5 / 10 3.5 / 10

Orifice Size (Natural/Propane) 43 / 55 43 / 55 43 / 55 43 / 55 43 / 55 43 / 55 43 / 55

Number of Burners 2334445

Vent Connector Diameter (inches)

(4)

2222222

Combustion Air Connector Diameter (inches)

(5)

2222222

Shipping Weight (lbs.) 120 123 125 144 146 151 163

1 2 ... 6 7 8 9 10 11 12 13 14 15 16

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Amana AMH950905CXA Service Manual Page 11

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