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AMH95
G
-F
AS
IRED
I
NSTALLATION
(Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace)
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all safety
Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety
warnings. Often during installation or repair it is possible to place yourself in a position which is more hazardous than
Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety
The precautions listed in this Installation Manual are intended as supplemental to existing practices. However, if there is
a direct conflict between existing practices and the content of this manual, the precautions listed here take precedence.
IO-297
W
A
ARM
IR
I
NSTRUCTIONS
Installer: Affix all manuals adjacent to the unit.
These furnaces comply with requirements
embodied in the American National Stan-
dard / National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central Fur-
naces.
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
precautions and related items.
when the unit is in operation.
practices...follow them.
*NOTE: Please contact your distributor or our
website for the applicable product data book
referred to in this manual.
®
is a trademark of Maytag Corporation and is used under
license to Goodman Company, L.P. All rights reserved.
© 2006 Goodman Company, L.P.
F
URNACE
in its safe use.
www.amana-hac.com
®
C
US
6/06

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   Summary of Contents for Amana AMH95

  • Page 1

    AMH95 IRED URNACE NSTALLATION NSTRUCTIONS Installer: Affix all manuals adjacent to the unit. (Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace) These furnaces comply with requirements embodied in the American National Stan- ® dard / National Standard of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central Fur-...

  • Page 2: Table Of Contents

    Table of Contents I. Component Identification ............................... 5 II. Safety ....................................6 (ESD) P ....................6 LECTROSTATIC ISCHARGE RECAUTIONS III. Product Application ..............................6 IV. Location Requirements & Considerations ......................... 7 ................................. 7 ENERAL ........................... 8 LEARANCES AND CCESSIBILITY ............................8 URNACE USPENSION ..........................

  • Page 3: Table Of Contents

    Table of Contents XIV. Startup Procedure & Adjustment ..........................27 ..........................27 NTICIPATOR ETTING ............................27 RAIN RIMING ............................27 URNACE OPERATION ......................27 UPPLY RESSURE EASUREMENT .................. 28 ANIFOLD RESSURE EASUREMENT AND DJUSTMENT ) ..................28 NPUT EASUREMENT ATURAL ............................

  • Page 4

    WNER WARNING It is important that you fill out the owner’s registration card and mail it today. This will assist us in contacting you should any service or F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A warranty information change in the future. When filling in the regis- FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL tration card, be sure to include the model, manufacturing, and serial INJURY OR LOSS OF LIFE.

  • Page 5: I. Component Identification

    I. COMPONENT IDENTIFICATION Upflow/Horizontal Gas Valve 18 Coil Front Cover Pressure Tap Gas Line Entrance (Alternate) 19 Coil Front Cover Drain Port Pressure Switch 20 Drain Line Penetrations Gas Manifold 21 Drain Trap Combustion Air Intake Connection / “Coupling” 22 Blower Door Interlock Switch Hot Surface Igniter 23 Capacitor Rollout Limit...

  • Page 6: Ii. Safety, Iii. Product Application, Recautions

    II. SAFETY 4. Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if Please adhere to the following warnings and cautions when in- installing the control on a furnace. Return any old or new stalling, adjusting, altering, servicing, or operating the furnace.

  • Page 7: Iv. Location Requirements & Considerations, G Eneral

    NOTE: Do not connect the temporary duct directly to the IV. LOCATION REQUIREMENTS & CONSIDERATIONS furnace. The duct must be sized according to the ENERAL instructions under Section V, Combustion and Ventilation Air Requirements, Section 5.3.3. WARNING • The furnace heat exchanger, components, duct system, air filters and evaporator coils are thoroughly cleaned following final construction clean up.

  • Page 8: R Emoval

    paint removers URNACE USPENSION varnishes If suspending the furnace from rafters or joists, use 3/8" threaded hydrochloric acid rod and 2”x2”x1/8” angle iron as shown below. The length of rod cements and glues will depend on the application and the clearances necessary. antistatic fabric softeners for clothes dryers PROVIDE 8"...

  • Page 9: V. Combustion & Ventilation Air Requirements

    Corrections must be in accordance with the latest edition of the If this furnace is to be installed in the same space with other gas appliances, such as a water heater, ensure there is an adequate National Fuel Gas Code NFPA 54/ANSI Z223.1 and/or CSA B149 supply of combustion and ventilation air for the other appliances.

  • Page 10

    5.3.3 Equipment Located in Confined Spaces: Chimney or Gas Vent Ventilation louvers (a) All Air from Inside the Building: The confined space shall be pro- (each end of attic) vided with two permanent openings communicating directly with NOTE: The inlet and outlet air an additional room(s) of sufficient volume so that the combined openings must each have a free area of not less than one square...

  • Page 11: Vi. Installation Positions, Vii. Horizontal Applications & Considerations, G Eneral, Line

    5. When directly communicating with the outdoors, the single open- ing shall have a minimum free area of 1 square inch per 3,000 LOCATION BTU per hour of total input rating of all equipment in the enclo- sure. 5.3.4 Specially Engineered Installations: The requirements of 5.3.3 shall not necessarily govern when special engineering, approved by the authority having jurisdiction, provides an adequate supply of air for combustion, ventilation, and dilution of flue...

  • Page 12: Viii. Propane Gas /high Altitude Installations, Ix. Vent/flue Pipe & Combustion Air Pipe, G Eneral

    VIII. PROPANE GAS /HIGH ALTITUDE INSTALLATIONS WARNING OSSIBLE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH MAY OCCUR IF THE CORRECT CONVERSION KITS ARE NOT INSTALLED. HE APPROPRIATE KITS MUST BE APPLIED TO INSURE SAFE AND PROPER FURNACE OPERATION. CONVERSIONS MUST BE PERFORMED BY A QUALIFIED INSTALLER OR SERVICE AGENCY.

  • Page 13: Vent/

    It is the responsibility of the installer to follow the manufacturers’ ERMINATION OCATIONS recommendations and to verify that all vent/flue piping and con- NOTES: Refer to Section IV, Location Requirements and nectors are compatible with furnace flue products. Additionally, it Considerations for combustion air contaminant restrictions.

  • Page 14: R Equirements, C Onnections

    OMBUSTION ANADIAN ENTING EQUIREMENTS IRECT NSTALLATIONS In Canada, venting must conform to the requirements of the cur- On upflow units secure the combustion air intake pipe directly to rent CAN/CSA-B149 Installation Code. Use only CSA listed two or the air intake coupling. NOTE: Because of probable material con- three inch diameter PVC or ABS pipe, solvent cement, and fittings flicts, do not use other commercially available “no hub connec- throughout.

  • Page 15

    FLANGE SECURE TO ID BLOWER WITH 3.75" RUBBER COUPLING SECURE TO AND HOSE CABINET WITH CUT HERE CLAMPS SCREWS 5. Remove plastic plug from alternate vent/flue location. Relocate and install plug in standard vent/flue location (top UPFLOW/HORIZONTAL cover). 6. Insert cut section of vent/flue pipe and coupling into alternate Alternate Vent/Flue Location vent/flue location.

  • Page 16

    90º Non-Direct Vent (Single Pipe) MEDIUM RADIUS (1) (2) ELBOWS Maximum Allowable Length of Vent/Flue Pipe (ft) Pipe (3) (5) Models Number of Elbows Size (kBtu_Tons) 12" MIN. (inc.) TO ROOF OR HIGHEST ANTICIPATED SNOW LEVEL 045_3 070_3 070_4 Not Recommended Alternate Vertical Termination (Single Pipe) 090_4 WALL...

  • Page 17

    If the combustion air intake pipe is to be installed above a finished ceiling or other area where dripping of condensate will be objec- tionable, insulation of the combustion air pipe may be required. 12" MIN Use 1/2” thick closed cell foam insulation such as Armaflex or 3"...

  • Page 18: X. Condensate Drain Lines & Drain Trap, G Eneral

    In a basement installation, the pipes may be run between the joist • The drain line between furnace and drain location must spaces. If the pipes must go below the joist and then up into the maintain a 1/4 inch per foot downward slope toward the last joist space to penetrate the header, two 45°...

  • Page 19

    RUBBER ELBOW RUBBER (EXTERNALLY FRONT COVER ELBOW RUBBER MOUNTED) DRAIN PORT DRAIN PORT FRONT COVER ELBOW DRAIN PORT RED HOSE RUBBER SILVER HOSE CLAMP CLAMP ELBOW DRAIN PORT HOSE A TUBE 1 GREEN HOSE CLAMPS SILVER HOSE SIDE PANEL (3 PLACES) CLAMP DRAIN HOSE B...

  • Page 20

    INDUCED RED HOSE DRAFT BLOWER CLAMP DRAIN PORT HOSE A FRONT HOSE B HOSE B COVER PRESSURE SIDE PANEL FRONT HOSE A GROMMET COVER HOLES PRESSURE RIGHT GREEN HOSE SIDE CLAMPS PANEL TUBES 2 (3 PLACES) RUBBER ELBOW GREEN DRAIN PORT LEFT SIDE TUBE(S) 2 HOSE...

  • Page 21: Xi. Electrical Connections

    XI. ELECTRICAL CONNECTIONS NOTE: Wire routing must not to interfere with circulator blower operation, filter removal, or routine maintenance. WARNING CAUTION O AVOID THE RISK OF ELECTRICAL SHOCK, WIRING TO THE UNIT MUST BE POLARIZED AND GROUNDED. DGES OF SHEET METAL HOLES MAY BE SHARP. SE GLOVES AS A PRECAUTION WHEN REMOVING HOLE PLUGS.

  • Page 22: G Eneral

    If it is necessary for the installer to supply additional line voltage 24 V HERMOSTAT IRING wiring to the inside of the furnace, the wiring must conform to all NOTE: Wire routing must not interfere with circulator blower local codes, and have a minimum temperature rating of 105°C. All operation, filter removal, or routine maintenance.

  • Page 23

    In some areas the gas supplier may artificially derate the gas in an Natural Gas Capacity of Pipe effort to compensate for the effects of altitude. If the gas is artifi- In Cubic Fe e t of Gas Pe r Hour (CFH) Length of Nominal Black Pipe Size cially derated, the appropriate orifice size must be determined...

  • Page 24: Piping, Model]

    • IRECT TANDARD NLET IPING Use listed gas appliance connectors in accordance with their instructions. Connectors must be fully in the same When gas piping enters directly to the gas valve through the stan- room as the furnace. dard inlet hole, the installer must supply straight pipe with a ground joint union to reach the exterior of the furnace.

  • Page 25: Xiii. Circulating Air & Filters

    All propane gas equipment must conform to the safety standards XIII. CIRCULATING AIR & FILTERS of the National Board of Fire Underwriters, NBFU Manual 58. For satisfactory operation, propane gas pressure must be 11 inch UCTWORK w.c. at the furnace manifold with all gas appliances in operation. Duct systems and register sizes must be properly designed for the Maintaining proper gas pressure depends on three main factors: CFM and external static pressure rating of the furnace.

  • Page 26

    CUT USING TIN SNIPS COOLING AIRFLOW REQUIREMENT (CFM) PRESS OUT BY HAND 1000 1200 1400 1600 2000 0453BXA 388* 388* 0703BXA 647* 647* 647* 0704CXA 583* 583* 0904CXA 863* 863* 863* 863* CUT FOUR CORNERS AFTER REMOVING SHEET 0905DXA 777* 777* 777* METAL...

  • Page 27: Xiv. Startup Procedure & Adjustment, S Etting, F Urnace Operation

    XIV. STARTUP PROCEDURE & ADJUSTMENT UPPLY RESSURE EASUREMENT Furnace must have a 115 VAC power supply properly connected and grounded. Proper polarity must be maintained for correct op- CAUTION eration. In addition to the following start-up and adjustment items, refer to further information in Section XVI, Operational Checks. O PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE, THE INLET GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT RATING PLATE NTICIPATOR...

  • Page 28: A Djustment

    NOTE: If measuring gas pressure at the drip leg, a field supplied 13. Turn outlet pressure test screw in to seal pressure port hose barb fitting must be installed prior to making the hose (clockwise, 7 in-lb minimum). connection. If using the inlet pressure boss on the gas valve, 14.

  • Page 29: Power Up, Heating Mode, Peed

    1. Operate furnace with burners firing for approximately ten 5. Turn ON power to furnace. minutes. Ensure all registers are open and all duct 6. Verify proper temperature rise as outlined in Section XIV, dampers are in their final (fully or partially open) position. Startup Procedure and Adjustment - Temperature Rise.

  • Page 30: Cooling Mode, Burner Flame, Xvii. Safety Circuit Description, G Eneral

    • Furnace circulator blower and outdoor cooling unit run, DIP S “2 STG” WITCH IS SET TO POSITION integrated control module monitors safety circuits The normal operational sequence in sequence is as follows: continuously. • R and W thermostat contacts close, initiating a call for heat. •...

  • Page 31: A Uxiliary L Imit, Rollout Limit, Xviii. Troubleshooting, Module, L Ockout

    3. Service integrated control module or connecting wiring NTEGRATED ONTROL ODULE following the discharge process in step 2. Use caution not The integrated control module is an electronic device which, if a to recharge your body with static electricity; (i.e., do not move potential safety concern is detected, the module will take the nec- or shuffle your feet, do not touch ungrounded objects, etc.).

  • Page 32: B Urners

    XIX. MAINTENANCE ORIZONTAL ILTER EMOVAL Filters in horizontal installations are located in the central return register or the ductwork near the furnace. WARNING To remove: O AVOID ELECTRICAL SHOCK, INJURY OR DEATH, DISCONNECT ELECTRICAL 1. Turn OFF electrical power to furnace. POWER BEFORE PERFORMING ANY MAINTENANCE.

  • Page 33: Xxi. Before Leaving An Installation, Xxii. Repair & Replacement Parts

    3. Disconnect the flue pipe system from the induced draft blower. Front of Furnace Front of Furnace 4. Remove the induced draft blower and, drain and pressure tap hoses from the recuperator coil front cover. 5. Remove the recuperator coil front cover to expose the coil tubes and turbulators.

  • Page 34: Troubleshooting Charts

    Troubleshooting Chart Associated Associated Symptoms of Abnormal Fault Description(s) Possible Causes Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code LED Code • Furnace fails to operate. NONE • No 115 volt power to • Manual disconnect switch •...

  • Page 35

    Troubleshooting Chart Associated Symptoms of Abnormal Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code • Circulator blower runs • Primary or auxiliary • Check primary/ • Turn power OFF • Insufficient conditioned air continuously. No furnace limit circuit is open.

  • Page 36: Wiring Diagram

    WIRING DIAGRAM AMH95 STAGE DELAY MODE HEAT DELAY NOTE 6 ID-N COOL-H TO 115VAC/ 1 Ø /60 HZ POWER SUPPLY WITH STEADY ON = NORMAL OPERATION = CONTROL FAILURE 1 FLASH 2 FLASHES = PRESSURE SWITCH STUCK CLOSED 3 FLASHES = PRESSURE SWITCH STUCK OPEN...

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