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Amana GUI Installation Instructions Manual

Gas fired warm air furnace
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See also: User's Information Manual , Instruction and Installation Manual
GUI* & GCI*
Gas Fired Warm Air
Furnace

Table of Contents

I. Safety and Unit Location .............................................................. 3
II. General Information ...................................................................... 4
III. Air Requirements ......................................................................... 4
IV. Category I Venting (Vertical Venting) .......................................... 7
V. Masonry Chimneys ....................................................................... 9
VI. Gas Piping ................................................................................... 13
VIl. Electrical Wiring ......................................................................... 17
VIlI. Circulating Air and Filters ......................................................... 20
X. Start-Up and Adjustment .............................................................. 24
XI. Maintenance ................................................................................ 29
Amana Forced Air Central Furnace Design Complies With Requirements
Embodied in The American National Standard / National Standard of Canada
Shown Below.
ANSI Z21.47•CAN/CGA-2.3 Central Furnaces
As a professional installer you have an obligation to
know the product better than the customer. This
includes all safety precautions and related items.
Prior to actual installation, thoroughly familiarize your-
self 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 when the unit is in operation.
Effective: May 1996 (1)
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION
ATTENTION INSTALLING PERSONNEL
Amana Refrigeration, Inc.
Fayetteville, TN 37334
Installation Instructions
Affix this manual, Specification Sheet and Users
Information Manual adjacent to the furnace.
Remember, it is your responsibility to install the
product safely and to know it well enough to be able to
instruct a customer in its safe use.
Safety is a matter of common sense...a matter of
thinking before acting. Most dealers have a list of
specific good safety practices...follow them.
The precautions listed in this Installation Manual should
not supersede existing practices but should be consid-
ered as supplemental information.
10759815

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Summary of Contents for Amana GUI

  • Page 1: Table Of Contents

    IX. Sequence of Operation (Integrated Ignition Control) ....23 X. Start-Up and Adjustment .............. 24 XI. Maintenance ................29 Amana Forced Air Central Furnace Design Complies With Requirements Embodied in The American National Standard / National Standard of Canada Shown Below.

  • Page 2: To The Owner

    It is important that you fill out the owner’s registration If the information in these instructions is card and mail it today. This will assist Amana in con- not followed exactly, a fire or explosion tacting you should any service or warranty information may result causing property damage, change in the future.

  • Page 3: Safety And Unit Location

    • Do not install the furnace where the combustion air I. Safety and Unit Location is exposed to the following substances: permanent wave solutions, chlorinated waxes or cleaners, chlo- WARNING rine based swimming pool chemicals, water soften- ing chemicals, deicing salts or chemicals, carbon To prevent personal injury or death due tetrachloride, halogen type refrigerants, cleaning to improper installation, adjustment, al-...

  • Page 4: General Information

    • The furnace must be level. If the furnace is to be set Thermostat Location on a floor that may become wet or damp at times, the Locate the thermostat about 5 feet high on a vibration- furnace should be supported above the floor on a free inside wall, in an area having good air circulation concrete base sized approximately 1-1/2"...
  • Page 5 5.3.1 General: 5.3.3 Equipment Located in Confined Spaces: (a) All Air from Inside the Building: The confined space shall be (a) The provisions of 5.3 apply to gas utilization equip- provided with two permanent openings communicating ment installed in buildings and which require air for directly with an additional room(s) of sufficient volume so combustion, ventilation and dilution of flue gases from that the combined volume of all spaces meets the criteria...
  • Page 6 3. When communicating with the outdoors through horizontal ducts, each opening shall have a minimum free area of 1 square inch per 2,000 BTU per hour of total input rating of all equipment in the enclosure. (Figure 4) Figure 2 Equipment Located in Confined Spaces;...

  • Page 7: Category I Venting (Vertical Venting)

    When resizing any portion of the common venting sys- Common venting with specific Amana Category I 80% tem, use the appropriate table in Appendix G in the latest furnaces is allowed with the addition of a common vent kit edition of the National Fuel Gas Code, ANSI Z223.1.
  • Page 8 Counterflow units: As shipped, the induced draft blower 3. Remove and save the four screws which hold the discharges out the top of the furnace. (“Top” is as viewed rotation plate on the partition panel. Note that one of for an counterflow installation.) If desired, the induced the screws which hold the induced draft blower on the draft blower may be rotated 90 degrees counterclock- rotation plate needs to be removed.

  • Page 9: Masonry Chimneys

    Checklist Summary V. Masonry Chimneys This checklist serves as a summary of the items to be checked before venting an Air Command 80 furnace into WARNING a masonry chimney. In addition, we recommend that a qualified serviceman use this checklist to perform a Possibility of property damage, personal yearly inspection of the furnace venting system.
  • Page 10 Check 1 - Proper chimney termination. More than 10' A masonry chimney used as a vent for gas fired equip- ment must extend at least three feet above the highest point where it passes through the roof. It must extend at 3' Min.
  • Page 11 Use a flashlight and small mirror at the cleanout or vent Check 4 - Debris in Cleanout connector to inspect the clay tile liner. If any of the A cleanout (dropleg) must be present such that the upper following problems are present: edge of the cleanout cover is at least 12 inches below the lower edge of the lowest chimney inlet opening.
  • Page 12 If, in the judgment of the local gas utility, installer, and/or Fix 4 - Relining. local codes; one or more of the above factors is likely to Relining options include B vent and flexible liners. present a problem, the chimney must be relined. (Fix 4) If the chimney has diagonal offsets, B vent probably cannot be used.

  • Page 13: Gas Piping

    For sizing of flexible liners, see Note 22 and the tables in VI. Gas Piping the National Fuel Gas Code, NFPA 54 / ANSI Z223.1 - The rating plate is stamped with the model number, type latest edition and in the National Standard of Canada, of gas and gas input rating.
  • Page 14 Connecting Gas Piping - Natural Gas Upflow Installations Refer to Figure 11 for the general layout at the furnace. When the gas piping enters through the right side of the The following rules apply: furnace , the installer must supply the following fittings (starting from the gas valve): 1.
  • Page 15 Counterflow Installations When the gas piping enters through the left side of the furnace, the installer must supply a straight pipe to reach the exterior of the furnace. (Figure 17) Figure 14 Gas Inlet Through Furnace Left Side (Upflow) Figure 17 Gas Inlet Through Left Side (Counterflow) A ground joint union, drip leg, and manual shutoff valve...
  • Page 16 All propane gas equipment must conform to the safety Checking Gas Piping standards of the National Board of Fire Underwriters (See NBFU Manual 58). CAUTION For satisfactory operation, propane gas pressure must To prevent personal injury or property be 10 inch W.C. at the furnace manifold with all gas damage due to fire, the following instruc- appliances in operation.

  • Page 17: Vil. Electrical Wiring

    VIl. Electrical Wiring Propane Gas Piping Charts Sizing Between First and Second Stage Regulator Maximum Propane Capacities listed are based on 2 psig pressure drop at 10 psig setting. WARNING Capacities in 1,000 BTU/hour. Pipe or Nominal Pipe Size To prevent death or personal injury due Tubing Tubing Size, O.D.
  • Page 18 As shipped, the junction box is attached to the left side of 9. Attach the junction box to the right side of the furnace, the furnace (as viewed for an upflow installation). If this using the screws removed in step 2. is suitable for your installation, no changes are neces- 10.
  • Page 19 Accessory Installation: Air Circulation Fan Timing All items in this section refer to the air circulation fan, not Follow the electronic air cleaner and humidifier manufac- to the induced draft fan. The timing sequence for the turers’ instructions for mounting and electrically ground- induced draft fan is not adjustable.

  • Page 20: Vili. Circulating Air And Filters

    The following chart shows recommended minimum filter VIlI. Circulating Air and Filters sizes for each furnace model. Larger sizes are also acceptable. Ductwork - Air Flow Duct systems and register sizes must be properly de- Minimum Recommended Filter Sizes signed for the C.F.M. and external static pressure rating Qty.
  • Page 21 NOTE: For easier filter inspection and replacement, the Horizontal Installations installer may wish to provide a removable panel in the Filter(s) must be installed external to the furnace casing. front of the return air plenum. Using a central return with filters installed in the duct behind the return air grille allows filters to be replaced by just removing the grille.
  • Page 22 Heating Timing Chart for Integrated Ignition Control Normal Heating Operation Air Circulation Blower Induced Draft Blower Open Gas Valve Closed Ignitor Closed Pressure Switch Open Combustion Blower Thermostat Seconds* 0 17 21 24 60, 90, 120, or 15 or 180 * Timings may vary ±2 seconds.

  • Page 23: Sequence Of Operation (Integrated Ignition Control)

    2. System Lockout IX. Sequence of Operation If flame is not sensed during the first 7 seconds after (Integrated Ignition Control) the gas valve was energized, the control turns off the gas. There will then be a 60 second delay with the Normal Heating Sequence induced draft blower energized to purge the heat 1.

  • Page 24: Start-Up And Adjustment

    G. If a drawn into the heat exchanger. In GUI(-) furnaces in- call for heat occurs, the blower will run at heating speed throughout the heating cycle.
  • Page 25 3. As shipped, the rollout protection device is located 6. Secure rollout wires to manifold and insure no wires near the flame sensor end of the manifold assembly. can come in contact with burners or other hot sur- Remove and save the mounting screws. faces.

  • Page 26: Gas Valves

    12. Set the room thermostat to the desired temperature. WARNING NOTE: There is an approximate 20 second delay be- To prevent death, personal injury or prop- tween thermostat energizing and burner firing. erty damage due to fire, follow these directions for the auxiliary limit control. If Gas Valves the auxiliary limit control opens, it may be reset one time only.
  • Page 27 Check the Manifold Pressure Check Gas Input and Pressures A tapped opening is provided in the gas valve to facilitate Gas supply pressure and manifold pressure with the measurement of the manifold pressure. See the “Outlet burners operating must be as specified on the rating Pressure Tap”...
  • Page 28 Check Temperature Rise Check High limit Control Check the temperature rise through the unit by placing thermometers in supply and return air registers as close WARNING to the furnace as possible. Thermometers must not be To prevent death, personal injury, prop- able to “see”...

  • Page 29: Maintenance

    XI. Maintenance Air Filter - Upflow Furnaces If the filter is in the furnace retaining rails, remove it as follows: Pull off the non-louvered door. The blower motor WARNING will automatically stop through the interlock switch. To prevent death or personal injury due Grasp the lower portion of the filter, lift up to disengage to electric shock, disconnect electrical it from the lower railing, move towards blower, drop filter...
  • Page 30 Air Filter - Counterflow Furnaces A furnace mounted filter rack, shipped with the furnace, can be used in counterflow installation. The furnace-mounted filter rack includes a rack mounted on the top of the furnace. Two filters fit into the rack and rest against the sides of the return air plenum, forming a “V”...
  • Page 31 3. Parts are available from your Amana distributor Gas Valve Blower/Box Gasket Periodically during the heating season make a visual...

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GciGui seriesGci series

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