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These furnaces comply with requirements
embodied in the American National Standard
®
/ National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central
US
C
Furnaces.
INSTALLATION & OPERATING
INSTRUCTIONS for AMV8
GAS FIRED WARM AIR FURNACE
2-STAGE
(CATEGORY 1)
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all
safety precautions and related items.
Prio
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Table of Contents I. Warnings .......................................................................................................................................................................... 3 TO THE OWNER ................................................................................................................................................ 4 TO THE INSTALLER ........................................................................................................................
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Table of Contents NORMAL COOLING SEQUENCE ........................................................................................................................... 21 CONSTANT FAN ............................................................................................................................................... 22 XII. Start-up Procedure and Adjustment ......................................................................................................................... 22 FURNACE
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TO THE INSTALLER WARNING Before installing this unit, please read this manual thoroughly to familiarize yourself with specific items which must be adhered to, SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN including but not limited to: unit maximum external static pressure, OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE gas pressures, BTU input rating, proper electrical connections, TURNING OFF THE ELECTRICAL SUPPLY. circulating air temperature rise, minimum o
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3. Service integrated control module or connecting wiring WARNING following the discharge process in step 2. Use caution not to recharge your body with static electricity; (i.e., do not move or shuffle your feet, do not touch ungrounded objects, etc.). THIS PRODUCT CONTAINS OR PRODUCES A CHEMICAL OR CHEMICALS WHICH MAY CAUSE SERIOUS ILLNESS OR DEATH AND WHICH ARE KNOWN TO THE If you come in contact with an ungrounded object, repeat STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER ste
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National Fire Protection Association • Provisions must be made for venting combustion products 1 Batterymarch Park outdoors through a proper venting system. The length of Quincy, MA 02269 flue pipe could be a limiting factor in locating the furnace. • Ensure adequate combustion air is available for the furnace. CSA International Improper or insufficient combustion air can expose building 8501 East Pleasant Valley occupants to gas combustion products that could include Cleveland, OH 44131 carbon
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ACCESSIBILITY CLEARANCE,WHERE GREATER, SHOULD Section 1.23.1. The following steps shall be followed with each TAKE PRECEDENCE OVER MINIMUM FIRE PROTECTION appliance connected to the venting system placed in operation, CLEARANCE. A gas-fired furnace for installation in a residential while any other appliances connected to the venting system are garage must be installed so that the ignition source and burners not in operation: are located not less than eighteen inches (18") above the floor and a
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Consult the instructions packaged with the thermostat for mounting safety exhaust, odor control, and air for compressors. instructions and further precautions. (d) In addition to air needed for combustion, air shall be supplied for ventilation, including all air required for comfort and V. COMBUSTION AND VENTILATION AIR REQUIREMENTS proper working conditions for personnel. (e) While all forms of building construction cannot be covered WARNING in detail, air for combustion, ventilation and diluti
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(b) All Air from Outdoors: The confined space shall be provided Chimney or Gas Vent with two permanent openings, one commencing within 12 inches of the top and one commencing within 12 inches of the bottom of the enclosure. The openings shall NOTE: The air duct openings communicate directly, or by ducts, with the outdoors or must have a free area of not spaces (crawl or attic) that freely communicate with the less than one square inch per outdoors. 2000 BTU of the total input rating of all equip
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5.3.5 Louvers and Grilles: Upflow or Horizontal units are shipped with the induced draft blower discharging from the top of the furnace. (“Top” is as viewed In calculating free area in 5.3.3, consideration shall be given for an upflow installation.) The induced draft blower can be rotated to the blocking effect of louvers, grilles or screens protecting 90 degrees for Category I venting (Figure 3). For horizontal openings. Screens used shall not be smaller than 1/4 inch installations, a four i
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This inspection is based upon a draft topical report, “Masonry VII. EXTERIOR MASONRY CHIMNEYS - Chimney Inspection and Relining”, issued by the Gas Research CATEGORY I FURNACES ONLY Institute. While not yet finalized, we believe this report represents An exterior masonry chimney is defined as a “Masonry chimney the best information on this subject which is currently available. exposed to the outdoors on one or more sides below the roof line.” The ability to use a clay lined masonry chimney dep
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CHECK 3 - CHIMNEY CROWN CONDITION. Damage from condensate usually shows up first in the crown. If any of the following trouble signs are present, the condition of the crown is not satisfactory: a) Crown leaning b) Bricks missing c) Mortar missing d) Tile liner cracked e) No tile liner f) Salt staining at mortar joints. (White stains, and mortar becomes sandy and/or erodes.) For problems a, b, or c, see Fix 3. If problems d, e, or f are present, see Fix 4. IMPORTANT: It may be necessary to follow
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If a metal liner is not present, a clay tile liner must be present, or In some cases, a shorter extension above the roof may be possible the chimney must be lined (Fix 4). with a liner than would be required with a masonry chimney. Use a flashlight and small mirror at the cleanout or vent connector For further information on relining, see Fix 4. to inspect the clay tile liner. If any of the following problems are FIX 2 -CHANGE VENTING ARRANGEMENTS present: If the masonry chimney has more than on
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include indoor swimming pools and chlorine bleaches, paint WARNING strippers, adhesives, paints, varnishes, sealers, waxes (which are not yet dried) and solvents used during TO AVOID THE RISK OF INJURY, ELECTRICAL SHOCK OR DEATH, THE FURNACE construction and remodeling. Various commercial and MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR, industrial processes may also be sources of chlorine/ IN THEIR ABSENCE, WITH THE LATEST EDITION OF THE NATIONAL ELECTRIC fluorine compounds.
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burner compartment will need to move the juction box Low voltage connections can be made through either the right or directly over. left side panel. Thermostat wiring entrance holes are located in the blower compartment. The following figure shows connections for 4. Attach the junction box to the right side of the furnace, using a “heat only” system and “heat/cool system”. the screws removed in step 2. 5. Check the location wiring. Confirm that it will not be This furnace is equipped with a 40
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3. Secure the dehumidistat hot wire (typically the black lead) to the screw terminal marked “R” on the furnace integrated control module. Thermostat Diagrams 4. Secure the dehumidistat ground wire (typically the green SETTING THE HEAT ANTICIPATOR lead) to the ground screw on the furnace junction box. NOTE: Ground wire may not be present on all The following method should be used in measuring the amp dehumidistats. draw of the control circuit to assure proper adjustment of the thermostat heat an
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All field wiring must conform to applicable codes. Connections NOTE: Adjusting the minimum supply pressure below the limits should be made as shown in the following illustration. in the above table could lead to unreliable ignition. Gas input to the burners must not exceed the rated input shown on the rating Control Module plate. Overfiring of the furnace can result in premature heat exchanger failure. Gas pressures in excess of 13 inches water Neutral 120 VAC Hot 120 VAC column can also caus
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3 1,000 Btu/ft is determined by- WARNING Corrected Input = 90,000 - (6,000 X .04) X (90,000 / 1,000) Corrected Input = 90,000 - (240 X 90) POSSIBLE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH MAY OCCUR IF Corrected Input = 90,000 - 21,600 THE CORRECT CONVERSION KITS ARE NOT INSTALLED. THE APPROPRIATE KITS Corrected Input = 68,400 MUST BE APPLIED TO INSURE SAFE AND PROPER FURNACE OPERATION. ALL CONVERSIONS MUST BE PERFORMED BY A QUALIFIED INSTALLER OR SERVICE Using the orifices sized as shown in th
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• Install a drip leg to trap dirt and moisture before it can enter need to supply a transition piece from 1/2" to another pipe size. the gas valve. The drip leg must be a minimum of three When the gas piping enters through the left side of the furnace, inches long. the installer must supply the following fittings (starting from the • Install a 1/8" NPT pipe plug fitting, accessible for test gage gas valve): connection, immediately upstream of the gas supply • Straight pipe to reach the exterior
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Sizing Between Single or Second Stage Regulator and Appliance* For satisfactory operation, propane gas pressure must be 11 inch Maximum Propane Capacities Listed are Based on 1/2" W.C. pressure drop at 11" W.C. setting. WC at the furnace manifold with all gas appliances in operation. Capacities in 1,000 BTU/hour. Maintaining proper gas pressure depends on three main factors: Pipe or Nominal Pipe Size Tubing Tubing Size, O.D. Type L Schedule 40 1. Vaporization rate, depending on temperature of t
