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AMV8/ADV8
TWO-STAGE
GAS-FIRED WARM AIR FURNACE
INSTALLATION INSTRUCTIONS
(CATEGORY 1)
Installer: Affix all manuals adjacent to the unit.
These furnaces comply with requirements
embodied in the American National
®
Standard / National Standard of Canada
ANSI Z21.47·CSA-2.3 Gas Fired Central
C US
Furnaces.
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
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Table of Contents I. WARNINGS ....................................................................................................................................................................... 4 TO THE OWNER ............................................................................................................................................................. 4 TO THE INSTALLER ..............................................................................................................
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Table of Contents XI. SEQUENCE OF OPERATION ........................................................................................................................................ 23 (INTEGRATED IGNITION CONTROL) ................................................................................................................................. 23 NORMAL HEATING SEQUENCE .................................................................................................................................
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I. WARNINGS TO THE INSTALLER Before installing this unit, please read this manual thoroughly to familiarize yourself with specific items which must be adhered to, WARNING including but not limited to: unit maximum external static pressure, gas pressures, BTU input rating, proper electrical connections, SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN circulating air temperature rise, minimum or maximum CFM, and OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE moto
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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, HIS PRODUCT CONTAINS OR PRODUCES A CHEMICAL OR CHEMICALS WHICH T etc.). If you come in contact with an ungrounded object, MAY CAUSE SERIOUS ILLNESS OR DEATH AND WHICH ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER repeat s
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Additional helpful publications available from the NFPA are, NFPA NOTE: The Commonwealth of Massachusetts requires that the 90A - Installation of Air Conditioning and Ventilating System and following additional requirements must also be met: NFPA 90B - Warm Air Heating and Air Conditioning System. • Gas furnaces must be installed by a licensed plumber or All venting shall be in accordance with PART 7, Venting of gas fitter. Equipment, of the National Fuel Gas Code, ANSI Z223.1, or • A T-handle g
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carbon tetrachloride ACCESSIBILITY CLEARANCE, WHERE GREATER, SHOULD TAKE PRECEDENCE OVER MINIMUM FIRE PROTECTION halogen type refrigerants CLEARANCE. A gas-fired furnace for installation in a residential cleaning solutions (such as perchloroethylene) garage must be installed so that the ignition source and burners printing inks are located not less than eighteen inches (18") above the floor paint removers and is protected or located to prevent physical damage by vehicles. A gas furnace must not
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The following vent testing procedure is reproduced from the American National Standard/National Standard of Canada for Gas-Fired Central Furnaces ANSI Z21.47b-2002, CSA-2.3b-2002 Section 1.23.1. The following steps shall be followed with each DRAFTS OR DEAD SPOTS HOT appliance connected to the venting system placed in operation, -BEHIND DOORS -IN CORNERS COLD -UNDER CABINETS while any other appliances connected to the venting system are not in operation: a.Seal any unused openings in the
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Chimney or Gas Vent NOTE: Each opening must have a free area of not less than one (b) Equipment shall be installed in a location in which the square inch per 1000 BTU of the total input rating of all equip- facilities for ventilation permit satisfactory combustion of ment in the enclosure, but not gas, proper venting and the maintenance of ambient less than 100 square inches. temperature at safe limits under normal conditions of use. Equipment shall be located so as not to interfere with Open
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Chimney or Gas Vent NOTE: The single opening must have Chimney or Gas Vent a free area of not less than one Ventilation louvers square inch per 3000 BTU of (each end of attic) the total input rating of all equip- NOTE: The inlet and outlet air ment in the enclosure, but not less than openings must each have a free the sum of the areas of all vent area of not less than one square connectors in the confined space. inch per 4000 BTU of the total input rating of all equipment in the enclosure. O
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VI. CATEGORY I VENTING (VERTICAL VENTING) WARNING TO PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION, THIS FURNACE MUST BE CATEGORY I VENTED. DO NOT VENT USING Supply CATEGORY III VENTING. Air Category I Venting is venting at a non-positive pressure. A furnace vented as Category I is considered a fan-assisted appliance and the vent system does not have to be “gas tight.” NOTE: Gas Upflow Rotated Induced Draft Blower furnaces with induced draft blowers draw products of co
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Researchers have discovered that the winter design temperatures Proper Chimney Line, terminate with have a direct impact on the suitability of this type of venting. In No Termination? listed vent cap most situations, the existing masonry chimneys will require a (Check 1) (Fix 1) properly sized metallic liner. Yes WARNING Chimney channel OSSIBILITY OF PROPERTY DAMAGE, PERSONAL INJURY OR DEATH P free of solid and Change venting DAMAGING CONDENSATION CAN OCCUR INSIDE MASONRY CHIMNEYS WHEN A No li
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10’ or Less 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 2’ Min. 2’ Min. 3’ Min. the crown is not satisfactory: a) Crown leaning b) Bricks missing Wall or Parapet c) Mortar missing d) Tile liner cracked Chimney e) No tile liner f) Salt staining at mortar joints. (White stains, and mortar becomes sandy and/or erodes.) 10’ or Less For problems a, b, or c, see Fix 3. If problems d,
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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 with a liner than would be required with a masonry the chimney must be lined (Fix 4). chimney. Use a flashlight and small mirror at the cleanout or vent connector to inspect the clay tile liner. If any of the following problems are For further information on relining, see Fix 4. present: FIX 2 -CHANGE VENTING ARRANGEMENTS • Tile sections misaligned If the mason
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Common sources of chlorine and fluorine compounds include indoor swimming pools and chlorine bleaches, CAUTION paint strippers, adhesives, paints, varnishes, sealers, waxes (which are not yet dried) and solvents used during LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. IRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. construction and remodeling. Various commercial and W VERIFY PROPER OPERATION AFTER SERVICING. industrial processes may also be sources of chlorine/ fluo
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1. Remove both doors from the furnace. As a two-stage furnace, the furnace integrated control module provides terminals for both “W1” and “W2”, and “YLO” and “Y” 2. Remove and save the screws holding the junction box to thermostat connections. This allows the furnace to support the the left side of the furnace. following system applications: ‘Two-Stage Heating Only’, ‘Two- 3. Models that have the junction box located in the blower Stage Heating with Single-Stage Cooling’, and ‘Two-Stage compar
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24 VOLT DEHUMIDISTAT WIRING Thermostat Two-Stage Heating The optional usage of a dehumidistat allows the furnace’s YLO W2 with circulator blower to operate at a slightly lower speed during a Two-Stage Cooling () W1 Y combined thermostat call for cooling and dehumidistat call for dehumidification. This lower blower speed enhances dehumidification of the conditioned air as it passes through the G R AC coil. For proper function, a dehumidistat applied to this furnace must operate on 24 VAC and ut
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115 VOLT LINE CONNECTION OF ACCESSORIES (HUMIDIFIER IX. GAS SUPPLY AND PIPING AND ELECTRONIC AIR CLEANER) GENERAL The furnace rating plate includes the approved furnace gas input WARNING rating and gas types. The furnace must be equipped to operate on the type of gas applied. This includes any conversion kits required for alternate fuels and/or high altitude. TO AVOID PERSONAL INJURY, ELECTRICAL SHOCK OR DEATH, DISCONNECT ELECTRICAL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING. CA
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Input = 1,000 (heating value of the gas) X 3600 (constant) / 52.6 Maximum Firing Rates at Altitude 3 of gas) (meter time for 1 ft Model (Kbtu/hr) 70 90 115 Input = 3,600,000 / 52.6 High Low High Low High Low Altitude Input = 68,400 Btu/h Fire Fire Fire Fire Fire Fire METER TIME IN MINUTES AND SECONDS FOR NORMAL INPUT 5,000 57,000 42,000 74,000 54,000 92,000 66,500 53,000 39,000 72,000 53,000 7,500 88,000 64,500 RATING OF FURNACES EQUIPPED FOR USE WITH NATURAL 10,000 52,000 37,500 71,000 49,000
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The following stipulations apply when connecting gas piping. PROPANE GAS CONVERSION Refer to Figure 16 for typical gas line connections to the furnace. • Use black iron or steel pipe and fittings for the building WARNING piping. • Use pipe joint compound on male threads only. Pipe joint POSSIBLE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH MAY OCCUR IF compound must be resistant to the action of the fuel used. THE CORRECT CONVERSION KITS ARE NOT INSTALLED. THE APPROPRIATE KITS • Use ground joint u
