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AMV9/ACV9
TWO-STAGE VARIABLE SPEED
GAS-FIRED WARM AIR FURNACE
INSTALLATION INSTRUCTIONS
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 Standard
®
/ National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central Furnaces.
C
US
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation t
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Table of Contents I. Component Identification ............................................................................................................................................... 5 II. Safety .............................................................................................................................................................................. 6 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ..............................................................................
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Table of Contents XIV. Startup Procedure & Adjustment ............................................................................................................................. 28 HEAT ANTICIPATOR SETTING ................................................................................................................................28 DRAIN TRAP PRIMING ....................................................................................................................................... 28 FUR
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TO THE OWNER 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 IF 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. numbers, plus the installation date. –
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SINGLE TWO I. CO I. CO I. CO I. CO I. COMPO MPO MPO MPO MPONENT ID NENT ID NENT ID NENT ID NENT IDENTIFI ENTIFI ENTIFI ENTIFI ENTIFIC C C C CA A A A ATI TI TI TI TIO O O O ON N N N N 6 8 10 5 27 5 7 9 10 28 7 33 11 4 11 3 3 13 2 25 12 26 29 14 1 16 15 32 24 31 3 18 17 3 23 30 16 19 19 15 32 20 20 18 21 30 17 21 31 CFM 87 4321 OFF 22 ON CUT FOR S4 87 4321 DEHUM 12 S3 10 11 12 7 9 8 45 6 19 19 12 3 Intell-Ignition 20 TSTAT WR 20 3 2 21 1 ON S1 OFF 23 29 C US 21 14 24 13 2 22 26 25 1 28 27 9 6
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II. SAFETY II. SAFETY II. SAFETY II. SAFETY II. SAFETY If you come in contact with an ungrounded object, repeat step 2 before touching control or wires. Please adhere to the following warnings and cautions when in- 4. Discharge your body to ground before removing a new stalling, adjusting, altering, servicing, or operating the furnace. control from its container. Follow steps 1 through 3 if installing the control on a furnace. Return any old or new WARNING controls to their containers before t
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NOTE: Do not connect the temporary duct directly to the IV IV IV IV IV. LOC . LOC . LOC . LOC . LOCA A A A ATI TI TI TI TIO O O O ON REQUIREMENTS & CO N REQUIREMENTS & CO N REQUIREMENTS & CO N REQUIREMENTS & CO N REQUIREMENTS & CONSID NSID NSID NSID NSIDERA ERA ERA ERA ERATI TI TI TI TIO O O O ONS NS NS NS NS furnace. The duct must be sized according to the GENERAL instructions under Section V, Combustion and Ventilation Air Requirements, Section 5.3.3. WARNING • The furnace heat exchanger,
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halogen type refrigerants construction, the clearance between the door and door frame is usually adequate to satisfy this ventilation requirement. cleaning solutions (such as perchloroethylene) printing inks FURNACE SUSPENSION paint removers If suspending the furnace from rafters or joists, use 3/8" threaded varnishes rod and 2”x2”x1/8” angle iron as shown below. The length of rod hydrochloric acid will depend on the application and the clearances necessary. cements and glues PROVIDE 8" MINMUM
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Corrections must be in accordance with the latest edition of the ANSI Z223.1 (Section 5.3), or CSA B149 Installation Codes (Sec- National Fuel Gas Code NFPA 54/ANSI Z223.1 and/or CSA B149 tions 7.2, 7.3, or 7.4), or applicable provisions of the local building Installation Codes. codes for determining the combustion air requirements for the If resizing is required on any portion of the venting system, use the appliances. appropriate table in Appendix G in the latest edition of the National Most
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Chimney or Gas Vent per hour of the total input rating of all gas utilization equipment in Ventilation louvers the confined space, but not less than 100 square inches. One open- (each end of attic) ing shall be within 12 inches of the top and one within 12 inches of NOTE: The inlet and outlet air the bottom of the enclosure. openings must each have a free area of not less than one square Chimney or Gas Vent inch per 4000 BTU of the NOTE: Each opening must have total input rating of all equipment
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FURNACE MUST BE LEVEL 5. When directly communicating with the outdoors, the single open- FROM END TO END ALTERNATE VENT/FLUE ing shall have a minimum free area of 1 square inch per 3,000 FURNACE MUST BE LEVEL AND COMBUSTION AIR OR SLIGHTLY TILTED FORWARD BTU per hour of total input rating of all equipment in the enclo- INTAKE LOCATIONS WITH THE DOORS 0" - 3/4" sure. BELOW THE BACK PANEL 5.3.4 Specially Engineered Installations: The requirements of 5.3.3 shall not necessarily govern when specia
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AIR ALTERNATE FLUE AND High altitude installations may require both a pressure switch and DISCHARGE COMBUSTION AIR PIPE LOCATIONS an orifice change. These changes are necessary to compensate for the natural reduction in the density of both the gas fuel and the combustion air at higher altitude. Side Side Return Return Duct Duct For installations above 7000 feet, please refer to your distributor Connection Connection Bottom for required kit(s). Return Duct Manifold Pressure Pressure Connec
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located in this section for specific details on termination construc- MATERIALS AND JOINING METHODS tion. • All terminations (flue and/or intake) must be located at WARNING least 12 inches above ground level or the anticipated snow level. TO AVOID BODILY INJURY, FIRE OR EXPLOSION, SOLVENT CEMENTS MUST BE • Vent terminations (non-direct and direct vent) must KEPT AWAY FROM ALL IGNITION SOURCES (I.E., SPARKS, OPEN FLAMES, AND terminate at least 3 feet above any forced air inlet located EXCESSIVE H
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NOTE: Standard and alternate locations can be combined (i.e., an STANDARD FURNACE CONNECTIONS installation may use the standard combustion air intake location It is the responsibility of the installer to ensure that the piping but use the alternate vent/flue location or vice versa), if needed. connections to the furnace are secure, airtight, and adequately supported. WARNING As shipped, attachment “couplings” for vent/flue and combustion air intake pipe connections are provided on the furnace’s
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coupling to the cabinet using the screws removed in step 1 ALTERNATE COMBUSTION AIR INTAKE LOCATION or with field-supplied 3/8” #8 self drilling screws. The alternate combustion air intake location consists of a large, unobstructed hole (alternate vent connection is aligned with the WARNING Induced Draft Blower). To use the alternate combustion air intake location, refer to the following steps, and the “Alternate Combus- THE RUBBER ELBOW IS NOT DESIGNED TO SUPPORAT A LOAD. WHEN THE tion Air In
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1 UPFLOW 1 5 REMOVE 2 REMOVE 2" CLEARANCE Non-Direct Vent (Single Pipe) 4 SCREWS REMOVE 4 SCREWS REQUIRED (1)(2) 2 Maximum Allowable Length of Vent/Flue Pipe (ft) (NON-DIRECT REMOVE VENT) (4) (3) AND CUT Pipe Number of Elbows Unit Input 1 (Inch) 123 4 56 78 3 REMOVE REMOVE 3 SCREWS 45,000 2 716865 625956 5350 AND 2 494643 403734 3128 3 RELOCATE 70,000 ADDITIONAL 3 716865 625956 5350 PLUG FROM 90,000 3 716865 625956 5350 DRAIN KIT 3. 3 494643 403734 3128 REMOVE 115,000 AND RELOCATE COUNTERFLOW
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90º If the combustion air intake pipe is to be installed above a finished MEDIUM RADIUS ELBOWS ceiling or other area where dripping of condensate will be objec- tionable, insulation of the combustion air pipe may be required. Use 1/2” thick closed cell foam insulation such as Armaflex™ or 12" MIN. TO ROOF OR Insultube™ where required. HIGHEST ANTICIPATED SNOW LEVEL UPFLOW Direct Vent (Dual Pipe) Maximum Allow able Length of Vent/Flue & Combustion Air Intake Pipe (ft) (1)(2)(3) (4) Number of El
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Horizontal terminations should be as shown in the following fig- ure. Refer to Section IX, Vent/Flue Pipe and Combustion Pipe - Termination Location for location restrictions. A 2 3/8 inch diameter wall penetration is required for 2” diameter pipe while a 3 1/2 inch diameter hole is required for 3” diameter pipe. To secure the pipe passing through the wall and prohibit damage to piping connec- tions, a coupling should be installed on either side of the wall and solvent cemented to a pipe conn
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accordance with all local codes and the instructions in the follow- RIGHT SIDE PANEL ing sections. RUBBER ELBOW Follow the bullets listed below when installing the drain system. RUBBER ELBOW Refer to the following sections for specific details concerning fur- DRAIN PORT nace drain trap installation and drain hose hook ups. RED HOSE CLAMP • The drain trap supplied with the furnace must be used. TUBE 1 • The drain line between furnace and drain location must HOSE SIDE PANEL B be constructed of 3/
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“right-side only” drain hoses to be connected as follows. Refer to Make connections as follows: Section IX, Vent/Flue Pipe and Combustion Air Pipe for details on 1. Remove the rubber plug from the coil front cover drain port. alternate vent/flue pipe connection. Counterflow furnaces 1. Remove the rubber plug from the front cover right-side drain Relocate the front cover pressure switch hose connection port. Save for use in step 3. from the left side pressure tap to the right (down) side tap. 2.
