Installation Instructions
Contents
1. A CAUTION CUT HAZARD Failure to follow this caution may result in personal injury Sheet metal parts may have sharp edges or burrs Use care and wear appropriate protective clothing safety glasses and gloves when handling parts and servicing furnaces 4 WARNING FIRE EXPLOSION ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury death and or property damage The ability to properly perform service on this equipment requires certain expertise mechanical skills tools and equipment If you do not possess these do not attempt to perform any service on this equipment other than those procedures recommended in the User s Manual INTRODUCTION This instruction covers the installation of high altitude pressure switch kit KGAHA5S801PSW in the 2 Speed and variable speed 80 AFUE 33 3 in 846 mm induced combustion furnaces The switch set points are shown on the label attached to the front of the switch KIT CONTENTS The high altitude pressure switch kit contains the following items Description Quantity High Altitude Switch Assy 1 Installation Instructions 1 Table 1 Models 58CTA 58CVA 312AAV 315AAV PG8MVA 58CTX 58CVX 312JAV 315JAV PG8JVA DESCRIPTION AND USAGE 6 Remove existing high fire pressure switch from the This high altitude pressure switch kit is required for the installation of the 2 speed and variable speed 802. AFUE 33 3 in 846 mm induced combustion furnaces The switch set points are shown on the label attached to the front of the switch The kit is required for the furnaces shown in Table 1 Step 1 Installation of Pressure Switch Assembly 1 Mark two 2 wires connected to the high fire pressure switch 2 Disconnect the two 2 wires from the high fire pressure switch 3 Remove screw securing switch assembly to casing 4 Disconnect the bypass tube from the high fire pressure switch 5 Remove the two 2 screws securing high fire pressure switch to mounting bracket See Fig 1 Balae MOUNTING SCREW DO NOT REPLACE THIS SWITCH PI ITKE Zo Y LOW PRESS PRESSURE SWITCH 2 gt 7 2 ORANGE xe A X MOUNTING SCREW 4 X GRAY P 2 HIGH PRESSURE SWITCH BROWN mounting bracket 7 Install new high altitude high fire pressure switch to the mounting bracket with two 2 screws 8 Connect the bypass tube to the high altitude high fire switch NOTE Replacement switch is shipped with a new bypass tube Remove and discard if existing tube is not cracked or torn 9 Install switch assembly to casing using screw 10 Reconnect wires to the switch as shown in Fig 1 or refer to the furnace wiring diagram 11 Check furnace for proper operation refer to furnace Installation Instructions Step 2 Derating Input The gas inputs on rating plate are for altitudes up to
3. 2000 ft 610 M above sea level Ratings for altitudes over 2000 ft 610 M must be 4 percent less for each 1000 ft 305 M above sea level REAR MOUNTING BRACKET LOW FIRE AS SHOWN COMMON TERMINAL 1 4 x 032 THK lt ___ BYPASS TUBE 2 34 NORPRENE TUBING LONG FRONT MOUNTING A BRACKET O REPLACE THIS SWITCH A02243 Fig 1 Pressure Switch Note Bracket appearance may vary Copyright 2012 CAC BDP 7310 W Morris St e Indianapolis IN 46231 Printed in U S A Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Edition Date 02 12 Catalog No AG GAHA 06 Replaces AG GAHA 05
4. KGAHA5801PSW High Altitude Pressure Switch Kit for 2 Stage and Variable Speed 33 3 in 846 mm Multipoise Non Condensing Furnaces Installation Instructions NOTE Read the entire instruction manual before starting the installation SAFETY CONSIDERATIONS Improper installation adjustment alteration service maintenance or use can cause explosion fire electrical shock or other conditions which may cause death personal injury or property damage Consult a qualified installer service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glasses protective clothing and work gloves Have a fire extinguisher available Read these instructions thoroughly and follow all warnings or cautions include in literature and attached to the unit Consult local building codes the current editions of the National Fuel Gas Code NFGC NFPA 54 ANSI Z223 1 and the National Electrical Code NEC NFPA 70 In Canada refer to the current editions of the National Standards of Canada CAN CSA B149 1 and 2 Natural Gas and Propane Installation Codes and Canadian Electrical Code CSA C22 1 Recognize safety information This is the safety alert symbol A When you see this symbol on the uni
5. t and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 4 WARNING FIRE EXPLOSION ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury death and or property damage Improper installation adjustment alteration service maintenance or use can cause carbon monoxide poisoning explosion fire electrical shock other conditions which could result in personal injury or death Consult your distributor or branch for information or assistance The qualified installer or agency must use only factory authorized kits or accessories when servicing this product A WARNING FIRE EXPLOSION ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury death and or property damage Before installing or servicing unit always turn off main electrical and gas to unit and tag with appropriate lockout There may be more than one disconnect switch
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