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PSC Inducer Motor Housing Assembly Kit Cancels: IIK 340M-40-64 IIK 340M-40-81 8-05 Installation Instructions Part No. 320725-753 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. SAFETY CONSIDERATIONS Installing and servicing of heating equipment can be hazardous due to gas and electrical components. Only trained personnel should install or service heating equipment.
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Untrained personnel can perform basic maintenance functions such as cleaning coils or cleaning and replacing filters. All other operations should be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached to the unit. Follow all safety codes. Wear safety glasses and work gloves. Have fire extinguisher available Recognize safety information. This is the safety-alert symbol When you see this symbol on the furnace 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 a hazard 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. MODEL NUMBER 351DAS 340MAV 350MAV 490AAV 340MAV 350MAV 490AAV 345MAV 58MCA 58MXA 58MCA 58MXA 58MSA PG9MAA 340AAV 350AAV 58MCB 58MXB PG9MAB Table 1–Kit Usage SERIES A A, B, C D and Later Series A and Later Series 100, 110, 120 130 and Later Series 100 and Later Series A and Later Series A and Later Series 100 and Later Series A and Later Series USED ON All Sizes All Sizes All Sizes Except 060120 and 060140* All Sizes Except 060120* All Sizes All Sizes Except 120-20 and 140-20* All Sizes Except 120-20* All Sizes Except 060120 and 060140* All Sizes Except 060120 and 060140* All Sizes Except 120-20 and 140-20* All Sizes Except 060120 and 060140* * For 060120 and 120-20 size units on models and series specified, use high output PSC inducer motor housing assembly kit, Part No. 320725-754. For 060140 and 140-20 size units on models and series specified, use high output PSC inducer motor housing assembly kit, Part No. 320725-755. DESCRIPTION AND USAGE Use this PSC inducer motor kit to replace a failed inducer motor assembly. This kit contains the following items: Inducer assembly 1 Installation Instructions 1 NOTE: Inducer assembly consists of motor and fan, capacitor, wheel, motor mount, inducer cover, inducer housing, vent cap, and vent clamp. INSTALLATION Step 1–Remove Old Motor Assembly FIRE, EXPLOSION AND ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death and/or property damage. Before beginning any installation or modification, be sure the main electrical disconnect switch is in the OFF position. UNIT DAMAGE HAZARD Failure to follow this caution may result in improper and dangerous operation. Label all wires prior to disconnection when servicing controls to prevent miswiring. INTRODUCTION This instruction covers installation of the permanent split capacitor (PSC) inducer motor kit Part No. 320725-753 on models 340MAV, 340AAV, 345MAV, 350MAV, 350AAV, 351DAS, 490AAV, 58MCA, 58MCB, 58MSA, 58MXA, 58MXB, PG9MAA, and PG9MAB.