Carrier Owners Manual - 1 of 4
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Primary Cell Outlet Panel Kit Cancels: IIK 340M-40-11 IIK 340M-40-21 6-96 Installation Instructions Part No. 320726-751, -752, -753, -754, -755, and -756 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. KIT PART NO. Table 1–Kit Usage UNIT 340MAV 345MAV 350MAV 490AAV 024040 036040 024060 036060 048060 036080 048080 060080 048100 060100 060120 — 355MAV 58MCA 58MSA 58MXA 040-08 040-12 060-08 060-12 060-16 080-12 080-16 080-20 100-16 100-20 120-20 — 58MVP SAFETY CONSIDERATIONS Installing and servicing of heating equipment can be hazardous due to gas and electrical components.
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Only trained personnel should install or service heating equipment. Untrained personnel can perform basic maintenance functions such as 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 a 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 would result in minor personal injury or product and property damage. 320726-751 320726-752 — 042060 042080 060080 060100 060120 042040 — 060-14 080-14 080-20 100-20 120-20 040-14 320726-753 320726-754 320726-755 320726-756 DESCRIPTION AND USAGE Use this primary cell outlet panel kit when repairing a factoryinstalled primary cell outlet panel. This primary cell outlet panel kit contains the following items: Gasket (primary to condensing cell) Primary cell outlet panel Screw (No. 8D X 3/8-in. LG) Screw (No. 8A X 1/2-in. LG) Installation Instructions INSTALLATION Step 1–Remove Whole Cell Panel Assembly See Fig. 1 for furnace component locations. See Fig. 2 for expanded view of heating system components. NOTE: Actual component location may vary depending on model and series. 1. Turn off gas and electrical supplies to furnace. 2. Remove main furnace door. 3. Remove blower access panel. 4. Disconnect field power supply wires from J-box. 5. Remove 2 screws securing J-box. 6. Remove 2 screws securing top filler panel and rotate panel upwards to remove or allow the heat exchanger to be removed from front of furnace. 7. Disconnect combustion-air intake pipe from intake housing and move pipe out of furnace casing. 8. Disconnect gas supply pipe from gas valve using backup wrench. 9. Disconnect vent pipe from inducer housing by loosening clamp, and move pipe out of furnace casing.