Nortek MSA4BD-KA Installation Instructions Manual

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Nortek MSA4BD-KA Installation Instructions Manual Manual pdf 1 page image

SPLIT SYSTEM AIR CONDITIONERIMPORTANT SAFETY INFORMATION ................. 2AIR CONDITIONER INSTALLATION .................... 3General Information .............................................. 3Before You Install this Unit ..................................... 3Locating the Air conditioner................................... 3Packaging Removal .............................................. 3Ground Level ......................................................... 3Roof Mount............................................................ 3Connecting Refrigerant Tubing between theIndoor & Outdoor Unit ........................................... 4ELECTRICAL WIRING ........................................... 4Pre - Electrical Checklist ....................................... 4Line Voltage........................................................... 4Comfort Alert TM Diagnostics Module ..................... 524VAC Power Wiring ........................................... 5Thermostat Demand Wiring ................................ 5Interpreting the Diagnostic LED’s ....................... 5LED Description .................................................. 6Grounding ............................................................. 6Thermostat Low / Voltage Connections................. 6AIR CONDITIONER MAINTENANCE.................... 6STARTUP & ADJUSTMENTS ............................... 7Pre - Start Checklist .............................................. 7Start-up Procedures .............................................. 7Air Circulation - Indoor Blower .............................. 7System Cooling ..................................................... 7System Heating ..................................................... 7S4BD SERIES - 018, 024, 030, 036, 042, 048, & 060 (1.5, 2, 2.5, 3, 3.5, 4, & 5 Ton)13 SEER, SINGLE PHASE MODELSREFRIGERANT CHARGING ................................. 7Charging the Unit in AC ModeApplication Notes for Using Charging Charts ....... 8S4BD CHARGING CHARTS ................................. 8Figure 3. Charging Chart for 1.5 Ton Units.......... 8Figure 4. Charging Chart for 2 Ton Units............. 9Figure 5. Charging Chart for 2.5 Ton Units.......... 9Figure 6. Charging Chart for 3 Ton Units........... 10Figure 7. Charging Chart for 3.5 Ton Units........ 10Figure 8. Charging Chart for 4 Ton Units........... 11Figure 9. Charging Chart for 5 Ton Units........... 11S4BD CHARGING TABLES ................................. 12Table 3. Charging Table for 1.5 Ton Units .......... 12Table 4. Charging Table for 2 Ton Units ............. 12Table 5. Charging Table for 2.5 Ton Units .......... 13Table 6. Charging Table for 3 Ton Units ............. 13Table 7. Charging Table for 3.5 Ton Units .......... 14Table 8. Charging Table for 4 Ton Units ............. 14Table 9. Charging Table for 5 Ton Units ............. 15ELECTRICAL DIAGRAMS & TABLES ................ 16Figure 10. W.D., Single Phase (1.5 - 5 Ton) ...... 16Table 10. Comfort Alert LED Diagnostics .......... 17Table 11. Module Wiring Troubleshooting .......... 18INSTALLATION CHECKLIST .............................. 20REPLACEMENT PARTS...................................... 20INSTALLATION INSTRUCTIONSIMPORTANTATTENTION INSTALLERS:It is your responsibility to know this product better than your customer. This includes being able to install the productaccording to strict safety guidelines and instructing the customer on how to operate and maintain the equipment forthe life of the product. Safety should always be the deciding factor when installing this product and using commonsense plays an important role as well. Pay attention to all safety warnings and any other special notes highlightedin the manual. Improper installation of the furnace or failure to follow safety warnings could result in serious injury,death, or property damage.These instructions are primarily intended to assist qualified individuals experienced in the proper installation of thisappliance. Some local codes require licensed installation/service personnel for this type of equipment. Please read allinstructions carefully before starting the installation. Return these instructions to the customer’s package for futurereference.DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.