Nortek RSA1BD4M Series Installation Instructions Manual

Also see for SN18K: Installation instructions Installation instructions

Nortek RSA1BD4M Series Installation Instructions Manual Manual pdf 1 page image

SPLIT SYSTEM AIR CONDITIONER*SA(1,2)BD4M1 SERIES - (S,R)N18K, (S,R)N24K, (S,R)N30K, (S,R)N36K, SN42K, SN48K, &SN60K (1.5, 2, 2.5, 3, 3.5, 4, & 5 TON) - SINGLE PHASE MODELS13 SEERINSTALLATION 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 highlighted inthe manual. Improper installation of the unit 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.IMPORTANT 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 ........................................................... 4Grounding .............................................................. 5Comfort AlertTM Diagnostics Module ...................... 5(Select Models Only).............................................. 524 VAC Power Wiring .......................................... 5Thermostat Demand Wiring ................................. 5Interpreting the Diagnostic LED’s ........................ 5LED Description ................................................... 5Thermostat Connections ........................................ 6AIR CONDITIONER MAINTENANCE..................... 6Panel Removal....................................................... 6Panel Installation.................................................... 6START UP & ADJUSTMENTS ............................... 7Pre-Start Check List ............................................... 7Start-Up Procedures .............................................. 7Air Circulation - Indoor Blower ............................. 7System Cooling.................................................... 7System Heating (optional) ................................... 7REFRIGERANT CHARGING .................................. 7Charging the Unit in AC mode ............................... 8If the outdoor temperature is 65 degrees For higher:.............................................................. 8If the outdoor temperature is below 65degrees F:............................................................ 8ELECTRICAL DIAGRAMS & TABLES .................. 9Figure 5. Wiring Diagram for *SA(1,2)BD4M(1.5, 2, 2.5, 3, 3.5, 4, & 5 Ton Units) .... 9Figure 6. Wiring Diagram for *SA(1,2)BD4M1RN(1.5, 2, 2.5, & 3 Ton Units) .................... 10Table 1. Comfort Alert LED Diagnostics .............. 11Table 2. Module Wiring Troubleshooting ............. 12INSTALLATION CHECKLIST................................. 16REPLACEMENT PARTS ........................................ 16