Nortek SA2BD4M1SN Series Installation Instructions Manual

Nortek SA2BD4M1SN Series Installation Instructions Manual Manual pdf 1 page image

SPLIT SYSTEM AIR CONDITIONERSA2BD4M1SN - 36, 48, & 60 (3, 4, & 5 TON) SERIES - 3-PHASE MODELS13 SEERIMPORTANTATTENTION INSTALLERS:It is your responsibility to know this product betterthan your customer. This includes being ableto install the product according to strict safetyguidelines and instructing the customer on howto operate and maintain the equipment for thelife of the product. Safety should always be thedeciding factor when installing this product andusing common sense plays an important role aswell. Pay attention to all safety warnings and anyother special notes highlighted in the manual.Improper installation of the unit or failure to followsafety warnings could result in serious injury,death, or property damage.These instructions are primarily intended to assistqualified individuals experienced in the properinstallation of this appliance. Some local codesrequire licensed installation/service personnel forthis type of equipment. Please read all instructionscarefully before starting the installation. Returnthese instructions to the customer’s package forfuture reference.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 ............................................. 3ELECTRICAL WIRING ............................................ 4Pre-Electrical Checklist ........................................... 4Line Voltage ............................................................ 4Grounding ............................................................... 4Thermostat Connections ......................................... 4Unbalanced 3-Phase Supply Voltage ..................... 5Reverse Rotation Verification ................................. 5AIR CONDITIONER MAINTENANCE...................... 5START UP & ADJUSTMENTS ................................ 6Pre-Start Check List ................................................ 6Start-Up Procedures ............................................... 6Air Circulation - Indoor Blower .............................. 6System Cooling..................................................... 6System Heating (optional) .................................... 6REFRIGERANT CHARGING ................................... 6Charging the Unit in AC mode ................................ 7If the outdoor temperature is 65 degrees For higher:............................................................... 7If the outdoor temperature is below 65degrees F:............................................................. 7WIRING DIAGRAMS................................................ 8Figure 2. Wiring Diagram for *SA2BD4M1SN(3, 4, & 5 Ton) Units .............................. 8INSTALLATION CHECKLIST.................................. 12REPLACEMENT PARTS ......................................... 12INSTALLATION INSTRUCTIONS