Whirlpool WAHMS Installation Instructions Manual

Also see for WAHME: Installation instructions and owner's manual

Contents

AIR HANDLER INSTALLATION INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONSTable of ContentsIMPORTANT SAFETY INSTRUCTIONS ....................................... 1IMPORTANT NOTE TO THE OWNER REGARDINGPRODUCT WARRANTY................................................................. 3SHIPPING INSPECTION................................................................ 3CODES AND REGULATIONS........................................................ 3REPLACEMENT PARTS ................................................................ 3PREINSTALLATION INSTRUCTIONS .......................................... 3LOCATION ...................................................................................... 3DUCTWORK ................................................................................... 3Return Ductwork.......................................................................... 4Return Air Filters .......................................................................... 4ELECTRIC HEAT ............................................................................ 4HKR Installation ........................................................................... 4ELECTRICAL SUPPLY WIRE AND MOP ..................................... 5Building Electrical Service Inspection ......................................... 5Wire Sizing ................................................................................... 5Maximum Overcurrent Protection (MOP).................................... 5Electrical Connections—Supply Voltage..................................... 5Air Handler Only—Nonheat Kit Models....................................... 5Air Handler With Noncircuit Breaker Heat Kits............................ 5Air Handler With Heat Kits Containing a Circuit Breaker ............ 5Low Voltage Connections............................................................ 6REFRIGERANT LINES ................................................................... 6Tubing Preparation ...................................................................... 6Special Instructions ..................................................................... 6DOWNFLOW CONVERSION ......................................................... 7Horizontal Conversion ................................................................. 7CONDENSATE REMOVAL ............................................................ 8ACHIEVING 2% LOW LEAKAGE RATE ....................................... 9WAHMS MOTOR............................................................................ 9Motor Speed Adjustment ............................................................ 9WAHME MOTOR............................................................................ 9CFM Delivery ............................................................................... 9THERMOSTATS ........................................................................... 10START-UP PROCEDURE............................................................ 10REGULAR MAINTENANCE......................................................... 10WIRING DIAGRAMS .................................................................... 10System Composite Diagram—WAHMS 18 to 60—10kW and Below........................................................................ 10System Composite Diagram—WAHMS 18 to 60—Above 10kW............................................................................... 11Wiring Diagram—Low Voltage for WAHMS Cooling Unitwith Optional Heat Kit 10kW and Below................................... 11Wiring Diagram—Low Voltage for WAHMS Cooling Unitwith Optional Heat Kit 15kW and Above................................... 12WAHME THERMOSTAT CONNECTIONS.................................. 12Thermostat Connection—WAHME Cooling Unitwith Optional Heat Kits of 10kW and Below............................. 13Thermostat Connection—WAHME Cooling Unitwith Optional Heat Kits of 15kW and Above—Thermostat with 2-Stage Heat .................................................. 13Thermostat Connection—WAHME Heat Pump Unitwith Optional Heat Kits of 10kW and Below............................. 14Thermostat Connection—WAHME Heat Pump Unitwith Optional Heat Kits of 15kW and Above............................. 14ELECTRONIC BLOWER TIME DELAY RELAY.......................... 15ASSISTANCE OR SERVICE ........................................................ 16Whirlpool® Models WAHMS, WAHMEWPIO-355EATTENTION INSTALLATION PERSONNELAs a professional installer, you have an obligation to know the product better than the customer. This includes allsafety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this instructionmanual. Pay special attention to all safety warnings. Often during installation or repair, it is possible to placeyourself in a position which is more hazardous than when the unit is in operations.Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct acustomer in its safe use. Safety is a matter of common sense...a matter of thinking before acting. Most dealers havea list of specific good safety practices...follow them.The precautions listed in this installation manual are intended as supplemental to existing practices. However, ifthere is a direct conflict between existing practices and the content of this manual, the precautions listed here takeprecedence.