York MX Series Installation Manual

Contents

York MX Series Installation Manual Manual pdf 1 page image

819682-UIM-A-0212MODULARSTANDARD ECM AIR HANDLERSMODELS: MXINSTALLATION MANUALISO 9001Certified QualityManagement SystemLIST OF SECTIONSGENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2ELECTRIC HEATER INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . 5LOW VOLTAGE CONTROL CONNECTIONS . . . . . . . . . . . . . . . . . . 6REQUIRED CONTROL SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6LINE POWER CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8BLOWER SPEED CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 8UNIT DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15LIST OF FIGURESTypical Installation with MC or FC Evaporator Coil . . . . . . . . . . . . . . . 3Coil and Air Handler Attachment Details . . . . . . . . . . . . . . . . . . . . . . . 3Gasket Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Dimensions & Duct Connection Dimensions . . . . . . . . . . . . . . . . . . . . 4Duck Work Transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Typical Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Line Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Blower Speed Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Cooling Models with Electric Heat Wiring . . . . . . . . . . . . . . . . . . . . . 13Single-Stage Heat Pump Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Two-Stage Heat Pump Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Wiring Diagram - MX12-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Wiring Diagram - MX20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16LIST OF TABLESDimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Low Voltage Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Low Fan Control Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Blower Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Heat Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Physical and Electrical Data - Cooling Only (60 Hz) . . . . . . . . . . . . . . 9Electrical Data - Cooling Only (60 Hz) . . . . . . . . . . . . . . . . . . . . . . . . . 9Conversion Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Electrical Data - 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . . 9Electrical Data - (For Single Source Power Supply) -Copper Wire 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Electrical Data - (For Multi-Source Power Supply) -Copper Wire 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Electrical Data - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Electrical Data - (For Single Source Power Supply) -Copper Wire - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Electrical Data - (For Multi-Source Power Supply) -Copper Wire - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Air Flow Data - 60 Hz Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12SECTION I: GENERALThis modular air handler provides the flexibility for installation in anyupflow, downflow, or horizontal application. These versatile models maybe used for cooling or heat pump operation with or without electric heat.A BRAND LABEL (available from Distribution) may be applied to thecenter of the blower access panel.The unit can be positioned for bottom return air in the upflow position,top return air in the downflow position, and right or left return in the hor-izontal position.Top and side power wiring and control wiring, accessible screw termi-nals for control wiring and easy to install electric heaters all combine tomake the installation easy, and minimize installation cost.SECTION II: SAFETYThis is a safety alert symbol. When you see this symbol onlabels or in manuals, be alert to the potential for personalinjury.Understand and pay particular attention to the signal words DANGER,WARNING, or CAUTION.DANGER indicates an imminently hazardous situation, which, if notavoided, will result in death or serious injury.WARNING indicates a potentially hazardous situation, which, if notavoided, could result in death or serious injury.CAUTION indicates a potentially hazardous situation, which, if notavoided may result in minor or moderate injury. It is also used toalert against unsafe practices and hazards involving only property dam-age.Improper installation may create a condition where the operation ofthe product could cause personal injury or property damage.Improper installation, adjustment, alteration, service or maintenancecan cause injury or property damage. Refer to this manual for assis-tance or for additional information, consult a qualified contractor,installer or service agency.This product must be installed in strict compliance with the installationinstructions and any applicable local, state, and national codesincluding, but not limited to building, electrical, and mechanical codes.FIRE OR ELECTRICAL HAZARDFailure to follow the safety warnings exactly could result in seriousinjury, death or property damage.A fire or electrical hazard may result causing property damage, per-sonal injury or loss of life.