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It includes parts lists and system requirements, along with guidance on indoor dimensions, clearances, installation tips, electrical data, connection diagrams, tubing checks, wireless remote control installation, start-up, system checks, and troubleshooting.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/healthcare/","Healthcare",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/40mhh-installation-instructions/662321/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/40mhh-installation-instructions/662321.png","ImageObject",300,407,{"name":42,"@type":43},"วิน","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":52,"interactionType":53,"userInteractionCount":33},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"Who is allowed to install, start up, and service the 40MHH equipment?","Question",{"text":62,"@type":63},"Only trained, qualified installers and service mechanics should perform installation, start-up, and service. Untrained personnel may only carry out basic maintenance such as cleaning coils.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What does the manual warn about regarding refrigerant leak testing?",{"text":67,"@type":63},"It warns never to use air or oxygen-containing gases for leak testing or operating refrigerant compressors, as pressurized oxygen mixtures can lead to explosion.",{"name":69,"@type":60,"acceptedAnswer":70},"What caution is given about burying refrigerant pipe?",{"text":71,"@type":63},"Do not bury more than 36 in. (914 mm) of refrigerant pipe. If any section is buried, ensure a 6 in. 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Actual models may differ slightly.  \nTABLE OF CONTENTS  \nPAGE  \nSAFETY CONSIDERATIONS .....................................................................2  \nPARTS LIST................................................................................................ 3  \nSYSTEM REQUIREMENTS........................................................................4  \nWIRING .......................................................................................................4  \nDIMENSIONS-INDOOR ............................................................................5  \nCLEARANCES-INDOOR ..........................................................................8  \nINSTALLATION TIPS.................................................................................. 9  \nELECTRICAL DATA.................................................................................... 12  \nCONNECTION DIAGRAMS ........................................................................ 12  \nFINAL TUBING CHECK .............................................................................. 14  \nWIRELESS REMOTE CONTROL INSTALLATION .................................... 14  \nSTART-UP .................................................................................................. 15  \nSYSTEM CHECKS...................................................................................... 16  \nTROUBLESHOOTING ................................................................................ 16  \nSpecifications subject to change without notice.  \n40MHH: Installation Instructions  \nSAFETY CONSIDERATIONS  \nInstalling, starting up, and servicing air-conditioning equipment can be hazardous due to system pressures, electrical components, and equipment location (roofs, elevated structures, etc.) .  \nOnly trained, qualified installers and service mechanics should install, start-up, and service this equipment.  \nUntrained personnel can perform basic maintenance functions such as cleaning coils. All other operations should be performed by trained service personnel. When working on the equipment, observe precautions in the literature and on tags, stickers, and labels attached to the equipment.  \nFollow all safety codes. Wear safety glasses and work gloves. Keep quenching cloth and fire extinguisher nearby when brazing. Use care in handling, rigging, and setting bulky equipment.  \nRead these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes and National Electrical Code (NEC) for special requirements. Recognize safety information.  \nThis is a safety symbol . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury.  \nUnderstand these signal words: DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.  \n|  WARNING |  |\n| --- | --- |\n| | EXPLOSION HAZARD\u003Cbr>Failure to follow this warning could\u003Cbr>result in death, serious personal injury,\u003Cbr>and/or property damage.\u003Cbr>Never use air or gases containing oxygen\u003Cbr>for leak testing or operating refrigerant\u003Cbr>compressors. Pressurized mixtures ofair\u003Cbr>or gases containing oxygen can lead to\u003Cbr>an explosion. |\n\n\n|  CAUTION |\n| --- |\n| EQUIPMENT DAMAGE HAZARD\u003Cbr>Failure to follow this caution may result in equipment damage or improper operation.\u003Cbr>Do not bu","cbCaih2AoXxFnGhz","https://ap.wps.com/l/cbCaih2AoXxFnGhz","pdf",4824987,16,"English","# Safety Considerations\n# Parts List\n# System Requirements\n# Wiring\n# Dimensions-Indoor\n# Clearances-Indoor\n# Installation Tips\n# Electrical Data\n# Connection Diagrams\n# Final Tubing Check\n# Wireless Remote Control Installation\n# Start-Up\n# System Checks\n# Troubleshooting","[{\"question\":\"Who is allowed to install, start up, and service the 40MHH equipment?\",\"answer\":\"Only trained, qualified installers and service mechanics should perform installation, start-up, and service. Untrained personnel may only carry out basic maintenance such as cleaning coils.\"},{\"question\":\"What does the manual warn about regarding refrigerant leak testing?\",\"answer\":\"It warns never to use air or oxygen-containing gases for leak testing or operating refrigerant compressors, as pressurized oxygen mixtures can lead to explosion.\"},{\"question\":\"What caution is given about burying refrigerant pipe?\",\"answer\":\"Do not bury more than 36 in. (914 mm) of refrigerant pipe. If any section is buried, ensure a 6 in. (152 mm) vertical rise to the valve connections on the outdoor unit.\"}]","40MHH - Installation Instructions | PDF"]