Carrier 40VMH024 Installation And Maintenance Instructions Manual

Carrier 40VMH024 Installation And Maintenance Instructions Manual Manual pdf 1 page image

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No.20-40VMH001-01 Printed in U.S.A. Form 40VMH-2SI Pg 1 2-20 Replaces: 40VMH-1SIInstallation and Maintenance InstructionsCONTENTS PageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2DIMENSIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4FAN CURVE CHARACTERISTICS. . . . . . . . . . . . . . . 7INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Step 1 — Unpack and Inspect Units . . . . . . . . . . . 10Step 2 — Position the Unit . . . . . . . . . . . . . . . . . . 11Step 3 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . 11Step 4 — Connect Piping . . . . . . . . . . . . . . . . . . . . . 12Step 5 — Complete the Electrical Connections . 13Step 6 — Installing the LED Display Panel . . . . . 16Step 7 — Position and Connect Controller . . . . . 16ACB INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . 20START UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Pre-Start Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 20System Operation Check. . . . . . . . . . . . . . . . . . . . 20MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Fan Assembly Maintenance . . . . . . . . . . . . . . . . . 21TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . 29Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 31APPENDIX A - DIP SWITCH SETTINGS . . . . . . . . . . 32SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service,maintenance, or use can cause explosion, fire, electrical shock,or other conditions; which may cause death, personal injury orproperty damage. The qualified installer or agency must usefactory-authorized kits or accessories when modifying thisproduct.Follow all safety codes. Wear safety glasses, protectiveclothing, and work gloves. Use quenching cloth for brazingoperations. Have fire extinguisher available. Read theseinstructions thoroughly and follow all warnings or cautionsincluded in the literature and attached to the unit. Consult localbuilding codes and the current editions of the NationalElectrical Code (NEC) ANSI/NFPA (American NationalStandards Institute/National Fire Protection Association) 70. InCanada, refer to the current editions of the Canadian ElectricalCode CSA (Canadian Standards Association) C22.1.Understand the signal words — DANGER, WARNING, andCAUTION. DANGER identifies the most serious hazards,which result in severe personal injury or death. WARNINGsignifies hazards that could result in personal injury or death.CAUTION is used to identify unsafe practices, which wouldresult in minor personal injury or product and propertydamage.WARNINGElectrical shock can cause personal injury and death.Shut off all power to this equipment during installation.There may be more than one disconnect switch. Tag alldisconnect locations to alert others not to restore poweruntil work is completed.WARNINGDO NOT re-use compressor oil or any oil that has beenexposed to the atmosphere. Dispose of oil per local codesand regulations. DO NOT leave refrigerant system open toair any longer than the actual time required to service theequipment. Seal circuits being serviced and charge with drynitrogen to prevent oil contamination when timely repairscannot be completed. Failure to follow these proceduresmay result in damage to equipment.For information about replacement oil type and viscosity,see the Installation, Start-Up, and Service Instructions forthe 38VMAH and 38VMAR outdoor units.WARNINGDO NOT USE TORCH to remove any component. Thesystem contains oil and refrigerant under pressure.To remove a component, wear protective gloves andgoggles and proceed as follows:A. Shut off electrical power to unit.B. Recover refrigerant to relieve all pressure from thesystem using both the high-pressure and lowpressure ports.C. Traces of vapor should be displaced with nitrogenand the work area should be well ventilated.Refrigerant in contact with an open flame producestoxic gases.D. Cut the component connection tubing with a tubingcutter and remove the component from unit. Use apan to catch any oil that may come out of the linesand as a gage for how much oil to add to the system.E. Carefully unsweat remaining tubing stubs whennecessary. Oil can ignite when exposed to torchflame.Failure to follow these procedures may result in personalinjury or death.WARNINGWhen installing the equipment in a small space, provideadequate measures to avoid refrigerant concentrationexceeding safety limits due to refrigerant leak.In case of refrigerant leak during installation, ventilatethe space immediately. Failure to follow this proceduremay lead to personal injury.40VMH024-096High Static Ducted Indoor Unit forVariable Refrigerant Flow (VRF) SystemsRecognize safety information. This is the safety-alert symbol( ). When this symbol is displayed on unit and in instruc-tions or manuals, be alert to potential for personal injury.