Carrier 40VMM007A 3 Series Installation And Maintenance Instructions Manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 20-40VMM001-02 Printed in U.S.A. Form 40VMM-5SI Pg 1 08-20 Replaces: 40VMM-4SIInstallation and Maintenance InstructionsCONTENTS PageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2DIMENSIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5FAN CURVE CHARACTERISTICS . . . . . . . . . . . . . . . 7INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Step 1 — Unpack and Inspect Units . . . . . . . . . . . . . 11Step 2 — Position the Unit . . . . . . . . . . . . . . . . . . . . . 11Step 3 — Mount the Unit. . . . . . . . . . . . . . . . . . . . . . . 12Step 4 — Connect Piping . . . . . . . . . . . . . . . . . . . . . . 13Step 5 — Complete Electrical Connections . . . . . . . 14Step 6 — Position and Connect Controller . . . . . . . . 17ACB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Pre-Start Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Drain Pump and Drainage Test . . . . . . . . . . . . . . . . . 21System Operation Check . . . . . . . . . . . . . . . . . . . . . . 21MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22INDOOR UNIT ADDRESSING . . . . . . . . . . . . . . . . 22Wireless Remote Controller (40VM900001) . . . . . . . 22Non-Programmable Controller . . . . . . . . . . . . . . . . 22Programmable Controller. . . . . . . . . . . . . . . . . . . . . 23TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 24Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 25APPENDIX A — DIP SWITCH SETTINGS . . . . . . . . 26SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service,maintenance, or use can cause explosion, fire, electrical shock,or other conditions that 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 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 will result in severe personal injury or death.WARNING signifies hazards that could result in personalinjury or death. CAUTION is used to identify unsafe practices,which would result in minor personal injury or product andproperty damage.Recognize safety information. This is the safety-alertsymbol ( ). When this symbol is displayed on the unit and ininstructions or manuals, be alert to the potential for personalinjury. Installing, starting up, and servicing equipment can behazardous due to system pressure, electrical components, andequipment location.WARNINGElectrical shock can cause personal injury and death. Shutoff all power to this equipment during installation. Theremay be more than one disconnect switch. Tag alldisconnect locations to alert others not to restore poweruntil work is completed.WARNINGWhen installing the equipment in a small space, provideadequate measures to avoid refrigerant concentrationexceeding safety limits due to refrigerant leak. In case ofrefrigerant leak during installation, ventilate the spaceimmediately. Failure to follow this procedure may lead topersonal injury.WARNINGDO NOT USE TORCH to remove any component. Systemcontains 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 fromsystem using high-pressure and low pressure ports.c. Traces of vapor should be displaced with nitrogenand work area should be well ventilated. Refrigerantin contact with an open flame produces toxic gases.d. Cut component connection tubing with tubing cutterand remove component from unit. Use a pan to catchany oil that may come out of the lines and as a gagefor 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.WARNINGThe ducting for the 7K (40VMM007A--3) and 9K(40VMM009A--3) models (supply and return air ducts)is intended for use in one room only. Do not installductwork from a single unit to multiple rooms for thesetwo models.40VMM007A-048AMedium Static Duct Indoor Unit forVariable Refrigerant Flow (VRF) Systems