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Carrier VFD Quick Reference
Instruction Manual D2-3466-2
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The information in this manual is subject to change without notice. Throughout this manual, the following notes are used to alert you to safety considerations: ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. ! Important: Identifies information that is critical for successful application and understanding of the product. The thick black bar shown on the outside margin of this page will be used throug
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ATTENTION: When the level-sense start feature is enabled (P.054 = ON), the user must ensure that automatic start up of the driven equipment will not cause injury to operating personnel or damage to the driven equipment. In addition, the user is responsible for providing suitable audible ! or visual alarms or other devices to indicate that this function is enabled and the drive may start at any moment. Refer to the LiquiFlo Software Start-Up and Reference manual (D2-3410)for additional infor
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ATTENTION: Use of power correction capacitors on the output of the drive can result in erratic operation of the motor, nuisance tripping, and/or permanent damage to the drive. Remove power correction capacitors before proceeding. Failure to observe this precaution could result in damage ! to, or destruction of, the equipment. ATTENTION: Most codes require that upstream branch circuit protection be provided to protect input power wiring. Install the fuses recommended in table 3.7 of the Liqui
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ATTENTION: When connected to a non-regenerative common DC bus, regeneration may cause a rise in DC bus voltage. Be aware that other drives on the bus may experience an unexpected speed increase due to the high bus voltage. Failure to observe this precaution may result in bodily ! injury. ATTENTION: The motor shaft can rotate in either direction by up to one (1) revolution, providing minimum torque immediately after the identification procedure (initiated in H.020) has been started. Stay cle
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CONTENTS Chapter 1 Using This Manual 1.1 Required Publications...................................................................................... 1-1 1.2 Getting Assistance from Reliance Electric....................................................... 1-1 Chapter 2 Identifying Drive Components Using Reference Drawings and Parts Lists 2.1 VFD Chiller Installation Drawing (500A and 643A VFD) ................................. 2-1 2.2 Front View of 500 and 643 Amp VFD with Parts List (19XV0400060
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II Carrier VFD Quick Reference
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CHAPTER 1 Using This Manual The Carrier VFD Quick Reference is intended for qualified Carrier service personnel, and is to be used during start up, operation, and maintenance of the variable speed drive. 1.1 Required Publications The Carrier VFD Quick Reference must be used with the following manuals: LiquiFlo AC General Purpose (Volts/Hertz) and Vector Duty Drive D2-3410 Software Start-Up and Reference Manual LiquiFlo AC Power Modules Hardware Reference, Installation, and D2-3411 Troubl
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1-2 Carrier VFD Quick Reference
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CHAPTER 2 Identifying Drive Components Using Reference Drawings and Parts Lists Replace with 2.fm (11 X 17 Z-fold) Identifying Drive Components Using Reference Drawings and Parts Lists 2-1
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2-2 Carrier VFD Quick Reference
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CHAPTER 3 Using the Keypad/Display to Program, Monitor, and Control the Drive If you are unfamiliar with the detailed operation of the keypad/display, refer to chapter 3 of the LiquiFlo Software Start-Up and Reference Manual (D2-3410). Drive Status Keypad Display LEDs P.--- AUTO Forward SPEED RUNNING Reverse MAN VOLTS Monitor Mode REMOTE AMPS JOG RUN LEDs Hz AUTO PROGRAM JOG Kw FORWARD TORQUE REVERSE Password LED Password PROGRAM ENTER STOP START RELIANCE RESET ELECTRIC Stop / Reset Key Sta
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3-2 Carrier VFD Quick Reference
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CHAPTER 4 Identifying Parameter Defaults For Carrier Drives Use the following table to identify and set the parameter defaults for Carrier drives. Important: Setting P.050 (Restore Defaults) to ON will restore the drive to Reliance defaults, not Carrier defaults. If this has been done, set the following parameters to restore Carrier defaults. Parameter No. Parameter Name Setting P.000 Control Source rE P.001 Accel Time 1 8 P.002 Decel Time 1 20 P.003 Minimum Speed 0.5 P.004 Maximum Speed Job-s
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4-2 Carrier VFD Quick Reference
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CHAPTER 5 Verifying the Installation Record the following job information: 1. Job Name: 2. Job Number: 3. City: 4. State: 5. Zip Code: Record the following nameplate information: 1. Chiller Serial Number: 2. VFD Part Number: 3. VFD Serial Number: 4. Motor Rated Load Amps: 5. Incoming Voltage: 6. Incoming Frequency: 7. Carrier Part Number and Revision: 8. ICVC Software Number: Verifying the Installation 5-1
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5-2 Carrier VFD Quick Reference
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CHAPTER 6 Troubleshooting the Drive This chapter describes how to troubleshoot the drive and the equipment that is needed to do so. 6.1 Test Equipment Needed To Troubleshoot An isolated multimeter will be needed to measure DC bus voltage and to make resistance checks. Note that dedicated troubleshooting test points are not provided. 6.2 Verifying That DC Bus Capacitors Are Discharged ATTENTION: DC bus capacitors retain hazardous voltages after input power has been disconnected. After disconne
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Initial DC Bus Measurement Points POS NEG (+) (-) TP1 TP2 Figure 6.1 – DC Bus Voltage Terminals (414 Amp Drives) 6-2 Carrier VFD Quick Reference
