ABB ACH550 Operation & User’s Manual

ACH550 Drive Manuals GENERAL MANUALS ACH550-UH HVAC User's Manual (1…550 HP) • Safety • Installation • Start-Up • Embedded Fieldbus • Fieldbus Adapter • Diagnostics • Maintenance • Technical Data Input Disconnect Configurations (PC or PD) for ACH550 Drives (1…550 HP) • Safety • Installation • Start-Up • Technical Data E-Bypass Configurations (BC, BD, VC or VD) for ACH550 Drives (1…4 ...

1 Safety Safety WARNING! The ACH550 adjustable speed AC drive with E-Bypass should ONLY be installed by a qualified electrician. WARNING! Even when the motor is stopped, dangerous voltage is present at the Power Circuit terminals U1, V1, W1 and U2, V2, W2 and, depending on the frame size, UDC+ and UDC-, or BRK+ and BRK-. WARNING! Dangerous voltage is present when input power is connected. After disconnecting the su ...

Safety Use of Warnings and Notes There are two types of safety instructions throughout this manual: • Notes draw attention to a particular condition or fact, or give information on a subject. • Warnings caution you about conditions which can result in serious injury or death and/or damage to the equipment. They also tell you how to avoid the danger. The warning symbols are used as follows: Dangerous voltage w ...

3 Table of Contents Table of Contents Safety Use of Warnings and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Table of Contents Installation Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 E-Bypass Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Instal ...

Installation Installation Study these installation instructions carefully before proceeding. Failure to observe the warnings and instructions may cause a malfunction or personal hazard. WARNING! Before you begin read "Safety" on page 1. WARNING! When the ACH550 with E-Bypass is connected to the line power, the Motor Terminals T1, T2, and T3 are live even if the motor is not running. Do not make any connections wh ...

5 Installation The following shows the front view of the ACH550 E-Bypass vertical configuration, and identifies the major components. The following shows the front view of the ACH550 E-Bypass standard configurations, and identifies the major components. BP0091 E-Bypass Bypass Keypad Operating Handle for Disconnect Switch or Circuit Breaker ACH-CP-B Control Panel ACH550 Drive BP0092 ACH-CP-B Bypass Keypad Operating ...

Installation The following is a typical power diagram. Installation Flow Chart The installation of E-Bypass Configurations for ACH550 drives follows the outline below. The steps must be carried out in the order shown. At the right of each step are references to the detailed information needed for the correct installation of the unit. Task Reference in ACH550-UH User’s Manual “Installation” section Reference ...

7 Installation Preparing for Installation (Supplement to ACH550-UH User’s Manual) Drive Identification Drive Labels To determine the type of drive you are installing, refer to either: • Serial number label attached on upper part of the chokeplate between the mounting holes. • Type code label attached on the heat sink – on the right side of the unit cover. Type Code Use the following chart to interpret the t ...

Installation Ratings and Frame Size The chart in the “Ratings” section of the ACH550-UH User’s Manual lists technical specifications, and identifies the drive’s frame size – significant, since some instructions in this document vary, depending on the drive’s frame size. To read the Ratings table, you need the “Output current rating” entry from the type code (see above). Also, when using the Rating ...

9 Installation Wiring Overview (Supplement to ACH550-UH User’s Manual) Connection Diagrams – Vertical E-Bypass ACH550 Vertical E-Bypass units are configured for wiring access from the bottom only. The following figure shows the Vertical E-Bypass wiring connection points. Refer to the ACH550-UH User's Manual for control connections to the drive. BP0054 ACH550 E-Bypass Control Board Terminals (X2) Disconnect Swit ...

Installation Connection Diagrams – Standard E-Bypass (Wall Mounted) ACH550 Standard E-Bypass units are configured for wiring access from the top. The following figure shows the Standard E-Bypass (wall mounted) wiring connection points. Refer to the ACH550-UH User's Manual for control connections to the drive. BP0051 ACH550 Motor Input Power Ground Lug(s) Terminals E-Bypass Control Board Terminals (X2) Terminal ...

11 Installation Connection Diagrams – Standard E-Bypass (R7/R8, Floor Mounted) ACH550 Standard E-Bypass units are configured for wiring access from the top. The following figure shows the Standard E-Bypass (floor mounted) wiring connection points. Refer to the ACH550-UH User's Manual for control connections to the drive. BP0056 ACH550 Input Power Ground Lug Bar Terminals E-Bypass Control Board Terminals (X2) BP00 ...

Installation Install the Line Input Wiring (Supplement to ACH550-UH User’s Manual) Line Input Connections – Vertical E-Bypass Configurations Connect the input power to the terminals at the bottom of the disconnect switch or circuit breaker as shown below. Also see "Connection Diagrams – Vertical E-Bypass" on page 9. Connect the equipment grounding conductor to the ground lug near the input power connection ...

13 Installation Install the Motor Wiring (Supplement to ACH550-UH User’s Manual) Motor Connections – Vertical E-Bypass Configurations Connect the motor cables to the terminals at the bottom of the bypass section as shown in the figure below. Also see "Connection Diagrams – Vertical E-Bypass" on page 9. Connect the motor grounding conductor to the ground lug near the motor cable terminal block connection point ...

Installation • X2 terminal data are provided in "Basic Control Connections for Separate Drive Run & Bypass Run Commands" on page 15. • Basic connections are described in the following paragraphs. • Alternate configurations using the E-Bypass macro are described in "The Bypass Application Macro" on page 32. • On Terminal Block X1 inside the ACH550, analog inputs and outputs and additional digital input an ...

15 Installation Basic Control Connections for Separate Drive Run & Bypass Run Commands Parameter Number Description Setting 1001 EXTERNAL 1 COMMANDS 1 (DI1) 1002 EXTERNAL 2 COMMANDS 1 (DI1) 1601 RUN ENABLE 2 (DI2) 1401 RELAY OUTPUT 1 7 (STARTED) 1403 RELAY OUTPUT 3 3 (FAULT (-1)) X1 Terminals on ACH550 Control Board 1 Terminal for signal cable shield 2 Analog Input Channel 1 3 Analog Input Common 4 10 V / 10 mA Ref ...

Installation Keypad Control Tests Apply power to the E-Bypass unit. The display should show the operating status of the drive. If the motor is a standard 208 V, 60 Hz motor connected to a 208 V drive or a 480 V, 60 Hz motor connected to a 480 V drive, the default parameter settings should be suitable for the initial tests described below. If the motor’s rating is not 208 V or 480 V, 60 Hz, the MOTOR NOM VOLT a ...

17 Installation very specific application requirements make it necessary to use this type of motor control. Operation using the “Vector: Speed” setting is unnecessary for control of almost all fan and pump applications. Refer to the ACH550-UH User's Manual for details on setting parameters. 8. Press the Drive Select key on the bypass keypad. The Drive Select LED should be illuminated. 9. Press the HAND key on t ...

Installation If the Start/Stop, Safety Interlock and Run Enable input contacts are closed and the system is in the Drive mode with the drive in either Hand or Auto mode, the motor will start on the drive as soon as power is applied. In order to prevent the motor from starting, the system should be in the Drive mode and the drive should be OFF when the power is disconnected at the end of the previous series of te ...