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Option Panel Instruction Manual Use this manual for installation and start up of drives with option panels.
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WARNING WARNING QUIPMENT AZARD ROUNDING AZARD PTION PANELS CONTAIN DANGEROUS VOLTAGES WHEN CONNECTED OR OPERATOR SAFETY IT IS IMPORTANT TO GROUND DRIVE OPTION TO LINE VOLTAGE T IS STRONGLY RECOMMENDED THAT ALL PANEL AND MOTOR PROPERLY OLLOW THE GROUNDING GUIDELINES ELECTRICAL WORK CONFORM TO THE ATIONAL LECTRICAL...
Danfoss The ECB also uses contactors to provide power to variable frequency drive (VFD or drive). To enable the motor through the drive or bypass circuitry.
Bypass Circuits EMB, an enclosure mounted Drive/OFF/Bypass/ Test switch is used to electrically select whether the Two-contactor bypass. This bypass consists of motor is driven by the drive, connected to the full- motor starter circuitry used in bypass, a bypass speed bypass, or disconnected from both.
Run permissive in bypass. With run permissive Overload protection. This thermally activated device active, the drive sends a run request and waits for a provides mechanical overload protection for the remote response to before notifying the motor to motor(s) while in bypass operation. It measures motor start.
• Main circuit breaker. A thermal/ Switch Mode Power Supply (SMPS) magnetic current interrupt device The VFD’s logic circuitry is backed up by an using an ON/TRIP/OFF/RESET independent panel-mounted switch mode power switch. When in the ON position, a supply so that, even if the drive loses power, the trip fault removes power from the control and communication functions are drive/bypass circuit and the switch...
Option Panel Configurations as drive options without bypass. See Figure 1-4 for The VLT FC Drive Series has three tiers of option descriptions and available options. panel enclosure types. These designations are universal for both the EMB and ECB panels as well Tier 1 Tier 2 Tier 3...
DANFOSS IS WILLING TO ASSIST YOU TO COLLECT CLAIMS FOR LOSS OR DAMAGE, BUT WILLINGNESS ON OUR PART DOES NOT MAKE US RESPONSIBLE FOR COLLECTION OF CLAIMS OR REPLACEMENT OF MATERIAL.
Pre-installation Check Installation Site Check 1. Compare option panel model number to • Because the option panel relies on the what was ordered. ambient air for cooling, it is important to observe the limitations on ambient air 2. Ensure each of following are rated for temperature.
Harsh Environments The mechanical and electrical components within Corrosive Chemicals the option panel can be adversely affected by the In environments with high temperatures and environment. The effects of contaminants in the air, humidity, corrosive gases such as sulfur, nitrogen either solid, liquid, or gas, are difficult to quantify and and chlorine compounds cause corrosion to occur control.
Section 3 Installation Tools Required Branch Circuit Protection In addition to the standard tool kit, the tools in Table CAUTION 3-1 are recommended for installation of the option panel. RANCH IRCUIT ROTECTION EQUIRED ROVIDE BRANCH CIRCUIT ROTECTION IN ACCORDANCE WITH THE Table 3-1.
A2-A3 distributed evenly. • Remove skid and other supports from under drive. • For floor mounting applications, a floor mounting kit is available from Danfoss specifically designed to anchor drive to floor. 28 in. min Figure 3-3. Proper Lifting Method...
• Option panels rely on the ambient air for free standing. A free-standing mounting kit is cooling, it is important to observe the available from Danfoss. limitations on ambient air temperature. See Table 3-3 for temperature rating data. • See Table 3-3 for temperature ratings.
Electrical Installation WARNING WARNING QUIPMENT AZARD NDUCED OLTAGE OTATING SHAFTS AND ELECTRICAL EQUIPMENT CAN BE HAZARDOUS UN OUTPUT MOTOR CABLES FROM MULTIPLE DRIVES SEPARATELY T IS STRONGLY RECOMMENDED THAT ALL ELECTRICAL WORK NDUCED VOLTAGE FROM OUTPUT MOTOR CABLES RUN TOGETHER CONFORM TO ALL NATIONAL AND LOCAL REGULATIONS CAN CHARGE EQUIPMENT CAPACITORS EVEN WITH THE EQUIPMENT NSTALLATION...
Electrical Installation Component Identification location for that specific unit. Figure 3-7 represents Mechanical layout drawings are provided inside the a typical layout drawing. Table 3-4 provides cover of each unit with an option panel. These definitions for drawing reference designators. (Not illustrations are intended to provide the installer or all reference designators are shown.) equipment user with component identification and...
Electrical Installation Control wiring Wire and Cable Access Motor power • Determine the wiring path through the option panel enclosure. See the mechanical layout drawing located on the inside cover of the unit for locations to connect power and motor wiring. Input power •...
Electrical Installation Input Line Connection Wire Size NOTE NOTE AKE ALL POWER CONNECTIONS WITH MINIMUM RATED UN INPUT POWER MOTOR WIRING AND CONTROL WIRING IN THREE COPPER WIRING FOR INSTALLATIONS IN ORTH MERICA SEPARATE METALLIC CONDUITS OR RACEWAYS FOR HIGH FREQUENCY NOISE ISOLATION AILURE TO ISOLATE POWER MOTOR AND...
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Electrical Installation Motor Wiring Grounding (Earthing) WARNING WARNING NDUCED OLTAGE ROUNDING AZARD UN OUTPUT MOTOR CABLES FROM MULTIPLE DRIVES SEPARATELY OR OPERATOR SAFETY IT IS IMPORTANT TO GROUND OPTION NDUCED VOLTAGE FROM OUTPUT MOTOR CABLES RUN TOGETHER PANEL PROPERLY AILURE TO GROUND OPTION PANEL PROPERLY CAN CHARGE EQUIPMENT CAPACITORS EVEN WITH THE EQUIPMENT COULD RESULT IN DEATH OR SERIOUS INJURY TURNED OFF AND LOCKED OUT...
Electrical Installation Control Wiring Serial Communication Bus Connection Detailed instructions for terminal functions, control The ECB reports serial communication data to host wiring installation, and operation is shown in Section systems through the drive. Connection to the serial 5 Electromechanical Bypass (EMB) Operation and communication network is made either through the Section 6 Electronically Controlled Bypass (ECB) EIA-485 terminals on the drive (Figure 3-10) or, for...
Section 4 Start Up Pre-start Procedure 7. Confirm control connections terminated per connection diagrams supplied with the equipment. 1. Input power to unit must be OFF and locked out per OSHA requirements. Do not 8. Check for external devices between drive rely on panel disconnect switches.
Inspection Prior to Start Up Before applying power to the unit, inspect the entire installation as detailed in Table 4-1. Table 4-1. Inspection Prior to Start Up Inspect For Description Auxiliary Look for auxiliary equipment, switches, disconnects, or input fuses/circuit equipment breakers that may reside on input power side of drive or output side to motor.
Start Up Procedure In the following procedures, changing the equipment CAUTION between drive mode and bypass mode is required. Changing modes is different for the ECB and EMB. OTOR TART The ECB uses pushbuttons on the drive keypad NSURE THAT MOTOR SYSTEM AND ANY ATTACHED EQUIPMENT IS while the EMB uses switches on the front of the...
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8. Check motor rotation direction in bypass 11. Check full load amps in bypass mode on as follows. motor terminals. a. Momentarily bump motor in bypass. a. Put unit into bypass mode. b. Confirm directional rotation. b. Check full load amps on terminals T1, T2, and T3.
Section 5 Electromechanical Bypass (EMB) Operation Figure 5-1. Customer-side EMB2 Control Card Terminal Connctions Table 5-1. EMB2 Control Card Terminal Functions Conn. Term. Input/Output Type Function Input Normally open, dry relay contact Closed when motor can start to run Input Input Normally open, dry relay contact Closed for remote start with common...
Typical Control Connections for Common HVAC Applications Table 5-2 lists EMB2 default parameter settings for Switch S103 bypass operation. If the drive is reinitialized, be sure Autobypass Timer that these settings are maintained or reset for proper bypass operation. Table 5-3 lists common functions for controlling a motor(s) with a bypass and the typical terminal connections used.
EMB(0) and EMB1 The electromechanical bypass is available in two additional types, the EMB(0) and EMB1. Each has Terminal X55 reduced functionality from the EMB2. The figures and tables below list for features and functions available in either type. Table 5-6 lists EMB1 default parameter settings for bypass operation.
• If the timer completes its cycle before EMB Auto bypass the fault clears, the panel trips into General Information bypass mode and the motor runs at Auto bypass allows a fault condition in the constant full speed from line input drive to activate running the motor in bypass voltage.
EMB Common Run/Stop To Disable Common Run/Stop • Common run/stop is enabled by General Information factory default when ordered. • To disable the feature, jumper termi- The common run/stop function provides remote run and stop control of the motor(s) in nals 3 and 4 on connector X55.
EMB Run Permissive Run Permissive Function Setup • Remove factory-installed jumper wire General Information on connector X55, terminals 1 and 2. • Wire the output run request to connec- Run permissive allows a remote signal to notify the drive to start, indicating the system tor X58, terminals 1 and 2.
EMB Overload motor inrush current for 20 seconds while the motor is ramping up to synchronous speed. General Information The trip time, however, is based on the The overload device provides overcurrent percentage of overload. The higher the protection for the motor when running in overload, the shorter the trip time.
EMB Safety Interlock EMB Fire Mode General Information General Information The safety interlock feature prevents the drive The fire mode function is built-in. Fire mode or bypass from operating. For operation in runs the motor at full speed in bypass and is drive or bypass, the safety interlock input intended to ignore common safety, overload, contact must be closed.
EMB Fault Reporting EMB Switches Bypass selector switch. The bypass General Information selector switch is used for either the 2- A fault indication is provided if the drive contactor or 3-contactor bypass. experiences a fault or bypass input power is •...
Section 6 Electronically Controlled Bypass (ECB) Operation Overview Programming and display are provided by the Information provided in this section is intended to drive’s local control panel (LCP). See Figure 6-1. An enable the user to connect control wiring, program important feature of the ECB is the ability to accept functions, and operate the ECB and its optional commands from a building automation system...
500 Ω. use with the MCT-10 programming software 10 VDC analog supply voltage. 15 mA maximum commonly available on the Danfoss website. used for a potentiometer or thermistor. 53, 54 Analog input. Selectable for voltage (0-10 V) or current (0- or •...
ECB Control Card The ECB control card (Figure 6-3) provides input connector X57 for commanding bypass operation remotely and output connector X59 for reporting the BOARD bypass mode of operation, either drive mode or running in bypass. EXTERNAL 24 V SUPPLY See Table 6-3 for ECB control card terminal types CUSTOMER 0-24 VDC...
Table 6-3. ECB Card Terminals Input Term. Function Type Conn. Digital input for safety stop User supplied dry contact Common User supplied dry contact Factory use only No function Factory use only Factory use only Factory use only Digital input for remote bypass enable User supplied dry contact Digital input overrides system to User supplied dry contact...
ECB Drive or Bypass Selection 2. When running in bypass mode, press OK Use the drive keypad and display to switch between key on keypad to activate drive mode or the motor running in drive mode or bypass when press CANCEL to remain in bypass mode. operating in local control.
ECB Programming 3. Press OK key to enter selected parameter Use the drive keypad and display for programming group. ECB functional options. All programming options 4. Use UP or DOWN arrows to scroll through appear in numbered parameters. Parameters are parameter list.
ECB Hand/OFF/Auto Operation • HAND ON allows the user to start the General Information motor locally from the keypad. Press The HAND ON, OFF RESET, and AUTO ON the HAND ON to start the motor locally keys on the drive keypad control both the either in drive or bypass mode.
ECB Mode of Operation Bypass mode. The motor operates at full speed across the line when a run command General Information is present. Contactor M3 is closed and M1 The ECB has four modes of operation: drive, (optional) and M2 are open. bypass, auto bypass, and test.
Table 6-6. Parameter 31-10 Bypass Status Word Bit Definitions Description Test Mode The Test Mode bit will be true when the ECB is in Test Mode. Drive Mode The Drive Mode bit will be true when the ECB is in Drive Mode. Automatic Bypass Mode The Automatic Bypass Mode bit will be true when the ECB is in Automatic Bypass Mode.
• ECB Auto Bypass Once auto bypass is activated, the only way to reset the unit back to drive mode is by operator intervention. Ensure that General Information the fault has been cleared, then press Auto bypass allows a fault condition in the drive the BYPASS key on the drive keypad to activate running the motor in bypass without and select drive mode.
ECB Run Permissive Run Permissive Function Setup • See the drive manual or support General Information materials for programming and wiring With run permissive active, the drive sends a to the drive control terminals. • Wire the output run request to the run request and waits for a remote response to before notifying the motor to start.
ECB Overload operating temperature. This allows for high motor inrush current for 20 seconds while the General Information motor is ramping up to synchronous speed. An overload device provides overcurrent The trip time, however, is based on the protection for the motor when running in by- percentage of overload.
ECB Safety Interlock ECB Common Run/Stop General Information General Information The safety interlock feature prevents the drive The common run/stop function provides or bypass from operating. Only a fire mode remote run and stop control of the motor(s) command to run overrides this function. For while in either drive or bypass.
An ECB card failure or communication Operation error could cause this. Contact Danfoss • Activation of fire mode is accom- using the phone number on the back of this plished by programming the drive for manual for technical support if this happens.
Section 7 Non-bypass Component Functions Power Fusing Disconnects For all option panel power fuses, use the specified Main disconnect. The main discon- fuse or an equivalent replacement only. See the nect removes line input power to the fuse ratings label on the inside cover of the unit for drive and option panel.
Motor Options Prior to Enabling Dual Motor Operation • Complete the start-up procedure to The drive with bypass has three motor combination options available for drive control or for running in verify each motor rotation direction is bypass: single motor, dual motor, or contact motor correct and that the system is ready in select.
Contactor Motor Select Motor Select Status • The EMB option panel reports the General Information motor selected in either local or Contactor motor select (CMS) is an option remote operation. available for one drive alternating operation between two motors. Contactors M4, M5, Contactor Motor Select Function Setup and switch SW2 are added in the option For EMB(0) or ECB, see the connection...
Section 8 Start Up Troublehooting Option Panel Alarm and Warnings Table 8-1. Option Panel Alarms and Warnings Code Title Definition Number Overload Trip Motor overload has tripped. Indicates excess motor load. Check motor and driven load. To reset press the OFF/Reset key.
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ONTROLS Danfoss can accept no responsibility for possible errors in catalogs, brochures or other printed material. Danfoss reserves the right to alter its products at any time without notice. This also applies to products already on order provided that such alterations can be made without subsequent changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.
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