VTSC100 Transfer Switch Controller User Manual Rev 1.3
Contents
1. j i Connector q T 12 Position Connector Relay Relay Relay RSC TDEC TDES TONE TOEN 5 Position Connector iii TTT 12 24VDC LED Annunciator de BDO Drawing not to scale Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 10 TIMER SETTINGS F DANGER Never adjust settings with AC power on This controller and transfer switch mechanism contain dangerously high voltage Signs should be placed in transfer switch vicinity to indicate this important safety measure a M S DANGER Never adjust settings with AC power on Completely isolate all sources of AC power from controller and transfer switch mechanism before making any adjustments All necessary timing functions of the VTSC100 are configurable through the use of on board potentiometers POTS Each pot has a 270 degree adjustment rotation and can be increased by turning the pot clockwise and decreased by turning the pot counter clockwise using the included pot adjustors Note The TDNP potentiometer is not included on the VTSC100 240 12 X version Test Test Relay RSC Switch Normal TDEC TDES TONE z TDNP 5 Position Connector 12 24VDC Jumper 2S ET Adjustable Location fs Pots 1 a LED Annu nciator Test Point Gober Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 11 The following adjustable timing functions are included in the VTSC1002. Adjustable es Dip Switch LED Annunciato Test Foint Eees 120 240 OR 277 480 VAC SYSTEM VOLTAGE SETTING DO NOT ADJUST Please note that this setting is factory set and must not be adjusted by the customer Improper system voltage settings may cause the controller to function improperly 120 240 and 277 480 VAC systems require specific hardware so simply adjusting this setting in the field will not convert the system voltage of the board The dip switch in location 1 on the VTSC100 is used at the factory to set the unit for 120 240 or 277 480 VAC systems Boards with the following Product Number Identification must have switch location 1 in the OFF position 1 VTSC100 240 12 X 2 VTSC100 240 12 D Boards with the following Product Number Identification must have switch location 1 in the ON position 1 VTSC100 480 12 D Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 14 50 60 HERTZ SETTING A A Please note that this setting 1s factory set for a 60 HZ system If the unit 1s being installed into a 50 HZ system the unit will need to be manually adjusted using the 50 60 HZ setting Improper system frequency settings may cause the controller to function improperly The dip switch located on the VTSC100 is used to set the unit for 50 or 60 Hz systems When switch location 2 is ON the system is configured for 60 Hz When switch location 2 is OFF the unit is c
3. 50 a A les le loe e pe a oe ON pion77vac LA o 70 2 Je es e 1 el POPE lo ON Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 19 MANUAL TEST CONFIGURATION DANGER Never adjust settings with AC power on This controller and transfer switch mechanism contain dangerously high voltage Signs should be placed in transfer switch vicinity to indicate this important safety measure j b DANGER Never adjust settings with AC power on Completely isolate all sources of AC power from controller and transfer switch mechanism before making any adjustments Test Test Relay RSC FRESIA ae Normal TDEC TDES TONE TOEN TONP 5 Position 3 Connector 12 24V4DC e LED au cier Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 20 The VTSC100 has an on board test switch included for manual testing of the transfer switch mechanism The VTSC100 test switch may be used to test the system under a load condition Testing may be preformed simply by setting the test switch to the test position The test position would be the position farthest from the adjustable pots Test Switch Test Normal Test Switch Please note that this setting 1s factory set with the test switch in the normal position Installing controller with test switch set to the test position will initiate an engine start up even when the utility source 1s with
4. 24 24VDC X No Neutral Delay Example The product number VTSC100 480 12 D would be described as follows The transfer switch controller was designed to operate in a single or three phase 480V AC 12VDC system The controller is capable of performing the Delay on Neutral TDNP function Operating amp Installation Manual for the VTSC100 Transfer Switch Controller WIRING GUIDELINES VTSC100 does not support Delta configurations 1 DO NOT use wire smaller than 16 AWG on terminals 1 2 3 and 4 of the 5 position connector for 12 24VDC battery ground RSC1 or RSC2 connections 2 DO NOT use wire smaller than 18 AWG on terminal 5 of the 5 position connector for the test switch input 3 DO NOT exceed the maximum rated current and voltage on the Remote Start Contacts RSCI amp RSC2 Do not exceed 10 amps for RSC1 amp RSC2 4 The remote start connections from the timer module are internally fused If fusing is replaced use a 10 AMP automotive style fuse 5 Do not switch AC voltages with remote start connections from timer module 6 Jumpers must be installed in the 12 24VDC jumper location on the VTSC100 for 12VDC operation 12 24 VDC OPERATION Relay RSC The VTSC100 controller is designed to operate ina 12 OR 24 VDC system voltage In 12VDC system operation the controller requires that jumpers be installed in the 12 24VDC jumper location In 24VDC system operation the controller requires that Dip Switch
5. Any adjustments must be made by qualified electricians only Accurate adjustments may be performed following the test point measurements described on page 12 1 TDEC Time Delay Engine Cool Adjustable from 0 to 256 seconds This delay allows the engine to continue running after the transfer switch returns to the normal position When the VTSC100 recognizes that the transfer switch is in the normal position after an emergency to normal transfer the generator will continue to run under a no load condition until the engine cool time delay has expired The factory default setting for time delay engine cool is 256 seconds pot resolution is 1 second per each 20mV 2 TDES Time Delay Engine Start Adjustable from 0 to 32 Seconds This delay prevents unnecessary engine starts When a utility failure is recognized by the VTSC100 the engine start time delay period must expire before sending a signal to the generators automatic start controller If the utility source is restored before the time delay expires the transfer switch will stay in its normal position and no signal will be given for automatic start The factory default setting for time delay engine start is 10 seconds pot resolution is second per each 160mV 3 TDNE Time Delay Normal to Emergency Adjustable from 0 to 64 seconds This delay allows the generator to stabilize before any load is transferred When the VTSC100 recognizes that the generator has started the transfer switch will w
6. amp Installation Manual for the VTSC100 Transfer Switch Controller
7. no jumpers be installed in the 12 24VDC jumper location LED Annunciator A total of five jumpers need to be installed for Jumper not Jumper 12VDC operation as illustrated installed installed for 24VDC for 12VDC Installing jumpers in the 12 24 VDC jumper locations for 24VDC system operation may damage the VTSC100 controller QQ La C Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 5 POSITION TERMINAL DESCRIPTION Description 12 24 VDC Battery power terminal Battery ground connection for the timer module A good ground connection directly from the battery is required for proper operation RSC1 provided for the connection of one lead from the remote start contacts of engine controller J27 4 RSC2 provided for the connection of one lead from the remote start contacts of engine controller Test switch input apply ground to simulate loss of utility 9 POSITION TERMINAL DESCRIPTION Description Normal Phase A Normal Neutral Neutral Normal Phase B Neutral Emergency Phase A Normal Phase C J1 8 Emergency Phase C Emergency Phase B 12 POSITION TERMINAL DESCRIPTION Emergency Output Bl Trip Coil AT1 Trip Coil BT1 Normal A 120V Normal A 120V Exerciser Input Normal Output Al J3 11 Not used J3 12 Exerciser Ground Operating amp Installation Manual for the VTSC100 Transfer Switch Controller VTSC100 GENERAL LAYOUT O 9 Position O
8. DYNAGEN power controls you can trust VTSC100 Transfer Switch Controller s 5 r F e le VTSC100 Transfer Switch Controller Installation and User Manual Full Version File MAN 0068 R1 3 VTSC100 User Manual doc Oct 2010 Thank You for Purchasing This DynaGen Product Please Read Manual before Installing Unit Receipt of Shipment and Warranty Return Information Upon receipt of shipment carefully remove the unit from the shipping container and thoroughly examine the unit for shipping damage In case of damage immediately contact the carrier and request that an inspection report be filed prior to contacting DynaGen All returned items are to be shipped prepaid and include a Return Material Authorization RMA number issued by DynaGen RMA forms are available by contacting DynaGen Technical Support through the contact methods listed below Limited Warranty For warranty information refer to the standard terms and conditions of sale at http www dynagen ca Dynagen VTS Webpage For up to date manuals and other information please see the VTS section of the Dynagen website at http www dynagen ca products VTS htm Operating amp Installation Manual for the VTSC100 Transfer Switch Controller Table of Contents INTRODUCTION SPECIFICATIONS VTSC100 Identification Wiring Guidelines 12 24VDC Operation Terminal Description Outline Dimension Drawing TIMER SETTINGS TDES TDNE TDEN TDEC TDNP Delay on Ne
9. accuracy 1 accuracy Emergency Line Dropout 11 18 Dropout 18 Sensing Under Pickup 6 13 Pickup 13 Voltage 2 accuracy 2 accuracy Emergency Line 5 12 12 Sensing Under Frequency 1 accuracy 1 accuracy Over Under Voltage Dropout 11 18 Pickup 6 13 adjustable Sensing Percentage above or below normal voltage to recognize an unacceptable voltage condition 2 accuracy Over Under Frequency 5 12 adjustable Sensing Percentage above or below normal freq to recognize an unacceptable frequency condition 1 accuracy Test Input Included for remote test switch Test switch Included Overall Dimensions 8 511 x 3 75 x 1 7 Feature only included on VTSC100 240 480 12 24 D Boards Not on X types Operating amp Installation Manual for the VTSC100 Transfer Switch Controller VTSC100 Product Number Identification The Vigilant Transfer Switch controller product numbering scheme provides significant information pertaining to a specific model The product Number Identification Table see Table 1 provides the required information An example is offered to initially simplify the process A product number VTSC100 XXX XX X would consist of a combination of information from the following table TABLE1 IDENTIFICATION TABLE Position 1 7 Position 9 11 Position 13 14 Position 16 AC Voltage DC Voltage Neutral Delay VTSC100 240 240VAC 12 12VDC D Neutral Delay 480 480VAC
10. ait until the normal to emergency time delay has expired before switching to the neutral and emergency position This normal to emergency time delay allows the generator to be fully running before supplying power to a load The factory default setting for time delay normal to emergency will be 10 seconds pot resolution is second per each 80mV 4 TDEN Time Delay Emergency to Normal Adjustable from 0 to 256 seconds This allows the utility source to be monitored for stability When the VT SC100 recognizes that the utility source has been restored the transfer switch will wait until the emergency to normal time delay has expired before switching to the neutral and normal position This emergency to normal time delay allows the utility to be monitored for the set amount of time to confirm that it 1s fully restored and stable The factory default setting for time delay emergency to normal is 256 seconds pot resolution is 1 second per each 20mV 5 TDNP Delay on Neutral time Adjustable from O to 64 seconds This delay allows the transfer switch to temporarily stop between normal to emergency and emergency to normal transfers The temporary stop allows controlled isolation between the both normal and emergency sources Performing a set time delay between normal to emergency and emergency to normal transfers allows controlled protection against both the normal and emergency power sources to ever become connected simultaneously The factory default
11. ated or flashing depending upon the condition or status of the controller The VT SC100 will display status via the external LED board when the transfer switch has been initiated to be in the normal position emergency position as well as when a transfer is initiated to go in to neutral position A status LED from the external LED board is also used to display to the user when a power failure is simulated When a utility failure is simulated either manually by the user or automatically by the engine exerciser an LED from the VI SC100 s external LED board indication this condition will illuminate Operating amp Installation Manual for the VTSC100 Transfer Switch Controller VTSC100 Specifications VTSC100 does not support Delta configurations DC Voltage Rating 12 24 VDC Voltage Range 9 30 VDC DC Power Cons 25mA O 12 VDC A A Y r AI A Current Ratin 10A remote start dry contacts Control Setting Function Range Default Setting Engine Start 1 56Vdc TP J2 1 Time Delay 0 64 seconds 10 seconds Transfer to 0 78Vdc TP J2 2 Emergenc Transfer to Normal 5 00Vdc TP J2 3 Time Delay 0 256 seconds 256 seconds Engine Cooldown 5 00Vdc TP J2 4 Time Delay Neutral 0 64 seconds 10 seconds Position 0 78Vdc TP J2 5 see note below Normal Line Dropout 11 18 Dropout 18 Sensing Under Pickup 6 13 Pickup 13 Voltage 2 accuracy 2 accuracy Normal Line 5 12 12 Sensing Under Frequency 1
12. f an over under voltage or frequency condition on any or all phases of the normal power supply In the event of a drop or loss of utility power the onboard VISC100 sensing circuitry will begin the initiation of the transfer process Upon initial sensing of a loss of utility power the Vigilant series transfer switch is specifically designed to allow an engine start time delay period TDES to expire before starting the generator This engine start time delay is user adjustable from the VISC100 preventing unnecessary engine Starts from a temporary loss of utility In the event the utility source is not restored after the engine start time delay has expired the remote contacts will close sending a signal to the generator s automatic start controller When the VISC100 senses that the generator has started and is within acceptable limits the transfer switch will wait until the normal to emergency time delay TDNE has expired before switching to the neutral position While in the neutral position the transfer switch will transfer back to normal supply if the utility is restored With no utility source the transfer switch will stay in the neutral position until the delay on neutral time has expired allowing the transfer switch to temporarily stop at the neutral position during either the normal to emergency or emergency to normal transfers The temporary stop allows controlled isolation between both normal and emergency sources After the neutral delay ha
13. ilable and within acceptable range Emergency Red Solid The Emergency LED will represent the Available emergency power source An illuminated LED indicates that the emergency power source 1s available and within acceptable o range Transfer to Green Solid This indicates that the transfer switch has Normal been commanded to go to the normal position The led will also be illuminated a during engine start time delay as well as normal to emergency time delay Flashing This indicates that the transfer switch will be commanded to transfer to the neutral position after any delay has expired This indicates that the transfer switch has been commanded to go to the emergency position The led will also be illuminated during emergency to normal time delay Transfer to Red Emergency w Flashing This indicates that the transfer switch will be commanded to transfer to the neutral position after any delay has expired Exer Test Y ellow Solid This indicates that the VTSC100 is being Run controlled by either an exerciser or test command When the transfer switch is functioning from an exerciser or manual test the Exerciser Test LED will be illuminated Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 23 LOGIC SEQUENCE The VTS series transfer switch in combination with DynaGen s VTSC100 timing module will allow for the automatic transfer of an electrical load to a stand by power source in the event o
14. in acceptable limits Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 21 LED INDICATIONS The VTSC100 includes an on board TDES TDNE connector for LED indication This x 6 pin connector is easily attached to an external LED board The connector and LED board are attached by a cable which 12 24VDC has a locking connection to eliminate Jumper 29 improper installation The external LED Location ES EER GRRE board will indicate the status of the Aa VTSC100 The LED board has five LED s LED Annunciation to represent specific conditions SONHOS Conditions include normal utility source emergency power source transfer to normal TTN command transfer to emergency TTE command and exerciser test condition Specific LED s may be illuminated solid or flashing depending on the status of the VTSC100 For a full description of the LED indications see the following display and table LED Annunciation Connector wand TRAMITA PATEH auromanio TE NORMAL AVAILABLE yIiGILANT EMERGENCY AVAILABLE TRANSFERRED TO NORMAL TRANSFERRED TO EMERGENCY EXER TEST RUN Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 22 LED DESCRIPTION LED LED LED Indication DESCRIPTION COLOR STATUS Normal Green Solid The Normal LED will represent the utility Available power source An illuminated LED indicates that the utility power source 1s e ava
15. onfigured for 50 Hz systems The 50 60 Hz connection is used as follows EN Switch A eee OR Ip 2 FF ON o o O SZ 6OHRZ ON Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 15 LOAD NO LOAD SETTING The dip switch located on the VI SC100 is used to set the load no load setting When switch location 3 is ON the system is configured for a load condition When switch location 3 is OFF the unit is configured for a no load condition This setting applies to the engine exerciser only This setting allows for exercising or testing of the transfer switch under a load or no load condition When exercising the transfer switch under a load condition the switch will transfer to generator emergency power When exercising the transfer switch under a no load condition the switch will not transfer and stay in the normal power position E Function Dip Switch Load No Load _ NoLoad OFF Lod Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 16 OVER UNDER VOLTAGE SETTINGS Please note that the default factory setting 1s for an 18 dropout and 13 pickup failure range The VTSC100 is set for a less selective condition higher percentage selection as default The default setting is an appropriate operating range especially if the transfer switch 1s being installed into an electrical system prone to fluctuations A narrower ope
16. rating range may be selected 1f appropriate The dip switch located on the VTSC100 is used to set the Over Under voltage setting Depending upon the positions of Dip Switch locations 4 5 and 6 the VTSC100 will determine when to recognise a utility voltage failure When switch location 4 5 and 6 are ON the system is configured for an 11 Dropout range and a 6 Pickup range An example of an 11 dropout and a 6 pickup range for a standard 120VAC system would be as follows the controller would recognise a failure at 133 2V or at 106 8V When the voltage goes above 133 2V a failure is recognized The failure will be recognized until the voltage goes below 127 2V See example for a 120V system with an 11 dropout and a 6 pickup Under Over Voltage _Over voltage diagram Under voltage diagram 133 2 _ 9 Normal Good Vl co 112 8 120 II Nomal 06 8 Bad Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 17 OVER UNDER FREQUENCY SETTINGS P lease note that the default factory setting is for a 12 failure range The VT SC100 is set for a less selective condition higher percentage selection as default The default setting is an appropriate operating range especially if the transfer switch is being installed into an electrical system prone to fluctuations A narrower operating range may be selected if appropriate The dip switch located on the VTSC100 is used to set the Over Under freq
17. s expired the transfer switch will complete the transfer to the destination source All connected loads will be transferred to the emergency power source While the transfer switch is in the emergency position the VTSC100 will constantly monitor the utility source voltage and frequency status Once the utility source is restored the transfer switch will wait until the emergency to normal time delay TDEN has expired before switching to the neutral position The TDEN delay is user adjustable from the VISC100 to prevent unnecessary transfers caused by momentary utility restoration conditions If the utility source remains stable after the emergency to normal time delay expires the transfer switch will transfer to the neutral position The transfer switch will stay in the neutral position until the delay on neutral time has expired If the utility source fails during this delay period there will be a transfer back to the emergency position When the delay on neutral time expires the transfer switch will transfer to the normal position All connected loads are transferred to the normal power source When connected loads are transferred back to the normal power source an engine cooldown period TDEC will be initiated allowing the generator to run in a no load condition This engine cooldown time delay is user adjustable from the VISC100 allowing the generator to continue running for an adjustable period after the normal utility is restored Operating
18. setting for time delay neutral position will be 10 seconds pot resolution is 1 second per each 80mV TDNP adjustments are optional and are only included on D type boards X boards do not have this feature Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 12 Test Point Measurements All timing adjustments may be accurately made by measuring the reference voltage supplied at the test point connector located on the VI SC100 A volt meter may be used to manually measure and adjust the time delay functions Simply install the voltage meter between the proper test point terminal and ground The following formula may be used for proper adjustments 5 Position Connector Test Point voltage Desired time in seconds Max en 1224 VDC time in seconds x 5 z Example For a Time Delay Engine Start TDES of 10 Seconds Test Point voltage 10 32 x 5 Test Point voltage 1 5625 VDC for TDES Relay RSC TDES 5A 104 1 TDEC A 5 Position Connector 12 24VDC at is st Point 4 _ 7 ooo gt Test point 1 TDEC Test Point Test point 2 TDES 4 Q O O O O 5 Test point 3 TDNE at l OU QUO Test point 4 TDEN m a zZ l Com 2 VU Test point 5 TDNP Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 13 Test Test Relay RSC Switch Normal TDES TDNP TDEC 5 Position F Connector 12 24VDC ais Dip Switch
19. uency setting Depending upon the positions of dip switch locations 7 8 and 9 the VTSC100 will determine when to recognize a utility failure When switch location 7 8 and 9 are ON the system is configured for a 5 failure range If the utility frequency varies to 5 over or 5 under the normal system utility frequency the frequency will be recognized as a failure For example if dip switch locations 7 8 and 9 are ON the over frequency setting would be 63Hz for 60Hz systems When the frequency goes above 63Hz a failure is recognized When the frequency goes below 57Hz a failure is recognized See example for a 120V system with a 5 Over Under frequency rating Dip Switch Under Over Frequency hee 11 OFF 10 Over freq diagram Under freq diagram bahr _ 60Hz 60Hz Normal 5 HzZ Bad Operating amp Installation Manual for the VTSC100 Transfer Switch Controller 18 DIP SWITCH SETTINGS MASTER CHART OT out Frequency it forr_jorr jon pT 0 OFF ON OPF pq ee fon fork fon O O IS O O IO o 6 JON ON EF gt o ON TON TON o Under Over Voltage oT PU o O F OFF OFF oF oF oN o F N OFF 1510 OFF ON ON Lu Load No Load lo lad ON y Moboad JOFR
20. utral Test point measurements 120 277 System Voltage Setting 50 60 Hertz setting Load No load Over Under Voltage setting Over Under Frequency setting DIP SWITCH SETTING MASTER CHART MANUAL TEST CONFIGURATION LED INDICATIONS LOGIC SEQUENCE O oNN Au 18 19 21 22 Operating amp Installation Manual for the VTSC100 Transfer Switch Controller INTRODUCTION The VTSC100 Transfer Switch Controller provides all the necessary timing functions for the proper operation of DynaGen s Vigilant Series Automatic Transfer Switch The VTSC100 in conjunction with DynaGen s Vigilant Series Transfer Switch allows customer adjustability for specific transfer conditions In addition to adjustability specific transfer conditions are also represented by LED illumination from the external annunciation board The VTSC100 allows customer adjustability of transfer conditions such as engine start delay delay on neutral available on 600A 1250A normal to emergency delay emergency to normal delay and engine cooldown Simple potentiometer variations will determine the amount of time the VI SC100 will wait before activating specific outputs to control transfer switch conditions Test points are provided on the VTSC100 for the accurate calibration of time delays As the VTSC100 controls DynaGen s Vigilant Transfer Switch functions specific conditions are shown by the controller on the external LED board Specific LED s will be illumin
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