GSC400 Quick Start Guide R1.4
Contents
1. Speed Sensing menu Input 1r e a H16 The speed inputs J17 and J18 are two spade terminals at the bottom middle of the Hg ooo controller next to the 2x5 pin PC configurator connector Polarity does not matter The 2L 210 voltage cannot exceed 300VAC L L If using Generator Output Method Note neutral of the electrical system must be bonded to battery ground for the speed sensing to work 1 Connect two lines from the generator AC output voltage to the speed input terminals The voltage can be line to line or line to neutral 2 Set the following menu items Signal Source set to Gen Output Rated Freq set to 50 or 60Hz depending on the frequency output of the generator 4 of 12 If using Magnetic Pickup Method 1 Connect the sensor to the speed input terminals 2 Set the following menu items single Source set to Mag Pickup Rated Freq You must know the number of teeth of the flywheel teeth and the normal running RPM of the generator Then use the tables below to determine the necessary Rated Frequency setting Rated Speed Rated Speed of Teeth of Teeth 2400 4800 80 85 90 3500 95 100 105 You can also calculate it by using the following formula Rated frequency Hz Number of teeth x Rated Speed in RPM 60 Where Number of teeth number of teeth on the flywheel the magnetic pickup sensor is attached Rated Speed the speed at which the generator produces power in RPM2. be set to Warm up RPM Disconnect The speed at which the Crank output will be terminated to disengage the starter The generator will be considered running after this point Cooldown Delay The time to let the generator cool down after load is disengaged and before the generator shuts down Crank Oil Pressure set this to 0 PSI Default is 0 PSI Shut Inhib Src Set this to Disabled Default is disabled Shut Inhib Thr Ignore this 3 of 12 Bypass Cooldown Disable to prevent users from bypassing the cool down period 3 Diesel engines only If using a glow plug go to Advanced Setup Outputs Setup Extra Relay or Outputs A to C Scroll down to Glowplug to highlight Press enter to checkmark it Then with Glowplug still highlighted press enter again to go back to the previous menu This output is active during the glow plug preheat mid heat and post heat times 4 Energize to Stop If your generator requires an output to turn on to stop the generator for example to activate a solenoid to cut fuel then go to Advanced Setup Outputs Setup Then go to Extra Relay or to one of the Outputs A to C and select ETS This output is active during the ETS time 5 Warm up If using the warm up delay go to Advanced Setup gt Outputs Setup gt Extra Relay or Outputs Ato C Select Warm up The output is active when the warm up delay is expired 6 Cool down If using the cool down delay go to Ad
3. drops below 0 122VDC Open Sender Warning Failure when the voltage on the sender input rises above 4 76VDC Units Fahrenheit or Celsius units to display on controller Warning Level Failure Level set as desired The units match that set in Units CON OVA Low Engine Temperature The low engine temperature can be set to the same input as the high engine temperature Note that the temperature sensor only reads down to 72 F In the Advanced Setup go to the Low Engine Tmp and set the following 1 Input Pin Set to Analog2 Low Z PC Interface select Input Pin 2 2 Warning Level Set as desired Do not set below 759F Low Oil Pressure In the Advanced Setup Oil Pressure menu set the following 1 Input Pin Set to Analog3 Low Z PC Interface select Input Pin 3 2 Signal Source Set to DatCon 1 PC Interface select Sender 1 Bypass Delay the delay before monitoring warnings and failures on startup owitch Setting ignore shorted Sender Warning Failure when the voltage on the sender input drops below 0 122VDC Open Sender Warning Failure when the voltage on the sender input rises above 4 76VDC Units PSI or kPa units to display on controller Warning Level Failure Level set as desired The units match that in Units CON HWA Note All Senders When changing the units the controller will do a conversion of all settings to the new unit It is possible that the con
4. starts at 129 F Note Open Sender detection must be disabled if using pins 3 and 4 as the sender exceeds the 4 76V open sender detection threshold UL Ratings The following conditions must be followed for the GSC400 to remain UL certified Suitable for Use on a Flat Surface of Type 1 Enclosure Fuse replacement 40A max Field installed conductors rated 75 C copper LBLO421 R1 0 Operating Voltage 12 to 24 Vdc max 20A Operating Voltage 12 to 24 Vdc max 5A Annunciation Outputs 300 mA max per Fuel Contact Output 20 A max per terminal Fuel Contact Output 5 A max per terminal output 350 mA combined continuous continuous 34 AC Sensing 600V 0 075 mA Crank Contact Output 20 A max per terminal Crank Contact Output 5 A max per terminal Maximum Speed Sensing Rating 300 Vac Intermittent 60 sec max on Start up Intermittent 60 sec max on Start up from generator line 0 5 mA Surrounding Air Temperature Rating 45 C Surrounding Air Temperature Rating 65 C LBLO422 R1 0 Branch circuit protection with max ratings of 32V and 25A must be used on each battery supply connection Fuel Crank and Extra Relay connections 8 of 12 0 188 2750 2 611 LR gx O 1 925 i 3572 4630 1 786 2125 L929 Eo EO ee a Je i eee T M R 073 2 000 2 000 5 222 2 900 9 of 12 see Phase A E e s 1 phases u e C NE o hase Some A L1 ema 1A Fuse
5. switch opens GSC400 H versions only LCD Heater The LCD heater is disabled by default Enable it by going to Advanced Setup Other Setting LCD Heater Generator Start Shutdown 1 The GSC400 uses the Fuel output connection terminal to enable or disable the fuel or ignition system The Crank terminal is used to control the electric starter motor The GSC400 triggers a battery positive output to the Fuel terminal to begin the starting process and removes battery positive to stop the generator During starting battery positive is also on Crank for the crank period Typically the Fuel terminal is connected to the fuel solenoid or fuel pump and the Crank terminal is connected to the starter solenoid An energize to stop feature can be programmed if needed See ETS On Duration in step 2 below The Fuel and Crank are controlled by industry standard cube relays There is also an Extra Relay which has two terminals forming a dry contact and is configurable for a variety of functions Switched Outputs A to H can also be optionally configured for a variety of extra functions The switched outputs A to H are switched to battery negative and can carry a maximum of 0 2A each which can be used to drive external relays The guide will discuss only outputs A to C which are the only outputs available using the Switched Outputs Harness DWG1377 2 Set the engine logic Go to Advanced Setup Engine Logic You will need to set the followin
6. the 2x6 connector 4 he emergency stop message should disappear 1 of 12 OFF and AUTO MODES The GSC400 has three main states OFF AUTO and RUN The OFF mode prevents the GSC400 from starting up from any method except the Run Key which provides an immediate manual start on the front panel It is also the entry point to the menu system Press the Off key to go to the OFF Mode In the AUTO Mode the GSC400 will be armed to allow an automatic start from the remote start contacts low battery recharge feature exerciser feature or from Modbus RS485 Press the Auto key to go to the AUTO Mode Time Date Time Date WAITING TO START Eng Temp v a FOR LAMP TEST Battery Fuel Hours OFF MODE START ENABLED Mounting the GSC400 Wiring e The GSC400 comes with three mounting screws Do not apply a torque more than 7in Ibs See the end of this guide for the dimensions of the cutout required and the mounting screw locations Install away from high temperatures maximum 1589F 709C ambient temperature and protect from excessive vibration by using vibration isolators Do not allow wiring or harnesses to hang from the GSC400 or to place excessive force on its terminals Keep wiring loose and use strain relief Ensure that all wiring to the GSC400 is self supporting Runs of 5ft or less is recommended for sensor inputs switched outputs switched inputs and AC voltage current Menu System To configure
7. the GSC400 you must use either the GSC400 Configurator Software on your PC or use the front panel menu system The following will describe the method using the front panel menus First press the Off Key to enter the OFF Mode Then press the Enter key to enter the menu system ADVANCED SETUP Password 4 BACK A BACK CLOCK SETUP v 1939 Setup BASIC SETUP zi B High Engine Tmp ADVANCED SETUP cao Oil Pressure EVENTS HISTORY p Fuel Level 1 In the menu scroll down the Advanced Setup submenu using the up and down keys on the GSC400 Then press Enter when Advanced Setup is highlighted 2 Enter the passcode as instructed The factory default passcode is 0000 When you finish entering the last digit press the Enter key again and you will be taken to the Advanced Setup menu This is the menu you will be using to configure the GSC400 Dedicated Emergency Stop and Remote Start Contacts No menu configuration is required for these inputs On connector J5 Switched inputs emergency stop is pin 9 Connect it to ground to disable it The switched input harness loops this to pin 12 for you You must cut this loop and place in a normally closed switch to use emergency Stop Remote Start Contacts 2 of 12 The remote start contact pin 10 requires a normally open switch with the other side connected to ground When the switch closes the GSC400 will start if in AUTO Mode The GSC400 will shut down when the
8. 2VDC or 24VDC is used based on the system voltage 2 Check that the fuse beside each relay is not blown Speed Sensing Generator Output e Symptom Speed is zero generator won t stop cranking opeed 1 and 2 terminals J17 J18 need to be connected to generator output e oymptom Turns off starter prematurely or does not turn on starter and then goes into a low speed or low AC voltage failure without starting the generator This could be caused by the GSC400 speed sensing terminals picking up stray signals during cranking The speed sensing on the GSC400 is sensitive in order to pick up low voltages during cranking The GSC400 then thinks the generator has started Confirm by checking the speed displayed on the controller during cranking value beside RPM 1 Check that there are no breakers off This can unload the GSC400 sensing inputs allowing the wiring to act as an antenna 2 Check the AC voltage and frequency during cranking If it reads a few volts then it is likely the GSC400 is picking this up If the frequency reads 50 60Hz then the controller will assume the generator has started already Try another L L or L N connection 3 If necessary install an isolation transformer to prevent stray signals Low Oil Pressure High Engine Temperature e Symptom High Engine Temperature reads around 130 F This is normal when engine temperature is set to pin 3 or 4 Set to Dat Pin2 firmware 2 04 06 and higher and change sende
9. GSC400 Quick Start Setup Guide MAN 0091R1 4 June 2015 DYNAGEN control solutions you can trust Purpose Requirements This document provides instructions on how to setup the GSC400 for typical applications involving mechanically fueled engines For information on setup with J1939 electronically fueled engines please refer to the GSC400 User Manual This document assumes you are using DynaGen supplied Oil Pressure Engine Temperature senders and quick start cables such as ACC0086 It also i assumes firmware version 2 04 06 or later If you have firmware 2 04 03 or below see page 8 first before continuing This document assumes you will be setting up the controller from the front panel menu The PC Interface organizes the settings somewhat differently Keep this in mind when using the interface with this guide When necessary additional instructions are given in brackets for the PC Interface This guide does not replace the GSC400 User Manual That manual should be reviewed before attempting installation Equipment You will need these items 1 ACCO0086 GSC400 Cable Set consisting of AC Current Sensing Harness 1375R2 5 Sensor Inputs Harness 1376R2 5 and the Configurable Switched Input Harness 1378R2 5 All are 5 feet long 2 DWG1377R2 5 OPTIONAL GSC400 Switched Outputs Harness Needed if you require additional switched outputs outside of those provided with the three on board relays Fuel Crank an
10. RPM Common Speed Settings Set the following settings Hated RPM The normal running RPM of the generator Over RPM Warn Over RPM Fail Under RPM Warn Under RPM Fail set these to the desired values Engine Temperature and Oil Pressure Senders if using switches skip to the next section DynaGen supplied senders are single terminal units which require a good ground 6 connection between the threads of the sender to the battery negative connection 312 of the controller Otherwise the GSC400 may experience intermittent shutdowns because it cannot read the correct engine temperature or oil pressure Brown The engine temperature sender should be connected to pin 2 of the Sensor Inputs Sensor connector If using the standard oil pressure sensor ACC0108 the sensor oil MN should be connected to pin 3 If the electronic oil pressure sender ACCO 122 is Pressure s used refer to the instructions that are supplied with this sensor connect to Battery or chassis High Engine Temperature In the Advanced Setup High Engine Tmp menu set the following 1 Input Pin Set to Analog2 Low Z PC Interface select Input Pin 2 Sales 2 Signal Source Set to Dat Pin2 PC Interface select Sender 2 Mdb add 3 Bypass Delay the delay before monitoring warnings and failures on startup 5 of 12 owitch Setting ignore shorted Sender Warning Failure when the voltage on the sender input
11. d Extra Relay The length is 5 feet 3 Temperature sender a ACCO027 Datcon 02022 00 1 8 NPTF 27 consult with factory for other thread sizes 4 One of the following oil pressure senders a ACCO0108 Stewart amp Warner 279B F 1 8 NPT OR b ACCO122 Sensata 67CP 0320150GFNAOC 1 4 NPTF 2A This is a 0 5V electronic sensor for severe vibration and continuous duty applications This sensor also requires DWG1410R2 5 GSC400 5ft wires pack of 5 and ACC0125 SENSATA 27710 2 harness 40 Relays Fuses The GSC400 comes with pluggable fuses and relays installed for 12VDC For 24VDC applications the 12VDC relays must be unplugged and replaced with 24VDC relays DynaGen can provide 24VDC relays as part RLYOOAS3 The relays and fuses are rated 30A max resistive at 12VDC 20A max resistive at 24VDC Power Up 1 To power the GSC400 one of the battery negative and battery positive connections must be connected to a 12VDC or 24VDC source No other connections are required 2 When you power up the GSC400 it might go through an initialization this is a one time event only then it will display the firmware and hardware versions Confirm the firmware version is 2 04 06 or greater 3 The GSC400 will enter the OFF mode Emergency Stop will be displayed on the screen and the controller emergency stop alarm will sound To silence this plug in the configurable switched input harness that came with ACCOO86 This is the harness with
12. e C on the controller Phase C voltage must be connected to the high leg also referred to as the stinger leg of the generator 2 In Advanced Setup gt AC Voltage menu a Voltage Group set to 4 Three Phase PC Interface AC Group 4 b Group 4 Setting Set to Four Wire Delta PC Interface check 4 wire Delta c Set the Over Volt Warn4 Over Volt Fail4 UnderVoltWarn4 UnderVoltFail4 as desired 3 In Advanced Setup AC Current menu a Set Over Cur Warn 4 and Over Cur Fail 4 as desired Firmware Version 2 04 03 and Lower setup for firmware versions 2 04 03 is a little different than that outlined above This section will explain the differences 1 Go to Advanced Setup Engine Logic Crank Oil Pres menu and set this to Opsi This will disable the locked rotor feature This is set to 10PSI by default 2 For High Engine Temperature Advanced Setup High Engine Tmp a In the Input Pin menu select Analog 4 Low Z PC Interface select Input Pin 4 b In the Signal Source menu select Datcon 1 PC Interface select Sender 1 c Disable Open Sender detection 3 Low Engine Temperature The Datcon sender only goes down to 129 F so must a Use a separate switch OR b Setsignal source to pin 2 and then once this is done program the DatCon K LowZ to the controller using the GSC400 programmer and PC configurator Then it will read down to 72 F Note the Datcon sender range on inputs 3 and 4
13. g Delay To Start The time to delay before attempting to start the generator Glowplug Time Diesel engines only To turn on the preheat circuit prior to cranking The Fuel is also turned on during this time One of the switched outputs must be set to Glowplug Crank Time The maximum amount of time to crank the engine before giving up Crank is on during this period or until the engine starts Midheat Time Diesel engines only The glow plug will remain on during this time after the engine has began cranking One of the switched outputs must be set to Glowplug Crank Rest Time The time to wait between cranking attempts Crank Attempts The maximum number of times to attempt to crank the engine Fuel Crank Rest If Enabled leaves the Fuel on during crank rest periods otherwise Fuel is turned off False Restart If Enabled and the engine stalls within 10 seconds of starting this is considered a false start and the controller attempts another crank Post Heat Time Diesel engines only After the engine has started the glow plugs will remain on for this period One of the switched outputs must be set to Glowplug ETS On Duration Energize to Stop If generator requires an active signal to stop this is the duration to leave the signal on One of switched outputs must be set to ETS Warm up Time The duration to let the engine warm up before applying load using a switched output One of the switched outputs must
14. not there is an issue with the wiring or setup or the controller may be bad 4 Disconnect the sensor plug again and measure the resistance from the pin on the plug to battery negative Refer to the below tables Does the value from the table match the expected value If not the sender or wiring may be bad Datcon Temperature Resistance Voltage V Temperature 0 nS 2 Pins3 4 du 0 03 0 14 Datcon 1 Stewart Oil Pressure Hesistance Voltage V Pressure ane Pins 3 4 PSI 016 99 037 68 4 34 5 57 19 92 gt V Ow D NO 0 23 0 34 0 44 0 54 0 64 H CO D 96 o 996 O o 01 A AE H O ER 0 74 0 84 0 94 1 04 1 14 1 24 1 34 1 44 1 54 OIIO COIN RIS _ O77 ie O O AE N A gt eek h 01 6 AEG 996 003 0 14 029 034 044 054 064 074 084 094 104 304 2 1204 134 144 154 EE NT WE NK NECEM e Ea e ae 2 c Li ESE ES E ens E ne 052 4835 E Desi EN ETE NS Le Eee MEN EN O CO NIN G l N NO PO PO Oo o NI CO CO CO OD 3 25 12 of 12
15. olt Faill UnderVoltWarn1 UnderVoltFail1 are already set up for a typical 120 240VAC configuration but you may set as desired 3 In Advanced Setup AC Current menu a Set Over Cur Warn 1 and Over Cur Fail 1 as desired Three Phase Wye 208 L L 120VAC L N 1 Make connections to neutral phase A phase B and phase C on the controller 2 In Advanced Setup gt AC Voltage menu a Voltage Group set to 2 Three Phase PC Interface AC Group 2 b The Over Volt Warn2 Over Volt Fail2 UnderVoltWarn2 UnderVoltFail2 are already set up for a typical 120 208VAC configuration but you may set as desired 3 In Advanced Setup AC Current menu a Set Over Cur Warn 2 and Over Cur Fail 2 as desired Three Phase Wye 480 L L 277 L N 1 Make connections to neutral phase A phase B and phase C on the controller 2 In Advanced Setup AC Voltage menu a Voltage Group set to 3 Three Phase PC Interface AC Group 3 b Group 3 Setting set to Normal Voltage PC Interface make sure 2x Voltage is unchecked c he Over Volt Warn3 Over Volt Fail3 UnderVoltWarn3 UnderVoltFail3 are already set up for a typical 480VAC configuration but you may set as desired 3 In Advanced Setup AC Current menu a Set Over Cur Warn 3 and Over Cur Fail 3 as desired 7 of 12 Three Phase Delta 4 wire 120VAC A N 120VAC B N 208VAC C N 240VAC L L 1 Make connections to neutral phase A phase B and phas
16. r sensing of current are very low resistance General 1 To enable voltage and current go to Advanced Setup AC Voltage Voltage Source and Advanced Setup AC Current Current Source and set as desired The AC voltage must first be enabled and set up correctly to permit the display of AC current 2 AC Voltage Setup a Line Or Neutral Set to Line Line Line Neutral or Both This only affects the display 3 AC Current Setup a Turns Ratio Set this to the ratio of the Current Transformer CT Single Phase Two Wire 120VAC only 1 Make connections to neutral and phase A on controller 2 In Advanced Setup AC Voltage menu a Voltage Group set to 1 Single Phase PC Interface AC Group 1 b Group 1 Setting set to 2 Wire Single PC Interface check 2 wire C Set Over Volt Warn1 Over Volt Faill UnderVoltWarn1 UnderVoltFail1 as desired The units are in L N although they are displayed as L L in these menus 3 In Advanced Setup AC Current menu a Set Over Cur Warn 1 and Over Cur Fail 1 as desired Single Phase Three Wire 120VAC A N 120VAC B N 240VAC A B 1 Make connections to neutral phase A and phase B on the controller 2 In Advanced Setup AC Voltage menu a Voltage Group set to 1 Single Phase PC Interface AC Group 1 b Group 1 Setting set to 3 Wire Single PC Interface make sure 2 wire is unchecked c he Over Volt Warn1 Over V
17. r to pin 2 For firmware 2 04 03 and below set signal source to pin 2 and then once this is done program the DatCon K LowZ to the controller using the GSC400 programmer and PC configurator The high engine temperature will then read down to 72 F 11 of 12 e oymptom High Engine Temperature or Low Oil Pressure not reading correctly Note applies to Dynagen supplied mechanical senders only For troubleshooting on the electronic oil pressure sensor refer to the insert that came with that sensor 1 Confirm that the sender is connected to the correct input pin terminal Check the wiring for continuity Check that the GSC400 is setup correctly in the advanced menu 2 With the generator not running unplug the sensor analog inputs plug from the controller It s the 2x4 pin connector on the bottom On the GSC400 sensor terminal measure the DC voltage of the input pin to battery negative Do this on the GSC400 terminal not the plug It should read 5VDC If it does not there may be a problem with the controller 3 Plug the sensor connector back in You may need to do this step with or without the generator running Look at the display on the GSC400 and note the value displayed Then measure the DC voltage from the output of the sensor to battery negative Note the reading Lookup the pressure or temperature value using this voltage in the tables below If it matches the value displayed on the GSC400 then the sender may be bad If it does
18. s battery use 24VDC relay for to generator mains GSC400 En i CANH 24VDC battery does not sense speed via the C m AC inputs LE c c GSC400 LS HARDWARE USERS Note s N 5 ENGINE J1939 Pin 8 of the analog input terminal is ground not BUS 5V as indicated Engine CANL Temperature if applicable Firmware 2 04 06 Note Example only Not required Connect engine temp sender to pin 3 or 4 if using the if using J1939 Dynagen supplied sender Pin 2 cannot be used for firmware below 2 04 06 out of the box GSC400 LSB System Wiring Diagram DWG1439 Rev1 9 10 of 12 Modbus The Modbus port is not isolated If you are running cable longer than 100ft running cable outside or using existing cabling it is recommended you install a RS485 isolator on the GSC400 end Avoid using old wiring unknown wiring as it can damage the GSC400 If powered other devices from the genset battery use an isolated power supply to power the devices to avoid ground loops A twisted pair 120Ohm impedance shielded cable is required for Modbus communications e g Beldin 9841 120Ohm resistors are required on either end of the Modbus bus A separate wire must be run for Modbus common DWG1454 can be purchased which mates to the GSC400 modbus connector and provides pig tails for customer connections Troubleshooting Relay Outputs e oymptom Fuel Crank and or Extra Relay outputs are not turning on 1 Check that the proper relay 1
19. s 600VAC L L max Configurable Switched Inputs Battery AK UL Note Branch circuit protection with max ratings of 32V and 25A must be used on each battery supply connection Fuel Crank and Extra Relay connections Use N O switches to connect to Inputs A to H For user Extra ec eni LES zi e Mes convenience Extra e j ad J5 pins 11 and 12 Relay Out AC Voltage B H 1 provide access ca AY vOltape ai I AC Current g 8 a G 2 Fuse l K3 F3 E mergenc Crank ui y C start aati D 5 za J6 gE 1 V Bat For user to Battery Remote 7 Alle suse J 3 pins 1 and 1 Fuse A es K1 sac 4 provide access Internal H F1 Fuel V Baf 0 D 5 to Battery Gscaoo mms Relay PC 4 E Ground Configurable Db E Speed Config inputs 11939 Gag Ts 12 Outputs zu put pea l 2 6 3 M nu d Fag e 516 P Modbus Fuse EIE oo a Modbus Devices RA400 19 Annunciator WS100 200 csl 9 Internet Cellular T Q IL FUEL MPU gt V out c H I Use 120 impedance twisted T FT GEN out D MES a B dl CRANK us d Modbus ground must be common connected between all Uy Oi ML Do NOT modbus devices B i Pressure 2 connect to atte If using generator mains for Battery 12VDC or a Use 12VDC relay for 12VDC speed J17 118 must connect or chassi
20. vanced Setup Outputs Setup gt Extra Relay or Outputs A to C Select Cooldown The output is active during the cool down duration Generator DC Battery To setup the battery logic go to Advanced Setup gt Battery Setup It contains the following menus The last five items concern the warnings and failure set points Low Warn Level The GSC400 will alarm if voltage drops below this level Low Fail Level The GSC400 will shut down if voltage drops below this level High Warn Level The GSC400 will alarm if the voltage rises above this level High Fail Level The GSC400 will shut down if the voltage rises above this level Low Vol InCrank The GSC400 will display a warning during cranking if the voltage drops below this level The first 4 menu items control the automatic startup on low battery This is a battery recharge feature Low Auto Charge Enable to enable automatic starting when a low battery voltage is observed ChargePrealarm The amount of time to wait until starting the generator The GSC400 will display a warning on the screen and sound the alarm ChargeDuration The amount of time for the generator to run before shutting down Hecharge Level Automatic startup will begin when battery voltage reaches this level Speed Sensing Methods PC There are two options for speed sensing a magnetic pickup sensor or the generator AC Speed Config voltage output Select your method in the Advanced Setup
21. version will cause one or more settings to go out of bounds Engine Temperature and Oil Pressure Switches if using senders ignore this section The switch must be switched to ground but can be either normally open or normally closed In the Advanced Setup gt Oil Pressure and Advanced Setup gt High Engine Temp set the following 1 Input Pin Set to the designed input Match the number in this menu to the connector number on the wiring diagram 2 Signal Source Set to Switch Input 3 Switch Setting Set to Closed Fail for normally open switches or Open Fail for normally closed switches AC Voltage AC Current Sensing CTs 5 Amp AC Voltage The GSC400 requires a e Phase A neutral reference as it senses line to N Se e Phases neutral L N The controller converts I ee ee T L dL a Neutral to Line to Line L L as required Do not exceed 600VAC L L For proper sensing battery negative also needs to be connected to the neutral of the electrical Follow all applicable standards For runs over 5ft or in noisy environments twisted pair is 1A Fuses 600VAC L L max recommended for the voltage inputs llel E all as Keep voltage and current cabling Vals le B AC Voltage separate AC Current 6 of 12 AC Current Do not connect more than 5 AAC to each CT input Use large AWG wires for runs longer than 5ft The shunt resistors used fo
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