Tripp Lite SU60KX manual Detection Circuit for Manual Bypass Switch

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2 Theory of Operation (continued)

2.19 Detection Circuit for Manual Bypass Switch

Located on NH-SYS-R board (Circuit for RS232, Output Dry Contact, Parallel Port, Connector to connect with each Power Module, Circuit for 2 Slots)

DR15

RR102

+12VSF

	1	UR43
RR107	2

CR66

TOMBYP

CNR13

CR73

TO Manual Bypass Breaker	1
	2

G4

Located on NH-SYS-M board (System MCU and Control Circuit)

RR103

5VS

4 #TOMBYP_I

3 CR65

G1

(6) TOMBYP I	RM146
(6) TOMBYP I	#TOMBYP I
	CM102

G1

(a)CNR13 connects to the auxiliary contact of the manual bypass switch.

(b)System MCU detects the status of the manual bypass switch via TOMBYP I (6). Manual bypass switch will stay in the OFF position and TOMBYO I (6) will be high.

2.20Detection Circuit for Output Breaker

Located on NH-SYS-R board (Circuit for RS232, Output Dry Contact, Parallel Port, Connector to connect with each Power Module, Circuit for 2 Slots)

+12VSF RR75

1 UR33

CR54 RR79 2

	CNR10	CR58
	1	CR58
	1
	2
		G4

Located on NH-SYS-M board (System MCU and Control Circuit)

RR74

5VS

4 #OPCBAUX_I

3CR53

G1

(72) OPCBAUX_I	RM151
(72) OPCBAUX_I	#OPCBAUX_I
	CM108

G1

(a)CNR10 connects to the auxiliary contact of the output breaker.

(b)System MCU detects the status of the output breaker via OPCBAUX_I (72). Output breaker stays in the OFF position and OPCBAUX_I (72) will be high.

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Contents Th Street, Chicago, IL 60609 USA Table of Contents Basic Operation Technical SpeciﬁcationsKX Models KTV Models SU40K SU60K SU60KTV SU80KTVSU80K Model Model Capacity SU80K 80kVA/64kWFeatures Advanced FeaturesControl Panel Features Front and Rear Panel Features 3a SU40KX front3b SU40KX rear 3c SU40K front 3d SU40K rear 3e SU80K front 3f SU80K rear Internal Battery Layout Operating PrinciplesSystem Layout Power Module Layout 3a Power Module Block DiagramOpening and Closing the Unit Online Normal Mode Single UPS Battery Backup Mode Single UPSAuto Bypass Mode Single UPS Manual Bypass Mode Single UPSOnline Mode Parallel UPS Battery Backup Mode Parallel UPSAuto Bypass Mode Parallel UPS Manual Bypass Mode Parallel UPS Hot Standby Mode Parallel UPSControl Panel and Breaker Diagrams Normal LED Battery LED Bypass LED Fault LEDPreliminary Checklist Single UPS Standard Start-Up Procedure Single UPSBattery Start-Up Procedure Single UPS Manual Bypass Procedure Single UPS Shutdown Procedure Single UPSPreliminary Checklist Parallel UPS Start-Up Procedure Parallel UPSShutdown Procedure Parallel UPS Manual Bypass Procedure Parallel UPS Switching from Manual Bypass to Normal Mode Parallel UPS Printed Circuit Boards PCB SU80KX SU60KX SU40KX SU80KTV SU20KXPCB Location System F3 FB M LA, LB, LC, LD Models LA, LB, LC LA, LB, LC, LD F1BYP F1MAIN F2BYP F2MAIN LCD PCB Location Power Module PCB Board Name DescriptionBlock and Wiring Diagrams 1a SU20KX Block Diagram1c SU40KX Block Diagram KX ModelsDC Auxiliary Power Circuit Auxiliary Power Failure DetectionTheory of Operation Output Current Detection W18Input Voltage Detection Located at NH-SYS-M board System MCU and Control CircuitOutput Voltage Detection Located at NH-SYS-M board System MCU and Control CircuitBattery Voltage Detection UP10BBypass SCR Short-Circuit Detection Scrst RBypass SCR Driver TSA1Watchdog for System MCU LCD Panel Control Circuit To LCDFan Control Circuit Located on NH-SYS-M board System MCU and Control CircuitBypass SCR Temperature Detection Communication Circuit for RS232RS232 Port Communication Circuit for SlotsCommunication Circuit for Output Dry Contact Output DRY ContactCommunication Circuit for Input Dry Contact and Repo Input DRY ContactExternal Battery Cabinet Temperature Detection EXTBTEMP1Detection Circuit for Manual Bypass Switch Detection Circuit for Output BreakerControl Circuit for Power Module CentralokTo PM1 to PM2 CM93 CM106 CM109 Control Circuit for External ParallelTheory of Operation Emergency Power Off EPO Communication01 RS232 Port 02a Front Control PanelRemote Emergency Power Off Repo 02b02c Setting Eeprom on the NH-M Board Polling and Updating EepromCalibrating Eeprom Gain Setting Output Dry Contact Status Upgrading Firmware for the System Board Output Manual Bypass Main Input N C S T G R G I N G R a D E Communication Upgrading Firmware for the Power Module PM1 U P S T G R G I N Link the UPS to a PC via the RS232 port Communication Communication Communication T I N G L O W E D Downloading the Event Log Internal Battery Battery StringsFront View of SU20KX and SU40KX Installing and Removing Internal Batteries Terminals Battery compartment. Warning Observe proper polarity by Connecting negative to negative black to black and positiveDamage the UPS system and create a serious risk of personal Injury and property damageBattery Cabinet 2a BP480V26B 2b BP480V40CInternal Battery 2e Connection between UPS and Battery Cabinet 2f Wiring between UPS and Battery Cabinet2d W1 and W2 Cables Troubleshooting Alarm Messages1a Warning Message List 1b Power Module Warning Message List ConditionTroubleshooting Flow Charts Main VOLT/FREQ NOKMain Sequence NOK Bypass VOLT/FREQ NOK Bypass Static Switch Over Temperature Bypass Sequence NOKBypass Static Switch Fault Bypass Static Switch OverloadSame fault message? Replace the power module UPS Internal Comm AbnormalBattery Test Fail Battery Over Charge10a Battery BAD 11a 11bBypass FAN Failure 12a 12b 12cTransformer Overheat 13a 13bPS Output Volt NOK 14a 14bPS EXT Parallel Comm Abnormal 15a 15bParallel Failure 16a 16bRedundancy Loss 17aPower Module Failure Power Module Identify115 116 Power Module Replacement AC Input DC Input Output 119 120 Preventive Maintenance Safety OverviewUPS Procedure Suggested tools and suppliesInternal Battery Procedure Appendix a Service Equipment and Tools Recommended Equipment and ToolsSoftware Tools Multi-Meter OscilloscopeAppendix B Torque Table KX ModelsTable B.1 Fig B.aModels Table B.2Table B.3 Fig B.b Fig B.c KTV Models Table B.4Fig B.d Appendix C PCB and Test Point NH-SYS-P BoardNH-SYS-R Board