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MGE UPS Systems EX 11RT, EX 5RT, EX 7RT 4.2 Troubleshooting, 1817, 18

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4.2 Troubleshooting

◗If any of LED's or is on, there is an operating anomaly or an alarm.

◗Use "scroll up" or "scroll down" function button to reset the audible alarm.

◗Troubleshooting not requiring MGE UPS SYSTEMS, INC.after-sales support:

Table 4-2: Troubleshooting not requiring

MGE

after-sales support.

Symptom Indication Correction

LED is on, and Bypass AC AC source is not connected Rewire correctly the normal AC

source is present to the correct terminals. source.

the alphanumeric display shows

BAD CONNECTION

REWIRE AC NORMAL

LED is on, Load supplied by bypass AC source. Push the ON button for more than 3

the alphanumeric display shows: seconds.

LOAD LEVEL

XX kW / XX KVA

LED is on, and Bypass AC UPS overload Check if any device is shorted or failed.

source is present

the alphanumeric display shows:

THERMAL OVERLOAD

1XX%

LED is on, Short circuit conditions on output Check if any device is shorted or

devices. failed.

the alphanumeric display shows:

CURRENT OVERLOAD

LED is on, 180° degree phase shift between Check if bypass source is correctly

bypass and normal AC source. wired

but the alphanumeric display shows: (in case of upstream transformer use).

BYPASS REVERSE

REWIRE BYPASS

Audible alarm is on, Input/Output box not Check if the Input/Output box

the alphanumeric display shows: installed correctly. is correctly installed.See section 2.8.

I/O BOX REMOVED

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17

17

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1817

EX 5/7/11 RT System

Maintenance4 — 2 86-86000-00 A01

Contents

Main IMPORTANT SAFETY INSTRUCTIONS Certification Standards Important Safety Information and Standardsii 86-86000-00 A01 Safety of Persons Product Safety Safety of Persons iii86-86000-00 A01 For example: Special Precautions CAUTION: Record All Serial Numbers! EX 5/7/11 RT System Installation and User Manual Revision History Page Contents Section 1 Introduction Section 2 Setup and Installation Section 3 Operation Page Figures Figures Tables Page Introduction 1.0 Scope Table 1:EX RT Model Descriptions and Contents Introduction1 2 86-86000-00 A01 Table 2:Optional Accessories (See section 1.5 for description) 1.1 System Electrical Characteristics Standard Configuration Configuration with Transformer Table 3:Power Module Ratings Figure 1-1: Tower Configurations with Power Module, Battery Module, and optional Transformer Module. Table 4:Battery Module Ratings 1.2.2 Rack Configuration Figure 1-2: Rack Configurations with Power Module, Battery Module, and Transformer Module. Standard Configuration Configuration with Transformer Model Dimensions Weights Page Page 24 25 26 27 24 25 1.5.3 Battery Module with Remote Emergency Power Off (REPO) Function +++ Figure 1-9: Typical back-up time with multiple EXBs at full load. l i O - I/O Box 5/7kVA Part number 86009 - I/O Box 11kVA Part number 86010 EX RT Transformer Module Contents 1.5.8 CLA Module (Long backup time charger) ~ Battery Backup Time Recommended Batteries EX 5RT EX 7RT EX 11RT CLA Module Contents Battery Detection Cable Tower Stand ExpandersCLA Documentation Setup and Installation 2.0 Scope 2.1 Unpacking and Parts Check Page Page 2.3 Installation in Tower Configuration Power Module Battery Modules Transformer Module Tower Configuration with Optional Transformer Module Page Page Page 2.6.1 Rear Support Brackets Installation 25 2.6.2 Input/Output Box Bracket System Installation 27 Page Page Page 2.7.4 Remote Emergency Power Off (REPO) Communication Port 3 Figure 2-10a: Activation of remote power off function using a contact normally open switch. Figure 2-10b: Activation of remote power off function using a contact normally closed switch. 2.8 Connecting the Input and Output Power Cables to the Input/Output Box 2.8.1 Flexible Cordage and Conduit Installations Figure 2-12a: Step 1 & 2; Typical plastic and metal coupling installations. Figure 2-12b: Step 3; Typical Straight Metal Conduit installation. Figure 2-12c: I/O Box Terminal Block Diagram. L6 L5 L2 L1 L1 L4 L3 Jumper 2.8.2 System Connections with Common Normal and Bypass AC Sources Simplified Connection Diagram Figure 2-13: Nor mal AC Input and Output Cables installation. 2.8.3 Connecting EX RT Transformer Installation2 16 86-86000-00 A01 Terminal Block Transformer Module Connection diagram (located on bottom of Transformer I/O Box) Simplified Connection Diagram 2.8.4 System Connections with Separate Normal and Bypass AC Sources Figure 2-15: Nor mal AC Input, Bypass AC, and Output Cables Installation. 2 3 4 2.8.5 System Connections as Frequency Converter (without Bypass AC Source) Figure 2-16: Accessing Terminal Blocks for Input and Output power cables. Page 2.10 Connection of CLA Module 4240 Figure 2-18: Rear view of CLA module cable battery and AC input connections. To High Power Battery Cabinet Utility AC Source DC INPUT AC INPUT Operation Page Table 3-1: Local Settings. Display Factory setting Options Table 3-2: Output features. Display Factory setting Options Comments Figure 3-3: Configuration used to provide full redundancy (2N) to critical loads. Page 3.3 Operating Modes 3.3.1 Normal (double conversion) Mode Figure 3-4: Nor mal (double conversion) mode. 2221 3.3.2 ECO Modes Figure 3-5: ECO mode display. 1715 3.4 Operation on battery power Figure 3-6: Transfer, Threshold and End of backup time. 3.4.1 Transfer to Battery Power 3.5 Return of Normal AC source 3.6 Shutdown 8 Figure 3-7: Shutdown display, circuit breaker, and AC source switch. 19 Maintenance 4.0 Scope 4.1 Information Technology (IT) Network and Industrial Operating Modes Table 4-1: Network and Industrial Modes of Operation. Symptoms IT network mode Industrial mode 4.2 Troubleshooting 1817 Table 4-2: Troubleshooting not requiring 18 after-sales support. Table 4-3: Troubleshooting requiring after-sales support. 4.3 Hot Swapping the Power Module Figure 4-1: Disconnecting the power module. 1717 7 8 Page Battery Module Power Module Appendix 5.0 Electrical Specifications 5.1 System Input/Output Power Ratings Table 5-1: EX 5/7/11 RT Input and Output Characteristics. Source Voltage Frequency 5.2 System Overload Characteristics 5.4 System Short Circuit Protection 5.5 Accessories Electrical Characteristics EX RT Transformer EX RT CLA module 5.6 Heat Rejection Table 5-4: Full load heat rejection in BTUs/hr. MGE Warranty & Proprietary Rights for Single Phase Products MGE Warranty Proprietary Rights Statement Warranty and Product Registration MGE Customer Care Center ? Page Glossary Term used Definition / Meaning Page Page Page Page Page Page Contact MGE