Liebert® APS™ MBC User Manual – Rack-Mount Maintenance Bypass Cabinet
CONTACTING EMERSON NETWORK POWER FOR SUPPORT To contact Emerson Network Power Liebert Services for information or repair service in the United States, call 800-543-2378. Liebert Services offers a complete range of star-up services, repair services, preventive maintenance plans and service contracts. For repair or maintenance service outside the 48 contiguous United States, contact Liebert Services, if available in your area.
TABLE OF CONTENTS CONTACTING EMERSON NETWORK POWER FOR SUPPORT . . . . . . . . . . . . . . . INSIDE FRONT COVER IMPORTANT SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 SAVE THESE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 GLOSSARY OF SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.
FIGURES Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 General Liebert APS MBC appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Components on the front of the Liebert APS MBC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Parts on the rear of the Liebert APS MBC . . .
Important Safety Precautions IMPORTANT SAFETY PRECAUTIONS SAVE THESE INSTRUCTIONS This manual contains important safety instructions. Read all safety, installation and operating instructions before operating the parallel UPS system. Adhere to all warnings on the unit and in this manual. Follow all operating and user instructions. Individuals must fully understand this equipment to install and operate it. The Liebert APS MBC (maintenance bypass cabinet) is designed for commercial/industrial use only.
Important Safety Precautions The Liebert APS MBC complies with the requirements of EMC Directive 2004/108/EC and the published technical standards. Continued compliance requires installation in accordance with these instructions and use of accessories approved by Emerson. NOTICE This is a Category C2 UPS product. In a residential environment, this product may cause radio interference, in which case the user may be required to take additional measures.
Glossary Of Symbols GLOSSARY OF SYMBOLS Risk of electrical shock ! Indicates caution followed by important instructions AC input AC output i R Consult the manual Recycle Equipment grounding conductor Bonded to ground AC voltage WEEE 3 Liebert® APS™ MBC
General Description 1.0 GENERAL DESCRIPTION Read this manual thoroughly to ensure proper installation and operation of this unit. Installation must be performed by properly trained and qualified personnel. General operations can be conducted with no need of specialized training. This chapter describes the Liebert APS MBC, including appearance, components, features, operating mode and specifications. 1.
General Description 1.2.1 Bypass Indicator LED The amber Bypass Indicator illuminates when the maintenance bypass source is available. When the Bypass Indicator is illuminated, it is permissible to transfer the connected equipment to Maintenance Bypass mode by rotating the switch (see Figure 2). When the Bypass Indicator is not illuminated, the maintenance bypass source is not ready or available and transfers should not occur.
General Description 1.4 Operating Mode The Liebert APS MBC permits maintaining power to all connected equipment during maintenance of the Liebert APS. The Liebert APS MBC operates in two modes, UPS Mode and Maintenance Bypass Mode. 1.4.1 UPS Mode The diagram below illustrates the Liebert APS MBC operating in UPS Mode. Figure 4 Operation in UPS Mode AC Input Connected Load MBC Liebert APS While the Liebert APS MBC is in UPS Mode, the UPS is supplying continuous, high-quality AC power.
Installation 2.0 INSTALLATION This chapter provides the steps and procedures for installing the Liebert APS MBC, including preparation and cable selection and connection. 2.1 Unpacking Inspection Upon receiving the Liebert APS MBC, unpack the MBC and conduct the following checks: • Inspect the unit for shipping damage. If any shipping damage is founded, report it to the carrier. • Check against the delivery list to verify that the types of the accessories are complete and correct.
Installation Figure 6 Installing the cage nuts Vertical Rail Cage Nut, 12 3. Using the hook on the rear flange of the rack-mount rail, clip it onto the rear vertical pole and use the provided four M6 x 16 screws to secure them, as shown in Figure 7. Figure 7 Attaching the rear of the rack-mount rail kit Guide Rail Rear Vertical Rail Hook Installation Hole, 2 Places M6 x 16 Screws, 4 4.
Installation Figure 8 Securing the front of the rack-mount rails Front Vertical Rail M6 x 16 Screws, 4 5. Remove the Liebert APS MBC from the shipping carton and install it using the following steps: 6. Lift the Liebert APS MBC and place it on the guide rails. Slide it into the rack. NOTE The weight of the Liebert APS MBC is 30kg (66 lb.), please be careful when lifting it. This may require two people. Figure 9 Installing the Liebert APS MBC Liebert APS MBC Rack-Mount Rail Liebert APS 7.
Installation Figure 10 Completed view of the Liebert APS MBC installation 8. Refer to 2.4 - Cable Selection And Connection for wiring connections. 9. Refer to 6.0 - POD—Optional for installing any integral output distribution PODs. 2.
Installation 2.4.1 Cable Selection Select proper cable size/amperage based on the Liebert APS MBC model. The models have different circuit breaker ratings. See Table 1 for the amperages for proper cable selection.
Installation 2.4.2 Cable Connection For Liebert APS UPS 200-240V input/output Refer to Figures 12 and 13 for the cable connections when the Liebert APS UPS is to be connected and wired for single-phase input, either L-N-PE (50Hz voltages) or L-L-G (60Hz voltages).
Installation Figure 15 Connection of Liebert APS MBC’s lower terminal block (from main AC source/to main distribution panel) 2.4.3 Cable Connection for Liebert APS UPS 200-240V Input / 200/100-240/120V output with integral output transformer Refer to Figures 16 and 17 for the cable connections when the Liebert APS UPS is to be connected and wired for single-phase input, either L-N-PE (50Hz voltages) or L-L-G (60Hz voltages).
Installation Figure 17 Connection of Liebert APS MBC’s lower terminal block (from main AC source / to main distribution panel) Table 4 Connections, lower terminal block, single-phase input, L-N-PE (50Hz) or L-L-G (60Hz) Input Voltage (Between Terminals) Input Voltage 1-4 1-2 2-3 1-3 200/100 Do Not Use 100 100 200 220/110 Do Not Use 110 110 220 230/115 Do Not Use 115 115 230 220/127 Do Not Use 127 127 254 (Do Not Use) 240/120 Do Not Use 120 120 240 208/120 Do Not Use 120
Installation NOTE • To connect a 120V load between Terminal 3 and Terminal 4 of the Liebert APS MBC OUTPUT, make sure that there is 120V voltage between Terminal 2 and Terminal 3 of the Liebert APS MBC input. • To connect a 208V load between Terminal 2 and Terminal 3 of the Liebert APS MBC output, make sure that there is 208V voltage between terminal 1 and terminal 3 of the MBC input.
Operation 3.0 OPERATION This chapter gives a detailed description on the Liebert APS MBC operation, including startup, shutdown and transfer between UPS and maintenance bypass. ! CAUTION Risk of electric shock hazard. Can cause injury or death. This Liebert APS MBC must be installed by properly trained and qualified personnel and connected in accordance with national and local electrical codes. 3.1 Startup Follow these steps to startup the UPS while connected to the Maintenance Bypass. 1.
Operation 3.4 Transfer of the System from Maintenance Bypass to UPS To transfer to UPS from maintenance bypass: 1. 2. 3. 4. Close the UPS input and output breaker on the Liebert APS. Close the UPS input breaker on the front of the Liebert APS MBC. Start the Liebert APS according to its user manual and leave it in internal bypass mode. Verify that the UPS Indicator (green) on the Liebert APS MBC is illuminated. If the UPS Indicator does not illuminate, do not proceed and refer to 4.0 - Troubleshooting. 5.
Troubleshooting 4.0 TROUBLESHOOTING Table 5 Troubleshooting Problem Bypass Indicator (amber) not illuminated UPS Indicator (green) not illuminated Output Indicator (amber) not illuminated Liebert APS MBC will not start some/all connected loads Liebert® APS™ MBC Cause Solution Bypass not present Call qualified service personnel to restore power to local power Liebert APS MBC input cable is not connected to bypass. Refer to 2.4.
Specifications 5.0 SPECIFICATIONS Table 6 Specifications Item Specification General ASMBCR2 Series: 125A max ASMBCR1 Series: 100A max Unit Rating ASMBCRG Series: 63A max ASMBCRW Series: 50A max Compliant Safety Standards UL 1778-4th Edition, CSA C22.2 No. 107.3, IEC62040-1:2008 Mechanical Dimensions, W x D x H, mm (In) 440 × 862 × 355 (17.3 x 33.9 x 14.3) Weight, kg (Lb) 30 (66.
POD—Optional 6.0 POD—OPTIONAL 6.1 Introduction Power Output Distribution (PODs) are optional, integral distribution units that may be attached on either a UPS or a Maintenance Bypass Cabinet. PODs provide safe and reliable power distribution function for users to directly connect equipment that is to be protected by the UPS. The POD’s technical specifications are listed in Tables 7 through 9.
POD—Optional 6.2 Installing the POD To connect the POD: 1. Unscrew the two screws of the cover of the POD port and remove the cover, as shown in Figure 20. Figure 20 Remove the cover Screws (2 Places) POD Port Cover 2. Insert the PP75 terminals of the POD into the POD port of the Liebert APS MBC. NOTICE Risk of improper connections. Can cause improper operation. When inserting, make sure that the colors of the PP75 terminals are corresponding to the color of the POD port. 3.
POD—Optional Liebert® APS™ MBC 22
Technical Support / Service Web Site www.liebert.com Monitoring liebert.monitoring@emerson.com 800-222-5877 Outside North America: +00800 1155 4499 Single-Phase UPS & Server Cabinets liebert.upstech@emerson.
