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Optima

™

520 Series

Power Distribution Units

Operating Guide and Reference

Apr 2021 : P/N 501021-000 Rev B

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Summary of Contents for Optima 520 Series

Page 1: ...Optima 520 Series Power Distribution Units Operating Guide and Reference Apr 2021 P N 501021 000 Rev B ...

Page 2: ...6 2 1 Installation Notes 6 3 Operation 7 3 1 Startup 7 3 2 Breaker Controls 7 3 2 1 Main Breaker 7 3 2 2 Branches 7 3 2 3 Controls Breaker 9 3 3 Remote Switching EPO Option 9 3 3 1 Remote Mode Switch 9 3 3 2 Remote Bus Connectors 10 3 4 Outlet Sequencing Option 10 3 5 Digital Power Meter Option 11 3 6 EMI Filter Option 11 4 Reference 12 5 Specifications 13 ...

Page 3: ...gnal cabling Do not open this product as it contains no user serviceable parts inside All service concerns should be directed to Marway Power Solutions If this product is used in a manner which does not comply with this instruction manual the protection provided by the equipment may be impaired All work on connections must be carried out under zero voltage output disconnect and may only be perform...

Page 4: ...hat type of power inlet they have Then by the outlet configurations All models have two outlets on the front panel and ten outlets on the rear panel Marway s Standard Products Catalog includes more detailed tables with exact model number configurations with inlets outlets and options identified Group Models Mains Inlet Inlet Rating Outlets Outlet Ratings Group 1 MPD 520001 through MPD 520012 NEMA ...

Page 5: ...0 Vac 50 60 Hz 242 A continuous 30 A maximum NEMA 5 20R 16 A per outlet 20 A max 16 A total across Group B plus Group A Front 16 A total across Group C plus Group A Rear 24 A unit total 30 A max Group 8 MPD 520085 through MPD 520096 NEMA L6 30P 200 240 Vac 50 60 Hz 24 A continuous 30 A maximum IEC C13 10 A per outlet maximum 12 A total across Group B plus Group A Front 12 A total across Group C pl...

Page 6: ... be done later according to the startup procedures suitable to the end user s equipment and application 4 If applicable connect the cabling between the PDU and remote EPO control panel 5 PDU Main Breaker Ensure the Main Breaker on the front of the PDU is in the off position before connecting the PDU s inlet cable to the facility power source It is best to switch all breakers to the off position 6 ...

Page 7: ...00 flip the switch to the down Remote position This system is discussed in detail farther down 3 2 Breaker Controls 3 2 1 Main Breaker The Main Breaker enables disables power to all PDU outlets When Main Breaker is switched on the Main Power indicator labeled will be lit If the PDU is equipped with the Switched Outlets mode switch the Off position will disconnect power from the outlets even if the...

Page 8: ...F ON Group C Group A Group B Branch 1 Branch 2 Branch 2 Branch 1 For Group 6 units with 5 15R outlets each breaker branch is rated for 12 15 A Any one outlet can carry a continuous load up to 12 Amps with no draw on other outlets or a combination of outlets on one branch can draw a total of up to 12 Amps The total for the whole PDU is 24 amps the rating of the inlet connector which happens to coin...

Page 9: ...s an internal contactor to disengage power from all Group B and Groups C outlets Group A outlets continue to be powered Therefore Off disconnects power to almost all outlets even if the main breaker is switched on Remote up position will behave like Off When there is a remote panel connected to the PDU Remote down position is the normal operating mode Outlets are subject to the main breaker and th...

Page 10: ...oup B E D R Enable Disable Return Enable Return Outlet Control Bus J1 J2 J4 J5 J3 Remote EPO Input Outlet Control Bus Aux 2 Marway Commander UCP 5000 Remote EPO 3 3 2 1 Remote Bus Connector Wiring The 3 pin connectors use two low voltage signals as follows Shorting the Enable pin to the Return pin with a dry contact will trigger the remote bus Enable signal Shorting the Disable pin to the Return p...

Page 11: ...urement will display for 3 seconds in sequence When the auto cycling mode is initiated the unit will briefly display Auto On before cycling begins During cycling if the SEL button is pressed the unit will display Auto OFF then switch to displaying VOLTS Configuring the power up mode Any one of the four display modes can be selected as the default power up mode For example it may be desirable to co...

Page 12: ...eres watts and power factor When item 9 is included item 10 is also included 10 Circuit breaker for internal control circuitry Included when either the optional meter is included or when the optional remote switching EPO circuit is included 11 Optional Remote Switching EPO mode switch and indicator The remote switching package always includes items 10 11 12 and 13 The three position toggle provide...

Page 13: ...g through the circuit breaker 16 20 A models are wired with both line and neutral passing through the circuit breaker 24 30 A models in Groups 6 and 8 use a 15 A breaker with the main line branched to each pole of the breaker creating two 15 A sub circuits 24 30 A models in Group 7 use a 20 A breaker with the main line branched to each pole of the breaker creating two 20 A sub circuits Surge Suppr...

Page 14: ...DC are trademarks of Marway Power Systems Inc All other trademarks are the property of their respective owners Global Support Contacts Web www marway com Email support marway com sales marway com Phone 800 462 7929 7am 5pm PST There may be updates to this documentation at http www marway com docs Marway Power Solutions 1721 S Grand Ave Santa Ana CA 92705 800 462 7929 marway marway com ...

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