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115159H

– LV I/O OPTION

I/O

O

PTION

M

ANUAL

175W - 1100W S

INGLE

P

HASE

Series LV

E

MERGENCY

L

IGHTING

C

ENTRAL

I

NVERTER

Myers Emergency Power Systems

44 South Commerce Way, Bethlehem, PA 18017

1-800-526-5088

•

(610) 868-3500

•

Fax: (610) 868-8686

Service: (610) 868-5400

www.myerseps.com

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Summary of Contents for LV Series

Page 1: ...N MANUAL 175W 1100W SINGLE PHASE Series LV EMERGENCY LIGHTING CENTRAL INVERTER Myers Emergency Power Systems 44 South Commerce Way Bethlehem PA 18017 1 800 526 5088 610 868 3500 Fax 610 868 8686 Service 610 868 5400 www myerseps com ...

Page 2: ...Switched Output SWO 5 Transfer to Battery TTB 5 Normally Off Relay NOR 5 SECTION 4 6 Output functions defined 6 Output Set Point Functions 6 Status Alarm Functions 7 Other Output Functions 8 SECTION 5 9 Switched Outputs 9 Switched output without the I O Board option 9 Non isolated switched output with the I O Board option 10 SECTION 6 12 LED Dimmer Application with Switch 12 0 10 LED Dimmer Applic...

Page 3: ... a varying amount of input and output connections The two most common versions are a version with 3 inputs and 3 outputs and another version with 6 outputs The following section outlines how to connect this version Figure 1 1 Basic structure of I O Board with three inputs and three outputs Figure 1 2 Basic structure of I O Board with 6 outputs ...

Page 4: ...t intended to be used between 50 90Vac SECTION 2 Navigating the I O Board settings The inputs and outputs of the I O Board are programmable through the display panel of the Series LV system which is featured on advanced systems The following section outlines how to set input and output functions through the LV display panel See the 115107 LV Series Manual for further instructions on the display op...

Page 5: ...ered and contains an I O Board option Hold down the power button on the display to power it on Using the arrow keys navigate to Contact Status in the display menu Using the arrow keys navigate to through the I O in the Contact Status menu The menu displays the state of the contacts as well as the function they are set too Default settings The following table outlines the default settings for diffe...

Page 6: ...e unit goes into emergency power Transfer to Battery TTB The transfer to battery function forces the unit to switch to emergency power regardless of the utility power and return from emergency power once the unit goes into low voltage disconnect or the selected input becomes inactive If the unit goes into low voltage disconnect because of this function the unit will be locked out of transferring t...

Page 7: ...t goes into emergency power for this specified amount of time the output relay is activated Table 4 1 Output Set Point Functions Special considerations If multiple outputs are set to the same set point function they must share the same set points Changing the set points for one output will change the set points for any other outputs that are set to the same function Unit Size Low Setting High Sett...

Page 8: ...atus Functions Status Function Description Powered Engages the output relay when the LV Series unit is powered Charging Engages the output relay when the LV Series unit is charging On Battery Engages the output relay when the LV Series unit is in emergency backup Test Engages the output relay when the LV Series unit is conducting an inverter test Norm Off Active Engages the output relay when the n...

Page 9: ...he corresponding input is powered or when the Series LV unit goes into emergency backup Note The output is automatically set to Switched Output when an input is defined with the Switched Output function Transfer Delay operates as a normally on output and will force a time delay off of 6 seconds each time the unit transfers to battery After the delay the relay will go back to a normally on state Th...

Page 10: ...ns This switched output solution requires that the switched line mentioned is the same phase as the input to the LV Series unit This solution can not be accomplished with voltages of different phases or magnitudes without damaging the LV system If the LV system has a display this switched output solution can have an optional extended timer that is controlled by the normally off timer in the set po...

Page 11: ... This causes the output contact to switch whenever the unit goes into emergency backup for any reason causing the power to bypass the wall switch Figure 5 2 Special considerations This switched output solution requires that the switched line mentioned is the same phase as the input to the LV Series unit This solution can not be accomplished with voltages of different phases or magnitudes without d...

Page 12: ... voltage across the input connection of the I O Board or the LV Series unit goes into emergency backup Figure 5 3 Special considerations This switched output solution is completely isolated Any 90 277Vac signal regardless of phase can be used to toggle the switched output without damaging the LV Series unit A resistive dimmer can not be used to replace the wall switch with this solution The input ...

Page 13: ...n series with NC and C of OUT2 Figure 6 1 After wiring is completed both OUT1 and OUT2 need to be set to On Battery in the I O settings menu in the display This causes the output contacts to switch whenever the LV Series unit goes into emergency backup During an emergency OUT1 switches the load source from utility AC to the output of the LV Series unit and OUT2 opens the dimmer signal causing the ...

Page 14: ...e 6 2 After wiring is completed set OUT1 to On Battery in the I O settings menu in the display This causes the output contacts to switch whenever the LV Series unit goes into emergency backup During an emergency OUT1 opens the dimmer signal causing the ballast control to switch to full brightness Special considerations Some LED ballasts may not default to full brightness when the dimmer signal is ...

Page 15: ...tness when on emergency backup Connect the ballast dimming signal in parallel with NO and C of OUT1 Figure 6 3 After wiring is completed set OUT1 to On Battery in the I O settings menu in the display This causes the output contacts to switch whenever the LV Series unit goes into emergency backup During an emergency OUT1 shorts the dimmer signal causing the ballast control to switch to minimum brig...

Page 16: ...both outputs are active Applications example 2 Want to have a light turn on when the batteries are charging and also turn on if a light switch is toggled Solution example 2 Wire the normally open NO of an output set to Charging in parallel with the normally open NO of an output set to Input Active The light will be powered as long as either output is active In parallel The following picture illust...

Page 17: ...will receive power as long as all of the outputs are powered except that specific output Figure 7 2 Wiring the I O Board outputs in series OR function Mixed series and parallel The following picture illiterates how to wire the outputs of the IO board in a combination of series and parallel In this illustration the load receives utility voltage when Out1 is powered or when Out2 and Outn are powered...

Page 18: ... lighting is connected directly to the Isolated I O Board Input Sense or in the case of a fire alarm panel connected through a normally closed dry contact from the fire alarm panel as shown Note The fire alarm contact must be rated for the input voltage and be able to switch 100 mA The voltage range for the I O Board Input Sense is 100 300 VAC or VDC The lighting load is connected to the optional ...

Page 19: ...18 115159H LV I O OPTION Notes ...

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