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LightAlarms

Tel: (888) 552-6467 

Fax: (800) 316-4515

www.lightalarms.com

06/18 750.1783 Rev. G

6/12

LMIU 125/250/400W Mini Inverter

NOTE: THE FOLLOWING WIRING DIAGRAMS HAVE BEEN SIMPLIFIED FOR CLARITY.

ACTUAL POSITION OF COMPONENTS WILL VARY     

       

Line 120Vac

Switched or

Neutral

120V

Neutral

Input Wiring

Ground

Notes:

1. Connect fixture supply and unit ground in accordance with 

local and national codes.

2. Single voltage wiring only. Either 120V or 277V. Input and 

output voltage must be the same.

3.

DO NOT COMBINE THE INPUT POWER NEUTRAL 
WITH THE LOAD NEUTRAL.

Neutral

Lighting Load

Primary
Un-Switched
AC Input

Un-Switched

Neutral

Ground

Line

(see note 3)

(see note 3)

Wall Switch

Normally ON

Lighting Load

Output Wiring

Triac Dimmer
Device

Fluorescent, LED,
Incandescent

FIGURE 2A

WIRING DIAGRAM:

SWITCHED

NORMALLY ON LOAD

Line 120Vac

Neutral 

120V

Neutral

Ground

Ground

Neutral

Line

Switched Line(Not Used)

Un-Switched Line

Neutral

(see note 3)

(see note 3)

FIGURE 2B

WIRING DIAGRAM:

NORMALLY OFF LOAD

IMPORTANT:

FOR NORMALLY OFF LOADS:

 

REMOVE THIS JUMPER WIRE.

Lighting Load

Primary
Un-Switched
AC Input

Normally ON
Lighting Load

Fluorescent, LED,

Incandescent

Notes:

1. Connect fixture supply and unit ground in accordance with 

local and national codes.

2. Single voltage wiring only. Either 120V or 277V. Input and 

output voltage must be the same.

3.

DO NOT COMBINE THE INPUT POWER NEUTRAL 
WITH THE LOAD NEUTRAL.

Input Wiring

Output Wiring

Summary of Contents for LMIU 125W

Page 1: ...onal Electrical Code and local regulations 12 The LMIU contains potentially hazardous voltages Installation maintenance and service work should be performed by qualified and trained personnel 13 Elect...

Page 2: ...TH NORMAL AND EMERGENCY SOURCES BY TURNING OFF THE A C BRANCH CIRCUIT AND BY DISCONNECTING THE BATTERY CAUTION BEFORE INSTALLING MAKE CERTAIN THE A C POWER IS OFF NOTE THE BATTERY S ARE SHIPPED SEPARA...

Page 3: ...specting the operating voltage All remote circuitry is to be wired in accordance with Article 700 of the National Electric Code Do not exceed the total rating of the Mini Inverter Unit is rated at max...

Page 4: ...e same color in each pole on the terminal block See Figure on side c Leave a minimum of one inch 25mm between the live voltage cabling and the unsheathed low voltage data cabling NOTE NO WIRING IS REQ...

Page 5: ...e of 20 to 30 C 68 to 86 F their life expectancy is 8 to 10 years However as stated above the equipment must be tested for a minimum of 90 minutes once per year When the batteries will no longer opera...

Page 6: ...tched Neutral Ground Line see note 3 see note 3 Wall Switch Normally ON Lighting Load Output Wiring Triac Dimmer Device Fluorescent LED Incandescent FIGURE 2A WIRING DIAGRAM SWITCHED NORMALLY ON LOAD...

Page 7: ...PUT POWER terminals 4 DO NOT COMBINE THE INPUT POWER NEUTRAL WITH THE LOAD NEUTRAL Un Switched see note 3 Line 120Vac Neutral 120V Neutral 120Vac Ground 0 10V FIGURE 2D WIRING DIAGRAM UN SWITCHED NORM...

Page 8: ...switch for at least 6 seconds The reset also initializes the main counter This renewal takes place to compensate for system variations when the unit ages Renewal is not allowed if there is a lighting...

Page 9: ...isabled during a power failure in order for the load to provide a 100 level of lighting The circuit consists of a single pole dry contact relay that is normally closed in stand by operation In emergen...

Page 10: ...not commissioned to the Nexus system Lamp load is OFF None if unit is in normally off mode Nexus option Unit is operating correctly Unit is not commissioned to the Nexus system LED flashing GREEN OFF...

Page 11: ...the batteries LED Flashing RED 2 times every 6 seconds Charger Failure Error Charger not working Reset the unit see page 4 and if the same error is displayed replace the charger board LED Flashing RED...

Page 12: ...CT CUSTOMER SERVICE FOR REPLACEMENT PARTS SERVICING MUST BE PERFORMED BY QUALIFIED PERSONNEL Consult Customer Service for current warranty information All information and specifications contained in t...

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