Evenlite Lite-Minder Manuel utilisateur
By
Installation / Operation Manual - Emergency Lighting
Central Inverter System
IMPORTANT SAFEGUARDS
When using electrical equipment, basic safety precautions should always be followed
including the following:
READ AND FOLLOW ALL SAFETY
INSTRUCTIONS
A. Do not use outdoors
B. Do not mount near gas or electric heaters.
C. Use caution when servicing batteries. Battery acid can cause burns to skin and eyes. If
acid is spilled on skin or in eyes, flush acid with fresh water and contact a physician
immediately.
D. Equipment should be mounted in locations and at heights where it will not readily be
subjected to tampering by unauthorized personnel.
E. The use of accessory equipment not recommended by the manufacturer may cause an
unsafe condition.
F. Do not use this equipment for other than intended use.
This unit contains lethal voltages. There are no user serviceable parts inside. Only authorized
service personnel are to be used for service.
SAVE THESE INSTRUCTIONS
The installation and use of this product must comply with all national, federal, state, municipal
or local codes that apply. Please read this manual thoroughly before installing and operating
the Lite-Minder Central Inverter System.
For assistance please call technical service at 800-967-5573 and speak to a technician
during normal business hours (EST).
EVENLITE - Life Safety Lighting Solutions - 2575 Metropolitan Dr, Trevose, PA 19052 - www.evenlite.com
Lite-Minder
Pg. 1
Table of Contents
1.0 Introduction
1.1 Mechanical Design Features
1.2 Electrical Design Features
2.0 Receiving and Storage
2.1 Inspection
2.2 Storage
3.0 Installation
3.1 Location
3.2 Operating Environment
3.3 Ventilation
3.4 Mounting Guidelines
3.4.1 Clearance
3.4.2 Wall Mounting Hole Locations
3.4.3 Knockout Locations
4.0 AC Connections
4.1 Removing the Top Cover
4.2 Removing the AC Breaker/Terminal Block Cover
4.3 Installing the Input Wires
4.4 Installing the Output Wires
5.0 Battery and DC Connections
5.1 Battery Inspection
5.2 Battery Installation
5.3 DC Voltage of System
6.0 Start up and Shut down procedures
6.1 Start-up Procedure
6.2 Shut-down Procedure
7.0 Specifications
8.0 User Interface
8.1 Scrolling Display
8.2 METER
8.3 ALARM MENU
8.4 EVENT LOG
8.5 SETUP MENU
8.5.1 DATE/TIME
8.5.2 VTD
8.5.3 I-MON (OFF or ON)
8.5.4 I-MON (xx.xxA)
9.0 System Operation
9.1 Startup Mode
9.2 Battery Charging Mode
9.3 Switched Output
9.4 Battery Power Mode
10.0 Warranty
10.1 Technical Service and Support
10.2 Return Material Authorization (RMA)
11.0 Maintenance and Service
11.1 Battery Maintenance
11.2 Battery Replacement
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1.0 Introduction
The Lite-Minder Central Inverter System integrates the latest inverter and microprocessor
technology to produce a Pure Sine wave power output intended for use in Emergency Lighting.
The Lite-Minder is very efficient. It typically has a steady state loss of just 2 percent of full load
while online which makes it ideal for energy saving and green initiatives. It is designed
specifically for emergency lighting from the ground up and meets the needs of all lighting loads
since it is a pure sine wave output. Lite-Minder was designed and developed by an Emergency
Lighting Manufacturer and is a culmination of market requirements that require high efficiency,
load compatibility, energy savings, low cost, and high quality.
Lite-Minder produces a Pure Sine wave and this is the ONLY method of power that will ensure
any lighting load will be powered safely, efficiently and effectively.
1.1 Mechanical Design Features
Batteries and electronics are contained in a single cabinet which makes installation very easy.
Mounting can be achieved on a wall or floor and there are electrical knock outs (EKO’s)
available on all surfaces. Quick access to the interior of the cabinet for battery inspection and
maintenance is accomplished by the removal of two screws which holds the front shroud.
Single module containing all electronics can be easily removed for upgrade or replacement.
This module concept makes maintenance and repair easier and more cost effective because
specialized training and knowledge in a Central Inverter System is not required.
1.2 Electrical Design Features
Through the use of Pulse Width Modulation (PWM) and the latest MOSFET technology, Lite-
Minder can produce a Pure Sine wave output which is compatible with all types of lighting
loads. A high crest factor of 4 is extremely beneficial for high inrush loads and also ideal for
bringing Normally Off lighting loads on from a cold start. The high crest factor also improves
the dynamic response so mixing Normally on and Normally Off loads together causes less
performance loss than traditional inverters. Since the active PWM regulation scheme produces
a very low THD waveform, the Lite-Minder can power up even the most demanding loads with
power factor capabilities ranging from 0.5 leading to 0.5 lagging.
There are three distinct outputs from the Lite-Minder which are Normally On, Normally Off and
the Switched Outputs. The Normally On Output is always present under normal utility power or
emergency power. The Normally Off Output is only present under emergency power so it is a
switched output when the Lite-Minder runs under emergency power.
The Switched Output is a user enabled output capable of switching Emergency Lighting loads
on and off making energy savings and green initiatives easy to accomplish. The switched
output is enabled by a switched command input signal of 120-277 VAC. Any output including
Normally On, Normally Off or the Switched Output is capable of producing full output power
and has no de-rating which means that 100 percent of the units rating can be driven from any
output. The switched output is also tied to the VTD function for HID applications having
Normally Off light sources. The batteries are charged by a temperature compensated charger
integrated into a bi-directional converter. A three rate charging scheme and bi-directional
converter topology ensures maximum float life and minimal ripple current on the batteries.
Pg. 3
2.0 Receiving and Storage
2.1 Inspection
The Lite-Minder Central Inverter and batteries are shipped separately. Upon arrival, please
inspect the contents to ensure that no shipping damage has occurred. This is especially
important with the batteries to ensure that there are no cracks or leaks. If any damage has
occurred, notify the shipping carrier immediately and submit a damage claim.
WARNING - Do not install damaged battery as this may cause an unsafe condition.
2.2 Storage
Storage before the installation is critical for the battery life expectancy and warranty. Store the
batteries indoors in a clean, dry, and cool location. Storage at higher temperatures will result in
accelerated rates of self-discharge and possible deterioration of battery performance and life.
WARNING– The maximum storage time from shipment to initial charge is 6 months for
batteries stored at ambient temperatures no warmer than 77°F (25°C). For storage
temperatures greater than 77°F (25°C), the batteries must be recharged one (1)
month sooner for every 5°F (3°C) increase above 77°F (25°C).
Storage Temperature Storage Time
32°F (0°C) to 50°F (10°C) 9 Months
51°F (11°C) to 77°F (25°C) 6 Months
78°F (25°C) to 92°F (33°C) 3 Months
Storage at high temperatures will result in accelerated rates of self-discharge and possible
deterioration of battery performance and life. Storage times exceeding the above may result in
plate sulfation, which may adversely affect electrical performance and expected life.
Failure to install and charge the batteries as noted VOIDS the battery’s warranty.
DANGER-A battery can present a risk of electrical shock and high short circuit
current.
Valve-regulated lead-acid (VRLA) batteries contain an explosive mixture of
hydrogen gas. Do not smoke, cause a flame or spark in the immediate are of
the batteries. This includes static electricity from the body. Use proper lifting
means when moving batteries and wear all appropriate safety clothing and
equipment.
Pg. 4
3.0 Installation
3.1 Location
NEC article 700 EMERGENCY CIRCUITS should be referenced for proper installation of a
Central Inverter System. Article 700 dictates that unit must be mounted in a permanent
location. Choose a cool dry place with normal ventilation and one which will allow easy access
for testing and maintenance. Avoid a location which could allow vandalism and tampering with.
Avoid areas that would prohibit visual contact with the heads up LED status displays.
3.2 Operating Environment
Choose a location that is controlled between 20 and 30 degrees C. for optimum battery life
and performance. Lite-Minder is UL listed between 20°C to 30°C (68°F to 86°F) because of
battery discharge performance results. Do not install in a wet or damp location. Do not install
in environments that will expose the unit to excessive temperatures like boiler rooms as this
will significantly depreciate battery life.
Heat is the determining factor of battery life. Every means should be made to keep the
batteries in an environment that keeps the batteries around 25 degrees C for rated battery life.
3.3 Ventilation
Choose a mounting location that is clean and dust free. Do not install in areas where there is
particulate from heavy industrial machinery, corrosive chemicals or welding and plasma
cutting environments, etc.
WARNING – Batteries for Light-Minder can weigh up to 60 pounds
each. Total system weight can be up to 160 pounds. Ensure that the
mechanical mounting means can support this weight.
3.4 Mounting Guidelines
3.4.1 Clearance
Lite-Minder is convection cooled and air ventilation is through the sides and up the top. Leave
at least 4 inches of clearance on the sides and top for proper air circulation.
WARNING - Never leave any objects lying on the top of the unit which
would prevent proper air flow. This blocking of air circulation may
result in an over-temperature fault during Battery Charging or Battery
Power mode depending upon ambient conditions.
Pg. 5
3.4.2 Wall Mounting Hole Location
Mounting holes are provided for Wall Mount purposes. The location of these holes are at the
back side of the cabinet and will accommodate ¼’mounting hardware. Four holes are provided
and all 4 should be used when wall mounting.
remove 3 screws and 2 nuts an washers
holding the gear tray
pull the Gear Tray forward
and lift up while supporting
from below
disconnect AC Input/Output connectors
and Installation Switch cable
remove 4 screws - remove the
AC Breaker/Terminal Block Assembly
Gear Tray
AC Breaker/Terminal Block
Assembly
Note:
Using the mounting holes
provided in the rear of the
enclosure requires removal
of the gear tray and AC
Breaker/Terminal Block
Assembly for access.
Note: See optional Wall Mounting Kit (next page)
Gear Tray and AC Breaker/Terminal Block Assembly Removal
Wall Mounting Dimensions
Pg. 6
Optional Mounting Kit for Wall or Strut Mounting
Bracket mounts to enclosure rear
panel with 3x 1/4-20 bolts
No unit dis-assembly is required
Enclosure Outline
Inverter hooks on to plate and is
secured by 2x 1/4-20 bolts in
battery compartment
Plate is fastened to
wall or struts (hardware
supplied by others)
2x 1/4-20 bolts
Rear conduit clearance holes
Mounting Plate Dimensions
Struts
Pg. 7
3.4.3 Knockout Locations
Electrical Knock Outs are provided on all surfaces of the Lite-Minder. Ensure all metal conduit
is secured and tightened creating a good connection to earth ground. Use an Ohm-Meter to
check that continuity between conduit and protective earth ground has been established.
At NO time is drilling allowed into the cabinet! Drilling causes metal filings to be deposited on
surfaces and could land on the Printed Circuit Boards and cause short circuits.
WARNING – Drilling into cabinet may void warranty if metal filings
causes unit failure.
Pg. 8
Space for Optional Mounting Kit
(see page 7)
Wall
Wall
bottom View
top view
right side view
front view
4x .28 dia. mounting holes
(floor mounting)
knockouts on
rear panel
12x double web
knockouts
.875/1.125 dia.
17.72
4.0 AC Connections
WARNING – Only qualified personnel that are familiar with AC and DC
installation techniques and codes (such as an electrician) should perform the
installation.
WARNING – The Lite-Minder contains lethal AC Voltages. Because of these
hazards, always shut down all sources of power before you install, maintain,
or service the unit.
WARNING – Remove all rings, watches, and other jewelry before doing any
electrical service or installation work. Always wear protective clothing and
appropriate personal protective equipment (PPE) that is suitable such as eye
protection when working near batteries.
4.1 Removing the Top Cover
All the connections for the AC input and output are located on the top right side of the units’
enclosure. To access this wiring area, remove the top 2 screws that secure the units Top
Cover. After the two top screws are removed, simply slide the Top Cover forward and then
slide it down so that the bottom flange releases from the cabinets mating flange.
remove 2 screws - pull
cover forward and down
and back to remove
Installation Switch
disconnect
installation
switch remove screw and
lift off cover
AC Breaker/
Terminal Block Cover
Cover Removal
Inverter Cover
lift
Pg. 9
4.2 Removing the AC Breaker/Terminal Block Cover
There is a single screw that holds the AC Breaker/Terminal Block Cover securely to the
chassis. This cover conceals the wiring area and provides a safety cover so that fingers
cannot inadvertently touch live parts after installation. After removing this screw, simply lift the
cover up all the way until it is perpendicular and slide it forward so that the two flanges on the
cover release from the mating two slots on the chassis.
WARNING – Always re-install the AC Breaker/Terminal Block Cover to prevent
accidental contact with live wires during routine maintenance.
4.3 Installing the Input Wires
Once the Top Cover and Circuit Breaker Terminal Block Cover are removed:
1. Ensure that the incoming AC voltage to the Lite-Minder is the same voltage rating as the
unit.
2. Ensure that the feed breaker from the panel has at least the same breaker rating as the Lite-
Minder’s input breaker.
Once Feed Voltage and Breaker size is correct, connect the Utilities Feed Line voltage to the
Input Circuit Breaker. There will also be a dedicated position for Neutral, and Ground. Ensure
that the connections are tight by giving the wires a good pull and ensure that the wires are
secured into the blocks. Connection to these blocks will require a small flat bladed screw-
driver.
NOTE – AC Input and AC output wires must be run in separate conduit or raceways per
NEC ARTICLE 700. Please ensure all codes and standards are observed.
NOTE - Lite-Minder requires that the Neutral and Ground potential does not exceed 5 VAC
for proper function. Anything above 5 VAC typically indicates that there may be a
grounding issue or inadequate conductor size or continuity. This should be looked at
immediately as it could cause a safety concern.
NOTE – Neutral and ground should never be tied together anywhere in the Lite-Minder.
Always keep Neutral and Ground wires separate and ensure no shorts occur.
NOTE – Neutral connections in Lite-Minder are a “Pass Through’ which means Input and
Output Neutrals are directly connected.
NOTE – Never mix Neutrals on the building wiring(Non-Emergency) with the Emergency
wiring. Dedicated wiring is required by NEC code ARTICLE 700.
4.4 Installing the Output Wires
Connect the load wires to the terminal block labeled N. On, N. Off or Switched Outputs. There
will be dedicated terminal hook up positions for each Line, Neutral and Ground similar to the
AC Input section. Again, ensure that the connections are tight by giving the wires a good pull
and ensure that the wires are secured into the blocks. Connection to these blocks will require a
small flat bladed screwdriver. In the event that an output circuit breaker was supplied in the
unit, the load hot wire will be directly connected to the breaker. Load Neutral and Ground will
still connect to a terminal block.
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