IOTA IIS Central Inverter User guide

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IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

Explore the available options for IIS Central Inverters to design the perfect emergency lighting inverter

solution for your unique application.

Note: not all options are available for each model. See Table 1 on page 13 to quickly determine option availability per model, or consult

individual specication sheets.

5YR - Five Year Extended Warranty

Provides additional warranty coverage up to a total of ve years on electronic components. See iotaengineering.com for

full warranty details. Batteries are covered under a separate pro-rated warranty. Available in the continental U.S. only.

Requires factory startup (see FSREG#) to be ordered.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, and IIS3P EXT models.

BACIP - BACnet IP Interface

Equips the IIS Inverter System with an RJ-45 Ethernet port for remote communications to a Building Management

System (BMS) via the BACnet IP protocol. The BACnet IP interface supports standard IP network settings (DHCP or static IP

address, subnet mask, default gateway and programmable port number) and has a programmable system-wide Device

Instance number. This BACnet IP interface provides read-only access to the following telemetry about the

IIS Inverter System:

• Input Voltage(s)

• Output Voltage(s)

• Output Current(s)

• Total Output Power

• Ambient Temperature

• Battery Voltage

• Battery Current

• Total Time on Battery (in Emergency Mode)

• Days of Operation

• Results of the Inverter’s last automatic monthly self-test

• Results of the inverter’s last automatic yearly self-test

• Alarm states including no utility, on battery, battery low, input voltage high/low, inverter failure detected, inverter

overloaded and overload shutdown, ‘load reduction’ activated, ambient temperature high, and battery charger fault.

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

RJ-45 Ethernet port

(on IIS Inverter)

Building Management

System (BMS)

BACnet IP protocol

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IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

BACNET - BACnet MS/TP Interface

Equips the IIS Inverter System with an RS-485 serial port for remote communications to a Building Management System

(BMS) via the BACnet MS/TP protocol. The BACnet interface supports standard baud rates (9600, 19200, 38400, 57600,

115200) and MAC addressing (0-127), and has a programmable system-wide Device Instance number. The BACnet inter-

face supports standard BACnet discovery and provides read-only access to the following telemetry about the IIS

Inverter System:

• Input Voltage(s)

• Output Voltage(s)

• Output Current(s)

• Total Output Power

• Ambient Temperature

• Battery Voltage

• Battery Current

• Total Time on Battery (in Emergency Mode)

• Days of Operation

• Results of the Inverter’s last automatic monthly self-test

• Results of the inverter’s last automatic yearly self-test

• Alarm states including no utility, on battery, battery low, input voltage high/low, inverter failure detected, inverter

overloaded and overload shutdown, ‘load reduction’ activated, ambient temperature high, and battery charger fault

• Event logs, alarm logs, and test logs as text les downloadable via BACnet le transfer

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

BATINST - Battery Installation by Factory Certied Technician

Provides expert battery installation done by a certied IIS Inverter Technician. The IIS Technician will come to the job site

to conduct nal installation of your IIS Inverter System’s batteries and test their operation. The IIS Inverter must already

be physically installed in its nal operating location before the technician arrives and all conduit/wiring must be extend-

ed to the IIS Inverter System. See iotaengineering.com for more details on how to order/schedule battery installation.

Available in the continental U.S. only. Requires factory startup (see FSREG#) to be ordered.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, and IIS3P EXT models.

BFAN - Battery Cabinet Fan

The IIS Inverter battery cabinet(s) are equipped with a fan (one per battery cabinet) for additional airow

and ventilation.

Available on IIS3P and IISCN3P models.

BLOCK(#) - Output Breaker Locks

Provides lock tabs on the output circuit breakers to prevent unauthorized personnel from tampering with the breaker

positions. The breaker locks can either be congured to “lock on” (ie: the lock must be removed to open the breaker and

remove power to the emergency circuit) or “lock o” (ie: the lock must be removed to close the breaker which is useful to

prevent the breakers from accidentally being closed, and thus energizing the circuit, during maintenance).

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P and IIS3P EXT models.

RS-485 serial port

(on IIS Inverter)

Building Management

System (BMS)

BACnet

MS/TP protocol

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IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

BTM - Battery Temperature Monitor

Includes a Battery Temperature Monitor with Shunt Trip DC breaker(s) (1 breaker per battery string). The BTM monitors

the batteries for over-temperature or thermal runaway conditions and trips the battery string DC breaker if over-tem-

perature/thermal runaway conditions exist. Includes a Form C Dry Contact to connect to a Fire Alarm Panel for remote

alarm signaling. Additionally, an external Exhaust Fan Monitoring System will observe a “state of health” dry contact

input that is part of the external exhaust fan. If the exhaust fan is in an alarm condition and the normally-open contact is

closed, then a signal is sent to the IIS Emergency Inverter to stop charging the batteries.

Requires factory startup (see FSREG#, FSCAN, FSMEX) to be ordered. This option is required in California when the

IIS Inverter System has more than 50 gallons of electrolytes or more (applies to 16.7VA through 50000VA single and three

phase models).

Available on IIS Single Phase, IIS3P, and IISCN3P models.

BYPASS - Internal Maintenance Bypass (Make Before Break)

Includes a Maintenance Bypass Switch that is mounted inside the

IIS Inverter System. This device allows maintenance personnel to

route power from the AC utility directly to the output circuit

breakers, bypassing the inverter electronics. The switch isolates

the system to perform routine maintenance or servicing while

allowing the lighting load to remain in normal operation.

The “make before break” switch shorts the direct electrical

connection from the AC utility to the output circuit breakers

immediately before power is disconnected inside the inverter.

Requires output circuit breakers. If output circuit breakers

are not desired, an External Maintenance Bypass may be

available (see EXTPASS).

Available on IIS Single Phase and IISC models. This feature is standard

with IIS3P and IISCN3P models.

BYPASSBBM - Internal Maintenance Bypass (Break Before Make)

Includes a Maintenance Bypass Switch that is mounted inside the IIS Inverter System. This device allows maintenance

personnel to route power from the AC utility directly to the output circuit breakers, bypassing the inverter electronics.

The switch isolates the system to perform routine maintenance or servicing while allowing the lighting load to remain in

normal operation. The “break before make” switch disconnects the power inside the inverter immediately before it makes

the direct electrical connection from the AC utility to the output circuit breakers. Requires output circuit breakers. If

output circuit breakers are not desired, an External Maintenance Bypass may be available (see EXTPASS).

Available on IIS Single Phase, IISC, IIS3P, and IISCN3P models.

DR - Dimming Relay

Allows a 0-10V dimming signal to reach interfacing emergency luminaires during normal power conditions and will inter-

rupt the 0-10V dimming signal if a power loss is detected. This will cause the emergency luminaires to operate at full light

output in power loss conditions regardless of the position of a 0-10V dimming control. Note: the usefulness of on-board

dimming relays is limited in large applications with multiple circuit breakers since this only allows for a single dimming

control to be employed for each output circuit. Consider using an ALCR device such as the IOTA ETS DR in

these scenarios.

Available on IIS 1100 and IISCN models.

Internal Maintenance

Bypass Switch

(Shown on IIS3P model)

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IIS Central Inverter - Options Reference Guide

DRIP - NEMA 2 Drip Top

Provides a NEMA 2 drip top shield to protect the electronics and batteries from falling or splashing water. Typically one

NEMA 2 Drip Top is required per electronics and battery cabinet. Note: this option is NOT intended for use outdoors and

will NOT allow indoor rated inverters to be suitable for outdoor applications.

Available on IIS 1100, IIS Single Phase, IISC, IISM, IIS3P, IISCN and IISCN3P models.

EMD - Enhanced Metering and Programming Display

Outts IISCN models with a meter panel and keypad display that

enables additional metering and programming functions. This option

allows users to view data on system and alarm status as well as the

results of automatic life safety tests. The EMD option also allows users

to program the date, time, and duration of automatic monthly and annual

tests as well as congure set-points for summary alarm contacts.

Available on IISCN models.

EO - Emergency Override

Requires a 120 or 277 VAC feed from the control switch. Provides the ability to enable emergency output for typically

unoccupied venues (such as a stadium) only when emergency egress is required. The IIS Inverter is equipped with an

Enable On/O circuit at the feed panel, separate from the inverter supply feed. When the Enable On/O circuit is OFF, the

IIS Inverter will continue to charge the batteries, but will not energize the emergency load. The emergency output may

be re-enabled by switching the Enable On/O circuit to ON. This option is useful in situations (such as stadiums) where

the building isn’t always occupied and emergency egress lighting isn’t always required. Note: this option may not be

acceptable in certain jurisdictions. Consult local and national codes before ordering.

Available on IIS EXT 1750 models.

EXTPASS - External Maintenance Bypass (Make Before Break)

Equips the Emergency Inverter with a maintenance bypass switch mounted exterior to the unit in a NEMA 1 enclosure

with a hinged door measuring 20” high x 16” wide x 9” deep. This device allows maintenance personnel to route power

from the AC utility directly to the lighting load, bypassing the inverter electronics. The switch isolates the system to per-

form routine maintenance or servicing while allowing the lighting load to remain in normal operation. The “make before

break” switch shorts the direct electrical connection from the AC utility to the lighting load immediately before power

is disconnected inside the inverter. This option cannot be used in conjunction with more than one output circuit

breaker and, if a single output circuit breaker is used, it must be sized for the total system current.

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, and IISCN3P models.

FASTCHG - Fast Charge, Battery Charger Upgrade

Upgrades the battery charger on the IIS Inverter System to decrease the time it takes to recharge a fully discharged bat-

tery bank to full capacity from the standard 24-hour period to a 12-hour period.

Available on IIS 1100, IIS Single Phase, IIS EXT (excluding 1750), IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

ESCAPE

ENTER

EMD Metering and

Programming Display

(shown on IISCN 175

model)

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IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

FLOOR - Floor Mount Bracket

Provides a bracket for securing the IIS Inverter System to

the oor. This option will add anywhere from 2.7” to 5” to

the total system height depending on model (see individual

specication sheets for more details).

Available on IIS 1100, IISC, IISM, and IISCN models.

FLRMOUNT - Floor Mount Base

Provides a base that is factory-installed to the bottom of the IIS EXT 1750 for mounting to the oor.

Available on IIS EXT 1750 models.

FLRSTRP - Floor Mount Bracket and Battery Strapping

Includes options “FLOOR” and “STRAP.” Provides a oor mount bracket to secure the IIS Inverter System to the oor and

battery strapping to contain the batteries within the system.

Available on IIS 1100 and IISCN models.

FSREG(#), FSCAN, FSMEX - Factory Startup

Factory startup provides the condence and reliability of expert installation on IIS Inverter Systems. A qualied IIS

technician will visit the job site to oversee the startup and initial testing of the IIS Inverter to ensure it performs to factory

specications. Should any problems be detected, the IIS Technician will take corrective action to repair the aected com-

ponents. See iotaengineering.com for more information about what is included in Factory Startup.

Must be scheduled with the factory at least two weeks out from when the unit has been received at the job site.

The IIS Inverter must already be physically installed in its nal operating location before the technician arrives and all

conduit/wiring must be extended to the IIS Inverter System. Note: system should not be energized before the IIS Inverter

technician arrives.

Purchasing IIS Inverter Factory startup provides an additional year of Warranty coverage on all electronic components,

provided Factory Startup occurs within 90 days of ship date. Note: the additional warranty provided by Factory Start-

up does not apply to Canada (FSCAN), Mexico (FSMEX), Hawaii and Alaska (FSREG13), or anywhere outside the

continental USA.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

FT - Fast Transfer

IIS Single Phase FT (Fast Transfer) models will transfer to battery power (emergency mode) when AC utility power is inter-

rupted for less than 2ms. This allows IIS Single Phase FT models to be compatible with any lighting type including LED,

Fluorescent, Incandescent, Quartz and HID lamps in addition to motor loads. IIS Single Phase FT models feature a line

interactive design to eliminate excessive transfers to battery power, and are considered “uninterruptable.”

Available on IIS Single Phase models.

IDC - Inverter On, On Utility, On Battery Dry Form C Contact

Provides Dry Form C Contacts that will change state when the IIS Inverter System transfers from AC utility to battery

power (emergency mode). These Form C Contacts are rated at 5 amps maximum at 250VAC/30VDC. These contacts can

be used to provide a continuity path to an external monitoring device (not provided), such as a Building Management

System (BMS) or Indicator Panel for remote monitoring of the IIS Inverter’s operating mode.

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, and IISCN3P models.

IISC with Floor Mount

Bracket

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IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

IRTEST - Infrared Remote Test

Provides a method to manually trigger an Inverter self-test via a laser remote (remote included).

Available on IIS 1100 and IISCN models.

KEYPAD - Keypad and Display Panel (IIS EXT 1750 only)

Includes with the IIS EXT 1750 a 4 x 20 vacuum uorescent display and a 4-button keypad that allows users to view alarm,

test, and operating data about the IIS EXT 1750 and set test and alarm parameters. The KEYPAD option is used for system

setup and status and is recommended to order one KEYPAD per site. The KEYPAD option allows users to view the follow-

ing telemetry about the IIS Inverter System.

• Input Voltage

• Output Voltage

• Output Current

• Battery Voltage

• Battery Current

• Battery Temperature

• Ambient (Internal) Temperature

• Total Time on Battery (in Emergency Mode)

• Days of Operation

• VA Output

• Battery DC Watts (total battery wattage the inverter is processing)

• Results of the Inverter’s last automatic monthly self-test

• Results of the inverter’s last automatic yearly self-test

• Alarm states including High/Low Battery Charger Fault, Near Low Battery, Low Battery, Load Reduction Fault, Output

Overload, High/Low AC Input Volts, High Ambient Temperature, Inverter Fault, Output Fault

Available on IIS EXT 1750 models.

LBT - Load Bank Test

As part of the Factory Startup and Testing Process an IIS Inverter technician will perform a full-load test IIS Inverter Sys-

tem to ensure that it is ready for emergency operation. This option is useful in situations where the total emergency light-

ing load isn’t present at time of Inverter Startup, but a full-load test is desired. Available in the continental U.S. only.

Requires factory startup (see FSREG#) to be ordered.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, and IIS3P EXT models.

LCR - Load Control Relay

Equips the IIS Inverter with a relay used to bypass an ON/OFF control (such as a wall switch or occupancy sensor). Note:

the usefulness of the on-board load control relay is limited in large applications with multiple circuit breakers since this

only allows for a single ON/OFF control to be employed for each output circuit. Consider using an ALCR device such as

the IOTA ETS DR in these scenarios. Requires at least one output circuit breaker.

Available on IIS Single Phase, IISC, and IIS3P models.

LFILTER - TVSS Line Filter

Protects the emergency inverter against short duration, excessive voltage spikes (such as lightening strikes) on the utility

line by suppressing the voltage to a safe level and diverting the excess current to the ground. TVSS stands for Transient

Voltage Surge Suppressor.

Available on IIS 1100 models.

ENTER ESCAPE

IIS EXT 1750

KEYPAD

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IIS Central Inverter - Options Reference Guide

MDC - Status Monitoring Dry Form C Contacts

Equips the IIS Inverter System with a series of Dry Form “C” contacts that are pre-congured to various indicators on

Inverter status including:

• Utility power present

• Inverter bypass (if optional maintenance bypass is included, see BYPASS, BYPASSBBM, and EXTPASS)

• High temperature

• Summary fault

• Inverter on (emergency mode).

These contacts will change state when their associated Inverter state is triggered. For example, if the IIS Inverter System

detects a high temperature fault, the high temperature Status Monitoring Contact will change state. These contacts

can be connected to an external panel (see “MDCP” option) or indicator (not provided) for external monitoring of the IIS

Inverter’s alarm status.

Available on IIS 1100, IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

MDCP - Status Monitoring Dry Form C Contacts with Remote Status Panel

Includes the MDC option (see MDC section for more details) and an

additional remote status panel and alarm silence switch that will display

alarms based on the state of the Status Monitoring Dry Form C Contacts.

This allows users to remotely monitor Inverter status and silence alarms.

Available on IIS Single Phase, IISC, IIS3P, and IISCN3P models.

MODBUSIP - MODBUS TCP Interface

Equips the IIS Inverter System with an RJ-45 Ethernet port for remote communications to a Building Management System

(BMS) via the MODBUS TCP protocol. The MODBUS TCP interface supports standard IP network settings (DHCP or static IP

address, subnet mask, default gateway, and programmable port number). The MODBUS TCP interface provides read-only

access to the following telemetry about the IIS Inverter System:

• Input Voltage(s)

• Output Voltage(s)

• Output Current(s)

• Total Output Power

• Ambient Temperature

• Battery Voltage

• Battery Current

• Total Time on Battery (in Emergency Mode)

• Days of Operation

• Results of the Inverter’s last automatic monthly self-test

• Results of the inverter’s last automatic yearly self-test

• Alarm states including no utility, on battery, battery low, input voltage high/low, inverter failure detected, inverter

overloaded and overload shutdown, ‘load reduction’ activated, ambient temperature high, and battery charger fault

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

RJ-45 Ethernet port

(on IIS Inverter)

Building Management

System (BMS)

MODBUS TCP protocol

Remote

Status Panel

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IIS Central Inverter - Options Reference Guide

MODBUSRTU - MODBUS Serial (RTU or ASCII) Interface

Equips the IIS Inverter System with an RS-485 serial port for remote communications to a Building Management System

(BMS) via the MODBUS RTU or MODBUS ASCII protocol (selectable). The MODBUS Serial interface supports standard baud

rates (9600, 19200, 38400, 115200), parity (no parity or even parity) and device addressing (1-247). The MODBUS Serial

interface supports setting a custom Device/User ID string (via Function Code 0x15) and retrieving it (via Function Code

0x11 – Report Server ID – or Function Codes 0x2B/0x0E – Encapsulated Interface Transport ‘Read Device Identication’).

The MODBUS Serial interface provides read-only access to the following telemetry about the IIS Inverter System (via

MODBUS Function Codes 0x01 through 0x04, and 0x14 for retrieving log les):

• Input Voltage(s)

• Output Voltage(s)

• Output Current(s)

• Total Output Power

• Ambient Temperature

• Battery Voltage

• Battery Current

• Total Time on Battery (in Emergency Mode)

• Days of Operation

• Results of the Inverter’s last automatic monthly self-test

• Results of the inverter’s last automatic yearly self-test

• Alarm states including no utility, on battery, battery low, input voltage high/low, inverter failure detected, inverter

overloaded and overload shutdown, ‘load reduction’ activated, ambient temperature high, and battery charger fault

• Event logs, Alarm logs and Test logs, as text les downloadable via MODBUS Read File Record function code 0x14

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

NOFF - Full Normally-O Output

This option is desirable when connected emergency equipment should only operate during power loss conditions.

During normal operation while the IIS Inverter System is connected to utility power, the normally-o load circuit will

remain inactive. Should a power loss be detected by the IIS Inverter System, the normally-o load circuit will engage

and the emergency equipment will be powered via the IIS Inverter’s internal batteries. A 1-pole output circuit breaker is

provided for connecting to the normally-o emergency load or to normally-o distribution breakers.

Available on IISM models.

OBSHUNT - Main Output Breaker with Shunt Trip

Outts the IIS Inverter System with a main output circuit breaker that includes a shunt trip that can be used to trip the

circuit breaker via an external sensor or remote switch (not provided). A terminal block is provided for connection, and

users must supply their own normally-open momentary push button switch or sensor to activate the shunt trip feature.

Available on IIS Single Phase, IISC, and IIS3P models.

OTA - Output Breaker Trip Alarm

Equips optional output distribution circuit breakers on the IIS Inverter System with an audible and visual alarm that acti-

vates with the circuit breaker is open or has tripped. If the system includes a display panel, the output circuit breaker trip

alarms will also cause an alarm-state notication to appear on the display panel when a circuit breaker has tripped. This

option is especially useful with normally-o breakers since normally-o breakers don’t provide a visual indication that

they have been tripped.

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IISM, IIS3P, IIS3P EXT, and IISCN3P models.

RS-485 serial port

(on IIS Inverter)

Building Management

System (BMS)

MODBUS RTU or

MODBUS ASCII protocol

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IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

OTDELAY - Output Transfer Delay to Emergency

This option causes the IIS Inverter System to delay the transfer from normal operation (AC utility power) to emergency

operation (battery power) and vice versa. When power is lost, the IIS Inverter System will take 3 seconds (factory default)

to apply battery-supplied power to the emergency circuit. This is useful in some xture applications where sensing

controls need to detect the loss in utility power to default to full light output in emergency mode. The transfer delay is

factory set at 3 seconds but may be eld adjusted by an IIS Inverter Technician to 1-8 seconds.

Available on IIS Single Phase, IISC, IIS3P, and IISCN3P models.

PM(A or B)REG(#) - Five-Year Preventative Maintenance Plan

Ensure your IIS Inverter System operates at peak performance through its operating lifespan with regular preventative

maintenance performed by a qualied IIS Inverter Technician. IOTA’s network of factory serviced technicians and factory

trained and authorized service centers will travel to the job site to perform critical maintenance tasks on your IIS Inverter

System on an annual (option PMA5REG#) or bi-annual (option PMB5REG#) basis. See iotaengineering.com for more

details on what is included in the IIS Central Inverter preventative maintenance plan. Available in the continental U.S.

only. Requires factory startup (see FSREG#) to be ordered.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P and IIS3P EXT models.

RAP - Remote Summary Alarm Panel

Provides a box (4" x 4" x 2 ¼") containing a red alarm light and an audible alarm

with a silence switch that will activate on any alarm condition. See individual

product user manuals for alarm details. The Remote Summary Alarm Panel

may be installed up to 1000 feet from the Inverter.

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IISM, IIS3P, IIS3P EXT, and IISCN3P models.

RMP - Remote Meter Panel

Outts the IIS Inverter System with an additional detached

panel and keypad that provides greater exibility in monitoring

and programming the system from a remote location (up to

150 feet away from the inverter). This option allows users to

remotely view status, alarm, and test data about the IIS Inverter

System and remotely program system and test parameters.

Standard Remote Meter Panel mounting distance is 100 feet

but it may be extended up to 150 feet from the IIS Inverter. The

Remote Meter Panel is an addition to the standard display panel

attached to the Inverter cabinet.

Available on IIS Single Phase, IISM, IIS3P, and IISCN3P models.

RS232 - RS232 Serial Port

This option equips IISM models with an RS232 Diagnostic Interface

designed to remotely monitor system parameters, events, and

automatic test data. The user can use the RS232 interface to command

the system to perform a life safety test and review all system, event and

test parameters. Access is provided via a DB9 connector and transmits

at a 9600 baud rate. Note: an RS232 port may be oered as standard

on other models; consult specication sheets.

Available on IISM models.

RS-232 Serial Port

(on IIS Inverter) DB9 Connector

(provided)

ENTER ESCAPE

Remote Meter

Panel

150 feet (max)

Standard Panel

(included, shown on

IIS Single Phase model)

Remote Summary

Alarm Panel

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IIS Central Inverter - Options Reference Guide

RTS - Remote Test Switch and Indicator

Provides a remote test switch, alarm, and indicator that can be used to remotely trigger a life safety test. Alarm conditions

and failure modes will be communicated via the accompanying audible alarm and visual indicator.

Available on IIS 1100 and IISCN models.

SDC - Summary Dry Contacts

Provides Dry Form “C” Contacts (rated at 5 amps maximum at 250VAC/30VDC) that change state when any system alarm

activates. These contacts can be used to provide a continuity path to an external monitoring device (not provided), such

as a Building Management System (BMS) or Indicator Panel for remote monitoring of the IIS Inverter’s alarm status. The

Summary Dry Form C Contacts will change states with the following alarms (if available): high battery charger fault,

near low battery, low battery, load reduction fault, output overload, high/low AC input volts, high ambient temperature,

inverter fault, and system test fault. The Summary Dry Contacts can also be congured to change state when optional

circuit breaker trip alarms are triggered (see OTA option).

Available on IIS Single Phase, IISC, IISM, IIS3P, and IISCN3P models.

SNMP - Serial to Ethernet Network Adapter

Equips the IIS Inverter System with an RJ-45 Ethernet port for remote communications to a Building Management System

(BMS) or Network Manager via SNMP protocol. The SNMP interface supports standard IP network settings including

DHCP or static IP address, subnet mask, and default gateway. The SNMP interface supports SNMP v1 and v2c, and

supports the programming of SNMP traps when user dened alarm conditions are met. The SNMP interface supports

standard “SNMP Get,” as well as standard SNMP MIB walking via “SNMP Get Next,” and provides read-only objects (OIDs)

for the following telemetry about the IIS Inverter System:

• Input Voltage(s)

• Output Voltage(s)

• Output Current(s)

• Total Output Power

• Ambient Temperature

• Battery Voltage

• Battery Current

• Total Time on Battery (in Emergency Mode)

• Days of Operation

• Results of the Inverter’s last automatic monthly self-test

• Results of the inverter’s last automatic yearly self-test

• Alarm states including no utility, on battery, battery low, input voltage high/low, inverter failure detected, inverter

overloaded and overload shutdown, ‘load reduction’ activated, ambient temperature high, and battery charger fault

Available on IIS Single Phase, IISC, IIS3P and IISCN3P models.

SPAREF - Spare Fuses

Provides spare fuses for the IIS Inverter System.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

SPARES - Spare Fuses and Circuit Boards

Provides spare fuses and circuit boards for the IIS Inverter System.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

RJ-45 Ethernet port

(on IIS Inverter)

Building Management

System (BMS)

SNMP protocol

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IIS Central Inverter - Options Reference Guide

ST - Standard Transfer

Single Phase ST (Standard Transfer) models will transfer to battery power (emergency mode) when AC utility power is in-

terrupted for more than one line cycle (50ms). This allows IIS Single Phase FT models to be compatible with most lighting

types including LED, Fluorescent, Incandescent, and Quartz lamps. IIS Single Phase ST models are

considered “interruptible.”

Available on IIS Single Phase models.

STAINLESS - Stainless Steel Enclosure

Outts IIS EXT Outdoor Inverter Systems with a stainless steel enclosure to protect against corrosion from exposure to

salt water or environments where corrosive gas or moisture is present.

Available on IIS EXT (excluding 1750) and IIS3P EXT models.

STRAP - Battery Strapping

Provides battery strapping to secure the batteries in the enclosure.

Available on IIS 1100, IISC, and IISCN models.

STRAPW - Battery Strapping and Wall Mount Bracket

Includes options STRAP and WALL. Provides a wall mount bracket to mount the IIS Inverter to the wall and battery

strapping to secure the batteries in the enclosure.

Available on IISC models.

SZ - Seismic Rating with Shaker Table Testing for OSHPD

IIS SZ and IIS3P SZ models are designed and built to meet Seismic Zone 4

(the highest seismic zone rating) conditions and undergo thorough

withstand testing to meet OSHPD certication requirements. These

models undergo shaker table withstand testing to an SDS level of 2.5g

in accordance with ICC-ES-AC-156 procedures. If OSHPD certication is

not needed, many IIS models oer Seismic Zone Mounting (see SZM option)

for increased durability and safety in seismic zone installations.

Available on IIS Single Phase and IIS3P Models.

SZM - Seismic Zone Mounting

Provides an additional base and battery strapping (on certain models) for seismic mounting to the oor. Note: this

option does not include shaker testing to meet OSHPD/ICC requirements. IIS SZ or IIS3P SZ models must be pur-

chased for seismic applications where shaker testing is required.

Available on IIS Single Phase, IISC, IISM, IIS3P and IISCN3P models.

IIS SZ Model for

Seismic Applications

Page 12

IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

TREG(#), TCAN, TMEX - Extended On-Site Training

Empower facility sta to condently maintain the IIS Central Inverter System with Extended On Site Training. An addi-

tion to the IIS Factory Startup program, Extended On Site Training is conducted at the job site by a qualied IIS Inverter

technician for the benet of any on-site personnel. The training features a deep dive into the system operation, safety

procedures, and maintenance of the IIS Central Inverter. The agenda may be customized at the time of service by the

IIS Inverter technician to accommodate the needs of the attendees. See iotaengineering.com for more details on what

Extended On Site Training entails. Requires factory startup (see FSREG#, FSCAN, FSMEX) to be ordered.

Available on IIS 1100, IIS Single Phase, IIS EXT, IISC, IISM, IIS3P, IIS3P EXT, IISCN, and IISCN3P models.

VRLA10 - 10-Year Long Life VRLA Batteries

Note: IIS EXT 1750 models automatically come with 10-year long-life VRLA batteries as standard. This option equips the

IIS EXT and IIS3P EXT Inverter System with 10-year long-life VRLA batteries for extended battery operation. Standard

batteries in IIS EXT and IIS3P EXT systems have an operating lifespan of 5 years. This option extends the battery lifespan

to up to 10 years of normal operation.

Available on IIS EXT (excluding 1750) and IIS3P EXT models.

VRLA20 - 20-Year Long Life VRLA Batteries

This option equips the IIS and IIS3P Inverter System with 20-year long-life VRLA batteries for extended battery operation.

Standard batteries in IIS Single Phase and IIS3P systems have an operating lifespan of 10 years. This option extends the

battery lifespan to up to 20 years of normal operation.

Available on IIS Single Phase and IIS3P models.

WALL - Wall Mount Bracket

Provides a wall mount bracket for securing the IIS Inverter System to a building wall.

Available on IISC and IISM models.

ZM(#) - Zone Monitoring

Allows the IIS Inverter System to monitor the presence of AC power in a specic zone (ex: area circuit or distribution

panel). Upon loss of normal power in the zone(s), the inverter will switch to emergency mode and power any connected

emergency equipment via its internal battery. Any normally-o loads will turn on and normally-on loads will remain on.

Once AC power is restored to the zone(s), the inverter will return to normal mode. Any normally-o loads will turn o and

normally-on loads will continue operating via AC utility power.

Available on IIS Single Phase, IIS EXT (excluding 1750), IISC, IIS3P, IIS3P EXT, and IISCN3P models.

If you would like further information on IOTA IIS Central Inverter Systems,

or have additional questions on IIS Inverter Options, please visit us on-

line at www.iotaengineering.com or call us at 1-800-866-4682

Page 13

IOTA Emergency Lighting

IIS Central Inverter - Options Reference Guide

Table 1: Option Availability per Model

Option Description

IIS 1100 IIS Single

Phase IIS EXT IIS EXT

1750 IISC IISM IIS3P IIS3P

EXT IISCN3PIISCN

Option Description

IIS 1100 IIS Single

Phase IIS EXT IIS EXT

1750 IISC IISM IIS3P IIS3P

EXT IISCN3PIISCN

RMP

RS232

RTS

SDC

SNMP

SPAREF

SPARES

STAINLESS

STRAP

STRAPW

SZM

TREG(#), TCAN, TMEX

VRLA10

VRLA20

WALL

ZM(#)

Remote Meter Panel

RS232 Serial Port

Remote Test Switch and Indicator

Summary Dry Contacts

Serial to Ethernet Network Adapter

Spare Fuses

Spare Fuses and Circuit Boards

Standard Transfer

Stainless Steel Enclosure

Battery Strapping

Battery Strapping and Wall Bracket

Seismic Rating for OSHPD

Seismic Zone Mounting

Extended On-Site Training

10-Year Long Life VRLA Batteries

20-Year Long Life VRLA Batteries

Wall Mount Bracket

Zone Monitoring

FSREG(#), FSCAN, FSMEX

IDC

IRTEST

KEYPAD

LBT

LCR

LFILTER

MDC

MDCP

MODBUSIP

MODBUSRTU

NOFF

OBSHUNT

OTA

OTDELAY

PM(A or B)5REG

RAP

Factory Startup

Fast Transfer

Inverter On Dry Form C Contact

Infrared Remote Test

Keypad and Display Panel

Load Bank Test

Load Control Relay

TVSS Line Filter

Status Monitoring Dry Form C Contacts

Status Monitoring Contacts w/ Panel

MODBUS TCP Interface

MODBUS Serial (RTU or ACII) Interface

Full Normally-O Output

Main Output Breaker w/ Shunt Trip

Output Breaker Trip Alarm

Output Transfer Delay to Emergency

Five-Year Preventative Maintenance Plan

Remote Summary Alarm Panel

Option

5YR

BACIP

BACNET

BATINST

BFAN

BLOCK(#)

BTM

BYPASS

BYPASSBBM

DRIP

EMD

EXTPASS

FASTCHG

FLOOR

FLRMOUNT

FLRSTRP

Five Year Extended Warranty

BACnet IP Interface

BACnet MS/TP Interface

Battery Installation

Battery Cabinet Fans

Output Breaker Locks

Battery Temperature Monitor

Internal Maintenance Bypass (MBB)

Internal Maintenance Bypass (BBM)

Dimming Relay

NEMA 2 Drip Top

Enhanced Metering and Programming Display

Emergency Override

External Maintenance Bypass

Fast Charge

Floor Mount Bracket

Floor Mount Base

Floor Mount and Battery Strapping

Description

IIS Inverter Series

Option is available Option is not available

IIS 1100 IIS Single

Phase IIS EXT IIS EXT

1750 IISC IISM IIS3P IIS3P

EXT IISCN3PIISCN

IOTA IIS Central Inverter User guide

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