ICT ICT1500-12SW User manual

1500W Sine Wave Series
Inverter
INSTRUCTION MANUAL
855-151-000
Innovative Circuit
Technology Ltd.
Models:
ICT1500-12SW ICT1500A-12SW
ICT1500-24SW ICT1500A-24SW
ICT1500-48SW ICT1500A-48SW

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WARNING
Risk of serious personal injury or damage to equipment and property! Always
observe the following:
Use an appropriately rated over-current protection device in line with the
main battery connection to the Inverter
Use an appropriately rated over-current protection device in line with the ac
input connection to the Inverter (if transfer relay option is installed)
Use an appropriately rated disconnect switch or circuit breaker in line with
the Inverter dc and ac inputs to enable installation and service with the
battery and ac power source disconnected
Shut off or disconnect the dc and ac power sources before connecting or
disconnecting wiring
Use wire and connectors rated for the maximum load current and size of
fuse or circuit breaker, and keep cable lengths as short as practical
Ensure battery voltage matches the rating of the model of inverter in use
Carefully observe wiring polarity when making input connections
Securely tighten all connections
Install the wiring box and cover and use appropriate wiring strain relief
devices on all wires
The ac NEUTRAL line may be internally bonded to the chassis (if ground
bonding screw is installed). Ensure chassis is connected to earth ground
before use
Batteries can explode or arc! Wear suitable face and hand protection and
use insulated tools when working with batteries
Do not attempt to service any internal parts. Refer all product service to an
authorized ICT Ltd. service facility
CAUTION
Risk of personal injury or damage to equipment! Always observe the following:
Install in a protected environment, keep sources of moisture away from unit
Ensure the total power consumption of the load does not exceed the rated
load capacity of the inverter
Do not block air inlet or outlet openings in the inverter

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Contents
INTRODUCTION..................................................................................4
INSTALLATION ....................................................................................4
OPERATION ........................................................................................8
Status Indicators and Alarms .........................................................9
AC Transfer Switch (Option “T”) ..................................................10
TCP/IP WEB BASED UTILITY OPTION................................................11
Status and Control .......................................................................12
Device Setup ................................................................................13
Network setup .............................................................................14
E-mail Setup .................................................................................17
User Setup....................................................................................18
Maintenance ................................................................................20
MOBILE WEB APP.............................................................................21
PASSWORD and IP ADDRESS RESET.................................................21
ROUTER CONFIGURATION ...............................................................22
TEXT MESSAGE ALARM NOTIFICATIONS..........................................24
TROUBLESHOOTING.........................................................................24
PRODUCT SPECIFICATIONS ..............................................................26
LIMITED WARRANTY ........................................................................28

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INTRODUCTION
The ICT1500 Sine Wave Series is a compact high efficiency true sine wave output
DC to AC inverter with features optimized for commercial applications:
Unparalleled power density at 1500W, with 3000W surge capability
115Vac 60Hz and 230Vac 50Hz models, with 93% peak efficiency
Optional TCP/IP Ethernet port with built in web-server, and support for
SNMP v1/v2 management systems for remote control and monitoring
Optional DC wiring box for code compliant standalone installations
19" dual inverter rack mounting with optional kit for installing 2 units side
by side in 1.5U of rack space
Low idle current draw
Form C alarm contacts for remote notification of alarms
Optional automatic transfer switch with user definable trip levels
Low EMI, FCC Class A compliance
AC front convenience outlets or rear hardwire AC connections standard
Temperature controlled variable speed fan for low noise and long life
Model Numbers and Options (factory installed):
115Vac 60Hz
Models
230Vac 50Hz
Models1
Battery
V
Description
ICT1500-12SW
ICT1500-24SW
ICT1500-48SW
ICT1500A-12SW
ICT1500A-24SW
ICT1500A-48SW
12
24
48
1500W True Sine Wave
inverter
ICT1500-12SWT
ICT1500-24SWT
ICT1500-48SWT
ICT1500A-12SWT
ICT1500A-24SWT
ICT1500A-48SWT
12
24
48
1500W inverter with
AC transfer switch
option
ICT1500-12SWC
ICT1500-24SWC
ICT1500-48SWC
ICT1500A-12SWC
ICT1500A-24SWC
ICT1500A-48SWC
12
24
48
1500W inverter with
Ethernet/SNMP
communication option
ICT1500-12SWTC
ICT1500-24SWTC
ICT1500-48SWTC
ICT1500A-12SWTC
ICT1500A-24SWTC
ICT1500A-48SWTC
12
24
48
1500W inverter with
AC transfer switch and
Ethernet/SNMP option
Optional Accessories:
19 inch rack mounting kit (mount up to 2 inverters): ICT-RMK4
Wiring Junction Box (attaches to back of inverter): ICT-DCWB
INSTALLATION
Perform a quick physical check of the unit as it is being taken out of the box to
ensure it has not been damaged during shipping. Check for the included parts
and accessories shipped with your unit:
1
Models with Australasian IEC type I front AC outlet shown

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3 pin Form-C alarm connector plug
Wall mounting bracket, with mounting screws (4), installed
Instruction Manual
Bus bar connection 5/16 inch bolt, nut, and washer set (2)
Mount the optional wiring junction box base (part of the Wiring Junction Box kit
ICT-DCWB) to the back of the inverter with 4 supplied screws, as shown in Figure
1. Knockout the plugs and install conduit fittings or wire strain relief clamps in
the wiring box openings to be used for the installation, as required. The inverter
must be installed in a restricted access environment such as an enclosed
equipment rack if the back panel wiring junction box is not used.
Figure 1: Wiring Junction Box Installation
Mount the inverter using the wall mount bracket (included) or the optional 19
inch rack-mount tray (ICT-RMK4) using the 4 mounting screws on the bottom of
the inverter, as illustrated in Figure 2. Keep the distance to the battery bank as
short as practical to minimize power loss in the high current wiring. (see DC Wire
Sizing Guide table)
Figure 2: Inverter Wall Bracket Mounting

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The inverter may be mounted horizontally on a shelf, or the ICT rack tray, or in a
vertical wall mounted orientation. Install the unit with either side located on top
(as shown in Figure 3) when wall mounting to ensure proper cooling and long
term safe operation of the inverter. (Mounting hardware not included)
Figure 3: Approved Mounting Orientations
Connect the chassis ground stud on the back panel to a reliable earth ground
point.
Ensure the inverter switch is in the off position, then connect the dc input wiring
from a suitable deep-cycle lead-acid battery to the inverter using appropriately
rated wire size (see DC Wire Sizing Guide), and an in line over current protection
device/disconnect switch or breaker (with disconnect switch in “off” position).
Terminate wire with appropriate size of ring tongue to fit the 5/16” input bus bar
mounting bolts.

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Figure 4: Back Panel Connections
CAUTION
Risk of personal injury or damage to equipment!
Ensure the nominal battery voltage is correct for the model of inverter, and that
the battery positive is connected to the inverter input positive (+) terminal,
battery negative is connected to the inverter negative (-) terminal.
Table 1 : DC Wiring Minimum Sizing Guide, Recommended Minimum Battery Size
Connect the AC loads to be powered by the inverter to the AC OUT wire clamp
connector (Line, Neutral and Ground) located on the back panel, (see Figure 4)
using wire rated for 15A. (14 –12AWG) Alternatively cord connected devices
may be directly plugged in to the AC outlets located on the inverter front panel.
On units with the Transfer Relay (option “T”) connect the external AC power
source (grid power, or AC generator) to the AC IN wire clamp connector on the
back panel of the inverter, using wire rated for at least 15A (14 –12AWG), with
the AC power source switched off.
Distance from
Inverter to Battery
12V input
(100Ah min
battery)
24V input
(50Ah min
battery)
48V input
(25Ah min
battery)
0 –5 feet
1 AWG
6 AWG
8 AWG
5 –10 feet
2/0 AWG
4 AWG
6 AWG
10 –20 feet
4/0 AWG
2 AWG
4 AWG
AC Output to load
L-N-G
External AC Input
(Option “T”) L-N-G
Alarm Contacts
C-NC-NO
10/100 Base-T
Ethernet Port
(Option “C”)
NEG Input from
Battery
POS Input from
Battery with
Breaker or Fuse
AC Transfer V
Setting Switch
15A Output Circuit
Breaker

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CAUTION
Risk of personal injury or damage to equipment!
AC input wiring from the grid or other power source to the inverter must be
protected using a branch rated circuit breaker of 15A or lower value.
Connect the external alarm monitoring wiring to the Form-C alarm contact
output if desired. (See Alarm Output Contacts table, below) Plug the Ethernet
network (CAT-5) cable in to the optional Network port on the back panel (option
“C” equipped units only), routing the alarm and network cable through the
plastic bushing immediately adjacent to the connector on the side of the optional
wiring box tray.
Alarm Pin
Name
Description
1
C
Alarm output common
2
NC
Alarm output Normally
Closed contact
3
NO
Alarm output Normally
Open contact
Table 2: Alarm Output Contacts
Check that all connections to the inverter are correct and tight, then tighten the
wire strain relief clamps in the wiring junction box (if used), and install the wiring
box cover.
Set the external battery disconnect switch or breaker to “on”.
OPERATION
With the unit mounted, wired, and powered as described in the INSTALLATION
section, turn the front panel power switch to the ON position and check that the
green AC indicator on the front panel is flashing slowly, indicating the inverter
battery powered AC output is on.
Switch the external ac source disconnect device to ON (if an external AC source is
being used, Transfer Switch option “T” only), and observe that the green AC
indicator on the front panel is now on continuously, indicating the external AC
source is present and powering the load. The inverter output will now be
powered directly from the external AC source.
The connected AC loads should now be operating normally, powered with up to
1500W (3000W momentary peak) of battery backed AC power.

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Figure 5: Front Panel
Status Indicators and Alarms
The 3 LEDs on the front panel and the Form-C alarm contacts on the back
indicate the status of the inverter:
Alarm or
Notification
Trigger Condition
Inverter
Output
Red
FAULT
LED
Yellow
WARN
LED
Green
AC
LED
Inverter AC
Output OK
(Battery Backup
Mode)
Normal operation,
output above 90VAC
(or 180Vac, 230V
models)
Enabled
-
-
BLINK
External AC
Voltage OK
AC input (Transfer
Relay option only) is
above set limit, and is
powering the output
Enabled
-
-
ON
DC Undervoltage
Warning
Triggers when Input
Voltage drops below
11.0/22.0/44.0VDC for
1 s. Clears when input
is above 11.2/ 22.4/
44.8V for 1s.
Enabled
-
ON
-
Remote
Shutdown
Triggers when Remote
Shutdown is activated
over optional Ethernet,
or remote panel switch
OFF
BLINK
-
OFF
System Fault
Indicates internal
circuit fault - Clears
when all fault
conditions are cleared.
OFF
ON
-
OFF
DC Undervoltage
Triggers when Input
OFF
ON
-
OFF
Green AC Indicator
- Inverter on (flash)
- Grid power (continuous)
Yellow - Low Battery
Warning
Red - Fault
AC Outlets:
2 x NEMA 5-15R (115V)
Or 1 x IEC type I (230V)
Inverter On/Off Switch

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Shutdown
Voltage drops below
10.5/21.0/42.0VDC for
1 s. Clears when Input
Voltage rises above
warning level for 1 s.
DC Overvoltage
Shutdown
Triggers when Input
Voltage rises above
16.5/33/66VDC for 1 s.
Clears when Input
Voltage drops below
16.0/32/64VDC for 1 s.
OFF
ON
-
OFF
Over-
temperature
Shutdown
Triggers when internal
temperature is too
high. Clears when back
to normal range.
OFF
ON
-
OFF
AC Output Failure
Triggers when Inverter
output problem
detected. Must be
cleared manually by
toggling the Power
Switch.
OFF
ON
-
OFF
The form-C alarm contact will be triggered for any condition that lights the red
FAULT LED, or shuts down the output of the inverter.
AC Transfer Switch (Option “T”)
The automatic AC transfer switch ensures that your load is primarily powered
from the AC grid or generator when available, and is quickly transferred to the
battery powered inverter output should the AC power source fail. Transfer time
is typically less than 1 ac cycle, and the voltage transfer thresholds may be
adjusted using the back panel DIP switch settings shown in Table 1. (The output
will be supplied by the inverter when the external line voltage is less than the
Vac-Low setting, and will be transferred back the external AC source when the
voltage rises above the Vac-High setting) The factory default setting is shown in
bold type. Threshold values for 115Vac (230Vac) models shown.
Vac-Low
Transfer
Vac-High
Transfer
Switch settings (1 = “on”, or down)
SW-1
SW-2
SW-3
SW-4
88 (190)
100 (206)
0
0
0
0
92 (197)
105 (215)
1
0
0
0
96 (205)
110 (224)
0
1
0
0
100 (214)
115 (233)
1
1
0
0
86 (188)
104 (212)
0
0
1
1
91 (197)
109 (222)
1
0
1
1

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Vac-Low
Transfer
Vac-High
Transfer
Switch settings (1 = “on”, or down)
SW-1
SW-2
SW-3
SW-4
94 (204)
114 (230)
0
1
1
1
99 (212)
120 (240)
1
1
1
1
Table 3: AC Transfer Switch Threshold Setting
The 15A (7A on 230V models) circuit breaker located on the back panel is a
supplementary overcurrent protection device, to limit potential fault currents
when operating from an external AC source. If this breaker trips it is indicating
that your connected load is drawing excessive current from the unit, or that
there is a fault with the AC wiring.
Note that disabling the inverter output on units with the transfer relay option
will not cut power to the load if AC is being supplied by an external source via the
internal transfer relay.
TCP/IP WEB BASED UTILITY OPTION
Connecting the inverter to the Internet using the optional TCP/IP communication
port (Option “C”) enables full remote monitoring and control of the inverter via
the on-board graphical web interface using any standard web browser, such
Microsoft Explorer, Google Chrome, or Mozilla Firefox.
To connect with your networked inverter, do the following:
Start your browser
Enter the IP address of the inverter in the address field of your browser
as shown:
If the inverter is connected to a network with a DHCP server it will be assigned an
IP address automatically. To find the current IP address of the inverter you will
need to run the IP Address Discovery Utility (available on the Tools download
section of the ICT Web page http://www.ictcorporate.com/resources/tools/ ) to
locate the connected inverter and see the assigned IP address. Run the utility on
a Windows computer connected to the same network as the inverter, and it will
report the IP addresses of all ICT units connected to that network.
The inverter will otherwise use the factory default IP address of 192.168.0.180,
as shown above.
Enter your username and password once you are connected to the unit.
The default Administrator user name is admin, with no password.

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Figure 6: Typical Inverter Login Screen
Your browser will then be logged in to the inverter and the Status and Control
page for the unit will be displayed as shown below. See the following section for
descriptions on how to use the various monitoring and control features available
through the inverter’s graphical web interface.
Status and Control
This page provides information on the input battery voltage, the inverter output
voltage and power, whether the AC output is provided by the inverter or an
external AC source (units with the optional AC transfer relay only), and alarm
status for the inverter. The inverter output may be enabled or disabled by
clicking the on screen On or Off push button. Note that disabling the inverter
output on units with the transfer relay option will not cut power to the load if AC
is being supplied by an external source via the internal transfer relay.
Figure 7: Status and Control Page

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Select any one of the other Inverter web interface pages (such as Device Setup,
or Network Setup etc.) by clicking on one of the blue menu bar items at the left
side of the screen
Device Setup
Use this page to configure the inverter settings. Click on the Save Settings button
when finished to save and implement all new changes.
Figure 8: Device Setup Page
Device Info:
Device Name: Enter a custom descriptive name for the inverter, if desired
Model: Displays the ICT model number for the inverter
Hardware: Displays the hardware version of the inverter
Network Watchdog:
Watchdog Enabled: Checking this box will enable the watchdog feature,
which will cause the unit to periodically ping up to two remote IP addresses
to verify the network connection status. If there is no response from either
address the unit will cycle the inverter output power. This feature is useful
for re-booting a modem or other network device that is powered by the
inverter, to help recover the network IP connection when one of these
devices has crashed. The inverter output will be held in the off state for the
duration set by the Reset Delay time, and then will be turned back on.
Note that disabling the inverter output on units with the transfer relay
option will not cut power to the load if AC is being supplied by an external
source via the internal transfer relay.
Primary IP Address: Enter the remote IP address you would like the inverter
to monitor. If left blank the unit will monitor the Gateway IP address listed in
the Network Setup page.

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Secondary IP Address: Enter an optional second IP address that the unit can
monitor to verify network status. The Network Watchdog will only trigger if
both the Primary and Secondary IP addresses fail to respond.
Watchdog Timeout: Enter the time (1 to 80 minutes) that the remote IP
address must stop responding to ping requests from the inverter, before the
Network Watchdog will trigger an inverter output power cycle. Ensure this
time is greater than the normal start-up time for the network hardware to
prevent nuisance power cycle events at system start up.
Reset Delay: Enter the time (10 to 240 seconds) that the inverter will wait
before re-enabling its output after a watchdog timeout. This delay must be
long enough for any external networking equipment powered by the
inverter to fully shut off, to force the equipment to re-boot when AC power
is restored.
Network setup
Use this page to configure the network settings for the inverter. Click on the Save
Settings button at the bottom of the page to save any changes and re-boot the
unit.
Figure 9: Network Setup Page

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NOTE:
Saving any changes to the network settings will cause the inverter to re-boot,
cycling power to the output.
Network:
MAC Address: Displays the MAC address assigned to the inverter.
Enable DHCP: Turn on this setting if your network uses a DHCP server to
automatically assign IP addresses. (Enabled as default setting). To manually
assign a static IP address to the unit uncheck this box, then set the following
parameters.
IP Address: Specify a unique IP address for the unit.
Subnet Mask: Specify the mask for the subnet the inverter is located on
Gateway: Specify the IP address of the default router (Gateway) used for
connecting attached devices to different networks.
Primary DNS: Specify the IP address of the Primary DNS Server for your
network.
Secondary DNS: Specify the IP address of the Secondary DNS Server for your
network.
Web Server:
CAUTION:
Changing the web server port numbers may cause loss of communication with
the inverter.
The following ports may be changed within a range of 1 to 65565, if
required.
HTTP Port: This port is used for HTTP traffic between the inverter and your
browser. The default HTTP port is 80, and if you change this the new HTTP
Port number must be appended to the URL used to access the inverter. (e.g.
use URL http://192.168.0.180:8000 for IP address 192.168.0.180, port 8000)
HTTPS Port: The HTTPS (HTTP Secure) protocol uses encrypted data transfer
between web browsers and servers for higher security. The default HTTPS
port is 443. Append any changed HTTPS port to the end of the URL for the
unit.

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To access the inverter through a secure HTTPS connection, use https:// at
the start of the units URL. (e.g. https://192.168.0.180:8888 for IP address
192.168.0.180, HTTPS port 8888)
UDP Port: This port is used when applying firmware upgrades to the
inverter. The default UDP port is 9393.
SNMP:
Configure these settings if you would like to use SNMP based monitoring. SNMP
(Simple Network Management Protocol) is an industry standard protocol for
network management software. Enabling the SNMP function on the inverter will
allow standard SNMP management software to connect to the SNMP agent
running on the inverter and read real time system information such as battery
voltage, and output power. The inverter can send SNMP traps to the external
management software when an alarm or fault occurs.
The information available from the SNMP agent is described in a MIB
(Management Information Base) file, which can be downloaded from the
inverter’s Help page. The unique inverter MIB file must then be imported into
your external SNMP management software.
Enable SNMP: Check this box to enable the SNMP agent
Read Community: Enter the community string/password for read-only SNMP
access. The default read community string is “public”.
Trap Community: Assign the community string/password that will be sent
with all traps. Some trap receivers are able to filter based on Trap
Community. The default trap community string is “public”.
Trap IP Addresses: Assign the IP address for up to two devices that will
receive SNMP traps from the inverter.
Enable SNMP Write Access: Check this box to allow remote SNMP control of
the inverter output. If this box is unchecked information from the unit will be
read-only.
Write Community: Enter the community string/password for read-write
SNMP access. The default write community is “write”.
NOTE:
The community strings should be changed to unique passwords before
enabling SNMP, as the defaults are well known.

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SNMP Contact Information: Assign contact information, such as an operator
name and phone number for the inverter, which can be read via SNMP
queries. (This information is optional)
Click on the Save Settings button at the bottom of the page to save any changes
and re-boot the unit.
E-mail Setup
Configure these settings to enable automatic e-mail notifications directly
from the inverter. The information required for this is available from your
Network Administrator, or Internet Service Provider. (ISP)
Figure 10: E-mail Setup Page
E-mail:
SMTP Server: Enter the name or the IP address of your SMTP server used for
sending outgoing e-mail. (e.g. “smtp.gmail.com”)
SMTP Port: Enter the port used by your SMTP server. (Normally 25)
SMTP Server requires SSL: Check this box if your SMTP server requires an
encrypted SSL connection.
Sender E-mail Address: Enter an e-mail address that will appear as the
sender for all e-mail notifications sent from the inverter.

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Recipient E-mail Addresses: Enter one or more e-mail addresses that are to
receive all e-mail notifications from the inverter. Use commas to separate
multiple addresses. This field can also be used to send a text message
notification to a phone; see the Text Message Alarm Notifications section
for further information.
SMTP User Name: Enter a SMTP user name here, if required by your SMTP
server. Leave this field blank if the server does not require authentication.
SMTP Password: Enter a SMTP password here, if required by your SMTP
server. Leave this field blank if the server does not require authentication.
Minimum E-mail Interval: Specify a minimum interval required between e-
mail notifications. (Default 0 minute, range 0 to 60 minutes) This time
interval is used to prevent an un-intended flood of e-mail alarm notifications
that could occur when an alarm limit is incorrectly configured, for example.
E-mail Notifications:
Select these options to receive an e-mail when one or more of these events
occurs.
An inverter failure occurs: Check this box to receive an e-mail notification
when the inverter has an internal fault.
Inverter Communications reset: Check this box to receive an e-mail
notification when the inverter communications processor resets, normally
due to either unit start-up or remote reset.
The Network Watchdog triggers: Check this box to receive an e-mail
notification after the Network Watchdog triggers due to a loss of the
network connection and the network has then come back online.
The Output switches between Inverter and Grid power: Check this box to
receive an e-mail notification if there is a transition in the internal AC
transfer relay (on units with the Transfer Relay option installed) due to the
loss of the external AC source, or when it returns within the acceptable AC
voltage range.
User Setup
Use this page to configure passwords for limiting access to the inverter settings.
Click on the Save Settings button at the bottom of the page to save any
password changes.

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Figure 11: User Setup Page
The unit has no password assigned by default, so an Administrator password
should be assigned to your inverter for improved security.
NOTE:
Record your new password for future access! If the Administrator password is
lost the unit must be reset to return the password to the blank default setting,
causing loss of all other user settings. See the Password Reset section for more
details.
Select a User to Edit: Choose which of the two user accounts to edit.
Administrator (user name: admin) This account has full access to the
inverter settings.
Standard User (user name: user) This account has read-only access to the
inverter, and cannot enable or disable the outputs, or change any of the
inverter settings.
New Password: Use these fields to change the password of the selected user.
New Password: Enter the new password for the chosen user.
Confirm New Password: Re-enter the new password to confirm the entry.
Confirm Changes: Enter the current Administrator Password to confirm the new
password changes, prior to saving the settings

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Maintenance
Use this page to reset the inverter communications port (soft reset), restore its
factory default settings, or send a test e-mail to verify e-mail functionality.
Figure 12: Maintenance Page
Reset Communications: Clicking the Reset button will restart the communication
processor, resetting the Ethernet communication port without interrupting the
AC output. All other settings are maintained.
Restore Factory Default Settings: Clicking the Restore button will restore ALL
settings to the original factory default values, including the user passwords. To
only restore the network settings and passwords see the Password Reset
section.
Send Test E-mail: Click the Send Test E-mail button to send a test e-mail to the
listed e-mail recipients using the e-mail settings on the E-mail Setup page.
Ping Diagnostics Tool: Use this feature to verify connectivity of any network
connected device. Enter the hostname or IP address of the target device, and
then click the Ping button.