Polar King KE2 User manual

USER MANUAL
KE2 Console/Controller
4424 New Haven Ave. Fort Wayne, IN 46803
Toll-Free: 800.752.7178 Fax: [phone]
Service: 800.223.2017
www.polarking.com
(09-22)
KE2 Combo Display
KE2 Basic Display

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This manual is also available
online in our resource center.
www.polarking.com
All diagrams are available in larger format online in our resource center at www.polarking.com

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Table of Contents
Basic Display Instructions................................................................................................... 4
Description.................................................................................................................. 4
Lights and their meaning............................................................................................. 4
Getting to Evap OEM Board Set Points and Adjustments .......................................... 4
Room Temperature and Defrost type.......................................................................... 4
Combo Display Instructions................................................................................................ 5
Description .................................................................................................................. 5
Get to the Set Points from your Web Interface............................................................ 5
Adjustments on your Combo Display .......................................................................... 6
Evap OEM Board changed from your Combo Display................................................ 7
Management Console Instructions..................................................................................... 8
Check Boxes ............................................................................................................... 8
Services....................................................................................................................... 8
Access Tab .................................................................................................................. 9
Alerts Tab .................................................................................................................... 9
Logs Tab.................................................................................................................... 10
System Tab................................................................................................................ 10
EM-Plus Instructions......................................................................................................... 12
How to Connect ........................................................................................................ 12
Management Console............................................................................................... 13
OEM Board Instructions ................................................................................................... 14
How to Connect......................................................................................................... 14
How to Operate your OEM Board ............................................................................. 18

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Basic Display Instructions
Description
The KE2 Basic Display, is a small unit on the inside of the box located on the Evaporator.
The Basic Display will always display the room temperature. You can also do adjustments
to your Evap OEM Board from the Basic Display.
Lights and their meaning
The Basic Display has three (3) lights.
• Red: Critical alarm, system is not running.
• Yellow: Non-critical alarm, system is running.
• Green: Calling for refrigeration, Liquid Line Solenoid (LLS) / Compressor
Contactor Relay energize.
• Green Flashing: Waiting on min. run or min. o󰀨 timer to energize/ de-energize
LLS / Comp. Contactor Relay.
Getting to Evap OEM Board Set Points and Adjustments
• To access the basic set points, press and hold ENTER until “tS” (Room Temperature
Screen) appears
• Press the ▲ or ▼ to scroll through the set points.
• Press ENTER to view the current set points.
• Press ▲ or ▼ to change the setpoints. Press ENTER to move between digits to
accelerate changes.
• Press and hold ENTER to save the setpoint.
• Press BACK to escape
Room Temperature and Defrost type
Please follow the steps above to do the tasks below.
• The sign for Room Temperature is – tS.
• The sign for Defrost type is – dtY.
• If your room temperature is ≥ 33° Fahrenheit (0.5° Celsius), the Defrost Type
should be “Air”, will be displayed as “Air”.
• If your room temperature is ≤ 32° Fahrenheit (0° Celsius), the Defrost Type should
be “Electric”, will be displayed as “ELE”.

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Combo Display Instructions
Description
The KE2 Combo Display, located on the front of your Polar King unit, will automatically
display the room temperature of your unit. From the Combo Display, you can also access
the Set Points of your Evap OEM Board and change settings. All the set points for both the
Evap OEM Board and the Combo Display come preprogrammed for you. Later, you may
decide to make some changes and you can do that from your Combo Display.
Get to the Set Points from your Web Interface
• Connect and login to your Evap OEM Board.
• Once you are on, click on the three bars in the top left side of the screen.
• Scroll down to “Pair Controller/ Combo Display”.

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• On the far right you will nd your Combo Display set points.
• All Combo Display set points will come preprogrammed.
• One you may look into changing would be “Buzzer Mode”.
• Buzzer Mode- this set point has three options.
• Disabled- alarm will never make sound.
• Enabled- alarm will make sound.
• Door Alarm Only- alarm only makes sound for the door being opened to long
(will need a door switch for this feature).
Adjustments on your Combo Display
• Combo Display set points can also be adjusted on the combo display itself.
• To get to Combo Display setpoints, press and hold ENTER and BACK till “Aux 1
Function” appears.
• Once you are on “Aux 1 Function” you can scroll through the settings using ▲ and
▼.
• Once on the set point you would like to change, press ENTER.
• If the yellow and red LEDs are blinking, that set point has selectable options.
• Use ▲ and ▼ to scroll through the options.
• If the set point is a number, use ▲ and ▼ to change the number.
• Use ◄ and ► to move to the next digit.
• Press and hold ENTER for 3 seconds to save changes.
• Press BACK to go back to the setpoints page.
• Press BACK 3 times to return to default screen.

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Evap OEM Board changes from your Combo Display
• Press ◄ or ► so you will see “SELECT CONTROLLER” come across your Combo
Display.
• Then use ▲ or ▼ to select the controller you would like to look at.
• Press ENTER on your desired controller.
• Then use ◄ and ► to scroll through the menus.
• Setpoints, Variables, Manual Menu, Login, Alarms.
• Press ENTER on “Setpoints”.
• “LOGIN” will be displayed, Press ENTER.
• 0000 will be displayed.
• Use ▲ and ▼ to change the digit to 2.
• Use ◄ and ► to move to the next digit.
• The password is 2222.
• Press and hold ENTER for 3 seconds.
• Once logged in, use ◄ and ► to scroll through the set points.
• Press ENTER to display current value of set point.
• If yellow and red LEDs are blinking, the set point is adjustable.
• Use ▲ and ▼ to scroll through the options.
• If it is a number, the right most digit will be blinking.
• Use ▲ and ▼ to adjust the digit.
• Use ◄ and ► to change digit.
• Press and hold ENTER for 3 seconds to save the change.
• Press BACK to return to the Setpoint menu.
• Press BACK 3 times to return to default display.

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Management Console Instructions
Check Boxes
• On the right side of the page should be 6 check boxes, you will want to make sure the
following boxes are checked.
• Allow vendor assistance.
• Show client services.
Services
• On the left side of your screen, you will see all your KE2 devices that are connected to
that EM-Plus (OEM board(s), wireless sensors, EM-Plus).
• You will need to make sure for all your devices to click on the 3 of the 4 icons: the check
mark, the cloud, the bell, and the pencil.
• If your EM-Plus is not connected to internet, the cloud will not allow you to click it.
• The EM-Plus only has a cloud.

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Access Tab
• Under this tab, is where you set up your KE2 Portal (this tab is usually preprogrammed,
and you can reach out to Polar King Inc. to get access to the site.
• If you wish to have your own site or you already have one and would like to add this,
please contact KE2 Tech Support at [email protected] or call 636-266-0140.
• Click the check box next to the cloud to save.
Alerts Tab
• Under this tab, you can set up your EM-Plus to email you alerts (please note your
EM-Plus must be connected to internet).
• In the “To” eld, please type in the email address you would like to receive alerts on.
• If there is more than one, put a coma in between the email addresses.
• In the “subject” eld, put in the subject you would like the email to say in your inbox
once you receive an alert.
• Click the check box next to the bell to save.

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Logs Tab
• Under this tab, you will be able to set up how often your EM-Plus logs on your unit’s
data (please note these come preprogrammed at every 10 MIN or 144 logs a day).
• Click the check box next to the pencil to save.
System Tab
• Under this tab, you will be able to set up a wi- bridge.
• To do a wi- bridge, click the Wi- 2.4GHz section or Wi-Fi 5 GHz section.
• In the “Name” eld, type in the SSID you wish to connect to (if your SSID is hidden
make sure to click the check box).
• In the “Pass” eld, type in the password to that SSID.
• Click the check box by “Wi-Fi bridge”.
• Once a Wi-Fi bridge is complete, please not that one of your two EM-Plus Wi-Fi will be gone.