Q.1.64 July 2021
KE2
Evaporator
Efficiency
Condensed Quick Start Guide
therm
solutions
This reference should remain on site
with the installed contactor panel.
© Copyright 2021 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Parts List
The following parts are included:
Kit #20178 with 120/208-240 VAC controller
Kit #20844
❶
with 120/208-240 VAC controller
Kit #20631
❷
with 120/208-240 VAC controller
Kit #20222
❸
Beacon® I & II replacement
(1) KE2 Evaporator Efficiency controller
(1) high voltage safety shield
(3) 15’ colored temperature sensors
❶❷❸
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(4) 90 degree quick disconnects
(5) self-tapping screws
(2) course thread screws &
(1) fine thread machine screw with lock washer
(1) KE2 Terminal Board with fuses
(1) KE2 Evap Navigation sticker
(2) 1/2” plastic knockout plugs
(4) wire ties
(rated for low temp)
(1) air sensor mount
(1) 5-position pluggable connector (for EEV)
(4) 3-position pluggable connectors
(for power in, transducer and 3A
relays)
(8) 2-position pluggable connectors
(for sensors and digital input, analog
output)
(1) 120 Voltage jumper
(1) 208-240V Voltage jumper
(already installed on KE2 Evap)
(1) Split Bushing
(for high voltage shield)
(1) EC Motor Relay (120V & 240 V) kit
(not shown)
20844 KE2 Ultimate Install kit includes KE2 Mounting Box pn 20687 and 40’
colored temperature sensors
20631 kit does not include temperature sensors
20222 Beacon® kit includes an extra temperature sensor, and pressure transducer with cable.
*
To function properly, the controller requires a room temp sensor (T2Air - blue) and a coil
temp sensor (T3Coil - yellow) . KE2 Therm strongly recommends the third sensor is used as
2nd coil temp sensor (T4Aux - green).
Supplies List -
All accessories required for the controller to work are
supplied. However, truck stock items are required for the installation.
(2) Conduit to go between the controller and the evaporator
(2) Conduit connectors (straight or elbow as required)
(11) High voltage wires matched to the load of the heaters, fans, liquid line
solenoid, alarm (if used), and the controller.
(8) Spade Connectors matched to gauge of high voltage wires
Wire labeling (numbers, colors, etc.)
Additional wire ties
18 gauge twisted shielded pair (if extending sensor wires)
Foam insulation if running wires outside the space.
Silicone (for sealing any box penetrations)
Popular Accessories -
The following parts are available separately:
Wire Harness- 10’ pn 20736, 25’ pn 20670, 40’ pn 20737
Mounting Box pn 20687
Door Switch pn 20543
Buzzer & Light Combo (120VAC) pn 20973
Further information on accessories can be found in KE2 Condensed Catalog 411.
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Left Arrow & Right Arrow
Use to move between Menus columns
Up Arrow & Down Arrow
Scroll through Menu Parameters
ENTER
Press and hold ENTER for 3 seconds, when
display is blinking changes can be made.
BACK
Press BACK to return to the previous view.
Press and hold ENTER for 3 seconds.
Change settings:
Save changes:
Moving through controller menus:
Return to Main Menu:
Lights:
Red - critical alarm (system not running)
Yellow - non-critical alarm (system running)
Green - compressor should be on
- compressor waiting on timer to start/stop
ENTER
Press ENTER to go from parameter to value.
Toggle beween
description & value :
Menu Layout:
Variables
Manual*
(view only)
Alarms
(view only)
ENTER
Setpoints
Enter
Password
NO ALARM
EMAIL FAILURE
ROOM TEMP
DERIVATIVE
ROOM TEMP
FIRMWARE VERSION
MANUAL CONTROL
CLEAR MD
Controller Navigation
ENTER
ENTER
BACK
Press BACK 3 - 4 times
If you lose your place:
* For manual defrost use MANUAL CONTROL
BACK
24-hour Emergency Support: 1.888.337.3358
www.ke2therm.com
pn 21061 9-14
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NOTE: All sensors
can be used for any
purpose and are
interchangeable,
colors are for ease of
identification only.
Video 046 How to Wire the KE2 Evap Controller
Video 033 How to Confirm the KE2 Evap is Wired
Correctly
Video 068 How to Determine Proper Coil Sensor
Location
Video 069 How to Properly Install a Coil Sensor
Video 032 Initial Defrost Sequence
Visit our YouTube channel for videos
on KE2 Evap installation and setup.
Introduction Mode
Applying power to the controller for the first time causes it to enter Introduction
Mode. Introduction Mode consists of as little as 4 setpoints that must be con-
figured to begin controlling the system.
Mechanical Valve
(TEV) -
4 steps
Preset EEV
5 steps
Custom EEV
8 steps
Room Temp
Room Temp
Room Temp
Defrost Type
Defrost Type
Defrost Type
Valve Type
Valve Type
Valve Type
KE2 Smart Access
Refrigerant
Refrigerant
KE2 Smart Access
Motor Type
(Unipolar/Bipolar)
Motor Step Rate
Max Valve Steps
KE2 Smart Access
Controller Webpages
Logging in is required to make changes via the controller webpages.
The defaults are:
User Name: ke2admin
Password: ke2admin
IMPORTANT: The User Name and Password should be changed from the
default for security purposes.
NOTE: When making changes from the display the password is “2222”
Complete Instructions
Please visit:
http://ke2therm.com/product/ke2-evaporatorefficiency/
and click the Link to Literature button.
— OR —
use this QR code:
youtube.com/ke2therm
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