KE2 EvapOEM User manual

© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Q.1.45
May 2019
KE2 EvapOEM pn21231
Quick Start Guide
This reference should remain on site with the installed KE2 Evap OEM controller.
Get your controller
online, & benet from remote
monitoring, control, and text /
e-mail alarm notices.
Just a few easy steps, with
KE2 Smart Access
Pressure Transducer
Part # Description Lead
Length
20201 Pressure Transducer – 0 to 150 psia 10 ft.
20204 Pressure Transducer - 0 to 150 psia 40 ft.
KE2 Therm Accessories
Remote Displays
Part # Description
21232 KE2 Basic (Remote) Display w/ 15 ft. cable
21324 Snap track - 12”
21320 KE2 Combo Display (no accessories included)
21786 Combo Display - 25 ft. Cable
21320 Combo Display - Junction Box
21781 9V Rechargeable Battery for Combo Display
Temperature Sensors
Part # Description Lead
Length
21151 Temperature Sensor Pack - 3-colors 15 ft.
21066 Temperature Sensor Pack - 3-colors 40 ft.
20199 Temperature Sensor - Black 10 ft.
20200 Temperature Sensor - Black 40 ft.
21795 Temperature Sensor - Yellow 10 ft.
21793 Temperature Sensor - Green 10 ft.
21794 Temperature Sensor - Blue 10 ft.
RSV - Refrigeration Stepper Valves
Valve Body Part # Connections - Inches ODF
Inlet x Outlet
Lead
Length
RSV-100 21667 3/8 x 1/2 5 ft.
RSV-100 21665 3/8 x 1/2 10 ft.
RSV-100 21666 3/8 x 1/2 40 ft.
RSV-130 21169 3/8 x 1/2 5 ft.
RSV-130 21161 3/8 x 1/2 10 ft.
RSV-130 21162 3/8 x 1/2 40 ft.
RSV-220 21170 3/8 x 1/2 5 ft.
RSV-220 21163 3/8 x 1/2 10 ft.
RSV-220 21164 3/8 x 1/2 40 ft.
RSV-320 21171 3/8 x 1/2 5 ft.
RSV-320 21165 3/8 x 1/2 10 ft.
RSV-320 21166 3/8 x 1/2 40 ft.
RSV-320 21172 1/2 x 1/2 5 ft.
RSV-320 21167 1/2 x 1/2 10 ft.
RSV-320 21168 1/2 x 1/2 40 ft.
RSV-400 21529 5/8 x 7/8 15 ft.
RSV-400 21530 5/8 x 7/8 40 ft.
RSV-550 21594 5/8 x 7/8 15 ft.
RSV-550 21595 5/8 x 7/8 40 ft.
RSV-650 21779 5/8 x 7/8 15 ft.
RSV-650 21778 5/8 x 7/8 40 ft.
RSV-C10 Stator 21149 For RSV-100 to 320 10 ft.
RSV-C40 Stator 21150 For RSV-100 to 320 40 ft.
RSV-LC15 Stator 21525 For RSV-400 to 650 15 ft.
RSV-LC40 Stator 21526 For RSV-400 to 650 40 ft.
Contents
Point to Point Wiring Diagram
Controller with KE2Terminal Board Page 2
Wiring Diagram
Controller without Terminal Board Page 3
Coil Sensor Location Page 4
Navigation Using the Basic Display Page 5
User Interface/Controller Setup Page 5
Menus and Parameters
Basic Setpoints Menu Page 6
Advanced Setpoints Menu Page 6 -7
Types of Control - First Time Setup Menu Page 8
System Modes Page 8
Auxiliary Input Modes Page 8
Variables Menu Page 8
Refrigerants Page 8
Valve Types Page 8
Alarm Status Menu Page 9
Alphabetical List of Abbreviations Page 9 -11
KE2 Smart Access Page 12
Specications
Controller
Input Voltage: 100VAC - 240VAC
Ambient Temp: -40°F to 140°F (-40°C to 60°C)
Operating Temp: -40°F to 140°F (-40°C to 60°C)
Inputs:
(3) temperature sensor
(3) multi-use (temp sensor or digital input)
(1) pressure sensor input
Valve Types: unipolar and bipolar stepper motors (12V)
Relays: 1-20A resistive (defrost)
(2) 10A inductive
Auxiliary Input 1: room temp, coil temp, monitor, 2nd temp setpoint, door
switch, external alarm, system o, defrost interlock, de-
frost lockout
Auxiliary Input 2:
Auxiliary Input 3:
Communication: Standard TCP/IP
Pressure Transducer
Pressure Range: 0 to 150 psia
Proof Pressure: 450 psi
Burst Pressure: 1500 psi
Operating Temp: -40°F to 275°F (-40°C to 135°C)
Temperature Sensor
Sensor Specs: -60°F to 150°F (-51°C to 65°C) moisture resistant package

BL/BK
OR/BK
Y/BK
FAN/S
HEATERS
LL SOLENOID/COMP RELAY
BK/OR
L1
WT/R
L2
HS
GND
P/N 20996
12 AMP
20 AMP
3 AMP
OR NEUTRAL HEATERS
thermsolutions
®
R/W
BL/BK
BK
BL/BK
FROM
CONTROLLER
EC MOTOR
RELAY
NO NC
COM
TSuc Aux3 Aux2 Aux1 TCoil TAir
0 - 10V OUTPUT
ETHERNET DISPLAY
DEFROST RELAY SOLENOID (COMPRESSOR) RELAY
FAN RELAY
Blue Orange Yellow Red Black
Empty Red Green White Black
EEV
A B Shield
RS 485
Line/L1
Neutral/L2
INCOMING POWER
Red Black Green
PSI
NO COM NC
NO
COM
GROUND
EARTH
GROUND
FUSE
NO
COM (L2)
+ –
+ –
Supply Voltage
FAN
MOTOR
FAN
MOTOR
FAN
MOTOR
EVAPORATOR
FANS
HEATER LIMIT SWITCH
DEFROST HEATERS
LIQUID LINE SOLENOID
N.C.
TSC1A250-1A
1A 250V
slow blow
5mm x 20mm
Q.1.45 May 2019
Page 2
KE2 EvapOEM
Quick Start Guide
© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Point to Point Wiring Diagram - Controller with KE2 Terminal Board

Q.1.45 May 2019
Page 3
KE2 EvapOEM
Quick Start Guide
© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Wiring Diagram - Controller without KE2 Terminal Board
NO
COM
NO
COM
NC
FAN RELAY COMPRESSOR
RELAY
DEFROST RELAY
COM
NO
L1 N/L2
VOUT MOTOR Aux3
Aux2
Aux1 TCoil TAir TSuc PSI RS-485
HS
DEFROST
HEATERS
FANS
S
LLS
NC
NX
BLK
RED
BLK
FIELD SUPPLY
(1 PHASE)
ETHERNET
DISPLAY
BLUE
ORANGE
YELLOW
RED
BLACK
MOTOR
RED
GREEN
WHITE
BLACK
EEV
EMPTY
RSV
XDCR
A
B
SHIELD
G
GRN
ORG
BLACK
GREEN
RED
+
−
+
−

Q.1.45 May 2019
Page 4
KE2 EvapOEM
Quick Start Guide
© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
IMPORTANT
Steps to Ensure Proper Coil Sensor Location
Installing the Sensor - The most active portion of the sensor is the rst 1/2” of the probe.
The inset photo in Figure 2 shows that the sensor is positioned so that it is touching two circuit tubes.
When inserting the sensor into the coil, the tip should touch one of the circuit tubes, and the probe
should be inserted into the ns approximately 1/16” deeper than the stainless shielding. Pinch the ns
gently together, securing the sensor in place. This provides thermal ballast to ensure a complete defrost.
NOTE: The sensor should not be located adjacent to the electric heating elements. It should be
about half the distance between the heaters if possible.
Alternate Method - As the defrost termination sensor, it is important to ensure the sensor does not
terminate defrost before all frost is removed from the coil. In some installations, inserting the sensor into
the coil may position it too close to the defrost heat source. An alternate method of positioning, Figure
3a, places the sensor vertically between the coil ns. Figure 3b shows the coil sensor properly secured.
NOTE: On a small fraction of installations the sensor placement may require adjusting. This is
typically caused by product loading, door openings, air ow, etc. The sensor(s) should be placed
where the frost disappears last on the coil.
Extending sensor wires
After the sensors are mounted, they are routed back to the controller. If the wires must be extended,
use 18 gauge twisted shielded pair. Maximum, combined length, for extension: 100 ft. Contact KE2
Therm if planning to extend sensor wires beyond 100ft.
If additional resistance aects the temperature or pressure reading of the controller, the temperature and
pressure may be“oset”to read correctly. Use the OFFSET* function, in the SETPOINTS menu.
When running the sensor wires to the controller avoid introducing electrical noise. Electrical noise can
occur when sensor wires are located near high voltage lines. Underwriter’s Laboratories denes high
voltage as above 30V. The higher the voltage, the more likely electrical noise will occur.
If crossing a high voltage line is necessary, run sensor wiring at right angles to prevent noise.
* Not available on Basic (Remote) Display.
1.5”
Thermistor
Epoxy
.5”
Figure 1
Figure 2
Figure 3a Figure 3b
1.5 in.
37 mm
2.8 in.
70 mm
3.1 in.
78 mm
1.1 in.
29 mm
0.73 in.
18 mm
1.0 in.
25 mm
2.8 in.
71 mm
Panel Cutout
1.1 in.
29 mm
Dimensions
Remote (Basic ) Display

Q.1.45 May 2019
Page 5
KE2 EvapOEM
Quick Start Guide
© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Changing Setpoints
Pressing and holding the
ENTER
button will enter the Basic Setpoints menu.
Press
ENTER
button to toggle between setpoint and value.
Pressing and holding the
BACK
button will enter the Advanced Setpoints
menu. Press
ENTER
button to toggle between setpoint and value.
When the parameter value is displayed it may be changed by using and
arrows, and
ENTER
buttons. The and arrows will increase or de-
crease numerical values, and will scroll through the available options, on the
non-numerical setpoints.
Press and hold the
ENTER
button for 3 seconds to save the displayed value.
To abort changes, press
BACK
to return to the parameter abbreviation.
Manual Valve Control
Press and hold the
BACK
button & arrow to put the EEV in Manual Con-
trol mode. and arrows will control the valve opening.
ENTER
will ad-
vance to the next digit, and
BACK
will exit this mode.
Manual Defrost
Pressing and holding the
BACK
and
ENTER
buttons will put the controller into
Defrost (next mode).
Diagnostics Mode
The KE2 Evap OEM has been programmed with a diagnostics mode. When
activated, the controller energizes each relay for 60 seconds. When the com-
pressor relay is on the EEV will regulate to the Superheat setpoint.
Display Firmware
Pressing and holding all 4 buttons (
BACK
and
ENTER
)will show the
display’s rmware revision (dir – Display Revision)
Display Options
Simultaneously pressing and holding the and arrows will show the ad-
dress of the display (reserved for future versions).
Web Login
The User Name and Password are required when accessing the controller us-
ing the webpage.
The defaults are: User Name: ke2admin Password: ke2admin
IMPORTANT: For security purposes, the User Name and Password should
be changed from the default.
Basic (Remote) Display User Interface
Most KE2 Evap OEM controllers ship with the Basic Display. The display allows
service technicians to change the major setpoints. Setpoints can also be ac-
cessed using the KE2 Combo Display or the controller’s webpages.
Controller Setup
Upon initially applying power to the controller, the controller will initialize,
then automatically enter Introduction Mode. The Introduction Mode con-
sists of four Types of Control options:
Ed - Electric Defrost with Mechanical TEV
EdE - Electric Defrost with Electric Expansion Valve
Ad - Air Defrost with Mechanical TEV
AdE - Air Defrost with Electric Expansion Valve
Step 1 - Using the and arrows, moves the user through the avail-
able Types of Control options. Once the preferred option is displayed press
and hold the
ENTER
button for 3 seconds.
Note: For mechanical valve control, Ed and Ad options, continue to Step
4. For Ede and AdE control options continue to Steps 2, 3, &4.
Step 2 - Next, the controller prompts for the Expansion Valve Type, and
displays rS (RSV). If this is the correct selection, press and hold the
ENTER
but-
ton for 3 seconds. If not, use the or arrow to move to the correct valve.
With correct electric valve displayed, press and hold
ENTER
for three seconds.
Note: Custom valve setup is not available from the Basic Display.
Step 3 - The controller now prompts for Refrigerant Type and displays
404 (R-404a) as the default. Change this value by pressing the or ar-
row. Once you have the correct value, press and hold
ENTER
for three seconds.
Step 4 - The fourth prompt is whether KE2 SMART ACCESS is ENABLED
or DISABLED. KE2 SMART ACCESS allows you to easily view your control-
ler online. Make your selection by using the or arrow, and then press
and hold
ENTER
for three seconds.THESE ARE THE ONLY SETPOINTS RE
QUIRED TO BEGIN CONTROLLING THE SYSTEM.
Additional Setpoints
For the majority of users, the Basic Display will provide the necessary param-
eters to setup the controller.
From the default display, pressing the and arrows will cycle through
the Variables menu. The
ENTER
button will toggle between the variable
name and value.
Access Setpoint mode by pressing and holding the button until tS (temperature setpoint) displays on the screen
ENTER
Use the up and down arrows to scroll through the available setpoints.
ENTER
Press to view the current setting.
Indicator lights Red light - critical Alarm (system not running)
Yellow light - non-critical alarm (system running)
Green light - compressor on
Green ashing - compressor waiting on timer to start/stop
Use the up and down arrows to change the setpoint.
ENTER
Press to move between the digits to accelerate the changes.
ENTER
Press and hold to conrm each setpoint change.
BACK
Press to escape.
Navigation Using
the Basic (Remote)
Display

KE2 EvapOEM
Quick Start Guide
Q.1.45 May 2019
Page 6
Menus and Parameters
ADVANCED Setpoints Menu
Basic (Remote) Display KE2 Combo Display Min Max Default Description
Abbreviation Scrolling Text
tS tS ROOM TEMP -50.0 F 90.0 F 0.0 F Room Temp Setpoint - Walk-in room temp to be maintained
rFG rF REFRIGERANT N/A N/A R-404A Type of refrigerant used: See table on page 8.
dtY dtY DEFROST TYPE N/A N/A Electric Type of Defrost for Evap: ELE for Electric/ Ai for o time/ HGn for hot gas w/
comp on/ HGF for hot gas w/comp o
Edt Edt VALVE TYPE N/A N/A Mechanical Type of valve used on system: mechanical, pre-congured electric, custom
EEV conguration
ind ind DEFROST MODE N/A N/A Demand Mode to initiate a defrost: dnd-demand; SCH-Schedule; rnt-comp run time
dPd dPd DEFROSTS / DAY 0 8 5 Defrosts per day - If DEFROST MODE = SCH: Number of evenly spaced
defrosts per day the controller will initiate.
dtP dtP DEFROST TERM TEMP 35.0 F 90.0 F 50.0 F The temperature the coil sensor(s) must exceed in order to terminate de-
frost. The controller’s defrost mode is complete at this point.
dEF dEF DEFROST
PARAMETER 0 90 30 if DEFROST MODE = DEMAND: Coecient to KE2 Defrost algorithm
dtL dtL MAX DEFROST TIME 0 min 90 min 45 min If DEFROST MODE = SCH: The maximum amount of time the defrost relay
will be energized. (Not available if DEFROST MODE = DEMAND)
drn drn DRAIN TIME 0 min 15 min 2 min Time to be in drain mode (drip time)
rFt rFt REFRIG FAN TYPE
Manage/Cycle,
Permanent, On with
Compressor, Title 24
On with
Compressor
Manage/CYC - manage fans during refrig cycle; Permanent/PEr - fans on
permanently during refrigeration cycle; On with Compressor/FoC - manage
fans in OFF, then ON in refrigeration; Title 24/t24 - Cycle fans based on Title
24 regulations.
FoC FOC FANS ON COMP    Manage fans in OFF, then ON in refrigeration
PEr PEr FANS PERMANENT    Fans on permanently during refrigeration cycle
CYC CYC CYCLE    Cycle (Managed) manage fans during refrig cycle
t24 t24 TITLE 24    Cycle fans based on compliance with California Title 24 regulations
Stt Stt SUPERHEAT 5.0 F 30.0 F 8.0 F Target superheat value. Only applies when non-mechanical valve selected.
LPt LPt LOW PRESSURE CUT
OUT TIME 0 min 15 min 0 min Only applies when non-mechanical valve selected; 0=Disabled
LPC LPC LOW PRESSURE CUT
OUT -5.0 psig 138.0 psig 8.0 psig Displays when LOW PRESSURE CUTOUT TIME (LPt) is greater than zero.
And,only applies if non-mechanical valve is selected
LPd LPd PRESS DIFF FOR
LPCO 1.0 psig 20.0 psig 15.0 psig
Pressure Dierential for LPCO - Displays when LOW PRESSURE CUTOUT
TIME (LPt) is greater than zero. And, only applies if non-mechanical valve is
selected
rnt rnt COMP RUN TIME 0 hrs 24 hrs 6 hrs Compressor Run Time - When rnt selected, number of hours of cooling
before starting defrost
Htn Htn ELECTRIC DEFROST
MODE N/A N/A Pulse
If DEFROST TYPE = ELE: Whether to leave the defrost relay energized during
the defrost cycle or to utilize advanced defrost algorithm. PUL = Pulse, Prn
= Permanent
HAo HAo HIGH TEMP ALARM
OFFSET 0 F 99.9 F 10.0 F Number of degrees above ROOM TEMP for a HIGH TEMP ALARM condition.
HAd HAd HIGH TEMP ALARM
DELAY 0 min 120 min 60 min Minutes the room temperature must remain above ROOM TEMP + HIGH
TEMP ALARM OFFSET before issuing a HIGH TEMP ALARM
LAo LAo LOW TEMP ALARM
OFFSET 0 F 20.0 F 4.0 F Number of degrees below ROOM TEMP for a LOW TEMP ALARM condition.
LAd LAd LOW TEMP ALARM
DELAY 0 min 30 min 10 min Minutes the room temp must remain below ROOM TEMP-LOWTEMP ALARM
OFFSET before issuing a LOW TEMP ALARM
dAd dAd DOOR ALARM DELAY 0 min 180 min 30 min
If AU IN (1, 2 and/or 3) MODE = dor The amount of time, in minutes, before
an alarm condition is initiated, if door is open & room temperature is 5
degrees above ROOM TEMP + AIR TEMP DIFF
AU1 AU1 AUX IN 1 MODE N/A N/A Disabled See Auxiliary Input Modes table
A1A A1A AUX IN 1 STATE N/A N/A Closed oPn= active if input is an open / CLo=active if input is shorted
AU2 AU2 AUX IN 2 MODE N/A N/A Disabled See Auxiliary Input Modes table
A2A A2A AUX IN 2 STATE N/A N/A Closed oPn= active if input is an open / CLo=active if input is shorted
AU3 AU3 AUX IN 3 MODE N/A N/A Sys O See Auxiliary Input Modes table
A3A A3A AUX IN 3 STATE N/A N/A Closed oPn= active if input is an open / CLo=active if input is shorted
tS2 tS2 ROOM TEMP -50.0 F 90.0 F -50.0 F If AU IN (1, 2 and/or 3) MODE = (t2n) 2ND ROOM TEMP: This value becomes
the ROOM TEMP setpoint when the digital input is active
Unt Unt TEMP UNITS N/A N/A Fahrenheit Units for temperature’s display in F or C; FAH = Fahrenheit, CEL = Celsius
BASIC Setpoints Menu
Basic (Remote) Display KE2 Combo Display Min Max Default Description
Abbreviation Scrolling Text
tS tS ROOM TEMP -50.0 F 90.0 F 0.0 F Room Temp Setpoint - Walk-in freezer or cooler room temp to be maintained
rFG rF REFRIGERANT N/A N/A R-404A Type of refrigerant used: see table below
dtY dtY DEFROST TYPE N/A N/A Electric Type of Defrost for Evap: ELE for Electric/ Ai for o time/ HGn for hot gas w/
comp on/ HGF for hot gas w/comp o

© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Q.1.45 May 2019
Page 7
KE2 EvapOEM
Quick Start Guide
ADVANCED Setpoints Menu (continued)
Basic (Remote) Display KE2 Combo Display Min Max Default Description
Abbreviation Scrolling Text
EdF EdF EXTREME TEMP DIFF 0 F 99.9 F 20.0 F ADVANCED TOPIC: Call KE2 Therm for assistance
CLA CLA CLEAR ALARMS N/A N/A Press and hold to clear all active alarms
diA diA DIAGNOSTICS MODE N/A N/A Energizes each relay individually for 60 seconds: fan relay, defrost relay,
compressor relay
FAC FAC FACTORY RESET N/A N/A Press and hold to reset the controller to the factory default setpoints
PAS PAS WEB PASSWORD
RESET N/A N/A Press and hold to reset the web password to the factory default
SA SA SMART ACCESS N/A N/A Disabled Turn KE2 Smart Access on or o: EnA to enable smart access / diS to disable
KE2 Smart Access
dHC dHC DHCP N/A N/A Enabled Turn DHCP mode on or o: EnA to enable DHCP mode / diS to disable DHCP
mode
Not Available
on Basic Display
MOTOR TYPE Unipolar or Bipolar Unipolar Unipolar if unipolar stepper used, Bipolar if bipolar stepper used
MOTOR STEP RATE 30 400 40 Motor Step rate for custom valve. Not available on Basic Display
MAX VALVE STEPS 200 6400 500 Full stroke steps for custom valve. Not available on Basic Display
MAX OPERATING
PRES 10.0 psi 150.0 psi** 150.0 psi** **Max operating pressure. Max is 300 when R-410A selected and 500 when
R-744 selected
FAN SPEED -100.0% 100.0% 0.0% Fan speed %. Not available on Basic Display
MIN COMP RUN TIME 0 min 15 min 2 min Minimum Compressor Run Time. Not available on Basic Display
MIN COMP OFF TIME 0 min 15 min 5 min Minimum Compressor O Time. Not available on Basic Display
REFRIG FAN MODE
Manage, Permanent,
ON with Compressor,
Title 24
ON with
compressor
Managed = manage fans during refrig cycle; Permanent = fans ON perma-
nent during refrig cycle; On with Compressor = manage fans in OFF then
ON in refrig; Title 24 = cycle fans based on Title 24 regulations
1ST DEFROST DELAY 0 min 240 min 120 min First Defrost Delay. Not available on Basic Display
DEFROST FAN STATE ON or OFF OFF(E)/ON(A) OFF = fans o during defrost; ON = fans ON during defrost
FAN DELAY TEMP -40.0 F 35.0 F 20.0 F Fan delay temp. Not available on Basic Display
MAX FAN DELAY
TIME 0 min 20 min 2 min Max fan delay time. Not available on Basic Display
PUMP DOWN TIME 0 min 90 min 0 min Minimum amount of time between de-energizing the liquid line solenoid/
compressor relay and energizing the defrost relay.
MULTI AIR TEMP CTRL Warmest or Average Warmest Air Warmest air = use the warmest air temp from bonded controls; Average air
= use the average air temp from bonded controls
MULTI EVAP COOL Synchronized or
Independent Synchronized
Synchronized = synchronize bonded controller in refrigeration mode;
Independent = bonded controllers control temperature independently in
refrigeration mode.
MULTI EVAP DEFROST Synchronized or
Independent Synchronized Synchronized = synchronize bonded controller in defrost mode; Indepen-
dent = bonded controllers defrost independently
MULTI EVAP SENSOR Shared or Unshared Shared Shared = share sensor readings from bonded controllers; Unshared = use
local sensor readings only
SUCT PRES OFFSET -5.0 F 5.0 F 0.0 F An oset added or subtracted from the suction line pressure transducer
reading, if needed
SUCT TEMP OFFSET -5.0 F 5.0 F 0.0 F An oset added or subtracted from the suction temperature sensor reading,
if needed
COIL TEMP OFFSET -5.0 F 5.0 F 0.0 F An oset added or subtracted from the coil temperature sensor reading, if
needed
AIR TEMP OFFSET -5.0 F 5.0 F 0.0 F An oset added or subtracted from the room temperature sensor reading,
if needed
AUX 1 OFFSET -5.0 F 5.0 F 0.0 F When Aux1, Aux2, or Aux 3 are used as a temperature sensor, an oset is
added or subtracted from the reading.
AUX 2 OFFSET -5.0 F 5.0 F 0.0 F
AUX 3 OFFSET -5.0 F 5.0 F 0.0 F
PROPORTIONAL 0 255 3 A coecient to the valve control algorithm that increases valve responsive-
ness as the value increases
INTEGRAL 0 255 5 A coecient to the valve control algorithm that increases valve responsive-
ness as the value increases
DERIVATIVE 0 255 3 Should not be adjusted unless instructed by KE2 Therm
AIR TEMP DIFF 0.1 5.0 1.0 F The number of degrees above ROOM TEMP before the controller will go into
REFRIGERATION mode
DEFROST FAN STATE O O On Fan state during the defrost cycle
MULTI AIR TEMP
CTRL Average Warmest Warmest Select control method to use with multiple room temperature sensors
MULTI EVAP COOL Sync Indepen-
dent Sync Select type of multi evaporator control - options are synchronous or
independent
MULTI EVAP DE
FROST Sync Indepen-
dent Sync Select whether to have all bonded controllers initiate defrost mode at the
same time or independently.
MULTI EVAP SENSOR Shared Not Shared Not Shared Select whether or not to share room temperature, coil temperature and suc-
tion pressure sensor data with bonded controllers.

KE2 EvapOEM
Quick Start Guide
Q.1.45 May 2019
Page 8
© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
First Time Setup - Types of Control & KE2 Smart Access
Basic (Remote) Display KE2 Combo Display Description
Abbreviation Scrolling Text
Ed Ed ELECTRIC DEFROST /TEV Electric Defrost w/Mechanical valve
EdE EdE ELECTRIC DEFROST /EEV Electric Defrost w/Electric Valve
Ad Ad AIR DEFROST /TEV Air Defrost w/Mechanical Valve
AdE AdE AIR DEFROST /EEV Air Defrost w/Electric Valve
SA SA SMART ACCESS MODE KE2 SmartAccess (Enabled/Disabled)
Variables Menu
Basic (Remote) Display KE2 Combo Display Description
Abbreviation Scrolling Text
rtP rtP ROOM TEMP Room Temperature as measured by controller
CLt CLt COIL TEMP Coil Temperature as measured by controller
SYS SYS SYSTEM MODE Current operating status
SHt SHt SUPERHEAT Superheat as calculated by the controller
PrS PrS SUCTION PRESSURE Suction Pressure as measured by controller
SUt SUt T1 SUCTION TEMP Suction Temperature as measured by controller
SAt SAt SATURATION TEMP Saturation Temperature as calculated by controller
oPn oPn VALVE % OPEN Percentage EEV is open
Cor Cor COMPRESSOR RELAY Current status of LLS/compressor relay
dEr dEr DEFROST RELAY Current Status of Defrost relay
FAr FAr FAN RELAY Current Status of Fan relay
AU1 AU1 DIG 1 STATUS Current Status/Temperature as measured by controller at Aux input 1
AU2 AU2 DIG 2 STATUS Current Status/Temperature as measured by controller at Aux input 2
AU3 AU3 DIG 3 STATUS Current Status/Temperature as measured by controller at Aux input 3
iP1 iP1 IP OCTET 1 First 3 digits of IP address
iP2 iP2 IP OCTET 2 Second 3 digits of IP address
iP3 iP3 IP OCTET 3 Third 3 digits of IP address
iP4 iP4 IP OCTET 4 Fourth 3 digits of IP address
Fir Fir FIRMWARE VERSION Current Version of rmware on controller
System Modes
Basic (Remote) Display KE2 Combo Display
Abbreviation Scrolling Text
rEF rEF REFRIGERATE
ddF ddF DEFROST DELAY FAN
dEF dEF DEFROST
drn drn DRAIN TIME
FdL FdL FAN DELAY
SoF SoF SYSTEM OFF
oFF oFF OFF
Refrigerants
Abbreviation Full Name
R22 R-22
134 R-134a
42d R-422D
42A R-422A
40C R-407C
40A R-407A
507 R-507
404 R-404A
513 R-513A
450 R-450A
449 R-449A
448 R-448A
744 R-744
410 R-410A
407 R-407F
409 R-409A
408 R-408A
438 R-438A
717 R-717
452 R-452A
458 R-458A
Auxiliary Input Modes
Basic (Remote) Display KE2 Combo Display Description
Abbreviation Scrolling Text
diS diS DISABLED Not used
rtP rtP ROOM TEMP Room temp as measured by TAIR Input
CLt CLt COIL TEMP Coil Temp as measured by TCOIL Input
oni oni MONITOR Monitoring Temp as measured by Aux Input
t2n t2n 2ND ROOM TEMP Inactive=2nd room temp SP o (t2F)/Active=2nd room temp SP on (t2n)
dor dor DOOR SWITCH Inactive=Door Closed (dCL)/Active=Door Open (don)
EA1/EA2/
EA3
EA1 EA2
EA3
EXTERNAL ALARM 1
EXTERNAL ALARM 2
EXTERNAL ALARM 3
Active=EAo / Inactive=EAF
SoF SoF SYSTEM OFF Inactive=System On (Son)/Active=System O (SoF)
dFi dFi DEFROST INTERLOCK Inactive=Defrost Heaters normal (AUt)/Active=Defrost Heaters O (oFF)
dFL dFL DEFROST LOCKOUT Inactive=Defrost Normal (AUt)/Active=Defrost Not Allowed (dLo)
Valve Types
Basic (Remote) Display KE2 Combo Display Description
Abbreviation Scrolling Text
tHr tHr MECHANICAL Traditional Thermostatic Expansion Valve
HS HS HSV KE2 Therm’s Hybrid Stepper Valve
rS rS RSV KE2 Therm’s Refrigeration Stepper Valve
SEi SEi SEI Sporlan Valve with 1,600 steps
SEr SEr SER Sporlan Valve with 2,500 steps
CrL CrL CAREL Carel Valve with 500 steps

Q.1.45 May 2019
Page 9
© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
KE2 EvapOEM
Quick Start Guide
Alarm Status Menu
Basic (Remote) Display KE2 Combo Display Description
Abbreviation Scrolling Text
PSA PSA PRESSURE SENSOR Suction pressure sensor is shorted, open or pressure out of range
SSA SSA SUCTION TEMP SENSOR Suction temperature sensor is shorted or open
ASA ASA AIR TEMP SENSOR Return air temperature sensor is shorted or open
CSA CSA COIL TEMP SENSOR Coil temperature sensor is shorted or open
HSH HSH HIGH SUPERHEAT Superheat above upper limit
LSH LSH LOW SUPERHEAT Superheat below lower limit
HtA HtA HIGH AIR TEMP Room temperature is above ROOM TEMP + AIR TEMP DIFF + HIGH TEMP ALARM OFFSET for longer
than HIGH TEMP ALARM DELAY
LtA LtA LOW AIR TEMP Room temperature is below ROOM TEMP - LOW TEMP ALARM OFFSET for longer than LOW TEMP
ALARM DELAY
EdF EdF EXCESS DEFROST Excess Defrost Alarm - 32 defrosts or more within 48 hours
dtt dtt DEFR TERM ON TIME Defrost terminated on time instead of temperature for two consecutive cycles
dor dor DOOR SWITCH Door Open Alarm - If door is open and room temperature is 5 degrees above ROOM TEMP + AIR
TEMP DIFF for DOOR ALARM DELAY time
CoA CoA COMMUNICATION ERROR ONLY FOR BONDED CONTROLLERS: No communication between controllers for one minute or more
EA1 EA1 EXTERNAL ALARM 1 If AU1 IN MODE = EXT ALARM: The digital input is in an active state
EA2 EA2 EXTERNAL ALARM 2 If AU2 IN MODE = EXT ALARM: The digital input is in an active state
EA3 EA3 EXTERNAL ALARM 3 If AU3 IN MODE = EXT ALARM: The digital input is in an active state
EFL EFL EMAIL FAILURE Email alert was not conrmed by email server provided after seven consecutive attempts
A1A A1A AUX1 SENSOR AU1 temperature sensor is shorted or open
A2A a2a AUX2 SENSOR AU2 temperature sensor is shorted or open
A3A a3a AUX3 SENSOR AU3 temperature sensor is shorted or open
Pdt Pdt PUMP DOWN TIMEOUT Max time for LPCO pumpdown exceeded
SCC SCC SHORT COMP CYCLE Compressor is started an excessive number of times to maintain suction pressure
LPA LPA LOW PRESSURE Suction pressure dropped below expected point excessive number of times
PrF PrF N/A Basic Display is not communicating to the controller
Alphabetical List of Abbreviations
Abbreviation Full Name Type Description
A1A A1A Aux Input 1 state Setpoint oPn= active if input is an open / CLo=active if input is shorted
A1A a1a AU1 Temp sensor Alarm Alarms AU3 temperature sensor is shorted or open
A2A A2A Aux Input 2 state Setpoint oPn= active if input is an open / CLo=active if input is shorted
A2A a2a AU2 Temp sensor Alarm Alarms AU2 temperature sensor is shorted or open
A3A A3A Aux Input 3 state Setpoint oPn= active if input is an open / CLo=active if input is shorted
A3A a3a AU3 Temp sensor Alarm Alarms AU3 temperature sensor is shorted or open
Ad Ad Air Defrost w/Mechanical valve Type of Control System operates with default values for Air Defrost and Mechanical Valve
AdE AdE Air Defrost w/EEV Type of Control System operates with default values for Air Defrost and Electric Valve
Ai Ai Air Defrost (O time) Setpoint Option for evaporator Defrost Type (dtY) - Air O time Defrost is used; other options Electric (ELE), Hot
Gas w Compressor On (HGN),or Hot Gas with Compressor O
ASA ASA Air Sensor Alarm Alarms Return air temperature sensor is shorted or open
AU1 AU1 Aux Input 1 Variables Current status/temperature as measured by controller at Aux1 input
AU1 AU1 Aux Input 1 mode Setpoint Options for conguring the Auxiliary Input, see Auxiliary Input Modes table
AU2 AU2 Aux Input 2 Variables Current Status/Temperature as measured by controller at Aux2 input
AU2 AU2 Aux Input 2 mode Setpoint Options for conguring the Auxiliary Input, see Auxiliary Input Modes table
AU3 AU3 Aux Input 3 Variables Current Status/Temperature as measured by controller at Aux3 input
AU3 AU3 Aux Input 3 mode Setpoint Options for conguring the Auxiliary Input, see Auxiliary Input Modes table
AUt AUt Defrost Interlock -Heaters Normal Auxiliary Input Inactive = defrost heaters normal
AUt AUt Defrost Lockout - Defrost Normal Auxiliary Input Inactive = defrost will occur by normal controller logic
CEL CEL Celsius Setpoint Option for the units for the temperature display in degrees - Celsius or Fahrenheit (FAH)
CLA CLA Clear Alarms Setpoint Press and hold to clear all active alarms
CLo CLo Closed Setpoint Option under Auxiliary Input State
CLt CLt Coil Temp Variables Coil temperature (TCoil Sensor) as measured by the controller
CLt CLt Coil Temp Auxiliary Input Coil Temp as measured by Aux input
CoA CoA Communication Alarm Alarms ONLY BONDED CONTROLLERS: No communication between controllers for one minute or more
Cor Cor Compressor Relay Variables Current state of liquid line solenoid/compressor relay
CrL CrL Carel Valve Type Carel valve with 500 steps
CSA CSA Coil Sensor Alarm Alarms Coil temperature sensor is shorted or open
CYC CyC Cycle Setpoint Option under Refrig Fan Type (rFt) to cycle (Managed) fans during refrig cycle
dAd dAd Door Open Alarm Delay Setpoint If AU IN (1, 2 and/or 3) MODE = dor The amount of time, in minutes, before an alarm condition is initi-
ated if door is open and room temperature is 5 degrees above ROOM TEMP + AIR TEMP DIFF

© Copyright 2019 KE2 Therm Solutions, Inc., Washington, Missouri 63090
Q.1.45 May 2019
Page 10
KE2 EvapOEM
Quick Start Guide
dCL dCL Door Switch - Door Closed Auxiliary Input Door switch indicates door is closed
ddF ddF Defrost Delay Fan System Mode At defrost, fans will continue running for several minutes, using stored cooling in the coil. Once the
coil reaches room temp, the fans will stop, and the heaters will turn on and begin the electric defrost.
dEF dEF Defr Parameter Setpoint if DEFROST MODE = DEMAND: Coecient to KE2 Defrost algorithm
dEF dEF Defrost System Mode Controller is performing a defrost cycle
dEr dEr Defrost Relay Variables Current state of the defrost relay
dFi dFi Defrost Interlock Switch Auxiliary Input Inactive=Defrost Heaters normal (AUT)/Active=Defrost Heaters O (OFF)
dFL dFL Defrost Lockout Switch Auxiliary Input Inactive=Defrost Normal (AUT)/Active=Defrost Not Allowed (dLO)
dHC dHC DHCP Setpoint Turn DHCP mode on or o: EnA to enable DHCP mode / DiS to disable DHCP mode
diA diA Diagnostics Mode Setpoint Energizes each relay individually for 60 seconds: fan relay, defrost relay, compressor relay
diS diS Disabled Auxiliary Input Input is not used by the controller
dLo dLo Defrost Lockout Auxiliary Input Active = Defrost not allowed while signal is active
dnd dnd Demand Defrost Setpoint
Option for Defrost Initiation Mode (ind) - when Demand Defrost (dnd) selected, system defrosts only
when dictated by decrease in evaporator eciency; other options: Scheduled (SCH) or Compressor
Run Time (rnt)
don don Door Switch - Door Open Auxiliary Input Door switch indicates door is open
dor dor Door Switch Auxiliary Input Inactive=Door Closed (dCL)/Active=Door Open (don)
dor dor Door Open Alarm Alarms If door is open & room temp is 5 degrees above ROOM TEMP + AIR TEMP DIFF for DOOR ALARM DELAY
time
dPd dPd Defrosts per day Setpoint If DEFROST MODE = SCH: The number of evenly spaced defrosts per day the controller will initiate.
drn drn Drain Time Setpoint Time to be in drain mode (drip time)
drn drn Drain System Mode Time after defrost to allow moisture to drain from coil
dtL dtL Max Defrost Time Setpoint If DEFROST MODE = SCH: The maximum amount of time the defrost relay will be energized. (Not avail-
able if DEFROST MODE = DEMAND)
dtP dtP Defr Term Temp Setpoint Temp the coil sensor(s) must exceed to terminate defrost. Controller’s defrost mode is complete at
this point
dtt dtt Defr Term on Time Alarm Alarms Defrost terminated on time instead of temperature for two consecutive cycles
dtY dtY Defrost Type Setpoint Type of Defrost: ELE - Electric; Ai - o time; HGn - hot gas w.comp on; HGF - hot gas w/comp o
EA1 EA1 External Alarm Switch Auxiliary Input Active=EAo / Inactive=EAF
EA1 EA1 External Alarm 1 Alarms If AU1 IN MODE = EXT ALARM: The digital input is in an active state
EA2 EA2 External Alarm 2 Alarms If AU2 IN MODE = EXT ALARM: The digital input is in an active state
EA3 EA3 External Alarm 3 Alarms If AU3 IN MODE = EXT ALARM: The digital input is in an active state
EAo EA3 External Alarm Switch Active Auxiliary Input External Alarm switch is receiving Active signal
EAF EA3 External Alarm Switch Inactive Auxiliary Input External Alarm switch is not receiving external signal
Ed Ed Electric Defrost w/Mech. valve Type of Control System operates with default values for Electric Defrost with Mechanical Valve
EdE EdE Electric Defrost w/EEV Type of Control System operates with default values for Electric Defrost with Electric Valve
EdF EdF Extreme Temp Di Setpoint ADVANCED TOPIC: Call KE2 Therm for assistance
EdF EdF Excess Defrost Alarm Alarms 32 defrosts or more within 48 hours
Edt Edt Valve Type Setpoint Type of valve used on the system: mechanical, pre-congured electric, custom EEV conguration
EFL EFL Email Failure Alarm Alarms Email alert was not conrmed by email server provided after seven consecutive attempts
ELE ELE Electric Defrost Setpoint Option for evaporator Defrost Type (dtY) - Electric defrost heaters used; other options, Hot Gas w
Compressor O (HGF), Hot Gas with Compressor On (HGn) or Air O time Defrost (Ai)
EnA EnA Enabled Setpoint Enabled - Option to allow connection with KE2 Smart Access
FAC FAC Factory reset Setpoint Press and hold to reset the controller to the factory default setpoints
FAH FAH Fahrenheit Setpoint Option for units for the temperature display, in degrees - Fahrenheit or Celsius (CEL)
FAr FAr Fan Relay Variables Current state of the fan relay
FdL FdL Fan Delay System Mode
Coming out of defrost, the LLS relay will be energized, and the coil will pulldown until it reaches 20ºF,
or 2 minutes, before the fans turn on. This allows any moisture on the coil to re-freeze, keeping it from
spraying and forming ice drops on the walk-in’s surfaces.
Fir Fir Firmware Version Variables Current version of the rmware on the controller
FoC FoC Fans on with Compressor Setpoint Option under Refrig Fan Type (rFt) to manage fans in OFF, then turn ON in refrigeration
HAd HAd High Temp Alarm Delay Setpoint Minutes the room temperature must remain above ROOM TEMP + HIGH TEMP ALARM OFFSET before
issuing a HIGH TEMP ALARM
HAo HAo High Temp Alarm Oset Setpoint The number of degrees above ROOM TEMP for a HIGH TEMP ALARM condition.
HGF H F Hot Gas Defrost w. Compressor
O Setpoint Option for evaporator Defrost Type (dtY) - Hot Gas defrost used with the Compressor O; other op-
tions Electric (ELE), Hot Gas w Compressor On (HGN), or Air O time Defrost (Ai)
HGn H n Hot Gas Defrost w. Compressor
On Setpoint Option for evaporator Defrost Type (dtY) - Hot Gas defrost used with the Compressor On; other op-
tions Electric (ELE), Hot Gas w Compressor O (HGF), or Air O time Defrost (Ai)
HS HS HSV Valve Type KE2 Therm’s HSV, Hybrid Stepper Valve
HSH HSH High Superheat Alarm Alarms Superheat above upper limit
HtA HtA High Temperature Alarm Alarms Room temperature is above ROOM TEMP + AIR TEMP DIFF + HIGH TEMP ALARM OFFSET for longer
than HIGH TEMP ALARM DELAY
Htn Htn Electric Defrost Mode Setpoint If DEFROST TYPE = ELE: Whether to leave the defrost relay energized during the defrost cycle or to
utilize advanced defrost algorithm.
ind ind Defrost Ini Mode Setpoint Mode to initiate a defrost: dnd=demand / SCH=Schedule / rnt=comp run time
iP1 iP1 IP Address Part 1 Variables The rst three digits of the IP address
iP2 iP2 IP Address Part 2 Variables The second three digits of the IP address
Alphabetical List of Abbreviations (continued)
Abbreviation Full Name Type Description