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Q.1.35 January 2016

Page 18

© Copyright 2016 KE2 Therm Solutions, Inc., Washington, Missouri 63090

Abbreviations - Alphabetical Listing

Abbreviation Name

Type

Description

Adr

Modbus Address

Setpoint

Controller’s address for communications

Air

Air Defrost 

Setpoint

Air Defrost option

ALSt

Alarm State

Variable

Pressing ENTER from ALSt will show alarm menu

AtSA

Air Sensor Alarm

Alarm

Displays when air sensor is shorted or open

AU1

Type of 1st Auxiliary input 

Setpoint

diS, SYOF, dOOr, t2nd, dFin, dFLo, indF, trdF, COiL, rtP

AU1A

Auxiliary Input 1 Alarm

Alarm

Displays if type of 1st Auxiliary input (AU1) is set to coil (COiL) or room temp (t2nd) and sensor is shorted or open

AU2

Type of 2nd Auxiliary input

Setpoint

diS, SYOF, dOOr, t2nd, dFin, dFLo, indF, trdF, COiL, rtP

AU2A

Auxiliary Input 2 Alarm

Alarm

Displays if type of 2nd Auxiliary input (AU2) is set to coil (COiL) or room temp (t2nd) and sensor is shorted or open

CEL

Celsius

Setpoint

Option for temperature units

CLAL

Clear Alarms

Setpoint

Clears all alarms

CLSA

Coil Sensor Alarm

Alarm

Displays when coil sensor is shorted or open

CLt

Coil Temp

Variable

Temperature of the coil

COiL

Coil

Setpoint

Choice for input type for 1st or 2nd Auxiliary input (AU1 or AU2)t - input is to be used as an additional Coil Temperature for 

defrost termination and fan delay termination

CPrL

Compressor Relay

Variable

Status of whether compressor relay is energized or de-energized

CSH 

Compressor Starts/Hour

Setpoint

Maximum number of compressor starts per hour

Ct1

Coil Temperature 1

Variable

Coil temperature if AU1 (1st Auxiliary input) is set to Ct1

Ct2

Coil Temperature 2

Variable

Coil temperature if AU2 (2nd Auxiliary input) is set to Ct2

CUSt

Custom 

Setpoint

Option under defrosts per day (dPd)

d1

Defrost #1

Setpoint

Start time of Defrost #1 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d2

Defrost #2

Setpoint

Start time of Defrost #2 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d3

Defrost #3

Setpoint

Start time of Defrost #3 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d4

Defrost #4

Setpoint

Start time of Defrost #4 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d5

Defrost #5

Setpoint

Start time of Defrost #5 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d6

Defrost #6

Setpoint

Start time of Defrost #6 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d7

Defrost #7

Setpoint

Start time of Defrost #7 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d8

Defrost #8

Setpoint

Start time of Defrost #8 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d9

Defrost #9

Setpoint

Start time of Defrost #9 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d10

Defrost #10

Setpoint

Start time of Defrost #10 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d11

Defrost #11

Setpoint

Start time of Defrost #11 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

d12

Defrost #12

Setpoint

Start time of Defrost #12 when in defrosts per day (dPd) is custom (CUSt); based on 24-hour clock

dAUt

Defrost Auto

Variable

Defrost is in Automatic mode, i.e. normal operation

dEFr

Defrost

System State

Displays when system is in defrost mode

dEnd

Demand Defrost

Setpoint

Choice for Defrost Initiation Mode (dFit)

dFin

Defrost Interlock

Setpoint

Choice for input type for 1st or 2nd Auxiliary input (AU1 or AU2) - digital input that immediately turns off defrost heaters

dFit

Defrost Inititation Mode

Setpoint

Selects  defrost mode - Demand Defrost (DEnd) or Schedule (ScHd)

dFLo

Defrost Lockout 

Setpoint

Choice for input type for 1st or 2nd Auxiliary input (AU1 or AU2) - digital input that prevents controller from going into 

defrost mode

dFt 

Defrost Time

Setpoint

Maximum time system is allowed in defrost

dFrL

Defrost Relay

Variable

Status of whether defrost relay is energized or de-energized

diF 

Differential

Setpoint

Number of degrees air temp must be above room temp setpoint (tS) to return system to refrigeration mode

din1

Digital Input 1

Variable

1st Auxiliary input (AU1) is configured as one of the digital input options

din2

Digital Input 2

Variable

2nd Auxiliary input (AU2) is configured as one of the digital input options

diOn

Defrost Inertock On

Variable

In variables menu, display when 1st or 2nd Auxiliary input (AU1 or AU2) set to dFin (Defrost Interlock) and is active

diOF

Defrost Interlock Off

Variable

In variables menu, display when 1st or 2nd Auxiliary input (AU1 or AU2) set to dFin (Defrost Interlock) and is inactive

diS

Disabled

Setpoint

Choice for input type for 1st or 2nd Auxiliary input (AU1 or AU2)- input is not in use

Variables Menu 

Non Adjustable (view only)

Parameter Name Status Displayed on Controller

rtP

Room temperature

Clt 

Coil temperature

Only visible if 

AU

1

 is used

rt1 

or

 

Ct1 or

 

tp1 

or

 din1

rt1

 = room temperature is displayed ; 

Ct1 

= coil temperature is displayed;

 tp1

 = monitor temperature only;

din1

 = digital input 1(depending on the use of the digital input will display: 

SyOn

 (system on), 

SyOF

 (system off), 

drOn

 (door open), 

drCL

 (door closed), 

diOn

 (defrost interlock on), 

diOF

 (defrost interlock off), 

dLOC

 (defrost lockout), 

dAUt 

(defrost auto), 

inid

 (initiate 

defrost), 

tErd 

(terminate defrost), 

t2OF 

(use main air setpoint), 

t2On

 (use second air setpoint)

Only visible if 

AU

2

 is used

rt2 

or

 

Ct2 or

 

tp2 

or 

din2

rt2

 = room temperature is displayed ; 

Ct2 

= coil temperature is displayed; 

tp2

 = monitor temperature only;

din2

 = digital input 2(depending on the use of the digital input will display: 

SyOn

 (system on), 

SyOF

 (system off), 

drOn

 (door open), 

drCL

 (door closed), 

diOn

 (defrost interlock on), 

diOF

 (defrost interlock off), 

dLOC

 (defrost lockout), 

dAUt 

(defrost auto), 

inid

 (initiate 

defrost), 

tErd 

(terminate defrost), 

t2OF

 (use main air setpoint), 

t2On

 (use second air setpoint)

SySt

System state - 

dEFr

 (defrost), 

drAn

 (drain), 

FndL

 (fan delay), 

rEFr

 (refrigerate), 

OFF

 (system off)

CPrl 

Compressor relay

dFrl

Defrost relay

Fnrl

Fan relay

ALSt

Alarm state: 

noAL 

(no alarm), 

AtSA

 (air sensor),

 CLSA

 (coil sensor),

 AU1A

 (aux input 1 alarm), 

AU2A

 (aux input 2 alarm),

 HtA 

(high 

temp alarm), 

LtA 

(low temp alarm), 

dOOr 

(door open), 

dtta

 (defrost term on time), 

ECdF

 (excessive defrost), 

PF

 (power failure)

KE2 Adaptive

Control

Quick Start Guide

Summary of Contents for AdaptiveControl

Page 1: ...rovided Conduit to go between the controller and the evaporator 2 Conduit connectors straight or elbow as required 8 High voltage wires matched to the load of the heaters fans liquid line solenoid and...

Page 2: ...Vapor Mix Restrictor TEV or EEV Warm Liquid ColdVapor HotVapor Warm Air Cold Air Evaporator Compressor Condenser SaturationTemp F from receiver pressure LiquidTemp atValve F Subcooling Suction Pressu...

Page 3: ...lect two places that are the last to defrost preferably at each end of the evaporator More often than not on coils the location of the sensor is a short distance from the end approximately 1 to 1 1 2...

Page 4: ...e Control Cutalengthofconduittogofromthecontrollertotheevaporator Measure the distance between the controller and evaporator to account for the extra length necessary to properly route conduit Determi...

Page 5: ...end of the conduit to the controller 5 5 115V 208 240V Wiring the controller Locate the Voltage Selector Switch It is a 2 position switch with red indicator The selected voltage will be displayed on...

Page 6: ...lug the connectors to the COM and NO positions of the Liquid Line Solenoid Compressor Relay Liquid Line Solenoid LLS Comp Relay Using KE2 Wire Harness The yellow wires are used for Liquid Line Solenoi...

Page 7: ...he controller to the plastic posts Connecting sensor wires to controller The temperature sensors are designed to be attached to the con troller using 2 position screw terminals The terminals are locat...

Page 8: ...controller 15 Evaporator wiring Fans Strip the ends of the wires con nected to the KE2 Adaptive Control used to control the evapo rator fans The fan wires from the controller can be attached to the te...

Page 9: ...ect L2 Neutral to the remain ing defrost leads The defrost safety should not be re moved from the circuit Its purpose is to prevent the heaters from over heating and causing damage 18 Copyright 2016 K...

Page 10: ...ary 2016 Page 10 Copyright 2016 KE2 Therm Solutions Inc Washington Missouri 63090 Figure 8 Wiring Schematic Ladder Diagram Figure 8 Wiring Schematic Using KE2Terminal Board KE2 AdaptiveControl Quick S...

Page 11: ...ew included The end with multiple loops is designed to hold the sensor Locate the best place to install the sensor The sensor should be located between 6 and 12 inches away from the face of the evapor...

Page 12: ...erference being introduced into the sensor wires Interference can be introduced when sensor wires are located near high voltage lines High voltage is defined by Underwriter s Laboratories as above 30V...

Page 13: ...venient loca tion where it can be easily located for future service 27 Setting the dip switch to activate on board buzzer To disable the audible alarm buzzer feature of the KE2 Adaptive Control the di...

Page 14: ...d dFt diF OFFt Runt FrEF AU1 StA1 AU2 StA2 tS2 tOd d1 d2 d3 d4 d5 d6 d7 d8 d9 d10 d11 d12 dtSP drnt fdSP Fndt FndF Pdt HAO LAO tAd Adr Unt CLAL Schedule Defrost w Custom Defrost Per Day tS dtyP dFit d...

Page 15: ...0V 208 240V StorageTemp 40 to 120 F 40 to 49 C OperatingTemp 40 to 120 F 40 to 49 C Display 4 digit 7 segment LED IP Rating IP65 Inputs 4 3 colored 15 temp sensors KE2 SKU 21151 2 dual purpose tempera...

Page 16: ...ive cycles ECdF Excessive Defrost Controller has performed 11 consecutive defrost cycles without terminating on temperature PF Power Failure Indicates power has been off and just turned on only when d...

Page 17: ...00 diS 23 59 diS d2 Start time of Defrost 2 0 00 diS 23 59 diS d3 Start time of Defrost 3 0 00 diS 23 59 diS d4 Start time of Defrost 4 0 00 diS 23 59 diS d5 Start time of Defrost 5 0 00 diS 23 59 diS...

Page 18: ...lock d12 Defrost 12 Setpoint Start time of Defrost 12 when in defrosts per day dPd is custom CUSt based on 24 hour clock dAUt Defrost Auto Variable Defrost is in Automatic mode i e normal operation dE...

Page 19: ...arm Offset LAO for the amount of time in theTempera ture Alarm Delay tAd NOAL No Alarm Alarm System is clear of alarms OFF System Off System State The system is currently not running OFFt Minimum Comp...

Page 20: ...ay then press Use the up arrow and down ar row to set the time STEP 7 Press the button to save settings and return to the main screen room temp will be displayed Custom Defrost Setup The following ste...

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