KE2 Therm Solutions KE2-EM35, Overview, Installation, And Setup Instructions

Q.5.62  February 2021

Page 25

© Copyright 2021 KE2 Therm Solutions, Inc., Washington, Missouri 63090

KE2 EdgeManager

 (KE2-EM35)

Overview, Installation, and Setup Instructions

Appendix A

Serial (Modbus) Configuration - 

First Installation of Serial (Modbus) Devices on KE2-EM35

RECOMMENDATIONS:

   Daisy chain the connection only.

   Maximum 1,000ft. total cable length.

   CAT-5/CAT-6 are the most cost effective solutions that meet 

Serial (Modbus) specifications. Use 24 gauge or better.

STEP 1- Daisy chain connections on controllers 

(See Appendix B).

STEP 2 - Finish wiring controllers to pluggable connector. 

Do not plug into KE2-EM35 or power on KE2-EM35

STEP 3 - Power on controllers.

STEP 4  - 

KE2 Adaptive Control & KE2 Low Temp

Change Serial (Modbus) address on each controller

 Each controller’s Serial (Modbus) address must be 

unique. Available addresses are 2-247.

 Press and hold the 

 button to access the Advanced 

menu. 
   t5 is displayed

5

t

 Then, use the 

arrow until you see Adr (Address)

r

d

A

 Press 

 and current address is displayed (default =1)

1

 Change the address

by pressing the 

or 

arrow to 

change the value. Use the 

 button to move to the next 

digit. Again change the value using the 

or 

arrow. Avail-

able addresses are 2 to 247.

 When address is set to the preferred value (Ex. 24), press and 

hold 

for 3 seconds to save the address.

4

2

Example

   The controller will return to the Adr screen when the setting 

is saved.

r

d

A

   The setting change can be verified by pressing the 

button.
   To exit, press the 

 button several times.

STEP 4  - 

KE2 Temp

Change Serial (Modbus) address on each controller

Each controller’s Serial (Modbus) address must be unique.  

Available addresses are 2 to 247.

 Press and hold 

 to access the Setpoints menu.

 t5 is displayed

5

t

 Then, use the

arrow until you see Adr (Address)

r

d

A

 Press  

 and the current address is displayed (default =1)

 Change the address

by pressing the

or 

arrow to 

change the value. Use the 

 button to move to the next 

digit. Available addresses are 2 to 247.

 When address is set to the preferred value (ex. 123), press and 

hold 

for 3 seconds to save the address.

3

2

1

Example

 The controller will return to the Adr screen when the setting 

is saved.

r

d

A

   The setting change can be verified by pressing the 

button.
   To exit, press the 

 button several times.

WAN

LAN

A

B

Sh

Serial ModBus Controllers:

KE2 Temp +Air Defrost

KE2 Temp + Valve Control

KE2 Low Temp

KE2 Adaptive Control