Danfoss EKC 223 User Manual page 17

Case controller, type EKC 223 and EKC 224
Figure 17: Modbus operation
Tx (Transmit)
Green
Yellow
Rx (Receive)
 IMPORTANT:
It is important that the installation of the data communication cable is performed correctly with sufficient distance
to high voltage cables.
Integration into network
The "o03 network address" must be set up in the controller. The network must be set in the range 1 – 120 for
integration with a Danfoss front end.
Master control via network
The system manager can perform various control via the network. For the EKC controllers the system manager can
via internal schedules control the day/night status, light status and defrost, including coordinated defrost among
multiple controllers:
Table 6: Override functions
Function via data communication
Start of defrosting
Coordinated defrost
Night setback
Light control
© Danfoss | Climate Solutions | 2023.05
Functions to be used in the gateway's override
function
Defrost control
Time schedule
Defrost control
Day/night control
Time schedule
Day/night control
Time schedule
Used parameter in AK-CC 210B
- - - Def.start
- - - HoldAfterDef
u60 Def.relay
- - - Night setbck
o39 Light Remote
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