Danfoss EKC 202C-MS User Manual

RI8PN253 03-2012
084R8038
INSTRUCTIONS
EKC 202C-MS
NTC, Multi sensor
084R8038
Data communication LON RS 485 / MOD-bus:
Sensor type = NTC
( Menu = o06)
10 V < U < 256 V
t
amb
= 0 - +55°C
230 V a.c.
50/60 Hz
2.0 VA
CE (250 V a.c.) UL *** (240 V a.c.)
DO1. Refrigeration * 10 (6) A
10 A Resistive
5FLA, 30LRA
DO2. Defrost * 10 (6) A
10 A Resistive
5FLA, 30LRA
DO3. Fan * 6 (3) A
6 A Resistive
3FLA, 18LRA
131 VA Pilot duty
DO4. Alarm or light *
4 (1) A
Min. 100 mA**
4 A Resistive
131 VA Pilot duty
* DO1 and DO2 are 16 A relays. DO3 and DO4 are 8 A relays. Max. load must be kept.
** Gold plating ensures make function with small contact loads
*** UL-approval based on 30000 couplings
LON
MOD-bus

Danfoss EKC 202C-MS Specifications

General

Brand	Danfoss
Model	EKC 202C-MS
Category	Controller
Language	English

Summary

EKC 202C-MS Product Identification

Physical Dimensions and Connections

Shows physical layout, dimensions, and connection points for the controller.

Electrical Specifications and Relay Outputs

Details electrical input requirements and output relay contact ratings for various functions.

Data Communication Interfaces

Outlines supported data communication protocols including LON RS 485 and MOD-bus.

Sensor Compatibility and Resistance Values

NTC Sensor Wiring Configurations

Illustrates connection diagrams for NTC sensors, including specific types and maximum cable length.

NTC Sensor Resistance Table

Provides a comprehensive table of NTC sensor resistance values across various temperatures and types.

Compatible Sensor Manufacturers

Lists compatible sensor models and brands for use with the controller.

Controller Operation and Parameter Configuration

User Interface and Button Functions

Explains the controller's button operations, menu navigation, and LED indicators for status feedback.

Parameter Settings and Configuration

Details all configurable parameters, their codes, ranges, and factory default settings for system setup.

Start-up and Initial Settings

Guides users through the initial setup and startup procedure for the controller.

Advanced Configuration and Troubleshooting

Miscellaneous Settings and Functions

Covers various settings including signal delays, input functions, network configuration, and factory reset procedures.

Service Functions and Status Monitoring

Provides access to service parameters for monitoring sensor readings, relay status, and regulation references.

Error Codes and Status Indicators

Lists and explains fault, alarm, and status codes for diagnosing controller issues.