Danfoss EKD 316C Colibri Installation Manual

Installation guide
Electronic superheat controller - Modbus version
Type EKD 316C (Colibri®)
Introduction
EKD 316 is a superheat controller that can be used where there are requirements for accurate control of superheat.
Typically it will operate in Commercial air conditioning, heat pumps, commercial refrigeration, food retail and
industrial application. Compatible valve - Danfoss ETS / ETS C, KVS / KVS C and CCM / CCMT valves.
24 V AC / DC ±15%, 50/60 Hz, 22 VA / 15 Watt
Supply voltage (the supply voltage is not galvanically
separated from the input and output signals)
Controller
Power consumption ETS C / KVS C
ETS, KVS, CCM, CCMT
Current signal *
Voltage signal *
Input signal
*)Ri: mA: 400 Ohm
Pressure transmitter
e.g. AKS 32R
V: 50 kOhm
Digital input from external contact function
Sensor input 2 pcs. Pt 1000 ohm
Alarm relay 1 pcs. SPDT
Step motor output Pulsating 30 - 300 mA
Data communication RS 485 Modbus data communication
Operations
Transportation
Environments
Humidity 20 - 80 % Rh, none condensing
No shock influence/vibrations
Enclosure IP 20
Compatible valves Bipolar stepper motor valves
Standalone controller
Valve driver
DKRCC.PI.RR0.A3.02
5 VA
7.2 VA
1.3 VA
4 - 20 mA or 0 - 20 mA
0 - 10 V or 1 - 5 V
0.5 - 4.5V DC ratiometric type
(10% - 90% of supply voltage)
DI : < 800 Ohm = ON
DI : > 30 kOhm = OFF
Max 24V, 1A resistive - Class II
0 – 55 °C / 32 – 131 °F
-40 – 70 °C / -40 – 158 °F
ETS Colib ri®
ETS Colib ri®
ENGINEERING
T O M O R R O W
Danfoss Danfoss
R64-3002.1 R64-3002.11
OD
I/V
I/V
© Danfoss A/S (AC-MCI / sw), 2016-12
English