Electronic superheat controller - Modbus version
Type EKD 316C (Colibri®)
08
4R
80
47
08
4R
80
47
DKRCC.PI.RR0.A3.02
© Danfoss A/S (AC-MCI / sw), 2016-12
Installation guide
ENGINEERING
TOMO R ROW
Danfoss
R64-3002.11
Danfoss
R64-3002.1
ETS Colibri
®
English
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.
Supply voltage
24 V AC / DC ±15%, 50/60 Hz, 22 VA / 15 Watt
(the supply voltage is not galvanically
separated from the input and output signals)
Power consumption
Controller
ETS C / KVS C
ETS, KVS, CCM, CCMT
5 VA
7.2 VA
1.3 VA
Input signal
*)Ri: mA: 400 Ohm
V: 50 kOhm
Current signal *
4 - 20 mA or 0 - 20 mA
Voltage signal *
0 - 10 V or 1 - 5 V
Pressure transmitter
e.g. AKS 32R
0.5 - 4.5V DC ratiometric type
(10% - 90% of supply voltage)
Digital input from external contact function
Sensor input
2 pcs. Pt 1000 ohm
DI : < 800 Ohm
=
ON
DI : > 30 kOhm
= OFF
Alarm relay
1 pcs. SPDT
Max 24V, 1A resistive - Class II
Step motor output
Pulsating 30 - 300 mA
Data communication RS 485 Modbus data communication
Environments
Operations
0 – 55 °C / 32 – 131 °F
Transportation
-40 – 70 °C / -40 – 158 °F
Humidity 20 - 80 % Rh, none condensing
No shock influence/vibrations
Enclosure
IP 20
Compatible valves
Bipolar stepper motor valves
Standalone controller
Danf
oss
R64-3011.10
D
anf
oss
R6
4-
30
11
.1
0
Danfos
s
84B2707.10
OD
I/V
I/V
Valve driver
Danf
oss
84B3177.10
ETS Colibri
®
