Danfoss EKE 1A User Manual

Figure 4: EKE 1B connection overview
Danfoss 80G318.10
COM 5V+ DI2 DI1 COM AI4 AI3 AI2 DI3 COM
L H GND
CAN RJ
–/~ +/~ GND Bat+ A1 A2 B1 B2 NO1 C1 NC1
COM 5V+ DI2 DI1 COM AI4 AI3 AI2 AI1 COM
CAN RJ
–/~ +/~
GND Bat+ A1 A2 B1 B2
NO1 C1 NC1
–
+
+
18 V
1
2
3
COM 5V+ DI2 DI1 COM AI4 AI3 AI2 DI3 COM
L H GND
CAN RJ
–/~ +/~ GND Bat+ A1 A2 B1 B2 NO1 C1 NC1
COM 5V+ DI2 DI1 COM AI4 AI3 AI2 AI1 COM
CAN RJ
–/~ +/~ GND Bat+ A1 A2 B1 B2 NO1 C1 NC1
C1
NC1
Power
C1
NO1
Power
Superheat controller
EKE 1D - 080G5360
Master controller
Pressure transmitter
e.g. AKS 32R
Power supply
24 V AC
± 20%
24 V DC
± 20%
2.5 A
T fuse
(optional)
Batt
backup
(optional)
ON/OFF
solenoid
valve
Alarm
Relay
Normally open or
normally closed
(optional)
AKS Cable
connection
060G1034
* Note: If Dl1(On/Off) switch is not
used it must be short circuited
RS485 MODBus
RS485 RTU MODBus
Supervisor
network
EKE
MMIGRS2 Display
MMIMYK
Gateway
KoolProg
PC tool
080G0294
(optional)
CANBus
0
80G0075 (opt.)
DI2
DI1 (ON/OFF)*
COM
AI4 (0 / 10 V)
NTC (S2)
NTC (S3/S4)
Optional
CAN RJ
orange
yellow
red
black
brown
black
orange
yellow
white
black
red
green
ETS 6 valve
ETS 5M
ETS / KVS
Colibri ®
CCMT / CTR valve
Table 7: EKE 1B pinout
COM
Common
AI
Analog inputs NTC 10K
S3/S4 selectable via software
AI2
Analog input NTC 10K
S2
AI3
Analog inputs 0 – 5 V / Ratiometric pressure transmitter
Pe
AI4
analog inputs 0 – 10 V
External Reference signal
COM
Common
DI1
Digital input 1
Main switch (hardware)
DI2/3
Digital input 2 and 3
Software congurable DI
5V+
Power output for Ratiometric pressure transmitter 0 – 5V
COM
Common
 NOTE:
• If Dl1(On/O) switch is not used it must be short circuited
• EKE 2U Backup power module is recommended to use to ensure closure of the electronic valves. in case of power
failures
© Danfoss | Climate Solutions | 2022.06 BC398828796060en-000101 | 9
Superheat controller, Type EKE 1A, 1B, 1C, 1D

Danfoss EKE 1A Specifications

General

Brand	Danfoss
Model	EKE 1A
Category	Controller
Language	English