Danfoss EKE 1A User Manual page 8

Superheat controller, Type EKE 1A, 1B, 1C, 1D
Figure 3: EKE 1A connection overview
Pressure Transmitter
Ratiometric 0.5 – 4.5 V
AKS cable
connection
060G1034
1
3
2
e.g. AKS 32R
Power supply
24 V AC 24 V DC
± 20% ± 20%
–
+
(optional)
Table 6: EKE 1A pinout
COM
DI3
AI2
AI3
AI4
COM
DI1
DI2/3
5V+
COM
 NOTE:
• If Dl1(On/Off) 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
Master controller Optional
CAN RJ
C
*Note; IF Dl1(ON/Off)
switch is not used it
must be turned off in
Dl1 parameter
configuration
CAN RJ CAN RJ
CAN RJ CAN RJ CAN RJ
Superheat controller
EKE 1A - 080G5300
+
18 V
Relay
Normally open or
2.5 A
Batt
normally closed
backup
T fu se
(optional)
(optional)
ETS 5M
ON/OFF
Alarm
solenoid
valve
ETS 6 valve
ETS / KVS
Colibri ®
CCMT / CTR valve
Common
Digital input 3
Analog input NTC 10K
Analog inputs 0 – 5 V / Ratiometric pressure transmitter
analog inputs 0 – 10 V
Common
Digital input 1
Digital input 2 and 3
Power output for Ratiometric pressure transmitter 0 – 5V
Common
MMIGRS2 Display
080G0294 (optional)
MMIMYK
Gateway
KoolProg PC tool
C1 NC1
Power
C1 NO1
Power
Software configurable DI
S2
Pe
External Reference signal
Main switch (hardware)
Software configurable DI
BC398828796060en-000101 | 8