Danfoss EKE 1A User Manual page 14

Superheat controller and stepper valve driver, Type EKE 1A, 1B, 1C, 1D
Table 13: Recommended wire size and cable distance between EKE controller and stepper motor valve
Cable length
Wire diameter
3.5 Connecting Relay Outputs
EKE1 series has 1 relay output
• Type SPDT relay. Digital Output can be used to connect either a solenoid valve or an alarm
Figure 9: SPDT relay
Power
Power
Relay
Normally open or
normally closed
(optional)
Alarm
ON/OFF
solenoid
valve
 NOTE:
The relays cannot be used for the direct connection of loads such as LEDs and ON/OFF control of EC motors. All
loads with a switch-mode power supply must be connected to a suitable contactor or similar
3.6 Temperature Sensor Mounting
Figure 10: Temperature sensor mounting
Evaporator
Figure 11: Temperature sensor mounting
1
conductive evaporator
paste outlet
© Danfoss | Climate Solutions | 2024.08
1 m – 15 m
2
0.52 / 0.33 mm
C1 NO1
Danfoss
84N403.10
Close to the
Close to evaporator
evaporat or
2 3
(20 / 22 AWG)
1 / - 5 / in.
OD 2 8
12 - 16 mm
3 / - 7 / in.
4 8
OD
18 - 22 mm
3
1 - 1 / in.
OD 8
25 - 35 mm
3
1 / in. and higher
8
OD
35 mm and higher
15 m – 30 m
2
0.33 mm (20 AWG)
BC398828796060en-000103 | 14