background image

Manual 

 

 

EKC 315A Industrial Evaporator Controller 

 

© Danfoss USCO (HMR_MKS), 04-2008

 

 

USCO.PD.RD0.A1.22 /521U0092 

5

Operating the EKC 315A

To enter change mode
Press both buttons 
simultaneously

To raise the setpoint
Press the upper button

To lower the setpoint
Press the lower button

To save the change
Press both buttons 
simultaneously

To access parameter menu
Press the upper button for 5 
seconds, then
Use the upper and lower 
buttons to scroll through the 
parameter list

To enter change mode for a 
parameter you have scrolled to
Press the both buttons 
simultaneously

To increase the setting
Press the upper button

To decrease the setting
Press the lower button

To save the new setting and 
return to the parameter menu
Press both buttons 
simultaneously. You can then 
make other parameter changes 
or,
The EKC 315A will exit the 
parameter menu and return 
to its normal display when no 
buttons have been pressed for 
approximately 18-20 seconds. 

To reset to factory default values:
1) Remove the supply voltage to the EKC 315A
2) While pressing both buttons simultaneously, restore power.  Factory settings will have been restored

.

To view or change the thermostat setpoint:

To change a parameter setting:

Содержание EKC 315A

Страница 1: ...Manual REFRIGERATION AND AIR CONDITIONING Superheat controller EKC 315A...

Страница 2: ...ring 3 Operating principle 3 Operating the EKC 315A 4 5 Quick Setup Guide 6 Survey of functions settings and parameters 7 10 Service parameters for troubleshooting 11 Technical data 11 Wiring diagram...

Страница 3: ...ively small refrigerant charge the type ICM valve is recommended In systems with an AKV A valve the capacity can be distributed by using up to three valves in parallel When using more than one AKV A p...

Страница 4: ...r an error in regulation In this situation pushing the upper button for 1 second will cause the alarm or error code to be displayed When an alarm code is displayed by pushing the upper button the alar...

Страница 5: ...parameter you have scrolled to Press the both buttons simultaneously To increase the setting Press the upper button To decrease the setting Press the lower button To save the new setting and return to...

Страница 6: ...actuator s default settings input setting 2 Enter the pressure transmitters working range in parameters o20 min value and o21 max value Note These settings must be entered in gauge pressure and most t...

Страница 7: ...for example for loss due to a long sensor cable r09 18 F 10 K 18 F 10 K 0 F 0 K Offset of temperature sensor S3 signal To calibrate the sensor reading or to compensate for example for loss due to a lo...

Страница 8: ...half n19 0 2 1 0 0 3 Amplification factor for superheat only in 1 1 systems This setting determines the ICM or AKV valve s opening degree as a function of the change in evaporating pressure An increas...

Страница 9: ...fset At maximum AI the offset will be as set in parameter r06 o10 0 4 0 Frequency Must be set to the frequency of the 24 Vac power source o12 0 50 Hz 1 60 Hz 0 50 Hz Selection of normal display conten...

Страница 10: ...F 35 C Value of analog output at maximum current terminals 2 5 only applicable to AKV A or TQ Upper end of temperature or opening degree range that will yield a current output of 20 mA o28 94 F 70 C 3...

Страница 11: ...ctive complied and EMC demands re CE marking complied with LVD tested according to EN 60730 1 and EN 60730 2 9 EMC tested according to EN50081 1and EN 50082 2 Service Parameters for Troubleshooting vi...

Страница 12: ...tional power source needed Terminal pairs Description 17 18 Signal from TQ discontinued valve actuator See Appendix 1 for TQ wiring diagram 18 19 Optional current input from PLC or other source for of...

Страница 13: ...er than the integration time Tn parameter n05 time Tp Tn Tn is say 240 seconds 1 Increase Tn to 1 2 times Tp 2 Wait until the system is in balance again 3 If there is still oscillation reduce Kp initi...

Страница 14: ...o types of superheat regulation load defined control and adaptive control are shown below For industrial refrigeration applications load defined control should be tried first Load defined superheat Th...

Страница 15: ...Manual EKC 315A Industrial Evaporator Controller 15 USCO PD RD0 A1 22 521U0092 Danfoss USCO HMR_MKS 04 2008...

Страница 16: ...O PD RD0 A1 22 521U0092 Danfoss USCO HMR_MKS 04 2008 Danfoss Inc Refrigeration Air Conditioning Division 7941 Corporate Drive Baltimore MD 21236 Ph 410 931 8250 Fax 410 931 8256 E mail baltimore danfo...

Отзывы: