Specifications
128 RK0YG302 © Danfoss 05/2007
Menu survey
SW =1.3x
EKC 315A
Function
Para-
meter
Min. Max.
Factory
setting
Normal display
Shows the actual superheat/ valve's opening
degree/ temperature
Dene view in o17
-K
Temperature, superheating, or the temp. reference
is displayed if the bottom button is pressed briey.
Dene view in o17
-%
Reference
Set the requirede set point - -60°C 50°C 10
Dierential r01 0.1 K 20 K 2.0
Units (0=°C+bar /1=°F+psig)
r05 0 1 0
External contribution to the reference r06 -50 K 50 K 0
Correction of signal from S2 r09 -10.0 K 10.0 K 0.0
Correction of signal from S3 r10 -10.0 K 10.0 K 0.0
Start/stop of refrigeration r12 OFF On 1
Dene thermostat function
(0= no thermostat function, 1=On/o thermostat)
r14
010
Alarm
Upper deviation (above the temperature setting) A01 3.0 K 20 K 5.0
Lower deviation (below the temperature setting) A02 1 K 10 K 3.0
Alarm’s time delay A03 0 min.
90
min.
30
Regulating parameters
P: Amplication factor Kp n04 0.5 20 3.0
I: Integration time T n05 30 s 600 s 120
D: Dierentiation time Td (0 = o) n06 0 s 90 s 0
Max. value of superheat reference n09 2 K 50 K 6
Min. value of superheat reference n10 1 K 12 K 4
MOP (max = o) n11 0.0 bar 60 bar 60
Period time (only when AKV/A valve is used) n13 3 s 10 s 6
Stability factor for superheat control.
Changes should only be made by trained sta
n18
0105
Damping of amplication around reference value
Changes should only be made by trained sta
n19
0.2 1.0 0.3
Amplication factor for superheat
Changes should only be made by trained sta
n20 0.0 10.0 0.4
Denition of superheat control
1=MSS, 2=LOADAP
n21
121
Value of min. superheat reference for loads under
10%
n22 1 15 2
Standby temperature when valve closed (TQ valve
only)
Changes should only be made by trained sta
n26 0 K 20 K 0
Standby temperature when valve open (TQ valve
only)
Changes should only be made by trained sta
n27 -15 K 70 K 20
Max. opening degree
Changes should only be made by trained sta
n32 0 100 100
Min. opening degree
Changes should only be made by trained sta
n33 0 100 0
Miscellaneous
Controller’s address o03* 0 119 -
ON/OFF switch (service-pin message) o04* - - -
Dene valve and output signal:
0: O
1: TQ. AO: 0-20 mA
2: TQ. AO: 4-20 mA
3: AKV, AO: 0-20 m
4: AKV, AO: 4-20 mA
5: AKV, AO: EKC 347-SLAVE
6: ICM, AO: 0-20 mA/ICM OD%
7: ICM, AO: 4-20 mA/ICM OD%
o09 0 7 0
Dene input signal on the analoge input AIA:
0: no signal,
1: Temperature setpoint. 0-20 mA
2: Temperature setpoint. 4-20 mA
3: Displacement of superheat reference. 0-20 mA
4: Displacement of superheat reference. 4-20 mA
o10
040
Set supply voltage frequency o12 50 Hz 60 Hz 0
Select display for ”normal picture”
(Display the item indicated in parenthesis by
briey pressing the bottom button)
1: Superheat (Temperature)
2: Valve’s opening degree (Superheat)
3: Air temperature (Temperature reference)
o17
131
Manual control of outputs:
OFF: no manual control
1: Relay for solenoid valve: select ON
2: AKV/A output: select ON
3: Alarm relay activated (cut out)
o18
o 3 O
Working range for pressure transmitter – min.
value
o20 -1 bar 60 bar -1.0
Working range for pressure transmitter – max.
value
o21 -1 bar
60 bar 12
(Setting for the function o09, only AKV and TQ)
Set the temperature value or opening degree
where the output signal must be minimum (0 or
4 mA)
o27 -70°C 160°C -35
(Setting for the function o09, only AKV and TQ)
Set the temperature value or opening degree
where the output signal must be maximum (20
mA)
o28 -70°C 160°C 15
Refrigerant setting
1=R12. 2=R22. 3=R134a. 4=R502. 5=R717.
6=R13. 7=R13b1. 8=R23. 9=R500. 10=R503.
11=R114. 12=R142b. 13=User dened. 14=R32.
15=R227. 16=R401A. 17=R507. 18=R402A.
19=R404A. 20=R407C. 21=R407A. 22=R407B.
23=R410A. 24=R170. 25=R290. 26=R600.
27=R600a. 28=R744. 29=R1270.
o30 0 29 0
Service
TQ valve's actuator temperature u04 °C
Reference of the valve's actuator temperature u05 °C
Analog input AIA (18-19)
u06 mA
Analog output AO (2-5) u08 mA
Read status of input DI u10 on/o
Thermostat cut-in time u18 min.
Temperature at S2 sensor u20 °C
Superheat u21 K
Superheat reference u22 K
Read AKV valve’s opening degree u24 %
Read evaporating pressure u25 bar
Read evaporating temperature u26 °C
Temperature at S3 sensor u27 °C
Temperature reference u28 °C
Read signal at pressure transmitter input u29 mA
*) This setting will only be possible if a data communication module has been
installed in the controller.