Specifications

88 RK0YG302 © Danfoss 05/2007
EKC 368
Function Para-
meter
Min. Max.
Fac.
set-
ting
Normal display
Shows the temperature at the room sensor - °C
Give the lower button a brief push to see the
temperature at the defrost sensor
-
°C
Reference
Set the required room temperature - -70°C 160°C 10
Temperature unit r05 °C °F °C
External contribution to the reference r06 -50 K 50 K 0
Correction of the signal from Sair r09 -10.0 K 10,0 K 0
Correction of the signal from Sdef r11 -10.0 K 10,0 K 0
Start/stop of refrigeration r12 OFF On On
Alarm
Upper deviation (above the temperature setting) A01 0 50 K 5
Lower deviation (below the temperature setting) A02 0 50 K 5
Alarm’s time delay A03 0 180 min 30
Monitoring of battery A34 O On O
Defrost
Defrost method (ELECTRICITY/GAS) d01 O GAS O
Defrost stop temperature d02 0 25°C 6
Max. defrost duration d04 0 180 min 45
Drip-o time d06 0 20 min 0
Delay for fan start or defrost d07 0 20 min 0
Fan start temperature d08 -15°C 0°C -5
Fan cut in during defrost (yes/no) d09 no yes no
Delay for temperature alarm after defrost d11 0 199 min 90
Regulating parameters
Actuator type: 1=KVS15-22, 2=KVS28-35,
3=KVS42-54 4=User dened via AKM/For Danfoss
only
Setting of menu only when r12 = o.
n03 1 4
1
P: Amplication factor Kp n04 1 50 4
I: Integration time Tn (600 = o) n05 60 s 600 s 120
D: Dierentiation time Td (0 = o) n06 0 s 60 s 0
Transient phenomenon
0: Fast cooling
1: Cooling with less underswing
2: Cooling where underswing is unwanted
n07 0 2
1
Start-up time after hotgas defrost n08 0 min 20 min 1
Miscellaneous
Controller’s address o03* 1 60 0
ON/OFF switch (service-pin message) o04* - - O
Dene input signal of analog input
0: no signal
1: 0 - 10 V
2: 2 - 10 V
o10
02 0
Set supply voltage frequency o12 50 Hz 60 Hz 50
Service
Read temperature at the Sair sensor u01 °C
Read regulation reference u02 °C
Read value of external voltagt signal u07 V
Read temperature at the Sdef sensor u09 °C
Read status of input DI u10
on/o
Read duration of defrost u11 m
Opening degree of the valve u23 %
*) This setting will only be possible if a data communication module has been
installed in the controller.
Menu survey
Factory setting
If you need to return to the factory-set values, it can be done in this way:
- Cut out the supply voltage to the controller
- Keep both buttons depressed at the same time as you reconnect the supply voltage
SW =1.6x
Data
Supply voltage
24 V a.c. +/-15% 50/60 Hz, 10 VA
(the supply voltage is galvanically separated
from the input and output signals)
Power consumption
Controller
KVS-step motor
5 VA
1.3 VA
Input signal
Voltage signal 0-10 V or 2-10 V
Digital input from external contact function
Short-circuit (pulse signal) of 18-20 will start a
defrost
Sensor input 2 pcs. Pt 1000 ohm
Relay output 3 pcs. SPST
a.c.-1: 4 A (ohmic)
a.c.-15: 3 A (inductive)
Alarm relay 1 pcs. SPST
Step motor output Pulsating 100 mA
Data communication
Possible to connect a data communication
module
Ambient
temperature
During operation
During transport
-10 - 55°C
-40 - 70°C
Enclosure IP 20
Weight 300 g
Mounting DIN rail
Display LED, 3-digits
Terminals max. 2.5 mm2 multicore
Approvals
EU Low Voltage Directive and EMC demands re
CE-marking complied with.
LVD-tested acc. to EN 60730-1 and EN 60730-2-9
EMC-tested acc. to EN50081-1 and EN 50082-2
If battery backup is used:
Requirements to battery: 18 V d.c. min. 100 mAh