Specifications

RK0YG302 © Danfoss 04/2007 31
Menu survey
SW = 1.1x
*) This setting will only be possible if a data communication module has been
installed in the controller.
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
Data
Ordering
Type Function Ordering
EKC 319A Temperature controller 084B7251
EKA 175
Data communication module
(accessories), (RS 485 modul)
084B7093
Supply voltage
24 V a.c. +/-15% 50/60 Hz, 60 VA
(the supply voltage is galvanically separated from
the input and output signals. Input/output are
not individual galvanic isolated)
Power consumption
Controller
20 W coil for AKV/A
Coil for EVRP
5 VA
55 VA
40 VA
Input signal
Temperature sensor Pt 1000 ohm/0°C
Contact function start/stop of regulation
Alarm relay SPST
AC-1: 4 A (ohmic)
AC-15: 3 A (inductive)
Valve connection
AKV, AKVA or EVRP via 24 a.c. Pulse-Width
Modulating output
Data communication Possible to connect a data communication
module
Environments
0 - 55°C, during operation
-40 - 70°C, during transport
20 - 80% Rh, not condensed
No shock inuence/vibrations
Enclosure IP 20
Weight 300 g
Montage DIN Rail
Display LED, 3-digits
Terminals max. 2.5 mm
2
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
Additional information!
Manual: RS8EB
EKC 319A
The installation of data communications must comply with the require-
ments described in literature sheet no. RC8AC
Function Para-
meter
Min. Max. Fac.
setting
Normal display
Read the measured discharge gas temperature - °C
If you wish to see the actual opening degree,
give the lower button a brief push
-%
If you wish to set the temperature reference
you obtain access by pushing both buttons
simultaneously
- -70°C 160°C 125
Display/Control
Select unit (0=°C, 1=°F)
r05 0 1 0
Start/stop of regulation r12 OFF ON/on on
Alarm
Alarm limit A16 -50°C 150°C 135
Time delay for alarm A17 0 s 999 s 0
Function of the alarm relay when the tempera-
ture exceed the alarm limit
0: Alarm relay active
1: Alarm relay not active
A19
011
Regulating parameters
Proportionale factor Kp n04 0,5 30 15
I: Integration time Tn n05 60 s
600
s/O
120
Periode time n13 3 s 10 s 3
Miscellaneous
Controller's address o03* 0 119 -
ON/OFF switch (service-pin message) o04* OFF ON -
Set supply voltage frequency o12
0/50
Hz
1/60
Hz
50
Select the showing of the "normal display":
0: Discharge gas temperature is shown
1:
Valve’s opening degree is shown
o17
010
Manual control of outputs:
OFF: No manual control
1: Valve
output put in pos. ON
2: Alarm relay activated (cut out)
o18
OFF 2 o
Service
Read discharge gas temperature u01 °C
Read temperature reference u02 °C
Read status of input DI u10
Read valve’s opening degree u24 %