Specifications

46 RK0YG302 © Danfoss 05/2007
Parameters
Min.-
value
Max.-
value
Factory
setting
Function Codes
Normal operation
Temperature (set point) --- -50°C 50°C 2°C
Thermostat
Dierential r01 0,1 K 20 K 2 K
Max. limitation of setpoint setting r02 -49°C 50°C 50°C
Min. limitation of setpoint setting r03 -50°C 49°C -50°C
Adjustment of temperature indication r04 -20 K 20 K 0.0 K
Temperature unit (°C/°F) r05 °C °F °C
Correction of the signal from Sair r09 -10 K 10 K 0 K
Manual service(-1), stop regulation(0), start regulation (1) r12 -1
11
Displacement of reference during night operation r13 -10 K 10 K 0 K
Activation of reference displacement r40 r39 OFF on OFF
Value of reference displacement (can be activated by r39 or DI) r40 -50 K 50 K 0 K
Alarm
Delay for temperature alarm A03 0 min 240 min 30 min
Delay for door alarm A04 0 min 240 min 60 min
Delay for temperature alarm after defrost A12 0 min 240 min 90 min
High alarm limit A13 -50°C 50°C 8°C
Low alarm limit A14 -50°C 50°C -30°C
Alarm delay DI1
A27 0 min 240 min 30 min
High alarm limit for condenser temperature (o70) A37 0°C 99°C 50°C
Compressor
Min. ON-time c01 0 min 30 min 0 min
Min. OFF-time c02 0 min 30 min 0 min
Compressor relay must cutin and out inversely (NC-function) c30 0/OFF 1/on 0/OFF
Defrost
Defrost method (none/EL/gas) d01 no gas EL
Defrost stop temperature d02 0°C 25°C 6°C
Interval between defrost starts d03 0 hours 48 hours 8 hours
Max. defrost duration d04 0 min 180 min 45 min
Displacement of time on cutin of defrost at start-up d05 0 min 240 min 0 min
Drip o time d06 0 min 60 min 0 min
Delay for fan start after defrost d07 0 min 60 min 0 min
Fan start temperature d08 -15°C 0°C -5°C
Fan cutin during defrost d09 no yes yes
Defrost sensor (0=time, 1=S5, 2=Sair) d10
020
Defrost at start-up d13 no yes no
Max. aggregate refrigeration time between two defrosts d18 0 hours 48 hours 0 hours
Defrost on demand - S5 temperature’s permitted variation during
frost build-up. On central plant choose 20 K (=o)
d19 0 K 20 K 20 K
Fans
Fan stop at cutout compressor F01 no yes no
Delay of fan stop F02 0 min 30 min 0 min
Fan stop temperature (S5) F04 -50°C 50°C 50°C
Miscellaneous
Delay of output signals after start-up o01 0 s 600 s 5 s
Input signal on DI1. Function:
0=not used. 1=status on DI1. 2=door function with alarm when
open. 3=door alarm when open. 4=defrost start (pulse-pressure).
5=ext.main switch. 6=night operation 7=change reference (activate
r40). 8=alarm function when closed. 9=alarm function when open.
10=case cleaning (pulse pressure). 11=Inject o when open.
o02 0 11 0
Access code 1 (all settings)
o05 0 100 0
Used sensor type (Pt /PTC/NTC) o06 Pt ntc Pt
Display step = 0.5 (normal 0.1 at Pt sensor) o15
no yes no
Case cleaning. 0=no case cleaning. 1=Fans only. 2=All output O.
o46 0 2 0
Access code 2 (partly access) o64 0 100 0
Save the controllers present settings to the programming key. Select
your own number.
o65 0 25 0
Load a set of settings from the programming key (previously saved
via o65 function) Can only be set when regulation is stopped (r12=0)
o66 0 25 0
Replace the controllers factory settings with the present settings o67 OFF On OFF
Select application for S5 sensor (0=defrost sensor, 1= product sensor,
2=condenser sensor with alarm)
o70 0 2 0
Service
Temperature measured with S5 sensor u09
Status on DI1 input. on/1=closed u10
Status on night operation (on or o) 1=closed u13
Read the present regulation reference u28
Status on relay for cooling (Can be controlled manually, but only
when r12=-1)
u58
Status on relay for fans (Can be controlled manually, but only when
r12=-1)
u59
Status on relay for defrost. (Can be controlled manually, but only
when r12=-1)
u60
Temperature measured with Sair sensor u69
SW = 1.2X
EKC 102D
Regulation starts when the
voltage is on.
Alarm code display
A1
High temperature alarm
A2 Low temperature alarm
A4 Door alarm
A15 DI 1 alarm
A45 Standby mode
A59 Case cleasning
A61
Condenser alarm
Fault code display
E1
Fault in controller
E27 S5 sensor error
E29 Sair sensor error
Status code display
S0 Regulating
S2 ON-time Compressor
S3 OFF-time Compressor
S4 Drip-o time
S10
Refrigeration stopped by main
switch
S11 Refrigeration stopped by
thermostat
S14 Defrost sequence. Defrosting
S15
Defrost sequence. Fan delay
S16
Refrigeration stopped because
of open DI input
S17
Door open (open DI input)
S20 Emergency cooling
S25 Manual control of outputs
S29 Case cleaning
S32 Delay of output at start-up
non The defrost temperature can-
not be displayed. There is stop
based on time
-d- Defrost in progress/First cool-
ing after defrost
PS Password required. Set
password
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 upper and lower button
depressed at the same time as you
reconnect the supply voltage
EKC 102