Danfoss EKC 102A User Manual

2 Instructions RI8KJ35J © Danfoss 08/2010 EKC 102A
English
The buttons
Set menu
1. Push the upper button until a parameter
is shown
2. Push the upper or the lower button and
find that parameter you want to change
3. Push the middle button until the
parameter value is shown
4. Push the upper or the lower button and
select the new value
5. Push the middle button again to enter
the value.
Set temperature
1. Push the middle button until the
temperature value is shown
2. Push the upper or the lower button and
select the new value
3. Push the middle button to select the
setting.
Manuel start or stop of a defrost
• Push the lower button for four seconds.
Light emitting diode
= refrigeration / pull in relay
= defrost
Flashes fast at alarm
Cutout alarm / see alarm code
• Push briey the upper button
Start-up:
Regulation starts when the voltage is on.
Go through the survey of factory
settings. Make any necessary changes in the
respective parameters.
SW = 1.2X
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 recon nect the supply voltage
Parameters
Min.-
value
Max.-
value
Factory
setting
Actual
setting
Function Codes
Normal operation
Temperature (set point) --- -50°C 99°C 2°C
Thermostat
Differential r01 0,1 K 20 K 2 K
Max. limitation of setpoint setting r02 -49°C 99°C 99°C
Min. limitation of setpoint setting r03 -50°C 99°C -50°C
Adjustment of temperature indication r04 -20 K 20 K 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 1 1
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 OFF On OFF
Defrost
Defrost method (0=none / 1=natural) d01 0 1 1
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
Defrost sensor (0=time, 1=Sair) d10 0 1 0
Defrost at start-up d13 no yes no
Miscellaneous
Delay of output signals after start-up o01 0 s 600 s 5 s
Access code o05 0 100 0
Used sensor type (Pt /PTC/NTC) o06 Pt ntc Pt
Refrigeration or heat (rE=refrigeration, HE=heat) o07 rE HE rE
Display step = 0.5 (normal 0.1 at Pt sensor) o15 no yes no
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 (previ-
ously saved via o65 function)
o66 0 25 0
Replace the controllers factory settings with the present
settings
o67 OFF On OFF
Service
Status on relay
Can be controlled manually, but only when r12=-1
u58
Fault code display
A45 Standby mode
Alarm code display
E1 Fault in controller
E29 Sair sensor error
Status code display
S0 Regulating
S2 ON-time Compressor
S3 OFF-time Compressor
S10 Refrigeration stopped by main
switch
S11 Refrigeration stopped by thermostat
S14 Defrost sequence. Defrosting
S20 Emergency cooling
S25 Manual control of outputs
S32 Delay of output at start-up
non The defrost temperature cannot be
displayed. There is no sensor
-d- Defrost in progress / First cooling
after defrost
PS Password required. Set password
Warning ! Direct start of compressors *
To prevent compressor breakdown parameter c01 and c02 should be set according to suppliers requirements or in general :
Hermetic Compressors c02 min. 5 minutes
Semihermetic Compressors c02 min. 8 minutes and c01 min. 2 to 5 minutes ( Motor from 5 to 15 KW )
* ) Direct activating of solenoid valves does not require settings different from factory (0)

Danfoss EKC 102A Specifications

General

Brand	Danfoss
Model	EKC 102A
Category	Control Unit
Language	English