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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.
Start-up:
Readout starts when the voltage is on.
1. Go through the survey of factory settings.. — Make any necessary changes in the respective parameters.
2. At data communication:
a. Set the address in o03
b. Activate the scan function on the system unit
Function
Normal operation
Display of the selected temperature sensor
Thermostat
Adjustment of temperature indication (the setting applies to all measurements)
Temperature unit(°C/°F)
Correction of the signal from sensor 1 (t1)
Correction of the signal from sensor 2 (t2)
Correction of the signal from sensor 3 (t3)
Alarm
Delay for temperature alarm
Alarm limit for t1- high temperature
Alarm limit for t1- low temperature
Alarm limit for t2- high temperature
Alarm limit for t2- low temperature
Alarm limit for t3- high temperature
Alarm limit for t3- low temperature
Miscellaneous
Network address
Access code (all settings)
Used sensor type (Pt /PTC)
Display step = 0.5 (normal 0.1 at Pt sensor)
Service
Temperature measured with t1 sensor
Temperature measured with t2 sensor
Temperature measured with t3 sensor
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
Fault code display
E1
Fault in controller
E31
Sensor error - t1
E32
Sensor error - t2
E33
Sensor error - t3
EKA 153
Select continuous display from a sensor
1. Push the middle button
2. Push the lower button and select the
required sensor
3. Push the middle button to freeze the
setting.
Reading the temperature at the other sensors
• Push briefly the lower button - read
• Repeat a short push - read.
Parameters
An "A" alarm or an "E" error can
only appear if the setting in A38,
A40 and A42, respectively, is set at
a lower value than 50°C.
Alarm code display
A62
High temperature alarm - t1
A63
Low temperature alarm - t1
A64
High temperature alarm - t2
A65
Low temperature alarm - t2
A66
High temperature alarm - t3
A67
Low temperature alarm - t3
Instructions RI8KA252 © Danfoss 03/2010
English
Min. value
Codes
---
t1
r04
-20 K
r05
°C
r41
-10 K
r42
-10 K
r43
-10 K
A03
0 min
A38
-50°C
A39
-50°C
A40
-50°C
A41
-50°C
A42
-50°C
A43
-50°C
o03
0
o05
0
o06
Pt
o15
no
u72
u73
u74
Status code display
PS
Password required. Set password.
non
There are no alarms for readouts
Light emitting diode
There are three light-emitting diodes.
They indicate the measurement to be
shown::
• (third lowest) = t1 = sensor 1
• (second lowest) = t2 = sensor 2
• (lowest) = t3 = sensor 3
All 3 flashes fast at alarm
See alarm code
• Push briefly the upper button
SW = 1.1x
Max.
Factory setting
value
t3
t1
20 K
0.0 K
°F
°C
10 K
0 K
10 K
0 K
10 K
0 K
240 min
30 min
50°C
50°C
50°C
-50°C
50°C
50°C
50°C
-50°C
50°C
50°C
50°C
-50°C
240
0
100
0
PTC
Pt
yes
no
Actual
setting
3
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