
Basic Settings
Factory setting
Test station NRA 1-3
The test station features the following factory set default values:
n Difference of condensate temperature / plant temperature or switchpoint “Banking-up of conden-
sate”: 40 K
n Maintenance interval: 6 months (not adjustable)
n Code switch 6 Fig. 4: All switches are set to OFF.
Commissioning
Check wiring
Before commissioning please check:
Are the measuring electrodes /temperature sensor correctly wired in accordance with the wiring
diagram?
Set operating mode
Use code switch 6, Fig. 4, switches S1 – S3 to set one of the following seven operating modes.
6
Mode S1 S2 S3
Plant
temperature
Function Channels Remark
OFF OFF OFF Test
1 ON OFF OFF Yes
Steam loss
Banking-up of
condensate
16
Comparison of condensate temp.
and plant temperature
2 OFF ON OFF No
Steam loss
Banking-up of
condensate
16
Only condensate temperature is
measured
3 ON ON OFF No
Steam loss
Banking-up of
condensate
8 No temperature measurements
4 OFF OFF ON No Steam loss 16 No temperature measurements
5 ON OFF ON No
Banking-up of
condensate
16
No temperature measurements
6 OFF ON ON Yes
Banking-up of
condensate
16
Comparison of condensate temp.
and plant temperature
7 ON ON ON No
Banking-up of
condensate
16
Only condensate temperature is
measured
1 098765
4
32
NO
Schaltwippe weiß
Code switch, white
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