Flowserve NRA 1-3 Manuel d'utilisateur télécharger pdf (Page 14)

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.

Mode S1 S2 S3

Plant

temperature

Function Channels Remark

OFF OFF OFF Test

1 ON OFF OFF Yes

Steam loss

Banking-up of

condensate

Comparison of condensate temp.

and plant temperature

2 OFF ON OFF No

Steam loss

Banking-up of

condensate

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

No temperature measurements

6 OFF ON ON Yes

Banking-up of

condensate

Comparison of condensate temp.

and plant temperature

7 ON ON ON No

Banking-up of

condensate

Only condensate temperature is

measured

1 098765

Schaltwippe weiß

Code switch, white

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 23 24

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Flowserve NRA 1-3 Manuel d'utilisateur Page 14

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