Basic settings, Commissioning – Flowserve NRA 1-3 User Manual

Page 14

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4

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 S – S3 to set one of the following seven operating modes.

6

Mode

S1

S2

S3

Plant

temperature

Function

Channels Remark

OFF

OFF

OFF

Test



ON

OFF

OFF

Yes

Steam loss

Banking-up of

condensate

6

Comparison of condensate temp.

and plant temperature



OFF

ON

OFF

No

Steam loss

Banking-up of

condensate

6

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

6

No temperature measurements

5

ON

OFF

ON

No

Banking-up of

condensate

6

No temperature measurements

6

OFF

ON

ON

Yes

Banking-up of

condensate

6

Comparison of condensate temp.

and plant temperature

7

ON

ON

ON

No

Banking-up of

condensate

6

Only condensate temperature is

measured

1

0

9

8

7

6

5

4

3

2

NO

Schaltwippe weiß

Code switch, white

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