Flowserve NRG211-1 User Manual
NRG 211-1
Installation Instructions 810 425- 00
Level Probe Type NRG 211-1
A Siebe Group Product
1
Dimensions
~118
~80
334.5
478
97
Fig. 1
∅43.5
2
Parts Drawings
I J
HG
K
F
E
Fig. 2
L
M
N
D
C
B
A
O
3
Parts Drawings
P Q G R S
40
5
Fig. 3
H
36251
4
4
Key
A
Strainer
B
Measuring electrode
C
Stuffing box
D
Groove for gasket
E
Locking screw
F
Transit protection
G
Upper part of connector
H
Retaining clip
I
Lower part of connector
J
Fixing screw for connector
K
Terminal box with preamplifier
L
Expansion bolts
M
Flange
N
Temperature sensor
O
Protection tube
P
Cable
Q
Cable gland
R
Screw for connector insert
S
Connector insert
5
Contents
Page
Important Notes
Safety note ...................................................................................................................... 8
Danger ............................................................................................................................ 8
Explanatory Notes
Scope of supply ..............................................................................................................9
System description .........................................................................................................9
Function .......................................................................................................................... 9
Design ............................................................................................................................. 9
Technical data – level probe .........................................................................................10
Techncial data – preamplifier........................................................................................ 10
Technical data – probe ..................................................................................................10
Installation
Welding standpipe ........................................................................................................11
Note .............................................................................................................................. 11
Danger ..........................................................................................................................11
Level probe ...................................................................................................................11
Attention........................................................................................................................11
Note .............................................................................................................................. 1 2
Tools..............................................................................................................................12
Wiring
Wiring diagram ..............................................................................................................13
Key to wiring diagram ...................................................................................................14
Attention........................................................................................................................14
Commissioning
Note ..............................................................................................................................15
Check wiring .................................................................................................................15
Apply mains voltage......................................................................................................15
Check switching function .............................................................................................. 15
Check voltage ............................................................................................................... 15
Table 1 – measuring voltages....................................................................................... 16
Check resistance thermometer .................................................................................... 16
Table 2 – resistance values ..........................................................................................16
6
Contents – continued –
Page
Maintenance
Note ..............................................................................................................................17
Replace amplifier board................................................................................................ 17
Annex
Warning.........................................................................................................................18
Fault finding list .............................................................................................................18
Spare parts ................................................................................................................... 19
Declaration of conformity ..............................................................................................20
7
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