KROHNE VARIFLUX IFS 6000 EN - Manual (Page 10)

10
Switch off power source before commencing work!
1) Note down terminal assignment before dismantling the “old“ primary head.
2) Install the new primary head as described in the supplied installation instructions.
3) Make electrical connection at the signal converter as described in the installation and
operating instructions for the signal converter.
4) Specific calibration data are defined during factory calibration for each primary head,
which are indicated on the instrument nameplate.
This includes the primary constant GK and the magnetic field frequency. These data
need to be reset in the signal converter.
5) If the size of primary head is also different from the old one, the full-scale range Q
100%
and
the meter size will need to be reset.
6) After resetting the signal converter, carry out a zero point check.
7) If necessary, reset the internal electronic totalizer of the signal converter.
9 Spare parts and order numbers
8.1 Replacement of the separate primary head
8 Service
8.2 Replacement of O-ring gaskets with adapters
– Unscrew union nuts.
Caution: keep hold of the flowmeter
to prevent it from dropping out of the pipeline.
– Remove the flowmeters from the pipeline.
– Remove O-rings (gaskets D1, see grounding
diagram in Sect. 7) from the adapter grooves.
– Apply grease to new gaskets D1
(Paraliq GTE 703, Silubin or Similar).
– Insert O-rings into the adapters.
– Slide the flowmeter between the adapters.
– Tighten union nuts down to metal stop.
1 flowmeter 3 adapter
2 O-ring 4 union nut
1
2
3
4
Meter size
mm
2.5
4
6
10
15
25 DIN
25 ISO
40 DIN
40 ISO
50 DIN
50 ISO
65 DIN
65 ISO
80 DIN
80 ISO
inch
1 / 10
1 / 6
1 / 4
3 / 8
1 / 2
–
1 ISO
–
1
1 / 2 ISO
–
2 ISO
–
3 ISO
–
4 ISO
Order No.
5.30001.03
5.30001.04
5.30001.05
5.31116.02
5.31116.03
5.30026.03
5.30026.06
5.30034.03
5.30034.04
5.30038.03
5.30038.03
5.30034.06
5.30034.04
5.30034.09
5.30034.05
O-ring gaskets D1 between measuring tube and grounding
rings
(gasket arrangement, see Sect. 7)
DN 2.5 - 15 1 / 10 ”- 1 / 2 ” Viton
Kalrez
EPDM
5.30014.02
5.30014.03
5.30014.04
Meter size Material Order No.
O-ring gaskets D1 between
coupler and measuring tube
Material: EPDM, FDA-approved
(Gasket arrangement, see Sect. 7)