kajaaniMCA
i
– Installation, Operating & Service - A5.3 - W4610201 V2.5 EN
NOTE: Before any installation work, make sure that the process pipeline is not pressurized and that the installation will be safe!
1. Pay attention to the following requirements for the installation point:
- process temperature max. 100 °C (max. 212 °F)
- pH 2.5 – 11.5
- pressure 1.5–16 bar (22–232 psi)
- do not install the sensor to the suction side of a pump
- conductivity in accordance with the sensor specifications (see App. 1)
2. Make sure that the FLOW arrow on the sensor housing is aligned with the process flow direction.
3. Make sure that the installation point and sensor position are in accordance with the instructions.
4. Protect the sensor and Display Unit from direct heat radiation (sun).
5. Make sure that the seals between the MCAi flanges and process flanges are correctly installed and the flange bolts are
properly tightened.
Check List for MCAi installation
Installing an MCAi-FT consistency sensor
Installation dimensions of the sensor
Model L/mm L/inch
150/6” 175 6 57/64
200/8” 225 8 55/64
Model L/mm L/inch
100/4” 300 11 13/16
250/10” 275 10 13/16
300/12” 350 13 25/32
• When choosing the installation point, pay attention to the space required for the sensor.
• Also make sure that the Display Unit can be installed – the cable between sensor and Display Unit
is 10 m (33 ft) long.
MCAi installation points
1. NOVE is usually installed after the MCA sensor. Make sure that the distance between NOVE and MCA
is ≥ 2 x D and ≥ 1 x D of straight pipeline after the NOVE.
2. Install the NOVE to a vertical pipeline so that it is at a 90° angle with respect to the sensor measuring
line. Always install NOVE to a horizontal pipeline from the side.
3. If the NOVE cannot be installed after the MCA, install it to the pipeline before MCA and make sure that
there is ≥ 4 x D of straight pipeline before the NOVE and ≥ 1 x D after it.
D = pipe diameter
Horizontal pipe
1xD
2xD
Nove
Installation of MCAi-FT to a vertical pipe after a pumpInstallation of MCAi-FT to horizontal pipe
after a vertical pipe
D
MCA
i
Min. 2xD
(1xD if Cs >8%)
Min. 4xD
(2xD if Cs >8%)
FLOW
D
MCA
i
Required straight
pipe section. No valves
or other devices
protruding into
the pipeline.
Min. 2xD
(1xD if Cs >8%)
Min. 4xD
(2xD if Cs >8%)
FLOW
MCA
i
FLOW
Min. 4xD
(2xD if Cs >8%)
Min. 2xD
(1xD if Cs>8%)
Min. 4xD
(2xD if Cs >8%)
Min. 2xD
(1xD if Cs >8%)
FLOW
Required straight pipe section.
No valves or other devices
protruding into the pipeline.
Horizontal
pipe
Installing a NOVE sampler
Installatin of MCAi-FT to horizontal pipe after a bend
Installation of MCAi-FT to a vertical pipe after a bend
Horizontal
pipe
Required straight pipe section.
No valves or other devices
protruding into the pipeline.
NOTE: If the horizontal pipe is long (>10xD),
the installation method shown on the right
is recommended!
Required straight pipe section.
No valves or other devices
protruding into the pipeline.
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