Endress+Hauser Cleanfit COA451 User manual

Quality made by
Endress+Hauser
ISO 9001
BA 368C/07/en/11.03
51512834 CleanFit COA 451
Retractable Process Assembly
Operating Instructions

CleanFit COA 451
Endress+Hauser 3
Table of contents
1 Safety instructions . . . . . . . . . . . . . . 4
1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Installation, commissioning and operation . . . 4
1.3 Operational safety . . . . . . . . . . . . . . . . . . . . . . 4
1.4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5 Notes on safety icons and symbols . . . . . . . . . 5
2 Identification . . . . . . . . . . . . . . . . . . . 6
2.1 Device designation . . . . . . . . . . . . . . . . . . . . . 6
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . 6
3 Installation. . . . . . . . . . . . . . . . . . . . . 7
3.1 Incoming acceptance, transport, storage . . . . 7
3.2 Installation conditions . . . . . . . . . . . . . . . . . . . 7
3.3 Installation instructions . . . . . . . . . . . . . . . . . . 9
3.4 Post-installation check . . . . . . . . . . . . . . . . . . 13
4 Operation . . . . . . . . . . . . . . . . . . . . . 14
4.1 First commissioning . . . . . . . . . . . . . . . . . . . . 14
4.2 Operating elements . . . . . . . . . . . . . . . . . . . . 14
4.3 Assembly operation . . . . . . . . . . . . . . . . . . . . 15
5 Maintenance . . . . . . . . . . . . . . . . . . 16
5.1 Cleaning of the assembly . . . . . . . . . . . . . . . 16
5.2 Cleaning of the sensor . . . . . . . . . . . . . . . . . . 16
5.3 Cleaning agents . . . . . . . . . . . . . . . . . . . . . . . 17
6 Accessories . . . . . . . . . . . . . . . . . . . 18
6.1 Accessories kits . . . . . . . . . . . . . . . . . . . . . . . 18
6.2 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.3 Documentation . . . . . . . . . . . . . . . . . . . . . . . . 18
6.4 Profiling plates . . . . . . . . . . . . . . . . . . . . . . . . 18
6.5 Welded fitting . . . . . . . . . . . . . . . . . . . . . . . . . 19
7 Trouble-shooting. . . . . . . . . . . . . . . 20
7.1 Replacing damaged parts . . . . . . . . . . . . . . . 20
7.2 Replacing seals . . . . . . . . . . . . . . . . . . . . . . . 20
7.3 Spare part kits . . . . . . . . . . . . . . . . . . . . . . . . 22
7.4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.5 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8 Technical data . . . . . . . . . . . . . . . . . 24
8.1 Environment . . . . . . . . . . . . . . . . . . . . . . . . . . 24
8.2 Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
8.3 Mechanical construction . . . . . . . . . . . . . . . . 25
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Safety instructions CleanFit COA 451
4Endress+Hauser
1Safetyinstructions
1.1 Designated use
The manually or pneumatically operated retractable assembly Cleanfit COA 451 is
designed for installing oxygen sensors in tanks and pipes.
Its mechanical design permits its use in pressurised systems (see "Technical data").
Any other use than the one described here compromises the safety of persons and the
entire measuring system and is, therefore, not permitted.
The manufacturer is not liable for damage caused by improper or non-designated use.
1.2 Installation, commissioning and operation
Please note the following items:
•Installation, electrical connection, commissioning, operation and maintenance of the
measuring system must only be carried out by trained technical personnel.
The technical personnel must be authorised for the specified activities by the system
operator.
•Technical personnel must have read and understood these Operating Instructions
and must adhere to them.
•Before commissioning the entire measuring point, check all the connections for
correctness. Ensure that electrical cables and hose connections are not damaged.
•Do not operate damaged products and secure them against unintentional
commissioning. Mark the damaged product as being defective.
•Measuring point faults may only be rectified by authorised and specially trained
personnel.
•If faults can not be rectified, the products must be taken out of service and secured
against unintentional commissioning.
•Repairs not described in these Operating Instructions may only be carried out at the
manufacturer’s or by the Endress+Hauser service organisation.
1.3 Operational safety
The assembly has been designed and tested according to the state of the art and left
the factory in perfect functioning order.
Relevant regulations and European standards have been met.
As the user, you are responsible for complying with the following safety conditions:
•Installation instructions
•Local prevailing standards and regulations.
1.4 Return
If the assembly has to be repaired, please return it cleaned to the Endress+Hauser
sales centre responsible.
Please use the original packaging, if possible.
Please enclose the completed Dangerous Goods sheet (copy the second last page of
these Operating Instructions) with the packaging and also the shipping documents.
No repair without completed Dangerous Goods sheet!

CleanFit COA 451 Safety instructions
Endress+Hauser 5
1.5 Notes on safety icons and symbols
#
Warning!
This symbol alerts you to hazards. They can cause serious damage to the instrument or
to persons if ignored.
"
Caution!
This symbol alerts you to possible faults which could arise from incorrect operation.
They could cause damage to the instrument if ignored.
!
Note!
This symbol indicates important items of information.

Identification CleanFit COA 451
6Endress+Hauser
2 Identification
2.1 Device designation
2.1.1 Nameplate
You can identify the assembly version by the order code on the nameplate. Please
compare this code with your order.
You can find possible assembly versions and the resulting order codes in the product
structure.
2.1.2 Product structure
2.2 Scope of delivery
The scope of delivery comprises:
•CleanFit assembly (ordered version)
•Operating Instructions (English).
If you have any questions, please contact your supplier or your Endress+Hauser sales
centre responsible (see back page of these Operating Instructions).
C07-COA451xx-18-07-00-en-001.eps
Fig. 1: Example of a nameplate
Sensor lift / Immersion depth
A Short lift, Immersion depth approx. 170 mm / 6.69" (process connections A and B only)
B Long lift, Immersion depth approx. 270 mm / 10.63"
Sensor type / Connection
1 For COS 31 with G1, Sensor length approx. 200 - 220 mm / 7.87 - 8.66"
2 For COS 41 / COS 3 with G1, Sensor length approx. 140 - 160 mm / 5.51 - 6.30"
Process connection
A G2 internal thread
B G2 internal thread with welded fitting h = 50 mm / 1.97"
C Flange DN 50 / PN 16 acc. to EN 1092/1
D Flange ANSI 2" / 150 lbs
COA 451- complete order code
ENDRESS+HAUSER
CLEANFIT COA 451
order code:
serial no.:
spec.
pressure: PN=10bar T=80°C
COA451-A2A
2 13879 05B75

CleanFit COA 451 Installation
Endress+Hauser 7
3 Installation
3.1 Incoming acceptance, transport, storage
•Make sure the packaging is undamaged!
Inform the supplier about damage to the packaging.
Keep the damaged packaging until the matter has been settled.
•Make sure the contents are undamaged!
Inform the supplier about damage to the delivery contents.
Keep the damaged products until the matter has been settled.
•Check that the scope of delivery is complete and agrees with your order and the
shipping documents.
•The packaging material used to store or to transport the product must provide shock
protection and humidity protection. The original packaging offers the best protection.
Also, keep to the approved ambient conditions (see "Technical data").
•If you have any questions, please contact your supplier or your Endress+Hauser
sales centre responsible (see back page of these Operating Instructions).
3.2 Installation conditions
3.2.1 Dimensions
C07-CUA451xx-06-07-en-003.eps
Fig. 2: Assembly with welding neck (short
lift)
* Dimensions depend on sensor, see
below
C07-CUA451xx-06-07-00-en-002.eps
Fig. 3: Assembly with flange connection
(long lift)
* Dimensions depend on sensor, see
below
C07-CUA451xx-06-07-00-en-001.eps
Fig. 4: Assembly in service position
** Assembly version with short lift
(see product structure)
*** There must be additional space of 350 mm (13.78") for sensor installation!
*
32 /
1.26 227 /
8.94
53 /
2.09
85 / 3.35
Ø 49.5/
Ø 1.95 mm /
inch
1/
0.04
*
32 /
1.26
105 / 4.13
227 /
8.94
53 /
2.09
85 / 3.35
Ø 49.5/
Ø 1.95
mm /
inch
105
4.13
100
3.94
191** / 296
7.52** / 11.65
443** / 548
17.44** / 21.57 + 350 / 13.78* **
mm
inch
* Dimension acc. to sensor type:
COS 31:
COS 41:
8 mm (0.31")
11 mm (0.43")
COS 3: 16 mm (0.63")

Installation CleanFit COA 451
8Endress+Hauser
3.2.2 Process connections
C07-CUA451xx-04-07-00-en-001.eps
Abb. 5: Process connections
A Internal thread G2
B Internal thread G2 with welded fitting
C Flange DN 50 / PN 16 and Flange ANSI 2" / 150 lbs
a: DN 50: Ø 125 (4.92"), ANSI 2": Ø 120.7 (4.75")
b: DN 50: Ø 165 (6.50"), ANSI 2": Ø 152.4 (6.00")
3.2.3 Notes on installation
The assembly is designed for installation on tanks and pipes. Suitable nozzles must be
available for this.
Installation place
Install the assembly at places with constant flow. The minimum pipe diameter is DN 80.
C07-COA451xx-11-07-00-en-001.eps
Fig. 6: Permissible and impermissible sensor installation positions
1 Ascending pipe, best position
2 Horizontal pipe, sensor top down, impermissible due to air cushion or foam bubble forming
3 Horizontal pipe, installation with permissible emitting angles (acc. to sensor version)
4 Overhead installation, impermissible due to missing electrolyte contact of the sensor electrodes
5 Down pipe, impermissible
!
Note!
•Do not install the assembly at places, where air cushions or foam bubbles can be
formed or where suspended particles can settle on the sensor optics (→Fig. 6).
•Measuring errors can occur, if:
– the sensor is not immersed into the medium
– suspended particles are settled on the sensor membrane
– the sensor is installed overhead.
CA B
2"
32 / 1.26
a
b
mm / inch
5
3
4
1
2
3
Detail A,
(top view)
Detail A, rotated
(side view)
90°

CleanFit COA 451 Installation
Endress+Hauser 9
Orientation
"
Caution!
•Avoid a siphon effect1at the rinse chamber outlet when installing with inclined
orientation. The inlet to the rinse chamber must be from below.
3.3 Installation instructions
3.3.1 Measuring system
A complete measuring system comprises:
•CleanFit COA 451 assembly
•OxiMax W COS 31, OxiMax W COS 41 or OxiMax W COS 3 oxygen sensor
•Liquisys M COM 223/253 transmitter
C07-COA451xx-11-07-00-xx-003.eps
Fig. 7: Ascending pipe and tank side installation
αmin 15°
1 Medium flow direction
C07-COA451xx-11-07-00-xx-002.eps
Fig. 8: Tank top installation
αmin. 15°
1 Medium flow direction
190°
α
α
α α
1) Siphon effect: line emptied by vacuum
C07-COA451xx-14-05-00-xx-001.eps
Fig. 9: Measuring system
1 COS 31, COS 41 or COS 3
2 Liquisys M COM 253
3 COA 451
4 Medium flow direction
12
3
4

Installation CleanFit COA 451
10 Endress+Hauser
3.3.2 Installing the assembly into the process
Move the assembly into the "Service" position (outer sleeve inserted in the assembly)
and secure the assembly to the tank or the piping using your selected process
connection.
!
Note!
Depending on the process connection, please observe the following:
•Check the installation of the flange seal between the flanges.
3.3.3 Rinse water connection (optionally)
You can rinse the sensor in the Service position with a second ball valve for the rinse
chamber (see Accessories).
Connect the rinse water pipe to the designated rinse nozzle. Both rinse nozzles on the
assembly are identical. Use one as an inlet and the other as an outlet.
Operate the rinse water connection of the assembly with a water pressure of 2 to
max. 6 bar (29 to 87 psi). In addition, install a non-return valve and a dirt trap (100 µm)
in the water supply line (at the inlet to the assembly).
"
Caution!
If it is possible for the water pressure to rise above 6 bar (87 psi, including any transient
pressure surges), install a pressure reducing valve upstream. Otherwise the assembly
may be damaged.
Besides water, other or additional cleaning solutions may be used in the rinse chamber.
Pay attention to the material resistance of the assembly and comply with the maximum
permitted temperatures and pressures.
C07-CUA451xx-15-07-06-xx-001.eps
Fig. 10: Assembly in measuring mode (ball valve
open)
1
2
3
4
5
6
7
8
9
Hand lever for ball valve open/close
Process connection (Flange DN 50 / PN 16)
Outer sleeve
Locking pin
Fastening screws
Bayonet joint
Handle
Lubricator nipple
Air relief valve resp. rinse water connection
1
2
3
4
5
6
7
8
9