Safety instructions Designated use The manually operated retractable Cleanfit W CPA450 is intended to allow installation of pH/ ORP and oxygen sensors in tanks and pipelines while the system is in operation. Thanks to its design, the assembly can be used in pressurized systems (see Technical data).
Cleanfit W CPA450 Safety instructions Notes on safety conventions and icons Warning! This symbol alerts you to hazards that 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.
CPA450- complete order code Scope of delivery The scope of delivery comprises: • Cleanfit W CPA450 assembly (ordered version) • PMC mounting kit • Hook wrench • Operating Instructions (English) If you have any questions, please contact your supplier or your local sales center.
Cleanfit W CPA450 Installation Installation Incoming acceptance, transport, storage • Make sure the packaging is undamaged! Inform the supplier about any 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 contents.
Installation Cleanfit W CPA450 Installation conditions 3.2.1 Dimensions and process connections mm (inch) Ø 25 (0.98) Ø 21.2 (0.83) Ø 23 (0.91) Ø 27 (1.06) (3.5) (3.5) AF 55 a0010341 Fig. 2: Dimensions (see the following table) Endress+Hauser...
Installation Cleanfit W CPA450 3.2.2 Installation notes Suitable sensors The following sensors are suitable for installation in the CPA450: • Digital sensors with Memosens technology, length 120 mm / 4.72" • pH/ORP glass electrodes, length 120 mm / 4.72" • ISFET sensors: only sensors listed in "Accessories" chapter •...
Page 11
Cleanfit W CPA450 Installation a0010209 a0010210 Fig. 4: Assembly in moved-in state = measuring mode Fig. 5: Assembly in moved-out state for electrode (ball valve open) replacement, calibration, rinsing (ball valve closed) Top of adapter Note! Please note that a mounting clearance of min. 700 or 1150 mm (27.6" or 45.3") from the top of the adapter is required depending on assembly version.
3.3.1 Measuring system A complete measuring system consists of: • Cleanfit W CPA450 assembly • DO/pH/ORP sensor, length 120 mm (4.72"), e.g. Orbisint CPS11D • Transmitter, e.g. Liquiline M CM42 or Mycom S CPM153 • Measuring cable, e.g. CYK10 or CPK9 Optional: •...
Cleanfit W CPA450 Installation 3.3.3 Installing the assembly into the process Warning! • Depressurize the system before assembly installation or removal. • The medium pressure in the tank or pipe must not exceed the maximum permissible pressures for assembly and electrode.
Installation Cleanfit W CPA450 3.3.5 Sensor installation Warning! • Do not try to insert or retract the assembly manually at a process pressure above 2 bar (29 psi)! If the process pressure is higher, you have to switch off the process before moving the assembly! •...
Cleanfit W CPA450 Installation Reassemble the assembly Insert the assembly in the ball valve (pos. 7). Tighten the lock ring using the supplied hook wrench. Make sure that the compression fitting (pos. 3) is only opened by ½ revolution. Adjust the setting collar (pos. 2) to the desired immersion depth and lock it in that position using an Allen wrench.
Operation Cleanfit W CPA450 Operation First commissioning Before the first commissioning, make sure of the following items: • All seals are correctly seated (on the assembly and process connection). • The sensor is correctly installed and connected. • The water supply line is correctly connected to the rinse connections (if fitted).
Cleanfit W CPA450 Operation Assembly operation Warning! • Do not try to insert or retract the assembly manually at a process pressure above 2 bar (29 psi)! If the process pressure is higher, you have to switch off the process before moving the assembly! •...
Maintenance Cleanfit W CPA450 Maintenance Warning! Risk of injury! Before starting maintenance work on the assembly, make sure that the process line and the tank are depressurized, empty and rinsed. Move the assembly to the "Service" position. Cleaning the assembly All parts in contact with the medium, e.g.
Cleanfit W CPA450 Maintenance Cleaning agents The selection of the cleaning agent is dependent on the degree and type of contamination. The most common contaminations and the suitable cleaning agents are listed in the following table. Type of contamination Cleaning agent...
Cleanfit W CPA450 Accessories Sensors 6.3.1 Glass electrodes, analog and digital with Memosens technology Note! When ordering electrodes, please note that only electrodes with a shaft length of 120 mm (4.72") and diameter of 12 mm (0.47") are suitable for the CPA450 assembly. The most common sensors are listed below.
Accessories Cleanfit W CPA450 Measuring cables CPK1 special measuring cable • For pH/ORP electrodes with GSA plug-in head • Ordering acc. to product structure, see Technical Information (TI118C/07/en) CPK9 special measuring cable • For sensors with TOP68 plug-in head, for high-temperature and high-pressure applications, IP 68 •...
Accessories Calibration solutions 6.5.1 High-quality buffer solutions of Endress+Hauser - CPY20 The secondary buffer solutions have been referenced to primary reference material of the PTB (German Federal Physico-technical Institute) and to standard reference material of NIST (National Institute of Standards and Technology) according to DIN 19266 by a DKD (German Calibration Service) accredited laboratory.
Accessories Cleanfit W CPA450 Retrofit kits • Retrofit kit for installation of digital sensors with Memosens technology in assembly versions delivered before 01/01/2005, serial number < 71xxxxxxxxx: Consisting of: – 1 sensor holder, stainless steel 1.4404 (AISI 316 L) – 1 immersion tube, short –...
Cleanfit W CPA450 Troubleshooting Troubleshooting Replacing damaged parts Warning! Damage to the assembly which affects the pressure safety must only be repaired by authorized technical personnel. After every repair and maintenance activity, suitable measures must be taken to test whether the assembly shows any signs of leaking.
Page 26
Troubleshooting Cleanfit W CPA450 Replace the O-rings of sensor and sensor holder 1. Open the cable gland (sleeve) at the top of the assembly using a wrench AF 20. 2. Remove the sensor holder from the assembly. 3. Remove the sensor from the sensor holder.
Page 27
Cleanfit W CPA450 Troubleshooting Reassemble the assembly Screw the sensor holder back onto the immersion tube. Tighten the cable gland using a wrench AF 20. Place the assembly body on the adapter and tighten the lock ring using a hook wrench.
Cleanfit W CPA450 Troubleshooting 7.3.2 Spare part kits Pos. no. Designation and content Order number spare part kit Sealing set EPDM 50090489 Sealing set Viton 50090490 Sealing set Kalrez 71028925 Cable gland, sleeve 51501523 Immersion tube, cable gland 100 mm...
Troubleshooting Cleanfit W CPA450 Pos. no. Designation and content Order number spare part kit Ball valve G 1¼, stainless steel 1.4408 (AISI CF-8M) 51501541 For assembly version: – CPA450-xFxxx Ball valve G 1¼, stainless steel 1.4404 (AISI 316L) 51501542 For assembly version: –...
Cleanfit W CPA450 Technical data Technical data Environment Ambient temperature 0 to 50 °C (32 to 122 °F) Process Process pressure max. 6 bar (87 psi) " Caution! • The maximum permissible pressure for assembly movement is 2 bar (29 psi)! •...
Technical data Cleanfit W CPA450 Mechanical construction Design, dimensions see chapter "Installation" Weight Without ball valve: 2 kg (4.4 lb.) With threaded ball valve: 5 kg (11 lb.) With flanged ball valve: 10 kg (22.1 lb.) Immersion tube: stainless steel 1.4404 (AISI 316L),...
Page 35
Erklärung zur Kontamination und Reinigung Please reference the Return Authorization Number (RA#), obtained from Endress+Hauser, on all paperwork and mark the RA# clearly on the outside of the box. If this procedure is not followed, it may result in the refusal of the package at our facility.