Endress+Hauser ISEmax 71072583 User manual

BA438C/07/EN/13.11
71144929
Operating Instructions
ISEmax compressed air cleaning unit (230V AC)
(Order No.: 71072583)

Overview
a0016120
Abb. 1: Cleaning unit
1Pump
2 Housing
3 Suction side with air filter
4 Terminal strip with fuse
5 Compressed air supply (to the sensor)
6 Tubular frame (part of scope of delivery)

Endress+Hauser
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
1.6 Cross reference symbols . . . . . . . . . . . . . . . 5
2 Identification . . . . . . . . . . . . . . 6
2.1 Device designation . . . . . . . . . . . . . . . . . . . 6
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . 6
2.3 Certificates and approvals . . . . . . . . . . . . . . 6
3 Installation . . . . . . . . . . . . . . . . 6
3.1 Incoming acceptance, transport, storage . . . 6
3.2 Installation conditions . . . . . . . . . . . . . . . . 8
3.3 Installation instructions . . . . . . . . . . . . . . . 9
3.4 Post-installation check . . . . . . . . . . . . . . . 10
4 Wiring . . . . . . . . . . . . . . . . . . 10
4.1 Electrical connection to the transmitter . . 10
4.2 Post-connection check . . . . . . . . . . . . . . . 11
5 Commissioning. . . . . . . . . . . . 11
5.1 Function check . . . . . . . . . . . . . . . . . . . . 11
5.2 Switching on the unit . . . . . . . . . . . . . . . . 12
6 Maintenance. . . . . . . . . . . . . . 12
6.1 Maintenance schedule . . . . . . . . . . . . . . . 12
6.2 Replacing the seal lip . . . . . . . . . . . . . . . . 13
7 Spare parts . . . . . . . . . . . . . . . 14
8 Technical data . . . . . . . . . . . . 15
8.1 Electrical connection . . . . . . . . . . . . . . . . 15
8.2 Performance characteristics . . . . . . . . . . . 15
8.3 Environment . . . . . . . . . . . . . . . . . . . . . . 15
Index . . . . . . . . . . . . . . . . . . . 16

Safety instructions
4Endress+Hauser
1 Safety instructions
1.1 Designated use
The product is designed for the cyclic cleaning of ion-selective sensors with compressed air in municipal
sewage treatment plants. The cleaning intervals are controlled by the connected transmitter.
Any other use than the one described here compromises the safety of persons and the entire measuring
system and is 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, commissioning, operation and maintenance of the measuring system must only be
carried out by trained technical personnel.
Trained personnel must be authorized for the specified activities by the system operator.
• Electrical connection must only be carried out by a certified electrician.
• 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. 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 authorized 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 service organization.
1.3 Operational safety
The product is designed to meet state-of-the-art safety requirements, has been tested and left the factory
in a condition in which it is safe to operate. Relevant regulations and European standards have been
observed.
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 device has to be repaired, please return it cleaned to the sales center responsible.
Please use the original packaging, if possible.

Safety instructions
Endress+Hauser 5
1.5 Notes on safety icons and symbols
The structure, signal words and safety colors of the signs comply with the specifications of ANSI Z535.6
("Product safety information in product manuals, instructions and other collateral materials").
1.6 Cross reference symbols
Safety message structure Meaning
DANGER
!
Cause (/consequences)
Consequences if safety
message is not heeded
• Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid the situation will result in a fatal or serious injury.
WARNING
!
Cause (/consequences)
Consequences if safety
message is not heeded
• Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid the situation can result in a fatal or serious injury.
CAUTION
!
Cause (/consequences)
Consequences if safety
message is not heeded
• Corrective action
This symbol alerts you to a dangerous situation.
Failure to avoid this situation can result in minor or medium injury.
NOTICE
Cause/situation
Consequences if safety
message is not heeded
• Action/note
This symbol alerts you to situations that can result in damage to
property and equipment.
È ä 1 This symbol indicates a cross reference to a defined page (e.g. p. 1).
È å 2 This symbol indicates a cross reference to a defined figure (e.g. fig. 2).

Identification
6Endress+Hauser
2 Identification
2.1 Device designation
2.1.1 Nameplate
The nameplate contains the following information:
• Manufacturer data
• Order code
• Extended order code
• Serial number
• Operating conditions
• Safety icons
Compare the order code on the nameplate with your order.
2.1.2 Product structure
Cleaning unit in housing
• Order No.: 71072583
2.2 Scope of delivery
The scope of delivery comprises:
• 1 complete cleaning unit
• 1 set of Operating Instructions BA438C/07/DE
• 1 set of Operating Instructions BA438C/07/EN
If you have any questions, please contact your supplier or your local sales center.
2.3 Certificates and approvals
Declaration of conformity
The product meets the requirements of the harmonized European standards. It thus complies with the
legal requirements of the EC directives.
The manufacturer confirms successful testing of the product by affixing the 4symbol.

Installation
Endress+Hauser 7
3 Installation
3.1 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. Keep the damaged products until the matter has
been settled.
• Check that the order is complete and agrees with your 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 local sales center.

Installation
8Endress+Hauser
3.2 Installation conditions
a0011377
Fig. 2: Dimensions

Installation
Endress+Hauser 9
3.3 Installation instructions
Preferably mount the cleaning unit close to the measuring point.
a0011385
Fig. 3: Cleaning unit on tubular frame supplied
1 Cleaning unit
2 Tubular frame (mounted at factory)
3 Screws for securing to floor (not part of scope of delivery)
You have the following installation options:
1. Secure the unit mounted on the tubular frame to the floor (→å3).
The required fastening material does not form part of the scope of delivery!
2. Position the unit mounted on the tubular frame on the railing or an upright post and secure the
tubular frame to the railing/post with a hose clip (not supplied).
3.4 Post-installation check
• After mounting, check all the connections to ensure they are secure and leak-tight.
• Check all cables and hoses for damage.
• Check whether the cables are routed such that they are free from electromagnetic interference
influences.

Wiring
10 Endress+Hauser
4 Wiring
WARNING
!
Device is energized
Improper connection can cause injury or death.
• The electrical connection must only be carried out by a certified electrician.
• Technical personnel must have read and understood the instructions in this manual and must
adhere to them.
•Prior to beginning any wiring work, make sure voltage is not applied to any of the cables.
4.1 Electrical connection to the transmitter
NOTICE
Usage of impermissible cable diameter
Losing the protection class IP65
• Use a cable with a diameter of 6 ... 12 mm (0.24 ... 0.47") for Pg 13.5 cable gland.
• Use a cable with a diameter of 13 ... 18 mm (0.51 ... 0.71") for Pg 21 cable gland (designated for
mains).
Connect the cleaning unit to the CM44x transmitter by applying the voltage L1 to terminals 41 and 42.
a0016124
Fig. 4: Connection

Commissioning
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4.2 Post-connection check
5Commissioning
5.1 Function check
CAUTION
!
Avoid damage due to incorrect power supply and inaccurate or insecure hose connections
• Check that all connections are secure. In particular, ensure that all hose connections are secure, so
that no leaks occur.
• Ensure that the power supply voltage corresponds to the voltage specified on the nameplate.
5.2 Switching on the unit
CAUTION
!
Touching hot surface
Risk of burning because of hot surface!
• Do not touch the open housing without safety gloves.
NOTICE
Damage to property because of not designated use
• The device is designated for interval operation, i.e. maximum 3 minutes cleaning, break of at least
six times the cleaning time.
• The device may not start up against a pressure load and may not be subject to pressure when at a
standstill.
• Use the unit to transport air only. The cleaning unit should never be used to transport liquids or
aggressive and/or toxic media.
• Protect the device against splash water and excessive dust.
You can find further information to the programming of the cleaning unit at CM44x in BA450C
(Operation & settings).
Checks Notes
Is the supply voltage correct? 230 V AC
Are the installed cables strain-relieved and not twisted?
Are all the cable entries installed, tightened and sealed?

Maintenance
12 Endress+Hauser
6 Maintenance
Take all the necessary precautions in time to ensure the operational safety and reliability of the entire
measuring system.
WARNING
!
Device under voltage
Risk of electric shock!
• Disconnect the device from the line voltage.
• Secure the device from unintentional resetting.
NOTICE
Interfere with process and process controlling
• When performing any work on the system, bear in mind any potential impact on the process control
system or on the process itself.
• For your own safety, only use genuine accessories. With genuine parts, the function, accuracy and
reliability are also ensured after maintenance work.
6.1 Maintenance schedule
As the only wear part, the seal lip of the ribbed cover has to be replaced after an extended service life.
You know the seal lip has to be replaced if the delivery rate drops noticeably.
6.2 Replacing the seal lip
a0011378
Fig. 5: Exploded drawing of the pump head
1
2
3
4
5
6
7
8
9
10
11
12
13
Ribbed cover
Seal
Valve guard
Valve springs
Thrust washer
O-ring
Connecting rod
Allen screws
Intermediate plate
Fillister-head screw
Connecting rod disk
Seal lip
Spacer

Spare parts
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Disassembly
1. Release the 4 Allen screws (AF4, item 8) and remove the ribbed cover (item 1) along with the seal
(item 2) and the intermediate plate (item 9).
2. Remove the spacer (item 13) from the connecting rod disk (item 11).
3. Inspect the O-ring (item 6) in the spacer for visible wear and, where necessary, replace it with the
new one in the spare parts kit.
4. Unscrew the fillister-head screw (item 10) with a flat-bladed screwdriver.
5. Remove the thrust washer (item 5) and replace the seal lip (item 12) with the new one in the spare
parts kit. Make sure the seal lip is positioned correctly (see Fig.).
Assembly
1. Place the thrust washer back on the connecting rod disk and seal lip, and screw on the
fillister-head screw securely.
The seal lip should not be warped and the pretension should cause it to fit properly in the cylinder.
2. Position the spacer on the connecting rod disk. Make sure it is positioned correctly in the
corresponding recesses.
3. Check the seal (item 2) of the ribbed cover and replace it if necessary.
4. Fit the intermediate plate in the ribbed cover. Make sure it is seated correctly (outline of thrust
washer and outline of ribbed cover for bottom and top position respectively. Position in the ribbed
cover is clear).
5. Position the ribbed cover, together with the intermediate plate and seal, on the pump head in such
a way that the logo on the ribbed cover is over the fan grill.
6. Tighten the 4 Allen screws.
The spare parts kit also contains 2 additional valve springs (item 4), incl. the related screws, and a
valve guard (item 3). Only replace these parts if necessary.
7 Spare parts
Kit compressor wear parts
• 1 seal lip
• 1 seal for ribbed cover
• 1 O-ring Ø70 x 2.0
• 1 valve guard
• 2 valve springs
• 2 fillister-head screws DIN84, M3x4
• Order No. 71092783

Technical data
14 Endress+Hauser
8 Technical data
8.1 Electrical connection
8.1.1 Supply voltage
230 V AC
The device does not have a mains switch. The customer must provide a fused power outlet near
the cleaning unit.
8.1.2 Power consumption
300 VA; cos(phi) = 0.8
8.1.3 Cable specification
Permissible cable diameter
• 6 to 12 mm (0.24 to 0.47") when using Pg 13.5 cable gland
• 13 to 18 mm (0.51 to 0.71") when using Pg 21 cable gland (designated for mains)
8.1.4 Electrical fuse of the pump
2.0A slow-blow
8.2 Performance characteristics
8.2.1 Delivery rate
50 l/min (13.2 gal/min) at atmospheric pressure
8.2.2 Utilization interval
Max. 3 minutes cleaning, break of at least six times the cleaning time
8.3 Environment
8.3.1 Ambient temperature range
-10 to +55 °C (+14 to +131 °F)
8.3.2 Ingress protection
IP65
8.3.3 Overheat control
Automatic switch-off at T > 130 °C (266 °F) in the motor (winding sensor)

Endress+Hauser
Index
A
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Ambient temperature range . . . . . . . . . . . . . . . . 15
C
Cable specification . . . . . . . . . . . . . . . . . . . . . . . 15
Certificates and approvals . . . . . . . . . . . . . . . . . . . 6
Checking
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . 4, 11
Connection
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . 10
D
Declaration of conformity . . . . . . . . . . . . . . . . . . . 6
Degree of protection. . . . . . . . . . . . . . . . . . . . . . 15
Delivery rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
E
Electrical connection . . . . . . . . . . . . . . . . . . 10, 15
Electrical fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
I
Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Incoming acceptance . . . . . . . . . . . . . . . . . . . . . . 6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 4, 6, 8
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Installation instructions. . . . . . . . . . . . . . . . . . . . . 9
M
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Maintenance schedule . . . . . . . . . . . . . . . . . . . . 12
N
Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
O
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Operational safety. . . . . . . . . . . . . . . . . . . . . . . . . 4
Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Overheat control . . . . . . . . . . . . . . . . . . . . . . . . 15
P
Performance characteristics . . . . . . . . . . . . . . . . . 15
Post-connection check . . . . . . . . . . . . . . . . . . . . 11
Power consumption . . . . . . . . . . . . . . . . . . . . . . 15
Product structure . . . . . . . . . . . . . . . . . . . . . . . . . 6
R
Replacing the seal lip . . . . . . . . . . . . . . . . . . . . . . 13
Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
S
Safety icons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Switching on the unit . . . . . . . . . . . . . . . . . . . . . 12
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
T
Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Transmitter
Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
U
Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Utilization interval. . . . . . . . . . . . . . . . . . . . . . . . 15

BA438C/07/EN/13.11
FM+SGML 6.0