EA01262F/00/EN/06.23-00
71625566
2023-08-31

Products

Solutions

Installation Instructions
Cable gland M20x1.5
Gammapilot, Liquiphant, Micropilot
Cerabar, DeltabarServices

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1

Intended use• A defective unit can only be replaced with a functioning unit of the same type.
• Use only original parts from Endress+Hauser.
• Check in the W@M Device Viewer if the spare part is suitable for the existing measuring
device.
In some measuring devices, an overview of spare parts is provided inside the device. Ifthe spare part set is listed in the overview, it is not necessary to check the Device Viewer.

www.endress.com/deviceviewer
Ser. No.: 12345...

Order code

Description==

2

Personnel authorized to carry out repairs

Technical staff must comply with the following requirements for repair, mounting, electricalinstallation and commissioning of the measuring devices:• Specialized technical staff must be trained in instrument safety.
• They must be familiar with the individual operating conditions of the devices.
• In the case of Ex-certified measuring devices, they must also be trained in explosion
protection.
Technical staff carrying out work are responsible for ensuring that the work is carriedout safely and to the required quality standard. They must also guarantee the safety ofthe device following repair.

3Safety instructions• Comply with national regulations governing mounting, electrical installation,commissioning, maintenance and repair procedures.
• Device is live! Risk of fatal injury from electric shock. Open the device only when the device
is deenergized.
• For devices intended for use in hazardous locations, please observe the instructions in theEx documentation (XA).
• In the case of devices in safety-related applications in accordance with IEC 61508 orIEC 61511: Commission in accordance with Operating Instructions after repair.
2Endress+Hauser

EA01262F• Before removing the device: set the process to a safe state and purge the pipe of dangerous
process substances.
• Risk of burns from hot surfaces! Before commencing work: allow the system and device tocool down to a touchable temperature.
• In the case of devices in custody transfer, the custody transfer status no longer applies oncethe seal has been removed.
• Observe the Operating Instructions for the device.
• Risk of damage to electronic components! Ensure you have a working environment
protected from electrostatic discharge.
• After removing the electronics compartment cover: risk of electrical shock due to missing
touch protection!
Switch the device off before removing internal covers.
• Modifications to the device are not permitted.
• Only open the housing for short periods. Avoid ingress of foreign bodies, moisture orcontaminants.
• Replace defective seals only with original seals from Endress+Hauser.
• If threads are damaged or defective, the device must be repaired.
• Do not lubricate threads (e.g. of electronics compartment cover or connection compartment
cover).
• If spacing is reduced or the dielectric strength of the device is not guaranteed during repair
work, perform a test on completion of the work (e.g. high-voltage test in accordance withthe manufacturer's instructions).
• Service connector:• Do not connect in potentially explosive atmospheres.
• Only connect to Endress+Hauser service devices.
• Observe the instructions for transporting and returning the device outlined in the OperatingInstructions.
Contact Endress+Hauser Service if you have questions: www.addresses.endress.com

4Tool list

4 mm

Size 1Size 1

Metal: 24 mm
Plastic: 25 mm

Only for FTL51B with LED module:

Endress+Hauser

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5Housing version
1123
423

4

Dual-compartment housing
Dual-compartment housing, L-form
Single-compartment housing
Single-compartment housing, 316L stainless steel, hygienic

6Removal

Removal of the cable gland is the same for all devices and housing types.
• Optional: cover lock, display• For Liquiphant with single-compartment housing and Bluetooth module or LED module:
Removal of the Bluetooth module or LED module is described separately.

6.1

Dual-compartment housing (not L-form)

6.1.1

Removing the cover

1→42

44 mm
2x2x

1.

0.7 NmNm
0.7

2.

Endress+Hauser

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6.1.2

Removing the cable gland

1→

2→

3

2.

24/25
25

24/25
25

1.

1.
2.

1.

2.

6.2

Single-compartment housing and dual-compartment housing, Lform

6.2.1

Removing the cover

1→

2→

3→

2.

4

4
7x2x

1.
0.7 Nm‣ Optional: cover lock

0.7 Nm‣ Optional: cover lock on singlecompartment housing, 316L
hygiene4

2.

1.

Endress+Hauser

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6.2.2

Optional: Removing the display

1→2

1.
2.

6.2.3

Removing the cable gland

1→2→

3

2.

24/25
25

24/25
25
1.
2.

1.
2.

1.

6.3

Optional: Removing the Bluetooth module

1→2→

3

2.

1.

6

Endress+Hauser

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6.4

Optional: Removing the LED module

1→2→

3

2.

1.

1.
2.

6.5

Optional: Removing the VU140 transmitter• For customer wiring: step 1, 2, 3
• For M12: step 2, 3
1→2→3

1.

12

3

4

5

6

7

8

2.

7

Installation

7.1

General installation instructions

Installation is performed by following the removal procedure in reverse order.

Endress+Hauser

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7.2

Special installation instructions
Please note the following:

1→

2→

3→

24/25
25
3.75 Nm
24/25
25

424
25
12 Nm
3.75Nm‣ Optional: cable gland 316L
hygieneNote the following in the case of the single-compartment housing with LED module:
1→

2→

3+ –+ –

8

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Note the following when installing the LED module or Bluetooth module:
1→

2

For remote display FHX50B: pay attention to terminal assignment
The terminal assignments on the VU140 transmitter and VU141 receiver must match(all terminals (1 to 8)). Connect the cable shield to the ground terminals on both sides.

11 2 3 4 5 627 8

1 2 3 4 5 6 7 8

127.3

Transmitter VU140
Receiver VU141

Cover lockIn the case of devices with a cover lock, the securing screw must not protrude over the lower
edge of the cover. Note the position of the securing screw before and while screwing the coveron.

Endress+Hauser

9*71625566*71625566

www.addresses.endress.com