Endress+Hauser LT5 Manuale utente

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Operating Instructions

LT5

Float level gauge

9 0 1 0

2 0

3 0

4 0

5 0

6 0

7 0

8 0

BA01264G/00/EN/05.19

71470634

2019-12-20

LT5

2 Endress+Hauser

Order code:

Ext. ord. cd.:

Ser. no.:

www.endress.com/deviceviewer Endress+Hauser

Operations App

XXXXXXXXXXXX

XXXXX-XXXXXX

XXX.XXXX.XX

Serial number

A0023555

LT5 Table of contents

Endress+Hauser 3

Table of contents

1 About this document ................ 4

1.1 Document function ..................... 4

1.2 Symbols .............................. 4

1.3 Related documentation .................. 6

2 Basic safety instructions ............ 7

2.1 Requirements for personnel ............... 7

2.2 Designated use ........................ 7

2.3 Workplace safety ....................... 7

2.4 Operational safety ...................... 8

2.5 Product safety ......................... 8

3 Product description ................. 9

3.1 Designated use ........................ 9

3.2 Technical data ......................... 9

3.3 List of material specifications ............. 11

3.4 Delivery examples ..................... 12

4 Incoming acceptance and product

identification ..................... 13

4.1 Incoming acceptance ................... 13

4.2 Product identification .................. 13

4.3 Manufacturer contact address ............ 14

4.4 Storage and transport .................. 14

5 Installation ....................... 15

5.1 Installing LT5 ........................ 15

5.2 Installation preparation ................. 21

5.3 Tools ............................... 22

5.4 Welding for gauge supporter ............. 23

5.5 Guide pipe ........................... 25

5.6 Top anchor and anchor hook installation .... 27

5.7 Measuring tape and wire lengths .......... 28

5.8 List of sealing materials ................. 31

5.9 Inspection certificate ................... 32

5.10 General view of standard specifications and

order codes .......................... 33

5.11 Guide wire installation .................. 53

5.12 Measuring tape and measuring wire

installation .......................... 55

5.13 Liquid sealant for seal pot ............... 64

6 Setting ........................... 68

6.1 Dial display .......................... 68

6.2 Counter display ....................... 69

6.3 Indicator adjustment ................... 70

6.4 Handling precautions for water-filling/

airtightness tests and initial operation of the

gauge .............................. 75

7 Operation ......................... 76

7.1 Using a check handle ................... 76

7.2 Using a hoist handle ................... 76

8 Diagnostics and troubleshooting ... 79

8.1 General troubleshooting ................. 79

9 Maintenance ...................... 80

9.1 Maintenance work ..................... 80

9.2 Routine checks ........................ 81

9.3 Replacement of o-ring in the transmitter

(LT5-4/LT5-6) ....................... 82

9.4 Drive checker replacement (LT5-4/LT5-6) ... 83

10 Repair ............................ 85

10.1 General information on repairs ............ 85

10.2 Spare parts .......................... 85

10.3 Endress+Hauser services ................ 85

10.4 Return .............................. 86

10.5 Disposal ............................ 86

11 Accessories ....................... 87

11.1 Hoist handle ......................... 87

11.2 Seal pot ............................. 88

11.3 Gauge supporter ...................... 89

11.4 Guide pipe ........................... 91

11.5 Installation / enclosed accessories ......... 92

11.6 Anchor weight ........................ 93

11.7 Wire guide metal and wire guide socket ..... 94

Index .................................. 95

About this document LT5

4 Endress+Hauser

1 About this document

1.1 Document function

These Operating instructions contain all the information required during various phases of

the life cycle of the device: from product identification, incoming acceptance and storage,

to mounting, connection, operation and commissioning through to troubleshooting,

maintenance and disposal.

1.2 Symbols

1.2.1 Safety symbols

Symbol Meaning

DANGER

DANGER!

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in serious or fatal injury, as well as a risk of fire or explosion.

WARNING

WARNING!

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in a risk of serious or fatal injury, fire or explosion.

CAUTION

Note

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in a risk of minor or moderate injury and damages to property.

NOTICE

NOTE!

This symbol contains information on procedures and other facts that do not result in

personal injury.

1.2.2 Electrical symbols

Symbol Meaning

Direct current

Alternating current

Direct current and alternating current

Ground connection

A grounded terminal that, as far as the operator is concerned, is grounded via a

grounding system

Protective ground connection

A terminal that must be connected to the ground prior to establishing any other

connections

Equipotential connection

This connects with the grounding system at the plant. It includes equipotential line

and single-point ground systems, depending on the norms of each country or

company.

LT5 About this document

Endress+Hauser 5

1.2.3 Tool symbols

Symbol Meaning

A0013442

Torx screwdriver

A0011220

Flat-blade screwdriver

A0011219

Phillips screwdriver

A0011221

Allen key

A0011222

Hexagonal wrench

1.2.4 Symbols for certain types of information

Symbol Meaning

Permitted

Procedures, processes or actions that are permitted

Preferred

Procedures, processes or actions that are preferred

Forbidden

Procedures, processes or actions that are forbidden

Tip

Indicates additional information

Reference to documentation

Reference to page

Reference to graphic

Notice or individual step to be noted

… Series of steps

Result of operation or commissioning

Help in the event of a problem

Visual inspection

Operation via local display

Operation via operating tool

Write-protected parameter

About this document LT5

6 Endress+Hauser

1.2.5 Symbols in graphics

Symbol Meaning

1, 2, 3 ... Item numbers

… Series of steps

A, B, C, ... Graphics

A-A, B-B, C-C, ... Cross-sections

Hazardous area

Indicates a hazardous area

Safe area (non-hazardous area)

Indicates a non-hazardous area

1.2.6 Device symbol

Symbol Meaning

Safety instructions

Observe the safety instructions contained in the associated operating instructions.

Temperature resistance of the connection cables

Specifies the minimum value of the temperature resistance of the connection cables.

1.3 Related documentation

For an overview of the scope of the relevant technical documentation included with

the product, refer to the following:

The W@M Device Viewer: Enter the serial number from the nameplate

(www.endress.com/deviceviewer).

1.3.1 Technical information (TI)

Technical information contains all the technical data on the device and provides an

overview of the accessories and other products that can be ordered for the device.

Device Technical information

Float level gauge LT5 TI01167G

1.3.2 Operating instructions (BA)

Operating instructions contain all the information required during various phases of the

life cycle of the device: from product identification, incoming acceptance and storage, to

mounting, connection, operation and commissioning through to troubleshooting,

maintenance and disposal.

Operating instructions also contain detailed descriptions of each parameter in the

operation menu. These descriptions are targeted for those who work with the device over

its entire life cycle and perform specific commissioning.

Device Operating instructions

Float level gauge LT5 BA01264G

LT5 Basic safety instructions

Endress+Hauser 7

2 Basic safety instructions

2.1 Requirements for personnel

The personnel for installation, commissioning, diagnostics and maintenance must fulfill

the following requirements:

‣Be specialists who are trained and have a relevant qualification for this specific

function and task.

‣Be authorized by the plant owner-operator.

‣Be familiar with local/national regulations.

‣Before starting work, read and understand the instructions in the Operating

Instructions and supplementary documentation as well as the certificates (depending

on the application).

‣Follow instructions and comply with basic conditions.

The operating personnel must fulfill the following requirements:

‣Be instructed and authorized according to the requirements of the task by the facility's

owner-operator.

‣Follow the instructions in this manual.

2.2 Designated use

Application and measured materials

Depending on the version ordered, the device can also be used with potentially explosive,

flammable, poisonous or oxidizing materials.

Devices that are used in hazardous areas have corresponding labels on their nameplates.

To ensure that the device remains in proper condition for the operation time:

‣Only use the device in full compliance with the data on the nameplate and the general

conditions listed in the Operating Instructions and supplementary documentation.

‣Check the nameplate to verify if the device can be put to its intended use in hazardous

areas.

‣If the device is not operated at an atmospheric temperature, compliance with the

relevant basic conditions specified in the relevant device documentation is absolutely

essential.

‣Protect the device permanently against corrosion from environmental influences.

‣Observe the limit values in the "Technical Information".

The manufacturer is not liable for damage caused by improper or non-designated use.

2.3 Workplace safety

For work on and with the device:

‣Wear the required personal protective equipment according to local/national

regulations.

Basic safety instructions LT5

8 Endress+Hauser

2.4 Operational safety

Risk of injury!

‣Operate the device in proper technical conditions and fail-safe conditions only.

‣The plant owner-operator is responsible for interference-free operation of the device.

Modifications to the device

Unauthorized modifications to the device are not permitted and can lead to unforeseeable

dangers:

‣If modifications are nevertheless required, contact your Endress+Hauser Sales Center.

Repair

To ensure continued operational safety and reliability:

‣Carry out repairs on the device only if they are expressly permitted.

‣Observe local/national regulations pertaining to repair of an electrical device.

‣Use only original spare parts and accessories from Endress+Hauser.

Ex-area

Observe the following notes to eliminate the risk of danger to persons or the facility when

the device is used in Ex-areas (e.g. explosion protection, pressure equipment safety):

‣Check the model nameplate to ensure that the ordered device is explosion proof.

‣Observe the specifications in the separate supplementary documentation attached to

these Instructions.

2.5 Product safety

This device was designed in accordance with GEP (Good Engineering Practice) 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. It meets the general safety standards and legal requirements.

LT5 Product description

Endress+Hauser 9

3 Product description

3.1 Designated use

Float level gauge LT5 is an important measuring instrument in the process industry. The

structure does not require a power source and it is easy to install. Since it can be used for

high-precision liquid level measurement and remote indication detection, it is ideal for the

following operations:

• Management of inventory

• Batch processing

• Management of process tanks

• Safe tank operation

3.2 Technical data

Items Description

Measuring range 0 to 2.5, 5, 10, 16, 20, 30 m, 0 to 60 ft, 100 ft

Accuracy φ400 mm (15.75 in)

Float

±2 mm (0.08 in)

(Density limit 1 g/cm3 , measuring range 10 m (32.8 ft))

φ140 mm (140 in)

Float

±30 mm (1.18 in)

(Density limit 1 g/cm3, measuring range 10 m (32.8 ft))

Maximum operating pressure LT5-1 0 to 0.1961 bar/0.01961 MPa/2.84 psi

LT5-4 0 to 0.9807 bar/0.09807 MPa/14.22 psi

LT5-6 0 to 24.5 bar/2.45 MPa/355.25 psi

Operating temperature limits LT5-1 In contact with medium: –200 to 200 °C (–328 to 392 °F)

Body: –20 to 70 °C (–4 to 158 °F)

LT5-4/LT5-6 In contact with medium: –45 to 80 (–49 to 176)

Body: –20 to 70 °C (–4 to 157 °F)

Display LT5 Dial 2

Needle type or counter type (minimum readable scale: 1 mm)

Only the counter display is available for 30 m and 100 ft

Process connection LT5-1

(Threaded type, low-pressure

type)

Rp 1-1/2, w/o union nut, thread JIS B0203

Rc 1-1/2, union nut, SUS316, thread JIS B0203

NPT 1-1/2, union nut, SUS316, thread ANSI

LT5-1

(Flange type, low-pressure

type)

Flange spec./material

10K 40A RF, aluminum (AC4A), flange JIS B2220

10K 40A RF, SUS316, flange JIS B2220

NPS 1-1/2" Cl.150 RF, aluminum (AC4A) flange ASME B16.5

NPS 1-1/2" Cl.150 RF, SUS316 flange ASME B16.5

40A 150lbs RF, aluminum (AC4A), flange JPI 7S-15

40A 150lbs RF, SUS316, flange JPI 7S-15

10K 150A RF, SUS316, flange JIS B2220

NPS 6" Cl.150 RF, SUS316 flange ASME B16.5

150A 150lbs RF, SUS316, flange JPI 7S-15

LT5-4

(Flange type, medium-

pressure type)

Flange spec. / main body

material

10K 40A RF, aluminum (AC4CT6), flange JIS B2220

NPS 1-1/2" Cl.150 RF, aluminum (AC4CT6) flange ASME B16.5

40A 150lbs RF, aluminum (AC4CT6), flange JPI 7S-15

LT5-6

(Flange type, high-pressure

type)

Flange spec. / main body

material /

bolt material

10K 40A RF, iron, flange JIS B2220

NPS 1-1/2" Cl.150 RF, iron flange ASME B16.5

40A 150lbs RF, iron, flange JPI 7S-15

20K 40A RF, iron, flange JIS B2220

NPS 1-1/2" Cl.300 RF, iron flange ASME B16.5

40A 300lbs RF, iron, flange JPI 7S-15

Product description LT5

10 Endress+Hauser

Items Description

LT main body φ400 Low-pressure

type

Weight: 4.2 kg ρ: Density limit (g/cm3): 0.5 ≤ ρ < 0.65

Low-pressure

type

Weight: 5.0 kg ρ: Density limit (g/cm3): 0.65 ≤ ρ < 1.05

Low-pressure

type

Weight: 8.0 kg ρ: Density limit (g/cm3): 1.05 ≤ ρ < 2.0

High-pressure

type

Weight: 8.3 kg ρ: Density limit (g/cm3): 0.5 ≤ ρ < 0.7

LT main body φ140 Low-pressure

type

Weight: 2.1 kg ρ: Density limit (g/cm3): 0.5 ≤ ρ < 0.94

Low-pressure

type

Weight: 2.4 kg ρ: Density limit (g/cm3): 0.94 ≤ ρ < 2.0

Indicator coupling

(coupling between gauge head and

indicator)

LT5-1

(Threaded type, low-pressure

type)

Coupling: Penetration shaft

LT5-4

(Flange type, medium-

pressure type)

Coupling: Pressure bulkhead magnet coupling

LT5-6

(Flange type, high-pressure

type)

Coupling: Pressure bulkhead magnet coupling

Total weight LT5-1 (Threaded/flange type,

low-pressure type)

Approximately 8 kg

LT5-4 (Flange type, medium-

pressure type)

Approximately 22 kg

LT5-6 (Flange type, high-pressure

type)

Approximately 100 kg

Color Gauge head E+H Blue

Other components Silver

Choose either SUS316 or PVC as the material for low-pressure type.

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