Danfoss LLS 4000 Bedienungsanleitung

Installation guide/Electronic part replacement (non-SIL devices only)

Liquid Level Switch

Type LLS 4000 / LLS 4000U

148R9652

M12 male Electrical

connector

Heat sink (do not cover)

Mechanical part Electronic part

Hexagon 32 mm

Liquid sensing part

Process connection

G ¾” or ¾” NPT

Fig. 1

Fig. 2

Warning! This is a Class A device. This

device may cause radio interference in

residential areas. In case of interference,

the operator may be required to take

appropriate measures. This instrument

has to be mounted on a metallic tank.

The device is intended to be used in

industrial areas.

O-ring

Cover disassembled LLS

to avoid any access of

particles, moisture or

dirt

Fig. 5 Fig. 4

Fig. 3

If any damage to the O-ring

replace it carefully by use of

appropriate O-ring tooling

Hand-tighten clockwise until O-ring is

compressed and mechanical stop is reached

(max torque 5 Nm/3.7 lb ft)

Hand-tighten

clockwise

Fig. 6

Red light LED

Yellow light LED

Green light LED

Level LLS 4000/4000U

NO mode*

LLS 4000/4000U

NC mode*

Voltage

connected Level detection LLS 4000/4000U

Fault

Green LED Yellow LED Red LED

High Level

sensor

High Level

sensor

Low Level

sensor

Low Level

sensor

Voltage supply

outside

spec.

–

LLS 4000/4000U

fault** –***

Green LED ON Yellow LED ON Red LED ON

Green LED Flashing.

LLS 4000/4000U

connected to

Bluetooth device

* Conﬁguration dependent. Non-SIL2 fully conﬁgurable. SIL2 ﬁxed conﬁguration and only applicable for High Level sensor

** For failure types please connect the device to the Bluetooth App, enter fault state mode, and read the failure type

*** Fault can be detected at any detected level, ie. 2 or all 3 lights on

SIL2 ﬁxed

conﬁguration

Conﬁguration

LLS Bluetooth app download

Pin code: 0000

download

Search Danfoss

LLS 4000

ABCDEFGHIJKL

LLS______

123

LLS______ _

4 5 6

Conﬁgurable

LLS 4000

Password: 121314

In Service menu a unique

password for Service menu

can be entered.

- Go to menu upper right

- Go login

- Go to settings

- Go to Service Password

- Enter new Service Password

Conﬁguration continued

Calibration (To be performed after replacement of Electronic part and always with LLS sensor head in gas phase)

Calibration can only be done while

the LLS device is in gas

LLS 0 0 7

For further documents (Installation guide, Data sheet, etc.) scan this QR code:

Danfoss A/S, 6430 Nordborg, Denmark

www.danfoss.com

Read and apply safety instructions contained in product documentation.

General warnings/precautions

- Instructions in this document should only be used for electronic part replacement. For device installation refer to

Installation guide/Quickstart document.

- LLS4000/U electronic part replacement is not allowed on SIL device version.

- LLS4000/U electronic part should only be used as spare part of LLS4000/U liquid level switch.

- Every use that is not described in this guide is considered incorrect and is not authorized by the manufacturer.

- If any changes regarding installation, media or operating conditions of the device have been done then refer to

Installation guide/Quickstart document and verify respect of speciﬁed values.

- All service and maintenance operations must be performed by qualiﬁed personnel.

- Installation must comply with local standards and legislation.

- Before carrying out any maintenance operations on the device, disconnect the device from the main power supply.

- Before unscrewing the LLS device from the pipe or tank ensure that pipe or tank is empty and not under pressure.

- Liability for injury or damage caused by incorrect use of the device lies solely with the user.

- Depending on the application, the metallic part of the instrument may be hot or cold.

- If media detection or non-detection by the level switch could generate a hazard the SIL version and speciﬁc instructions described

in the safety manual (periodic proof test) should be used. The SIL safety manual can be downloaded from Danfoss web site or by

scanning the QR code below.

Direct current.

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