Danfoss LLS 4000 Instructions d'installation et d'entretien
Installation guide/Quick start
Liquid Level Switch
Type LLS 4000 / LLS 4000U
148R9650
148R9650
© Danfoss | DCS (ms) | 2020.05 AN317523977313en-000201 | 1
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
SVA
REG
QDV
15
BSV
BSV
BSV
ICF 25-6-5A
EKE
347
AKS 4100
LLG
BSV
GD
SVA
SNV
SNV
SVA
SVA
LLG
SNV
SVA
SFA
+DSV
SVA
LLS 4000
SVA
SVA
SCA-X
RT
260A
RT
260A
SNV
SNV
SVA
SVA
SNV
SNV SNV
SVA
SCA-X
FIA
FIA
LLS 4000
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.
© Danfoss | DCS (ms) | 2020.052 | AN317523977313en-000201
Fig. 6
Fig. 3 Fig. 5
Fig. 4
LLS 4000
Weld connector
G ¾”
LLS 4000
Teflon (PTFE) tape
Torque (LLS 4000 only):
10 Nm/7.4 lb ft pre-tightening + 45 degrees
clockwise rotation
32 mm
LLS 4000U
Alu-gasket
Clean joining surfaces
Weld connector
Clean for particles
LLS 4000U
Weld connector
NPT ¾”
Note:
Horizontal installation
Recommended
NPT ¾”
G ¾”
45°
max
45 mm
1.8 in
min
25 mm
1 in
uninterrupted
hole size
no reduction
Note:
Vertical or inclined
installation not
recommended:
Risk of Gas Pockets
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Fig. 8
1
2
3
4
+ Red
- White
Green
Black
Relay: 30 V DC
200 mA
24 V DC +/- 25%
Hand-tighten clockwise
2
3
1
1
Fig. 7
Cable with M12 female connector
Red
Green
White
Black
1
2
3
4
Color code M12 cable
Danfoss M12 cables
034G7073, M12 cable female x 2 meter
034G7074, M12 cable female x 8 meter
Cables not included with LLS 4000/4000U
Note: Fasten the wire approx. 100 mm
from the LLS
© Danfoss | DCS (ms) | 2020.054 | AN317523977313en-000201
Red light LED
Yellow light LED
Green light LED
Fig. 9
Level
Open at no
Liquid
(Normally
Open)*
Closed at no
Liquid
(Normally
Closed)*
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
Not recommended in these applications because
1) A High Level Alarm may not be registered at a power failure
2) A Low Level Alarm may not be registered at a power failure
1)
2)
© Danfoss | DCS (ms) | 2020.05 AN317523977313en-000201 | 5
General specifications
Electrical data
Supply
24 V DC +/-25%, 80 mA
Standard power supply of type: SELV (Separated Extra Low Voltage)
with current limit of max. 8A.
Relay (Solid state)
Max 30 V DC, 200 mA.
Same power supply as to supply can be used.
Observe:
In applications with request for SIL2, another separate SELV power
supply may be needed.
Max. cycles: 1.000.000
Mechanical Data
Max. medium viscosity 5000 cps
Max. working pressure 65 bar (943 psi)
Ambient temperature range -40 °C to +65 °C (-40 °F to +149 °F)
Medium temperature range -50 °C to +120 °C (-58 °F to +248 °F)
Operating environment Pollution degree 3, altitude 2000 max., outdoor use
Connection type G ¾ in. or NPT ¾ in.
Weight 350 g (0.77 lbs.)
Approved media
Refrigerants
R717/NH (Ammonia): -50 °C to +105 °C (-58 °F to +221 °F)
R22: -50 °C to +86 °C (-58 °F to +187 °F)
R404A: -50 °C to +63 °C (-58 °F to +145 °F)
R410A: -50 °C to +61 °C (-58 °F to +142 °F)
R134A: -50 °C to +91 °C (-58 °F to +196 °F)
© Danfoss | DCS (ms) | 2020.056 | AN317523977313en-000201
2.80.78
3/4 NPT
H32
1.4
5.6
M12x1
0.77
0.6
Fig. 10
M12x1
G3/4
36
H32
71,32
34
2015
142,4
19,5
LLS 4000 (mm) LLS 4000U (in)
© Danfoss | DCS (ms) | 2020.05 AN317523977313en-000201 | 7
Configuration
LLS Bluetooth app download
Pin code: 0000
1
2
3
download
Search Danfoss
4
LLS 4000
ABCDEFGHIJKL
LLS______
123
LLS______ _
4 5 6
Configurable
LLS 4000
© Danfoss | DCS (ms) | 2020.058 | AN317523977313en-000201
Password: 12131400
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
For further documents (Data sheet, SIL2 safety manual etc.) scan this QR code:
Danfoss A/S, 6430 Nordborg, Denmark
www.danfoss.com
LLS 0 0 7
78
Read and apply safety instructions contained in product documentation.
Direct current.
General warnings/precautions
- Every use that is not described in this guide is considered incorrect and is not authorized by the manufacturer.
- The LLS device should only be used with approved media listed under General specifications. Use with other medias must be
validated by Danfoss before installation.
- Verify that the installation and operating conditions of the device respects those specified in this guide, especially concerning
the supply voltage and environmental conditions.
- 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.
LLS 0 0 7
78
LLS 0 0 7
78
22
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