Dwyer L6 User Manual [en, de, es, fr]

Bulletin E-20

Specifications - Installation and Operating Instructions

xplosion-Proof; UL and CSA Listed -

E
Class I, Groups *A, B, C, & D
Class II, Groups E, F & G
Directive 94/9/EC (ATEX) Compliant for

I 2 G Ex d IIC T6 Gb Process Temp≤75°C

I

ECEx Compliant for Ex d IIC T6 Gb Process Temp≤75°C

I

(Group A, stainless steel body only)

*

Model L6

Float Switch

PECIFICATIONS

S

ervice: Liquids compatible with

S

wetted materials.

Wetted Materials:

Float: Solid polypropylene or 304

SS.
Lower Body: Brass or 303 SS.
Magnet: Ceramic.

External Float Chamber (Tee):
Matches lower body choice of brass
or 303 SS.
Other: Lever Arm, Spring, Pin, etc.:

301 SS.

emperature Limit: -4 to 220°F (-20 to

T

05°C) Standard, MT high temperature

1
option 400°F (205°C)(MT not UL, CSA,
ATEX, IECEx and KC). ATEX compliant
AT, IECEx IEC and KC option ambient
temperature -4 to 167°F (-20 to 75°C)

rocess temperature: -4 to 220°F (-20

p

o 105°C).

t

ressure Limits: See next page.

P
Enclosure Rating: Weatherproof and

xplosion-proof. Listed with UL and

E

SA for Class I, Groups A, B, C and D;

C
Class II, Groups E, F, and G. (Group A
on stainless steel body models only).

0344 II 2 G Ex d IIC T6 Gb

Process Temp≤75°C.

C-Type Certificate No.: KEMA

E
04ATEX2128.
ATEX Standards: EN 60079-0: 2009;
EN60079-1: 2007.
IECEx Certified: For Ex d IIC T6 Gb
Process Temp≤ 75°C.

ECEx Certificate of Conformity:

I

ECEx DEK II.0039.

I
IECEx Standards: IEC 60079-00:
2007; IEC 60079-1: 2007.
Korean Certified (KC) for Ex d IIC T6

b Process Temp≤75°C.

G

TL Certificate Number: 2012-2454-

K

5.

7

witch Type: SPDT snap switch

S

standard, DPDT snap switch optional.
Electrical Rating: UL models: 5A @
125/250 VAC (V~). CSA, ATEX and

ECEx models: 5A @ 125/250 VAC

I

V~); 5A res., 3A ind. @ 30 VDC (V ).

(

V option: .1A @ 125 VAC (V~). MT

M
option: 5A @125/250 VAC (V~). [MT
option not UL, CSA, ATEX or IECEx].
Electrical Connections: UL models:
18 AWG, 18˝ (460 mm) long.

TEX/CSA/IECEx models: terminal

A

lock.

b

pper Body: Brass or 303 SS.

U
Conduit Connection: 3/4˝ male NPT

tandard, 3/4˝ female NPT on junction

s

ox models.

b
Process Connection: 1˝ male NPT on
models without external float chamber,
1˝ female NPT on models with external
float chamber.

ounting Orientation: Horizontal with

M

index arrow pointing down.
Weight: Approximately 1 lb (.5 kg)
without external float chamber, 1.75 lb
(.8 kg) with external float chamber.
Specific Gravity: See next page.

MT

Example

Series
Construction
Upper
Body Material
Lower
Body Material
Circuit (Switch)
Type
Line Size

Tee and Float
Options

Switch Options

Options

* Options that do not have ATEX, IECEx or KC.

L6L6EPEPB

B
S

B

B

S

3

B
S

S
D

3
4
5
6

0
A
B
C
H
L
S

MV
MT

L6EPB-B-S-3-B-MT level switch; brass upper housing, brass lower housing, brass tee with
Polypropylene spherical float, SPDT snap switch, and high temperature option
Series L6 level switch
Explosion proof and weatherproof
Brass
303 Stainless Steel
Brass
303 Stainless Steel
SPDT
DPDT
1˝ NPT
1-1/4˝ NPT (No tee models only)
1-1/2˝ NPT (No tee models only)
2˝ NPT
No Tee, Solid Polypropylene Spherical Float*
No Tee, 304 SS Cylindrical Float
Brass Tee, Solid Polypropylene Spherical Float*
No Tee, 304 SS Spherical Float
Brass Tee, 304 SS Spherical Float
303 SS Tee, 304 SS Spherical Float
303 SS Tee, Solid Polypropylene Spherical Float*
Gold Contacts on snap switch for dry circuits (see specifications for ratings)
High Temperature switch rated 400°F (205°C) (see specifications for ratings)*
ATEX approved construction (with JCT option standard)

AT

CSA approved construction (with JCT option standard)*

CSA

IECEx approved construction (with JCT option standard)

IEC

KC approved construction (with JCT option standard)

KC

Ground Lead*

GL

Customer Information on standard nameplate

ID

Weatherproof and explosion-proof junction box*

JCT

Weatherproof and explosion-proof junction box, left side

JCTLH

Terminal Block Connector*

TBC

Top Mounted (No tee models only)*

TOP

Attention: Units without
the “AT” suffix are not Di­rective 94/9/EC (ATEX)
compliant. These units are
not intended for use in po­tentially hazardous atmos­pheres in the EU. These
units may be CE marked
for other Directives of the
EU.

W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.

P.O. BOX 358 • MICHIGAN CITY, INDIANA 46360 U. S. A.

Phone: [phone] www.dwyer-inst.com
Fax: [phone] e-mail: [e-mail]

AXIMUM PRESSURE CHART

FRONT VIEW DETAIL SIDE VIEW DETAIL

CLAMP

SCREW

LOCKWASHER

CONDUCTOR

M

Model Number

L6EPB-B-S-3-A
L6EPB-B-S-3-B

6EPB-B-S-3-C

L

6EPB-B-S-3-H

L

6EPB-B-S-3-O

L

6EPB-S-S-3-A

L
L6EPB-S-S-3-C
L6EPB-S-S-3-L
L6EPB-S-S-3-O

6EPB-S-S-3-S

L

Float

Cylindrical SS
Polypropylene

ound SS

R

ound SS

R

olypropylene

P

ylindrical SS

C
Round SS
Round SS
Polypropylene

olypropylene

P

ressure Rating

P
psig (kg/cm

200 (13.8)
250 (17.2)

50 (24.1)

3

50 (17.2)

2

000 (69)

1

00 (13.8)

2
350 (24.1)
350 (24.1)
2000 (138)

000 (138)

2

ETTED MATERIALS CHART

W

2

)

Model

B-S-3-A
B
B
B
B

-S-3-B

-S-3-C

-S-3-H

-S-3-O

Brass

X
X
X
X

X
S-S-3-A
S-S-3-C
S-S-3-L

-S-3-O

S

-S-3-S

S

Bronze

X

X

Ceramic

X
X
X
X
X
X
X
X
X
X

Polypropylene

X

X
X

X
X

301SS

X
X
X
X
X
X
X
X
X
X

303SS

X
X
X
X

304SS

X

X

X
X
X

INSTALLATION

Unpack switch and remove any packing material found inside lower housing or float

hamber.

c

witch must be installed with body in a horizontal plane and arrow on side pointing

S
down.

If switch has an external float chamber (tee), connect it to vertical sections of 1˝ NPT
pipe installed outside vessel walls at appropriate levels. If unit has no external float

hamber, it must be mounted in a 1˝ NPT half coupling welded to the vessel wall.

c

he coupling must extend through the wall.

T

Inspect and clean wetted parts at regular intervals.

ELECTRICAL CONNECTIONS

onnect wire leads in accordance with local electrical codes and switch action re-

C

uired. N.O. contacts will close and N.C. contacts will open when liquid level causes

q

loat to rise. They will return to “normal” condition on decreasing liquid level. Black

f
= common, Blue = N.O. and Red = N.C.

For units supplied with both internal ground and external bonding terminals, the
ground screw inside the housing must be used to ground the control. The external
bonding screw is for supplementary bonding when allowed or required by local code.
When external bonding conductor is required, conductor must be wrapped a mini­mum of 180° about the external bonding screw. See below. Some CSA listed models
are furnished with a separate green ground wire. Such units must be equipped with
a junction box, not supplied but available on special order.

Note: ATEX, IECEx and KC units only: The temperature class is determined by the
maximum ambient and or process temperature. Units are intended to be used in

mbient of -20°C≤ Tamb ≤75°C. Units may be used in process temperatures up to

a

05°C providing the enclosure and switch body temperatures do not exceed 75°C.

1

he standard Temperature Class is T6 Process Temp ≤75°C.

T

Refer to Certificate No: IECEx DEK 11.0039 for conditions of safe use for IECEx
compliant units.

ll wiring, conduit and enclosures must meet applicable codes for hazardous areas.

A

onduits and enclosures must be properly sealed. For outdoor or other locations

C

here temperatures vary widely, precautions should be taken to prevent condensa-

w
tion inside switch or enclosure. Electrical components must be kept dry at all times.

CAUTION: To prevent ignition of hazardous atmospheres, disconnect the device
from the supply circuit before opening. Keep assembly tightly closed when in use.

AINTENANCE

M

nspect and clean wetted parts at regular intervals. The cover should be in place at

I
all times to protect, the internal components from dirt, dust and weather and to main­tain hazardous location ratings. Disconnect device from the supply circuit before
opening to prevent ignition of hazardous atmosphere. Repairs to be conducted by
Dwyer Instruments, Inc. Units in need of repair should be returned to the factory pre­paid.

EC-Type Certificate IECEX and KC Installation Instructions:
Cable Connection

The cable entry device shall be certified in type of explosion protection flameproof
enclosure “d”, suitable for conditions of use and correctly installed. For Ta ≥ 65°C
cable and cable gland rated ≥ 90°C shall be used.

Conduit Connection

An Ex d certified sealing device such as a conduit seal with setting compound shall
be provided immediately to the entrance of the valve housing. For Ta ≥ 65°C wiring
and setting compound, in the conduit seal, rated ≥ 90°C shall be used.

MODEL L-6 FLOAT SWITCH — DIMENSION DRAWINGS

Ø1 [25.40]

1

MALE NPT

3/4 MALE NPT

CO

C

ON

Ø

1

[Ø25.40]

F

LOAT

1

MALE NPT

1

-27/32

[

46.83]

1

-1/16

[

26.99]

6-1/2

[165.10]

Ø1-1/16

[

Ø26.99]

3

/4 MALE

N

PT CONDUIT

CONNECTION

Ø1 [25.40] x 2 [50.80]
LONG FLOAT

1 MALE NPT

2-7/8

[73.03]

1-1/16

[26.99]

6-1/2

[165.10]

Ø1-1/16

[26.99]

3/4 MALE NPT

CONDUIT

CONNECTION

3-5/64

[78.18]

1-9/64

[28.97]

2 [50.80]

HEX

8-9/16

[217.49]

Ø1-1/16

[26.99]

3/4 MALE NPT

CONDUIT

CONNECTION

1 FEMALE NPT
TYP 2 PLACES

3-1/2

[88.90]

4-3/8

[111.13]

Ø3-11/32

[84.93]

4-1/4 [107.95]

2-15/16
[74.63]

25/32

[19.86]

Ø3-3/8
[85.73]

3

CON

SPDT DPDT

olypropylene Float

P

ound Stainless Steel Float

R

Cylindrical Stainless Steel Float With External Chamber (Tee)

Terminal Connections CSA, ATEX Enclosures

CSA, ATEX Conduit Enclosure

imited Warranty: The Seller warrants all Dwyer instruments and equipment to be

L

ree from defects in workmanship or material under normal use and service for a period

f

f one year from date of shipment. Liability under this warranty is limited to repair or

o
replacement F.O.B. factory of any parts which prove to be defective within that time or
repayment of the purchase price at the Seller’s option provided the instruments have
been returned, transportation prepaid, within one year from the date of purchase. All

echnical advice, recommendations and services are based on technical data and in-

t

ormation which the Seller believes to be reliable and are intended for use by persons

f

aving skill and knowledge of the business, at their own discretion. In no case is Seller

h

iable beyond replacement of equipment F.O.B. factory or the full purchase price. This

l
warranty does not apply if the maximum ratings label is removed or if the instrument
or equipment is abused, altered, used at ratings above the maximum specified, or oth­erwise misused in any way.

HIS EXPRESS LIMITED WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER

T

EPRESENTATIONS MADE BY ADVERTISEMENTS OR BY AGENTS AND ALL

R

THER WARRANTIES, BOTH EXPRESS AND IMPLIED. THERE ARE NO IMPLIED

O
WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PUR­POSE FOR GOODS COVERED HEREUNDER.

uyers Remedies: THE BUYER’S EXCLUSIVE AND SOLE REMEDY ON ACCOUNT

B

F OR IN RESPECT TO THE FURNISHING OF NON-CONFORMING OR DEFEC-

O

IVE MATERIAL SHALL BE TO SECURE REPLACEMENT THEREOF AS AFORE-

T
SAID. THE SELLER SHALL NOT IN ANY EVENT BE LIABLE FOR THE COST OF
ANY LABOR EXPENDED ON ANY SUCH MATERIAL OR FORM ANY SPECIAL, DI­RECT, INDIRECT OR CONSEQUENTIAL DAMAGES TO ANYONE BY REASON OF

HE FACT THAT IT SHALL HAVE BEEN NON-CONFORMING OR DEFECTIVE.

T

W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.

P.O. BOX 358 • MICHIGAN CITY, INDIANA 46360 U. S. A.

Phone: [phone] www.dwyer-inst.com
Fax: [phone] e-mail: [e-mail]

Bulletin E-20

Modèle L6

Détecteur de niveau

Spécifications - Installation et mode d’emploi

SPÉCIFICATIONS

tilisation : Gaz ou liquides compatibles

ntidéflagration et étanche ; homologué UL et CSA-

A
Classe I, Groupes *A, B, C, et D
Classe II, Groupes E, F et G
Conforme à la Directive 94/9/EC (ATEX) en ce qui concerne

I 2 G Ex d IIC T6 Gb Temp. de fonctionnement ≤75°C

I

onforme aux exigences IECEx pour Ex d IIC T6 Gb Temp. de fonction-

C

ement ≤ 75°C.

n

(Groupe A, corps en acier inox uniquement)

*

Exemple

L6L6EPEPB

B

MT

S

B

3

Détecteur de niveau L6EPB-B-S-3-B-MT, corps supérieur en laiton, corps inférieur en laiton, té en laiton

U

avec les matériaux mouillés.

Matériaux mouillés :

lotteur : en propylène expansé rigide

F

ou en acier inox 304.

Corps inférieur : laiton ou inox 303.
Aimant : Céramique.
Chambre externe à flotteur (té) :

en laiton ou en acier inox 303 selon le

type de corps inférieur choisi.

Autre : bras de levier, ressort,

oupille, etc. : acier inox 301.

g

Températures limites : de -20 à 105° C

-4 à 220° F) en standard, Option MT

(
haute température 205° C (400° F) (MT
non homologuée UL, CSA, ATEX, IECEx

t KC). AT conforme aux exigences

e
ATEX, option température ambiante : de -

0 à 75°C (-4 ° à 167° F) et température

2
de fonctionnement : de -20 à 105°C (-4° à
220° C) conformes aux exigences IECEx

e la CEI et KC.

d

Pressions limites : Voir page suivante.

ndice de protection : Antidéflagration et

I

tanche. Normes UL et CSA pour classe

é
I, groupes A, B, C et D ; classe II, groupes
E, F et G. (groupe A pour les modèles

vec corps en acier inoxydable

a
uniquement).

0344 II 2 G Ex d IIC T6 Gb Temp.

e fonctionnement ≤75°C.

d
Certificat CE n° : KEMA 04ATEX2128.

ormes ATEX : EN 60079-0: 2009;

N
EN 60079-1: 2007.
Certifié IECEx : pour Ex d IIC T6 Gb

emp. de fonctionnement≤75°C.

T
Certificat de conformité IECEx : IECEx
DEK II.0039.

avec flotteur en polypropylène, interrupteur à action rapide SPDT et option haute température

Série
Fabrication
Matériau du corps
supérieur
Matériau du corps
inférieur
Type
circuit (interrupteur)
Taille de la ligne

Options
Té et flotteur

Options du détecteur de niveau

Options

B
S

B
S

S
D

3
4
5
6

0
A
B
C
H
L
S

MV
MT

Détecteur de niveau série V6
Antidéflagration et étanche
Laiton
Acier inox 303
Laiton
Acier inox 303
Interrupteur SPDT
Interrupteur DPDT
1˝ NPT
1-1/4˝ NPT (sur modèles sans té uniquement)
1-1/2˝ NPT (sur modèles sans té uniquement)
2˝ NPT
Sans té, flotteur sphérique en polypropylène expansé rigide*
Sans té, flotteur cylindrique en acier inox 304
Té en laiton, flotteur sphérique en polypropylène expansé rigide*
Sans té, flotteur sphérique en acier inox 304
Té en laiton, flotteur sphérique en acier inox 304
Té en acier inox 303, flotteur sphérique en acier inox 304
Té en acier inox 303, flotteur sphérique en polypropylène expansé rigide*
Contacts en or sur l’interrupteur à activation rapide pour les circuits secs (voir spécifications pour cotes)
Capteur haute température 205°C (voir spécifications pour les cotes)*
Fabrication approuvée par ATEX (avec option JCT en standard)

AT

Fabrication approuvée par le CSA (avec option JCT en standard)*

CSA

Fabrication approuvée IECEx (avec option JCT en standard)

IEC

Fabrication approuvée par la certification KC (avec option JCT en standard)

KC

Câble de mise à la terre*

GL

Information client sur plaque standard

ID

Boîtier de jonction antidéflagration et étanche*

JCT

Boîtier de jonction antidéflagration et étanche, côté gauche

JCTLH

Connecteur bloc à bornes*

TBC

Monté sur la partie supérieure (sur modèles sans té uniquement)*

TOP

* Options qui ne sont pas homologuées ATEX et IECEx ou KC.
Attention : Les unités qui ne comportent pas le marquage « AT » ne satisfont pas aux exigences de la Directive 94/9/EC (ATEX). Ces unités ne sont pas conçues pour une utilisation
en atmosphères potentiellement dangereuses au sein de l’Union Européenne. Ces unités peuvent être estampillées CE pour d’autres Directives de l’Union Européenne.

ormes IECEx : IEC 60079-00: 2007;

N

IEC 60079-1: 2007.
Certification coréenne (KC) : Ex d IIC T6

b Température de fonctionnement ≤75°

G
C (167° F).

uméro de certificat KTL : 2012-2454-75.

N

Type d’interrupteur électrique :

interrupteur à action rapide SPDT en

tandard, interrupteur à action rapide en

s
option.

aractéristiques électriques : modèles

C

L : 5A @125/250 Vca (V~). Modèles

U
CSA, ATEX et IECEx :

A @ 125/250 Vca (V~); 5A résistif.,

5
3A inductif. @ 30 VDC (V). Option MV :
.1A @ 125 Vca (V~). Option MT :

A @125/250 Vca (V~). (Option MT non

5
homologuée UL, CSA, ATEX ou IECEx).

accordements électriques : modèles

R

UL : 1 mm², 460 mm. Modèles CSA,
ATEX et IECEx : connecteur bloc à

ornes.

b

Corps supérieur : laiton ou inox 303.

accord des conduits : mâle 3/4˝ NPT

R

tandard, femelle 3/4˝ NPT sur les

s
modèles boitier de jonction.
Raccordement : raccord mâle 1˝ NPT

ur modèles sans chambre externe à flot-

s
teur, raccord femelle 1˝ NPT sur modèles
avec chambre externe à flotteur.

rientation de montage : montage à

O

l’horizontal avec flèche d’index pointant

ers le bas.

v
Poids : Environ .5 Kg sans chambre
externe à flotteur et .8 Kg avec chambre

xterne à flotteur.

e

Densité : Voir page suivante.

W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.

P.O. BOX 358 • MICHIGAN CITY, INDIANA 46360 ÉTATS-UNIS.

Téléphone : 219/879-8000 www.dwyer-inst.com
Fax : [phone] e-mail : [e-mail]