Seiwa LZWA1404 User manual

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INSTRUCTION MANUAL
11E0200609B11
2022/04/15
LZWA EXPLOSION PROOF TYPE LED LIGHTING FITTINGS
Thank you very much for purchasing our EXPLOSION PROOF TYPE LE LIGHTING FITTINGS
Be sure to
follow the
instructions.
Be sure to
turn off the
power
Disassembly
& conversion
prohibited.
Don't use
near a water
source.
Be careful
of ignition.
Be sure to
ground. Prohibited. Don't touch. Caution
The product should be mounted properly according to the instruction manual, on a surface robust enough to
support its weight.
Improper installation might cause fall of the product, an electric shock or injury.
WARNING
The type of protection of this product is as follows:
The product should be used within an ambient temperature range of -25ºC to +55ºC.
T6 (Gas), T85℃ (Dust) : -25℃ ≤ Ta ≤ +45℃
T5 (Gas), T100℃ (Dust) : -25℃ ≤ Ta ≤ +55℃
If the ambient temperature is out of the range, an explosion or fire might result.
Usable in hazardous areas of zone 1 , zone 2 , zone 21 and zone 22 where there is explosive atmospheres.
The product should be of the flameproof type suitable for each hazardous area.
Use of an unsuitable product might cause an explosion or fire.
For electrical connection, be sure to connect the wires in the terminal box securely using crimp-type
terminals, etc. and conduct insulation treatment. An inadequate connection or inadequate insulation might
cause a contact failure, leading to an explosion, fire or electric shock.
Ex db eb ⅡB＋Ｈ
２
Ｔ６...Ｔ５ Gb
Ex tb ⅢC T85℃...T100℃ Db
T6 (Gas), T85℃ (Dust) : -25℃ ≤ Ta ≤ +45℃
T5 (Gas), T100℃ (Dust) : -25℃ ≤ Ta ≤ +55℃
(IP66)
IEC60079-0:2017 Ed7
IEC60079-1:2014 Ed7
IEC60079-7:2017 Ed5.1
IEC60079-31:2013 Ed2 IECEx NEP 22.0002X
Safety Precautions
- Prior to use, please read this instruction manual carefully to use the product properly.
- After installing the product according to this manual, be sure to hand it over to the user of the product.
- Please ask the user to keep the manual in a handy place for later reference.
●Various marks have the following meanings:
Warning: Improper handling may lead to human death or serious bodily injury.
Caution: Improper handling may lead to bodily injury or property damage.

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CAUTION
To ensure brightness and safety, carry out cleaning and inspection periodically.
If you find a problem, stop using he product and have it repaired by a specialist.
Never touch the lamp and its surroundings while it is on or just after it is turned off.
The lamp and its surroundings are very hot. An accidental touch might burn yourself.
Don’t use the product at a voltage other than the voltage indicated on the nameplate. The voltage variation
should be within ±6% of the rating. Otherwise a damage, fire or electric shock might result.
Don’t use the product at a frequency other than the local power supply frequency (50 or 60 Hz).
A wrong frequency might cause a fire.
The product should be installed by a qualified person.
Installation by an unqualified person is legally prohibited.
Because this product is painted non-metallic coating , please refer to the note below.
・Avoid friction ・No dry cleaning ・Do not mount in areas with flowing, non-conductive products
WARNING
When leading the power cable into the product, be sure to follow the technical standards for electrical equipment and
the guide for the explosion protection of factory electrical equipment. Inadequate cable connection or poor
waterproofing might cause an explosion, fire or electric shock.
In grounding work, follow the technical standards for electrical equipment and the guide for the explosion protection of
factory electrical equipment. Inadequate grounding might cause an explosion, fire or electric shock.
Don’t convert the product.
Conversion might cause fall of the product, an explosion, fire or electric shock.
The non-metallic coating is painted on the surface of the product and the non-metallic label is attached on the surface
of the product, electrostatic charge may cause an explosion hazard. Avoid any actions that cause the generation of
electrostatic charge, such as rubbing with a dry cloth on coating surface of the product.
Don’t cover the product with an inflammable material such as cloth or paper nor put anything in the product. Such a
material or thing might cause an explosion or fire.
For outdoor use, waterproof the screw connections and the entries of the terminal box to prevent rainwater
infiltration. For the stanchion type, waterproof the screw connections of the stand pole to prevent rainwater
infiltration. Inadequate waterproofing might cause a fire or electric shock.
Don’t open or loosen any part unless necessary. Confirm that the screws, bolts and the like are fastened tightly. A
loose part might cause an explosion, fall, fire or electric shock.
Prior to maintenance or inspection, be sure to turn off the power and wait at least ten minutes before opening the
enclosure. An explosion, fire or electric shock might result.
If you continue to use the product in an abnormal condition (smoke, odor, etc.), an explosion, fire or electric shock
might result. If you detect an abnormality, immediately turn off the power switch. Confirm that the abnormal condition
has been eliminated and have it repaired by a specialist.
The components once removed for cleaning or maintenance should be replaced properly according to the instruction
manual. An incorrectly placed component might cause an explosion or fall, resulting in an injury or property damage.

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Model LE Wattage Input Voltage
(AC)
Input Current
(AC)
Input
Wattage
LZWA1404 48 W
220-240V
0.27A 59W
LZWA1403 36W 0.21A 46W
■Prior to use
(1) Prior to installation, check if the product is as per your order.
(2) Check for a loose or damaged part due to an accident in transit, etc.
Start of Use
■Performance of the product
(1) The electrical characteristics of the product are as follows:
Assembly and Installation
Use
■ The LE s are turned on by applying the rated voltage to the power line of the product.
■ Install the product properly following the instruction manual.
(1) Attach the mounting bracket on the mounting
surface firmly.
(2) Cant the fitting to 90 °
(3) Open the terminal box cover and connect the
power wires (white and black) and grounding
wire(green) inside the terminal box properly.
（Connection method is that the reference to the
following P.6.）
※The internal earthing conductor should be
mounted and secured at other wires to prevent
the twisting
(4) Secure the terminal box cover with bolts with
seal washers.
At that time, be sure to install the packing bonded
to the terminal box cover.
■Cautions in connection to the terminal box
For the cable gland, be sure to use a certified Ex
component.( Entry size:NPT3/4)
2- Mounting
Holes (dia. 9)
Terminal
Box Cover
Mounting
Bracket
Entry,size:NPT3/4
Entry,size:NPT3/4
Variable angle type (LZWA14041,LZWA14031)

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(1) In cleaning the fitting, gently wipe with water or mild detergent. on’t use thinner, benzene or alkaline detergent.
Such chemicals might cause discoloration or deterioration in quality and strength, resulting in a damage.
(2) Prior to maintenance, be sure to turn off the power.
(3) Conduct inspection properly referring to the table below.
(4) If a repair is needed, consult us.
Maintenance
Tighten the bolts until the seal washer is flat.
(Recommended torque value: 4.2 Nm)
(5) Adjust the angle of the fitting using the mounting
bracket.
※The product is mounted on a ceiling. The lamp
house is installed within an angle range from 0 to
70 degrees in the left and right directions. For
angle adjustment, loosen the two hexagon socket
head bolts on the retainer. After adjustment, be
sure to tighten the hexagon socket head bolts.
(6) According to the left figure, it should be grounded
the external ground reliably.
※The external earthing conductor should be
mounted and secured at other wires to prevent
the twisting
Grounding sign
Cross recessed pan head screw
M4×8 (SUS304)
(screw+spring washer+plain washer)
Crimping terminal
R5.5-4 (Oxygen-free copper (Tin-plated))
Tooth lock washer
M4 (SUS304)
Hexagon socket head bolt
M6×14 (SUS304)
Seal washer

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Check Point Inspection Confirm: Remedy
Appearance
Visual
-
No rust
- No scratches
-
Clean.
- Anticorrosion
treatment
Bolts/screws
Visual, Tactile
-
No loose parts
- No rust
-
Retighten.
- Clean.
Gaskets, etc.
Visual
-
No cracks
- No serious deformation
-
Replace.
Cable entry
Visual, Tactile
-
No damage or degradation
- No loose parts
-
Replace.
- Retighten.
Joints
Visual, Tactile
-
No loose parts
- No stained insulator
-
Retighten.
- Clean.
Temperature rise
Thermometer,
Tactile
-
The
surface temperature
should be not more than
80°C.
-
Investigate the
cause.
- Turn off the
power.
■ Never disassemble the product.
※the flameproof joints are not intended to be repaired.
Disassembly
①Prior to installation, be sure to turn off the power.
②Confirm that the screws and bolts are fastened properly and tightly.
③When installing the fitting, be sure to connect external wires inside a specified part of the fitting. on’t open any other part.
④The ambient temperature should be within the range of -25 ºC to +55ºC.
T6 (Gas), T85ºC ( ust) : -25ºC ≤ Ta ≤ +45ºC
T5 (Gas), T100ºC ( ust) : -25ºC ≤ Ta ≤ +55ºC
⑤The supply voltage variation should be within ±6% of the rating.
⑥The lighting fitting must be used in a location where it can be used safely according to its flameproof protection type (indicated
on the body).
⑦Be sure to use certified Ex components to plug the entries of the terminal box which are not used.
⑧For the cable gland, be sure to use a certified Ex component.
⑨Be sure to use Ex component certified products and cables which are suitable for the operating temperature range, referring
to the following.
-25ºC ≤ Ta ≤ +45ºC
Plug: -25 ºC to +75ºC Cable gland: -25 ºC to +75ºC Cables: -25 ºC to +75ºC
-25ºC ≤ Ta ≤ +55ºC
Plug: -25 ºC to +85ºC Cable gland: -25 ºC to +85ºC Cables: -25 ºC to +85ºC
⑩The accessory plug can be used up to ambient temperature +50 ℃.
⑪Confirm that the fitting is adequately grounded.
⑫Prior to maintenance or inspection, be sure to turn off the power.
⑬on’t use the product in a corrosive gas atmosphere which contains hydrochloric acid, high-concentration chlorine gas or the
like.
⑭To prevent shortening of the service life, avoid turning on the fitting in direct sunlight.
⑮To avoid noise or malfunctioning, don't use a radio, television or wireless infrared remote control near the fitting.
⑯After turning off the power, wait at least ten minutes before opening the main body. An explosion might result.
⑰The product must be mounted on a sturdy wall or structure which is virtually vibration-
free and less susceptible to damage.
Otherwise, it might fall or be damaged.
⑱Locking bolts of strength class A2-50 are used on the main body. Never remove them. A fire, electric shock or explosion might
result.
⑲The product must be installed so that the angle of the fitting is within a prescribed range from its downward oriented position
(0°). If the angle is out of the range, an insulation failure or electric shock might result.
---Special condition for safe use---
①Repairs of the flameproof joints may only be made by the manufacturer or on behalf of the manufacturer and on his own
responsibility. Repair in compliance with the values in IEC 60079-1 is not accepted.
CAUTIONS

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Head Office 36 Shinike, Terada, Joyo, Kyoto Pref. 610-0192 Japan
Phone [phone] Fax [phone]
Tokyo Branch Yanagibashi First Bldg., 2-19-6 Yanagibashi, Taito-ku, Tokyo 111-0052 Japan
Phone [phone] Fax [phone]
BANGKOK REP. OFFICE 2 Jasmine City Building, 17th Floor, Sukhumvit Soi 23 (Prasarn Mitr),
Sukhumvit Road, Klongtoey Nue, Wattana, Bangkok 10110 Phone [phone]
CHINA OFFICE No.8,Xuzhou Road,Changshu,Jiangsu 215500,China
Phone [phone]
CONTACT
SEIWA ELECTRIC MFG. CO.,
LT .
■For further information on the product, contact our offices below (let us know the model name indicated on
the nameplate).

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