Dahua DH-EPC PTZ Series User manual

Doc No.:DH/QP-03-13-DH-EPC- □ Explosion-proof Integrated PTZ & Camera Ver: 1.1 2018.1.10
ZHEJIANG DAHUA SYSTEM ENGINEERING CO.,LTD.
DH-EPC□-PTZ-□
Explosion-Proof Integrated PTZ & Camera
Instruction Manual
Please read this
instruction manual
before use!
2614
Ⅱ2G Ex db op is ⅡC T6 Gb
Ⅱ2D Ex tb op is Ⅲ C T80ºC Db(DH-EPC□-PTZ-IR)
2614
Ⅱ2G Ex db ⅡC T6 Gb
Ⅱ2D Ex tb ⅢC T80ºC Db(
DH-EPC □ -PTZ )
EN60079-0:2012+A11:2013, EN60079-1:2014, EN60079-28: 2015,
EN60079-31:2014
IEC60079-0:2011, IEC60079-1:2014, IEC60079-28: 2015,
IEC60079-31:2013
Ex marking:
Reference standards:

Explosion-proof Integrated PTZ & Camera-Instruction Manual
Thank you for choosing our Ex products！
Please read this Instruction Manual carefully before installation and operation of this product,
following the instructions and keep this instruction manual properly.
Copyright © 2017 Zhejiang Dahua System Engineering Co., LTD. All right reserved.

Explosion-proof Integrated PTZ & Camera-Instruction Manual
I
Copyright Statement
Zhejiang Dahua System Engineering Co., LTD.(hereinafter
referenced as Dahua). Claims copyright ownership of the contents
(including text and images) of this Instruction Manual. Any content
may not be copied, transferred, modified or reproduced by any person
or organization without expressed permission of Dahua.
Dahua remains the right to modify the content and technical
specifications of the product in this Instruction Manual without any
form of notification, to provide the newest and most advanced product.
The end users can get the latest product information on our website:
http://www.dahuasystem.cn.
Quality Guarantee
For DH-EPC□-PTZ-□ Explosion-proof Integrated PTZ & Camera, we
provide free maintain service in the guarantee period but we will ask
the user to pay for the cost of labor and component in the follow
conditions:
Damage caused by improper operation that against the
Instruction Manual.
Damage caused by unauthorized disassembly.
Thunder or other force majeure natural disasters.
If any other contracts between clients and us exist, we will follow the
promise or regulation strictly.
Security Assurance
Operation of this product complies with the following requirements:
No adverse interference in operation;
The operation of this product cannot be interfered by external
factors even adverse interference in a certain degree.
Notice
The user shall not disassemble this product optionally, such
as removal of top cover or bolts may cause leakage of water

Explosion-proof Integrated PTZ & Camera-Instruction Manual
II
or creepage. Please operate the product according to the
requirements in this Instruction Manual;
Ensure this product is always used in environment with
atmosphere pressure, ambient temperature and relative
humidity specified in Chapter 1.6;
To be sure the power supply complies with the requirement
indicated in the nameplate;
The internal and external grounding shall be reliable;
Ensure the installation is firm and reliable, to avoid
unexpected damage of the camera;
It’s not allowed to do any modification on qualified products,
otherwise explosion-proof performance may be affected.

Explosion-proof Integrated PTZ & Camera-Instruction Manual
III
Please read this Instruction Manual carefully before installation and operation of this product.
The safe service period is 5 years after date of manufacture, see nameplate of the date of
manufacture.
Please read and understand associate knowledge, safety notices and cautions before put into
service.
1. Safety cautions in installation
Cut off the power supply before any maintenance or repair of the
product. DO NOT OPEN WHEN ENERGIZED!
Avoid opening of this product in environment where oil smoke,
heavy dust, high temperature or dewing may exist. These will
cause the decrease of the image definition.
Connect the cables according to the requirement indicated in the
Instruction Manual, otherwise fault may happen.
Protect the flame proof joint in maintenance; avoid any metal
fragment or other substances get access in the internal chamber.
No disassembly or modification allowed.
2. Construction Safety
The protective regulations on construction spot shall be followed
strictly.
Measurement shall be carried out immediately when any security
risks found to eliminate the risks, stop construction if necessary.
All kinds of safety facilities shall be inspected, calibrated or
repaired in the event of severe weather.
The ice, fog, rain and snow shall be removed clearly.
Alert area shall be set and a person shall be specified to protect
the area when protective casing and other safety facilities are
constructed or dismantled.
Work high above the ground may require in installation of this
product, the operating personnel shall be qualified.
3. Power supply requirements
Local electrical safety standard shall be followed in installation
and service of this product.
Convenient de-energizing device shall be adopted for emergency
cutting off.
Check if the power supply is suitable for operation before start.
Protect the power cable from trample or compressing, especially

Explosion-proof Integrated PTZ & Camera-Instruction Manual
IV
for the plug, socket and joint out from devices.
4. Service condition requirements
Please do not focus the camera to hard light (such as lamp or
sunlight), which will cause too bright of the image, it’s not
malfunction but it does will affect the duration of the CCD (or
CMOS).
Transport, operate and store this product in applicable
temperature and humidity range. Do not locate it in wet,
overheated (over +60ºC), extreme cold (less than -40ºC)
environment or area with strong electromagnetic radiation or
unstable lighting conditions.
The product shall be protected from any entry of water or other
conductive fluid, which may damage the internal electrical
element.
Avoid overheated, the product shall be well ventilated.
Avoid damage caused by compressing or violent vibration in
transmission, storage or operation.
The product shall be well packaged as new product or equivalent
in transmission.
We suggest using this product with Lightning Protection Devices.
Internal and external grounding shall be reliable and the
cross-sectional area shall be no less than 4mm2.
5. Operation & maintenance requirements
Do not dismantle this product; there is no user serviceable part
inside.
Do not touch the CCD (or COMS) directly; a proper way is to blow
away the dust with a blower on the lens. If it is necessary to clean
it, use soft cloth with a little alcohol to wipe the lens gently.
Replace the cover when not use to protect the CCD (or COMS).
Soft, dry cloth can be used for camera body cleaning. For dirt not
easy to clean, some neutral detergent can be used, clear the dirt
away then dry the camera body. Corrosive agent, abrasive
cleaner cannot be used for camera cleaning, they may damage
the surface or even decrease the service performance.
This product shall be installed and repaired by authorized
personnel, please do not dismantle or repair it by yourself. Only
manufacturer indicated components / accessories can be used
when replacement is necessary.
The CCD (or COMS) may be damaged by laser beam, it’s better

Explosion-proof Integrated PTZ & Camera-Instruction Manual
V
to avoid the camera suffering radiation of laser beam.
6. Environmental protection
For components of the products made by our company may
pollute the environment, such as PCB, electrical elements, plastic
and lubricant, collection and control measurement shall be taken
in maintenance and scrapping of the products. These pollution
sources shall be delivered to the government for further treatment,
no casually discard allowed, avoid any adversative effect to the
environment.
Special announcement
Pictures in this manual is a diagram for reference only.
We remain the right to modify the content and technical
specifications of the product in this Instruction Manual without any
form of notification when the product updates, there may exist
little differences after updating.
You can get the latest software and description document by
consulting the customer service department.
Any problem in operation of this product, please contact the
distributor or customer service department @ (86-571) 28179192.
We always tried to make this instruction manual as perfect as we
can, but there still may be some de-tolerance between the real
data and the data we provide, if you have any questions or
disputes, please refer to our company for finally explanation.
The operator or user shall be responsible for damages or losses
caused by misuse or operations do not comply with this manual.

Explosion-proof Integrated PTZ & Camera-Instruction Manual
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Ex structure instruction
We have made adequate consideration in flameproof enclosure
design of the explosion-proof camera to prevent explosive gases
getting into the inner volume, the explosion inside the enclosure
cannot cause the explosion of the external explosive gases. We
ensure the explosion-proof performance by strengthen enclosure
the strength, adjust the length and gap of the joint of associate
components and limit the maximum surface temperature.
The enclosure is able to subject to static pressure test (2.0MPa
for at least 10s) specified in EN60079-01:2014/IEC60079-1: 2014,
no leakage or deformation allowed after test.
The maximum surface temperature will no more than 80ºC in
normal operation.
Tempering glass is adopted in observation port, the tempering
glass shall pass the impact and thermal shock test.
Ingress protection level: IP68(1.2m/45min).
Protection the flameproof surface in maintaining of this product,
otherwise the damaged flameproof surface will affect the
explosion-proof
performance

Explosion-proof Integrated PTZ & Camera-Instruction Manual
VII
De-energize the product, holding the bottom part to move it, no force
on the sunshade, screen wiper, base; no dragging or knocking
allowed.
DH-EPC□-PTZ-IR
DH-EPC□-PTZ
When the product is energized: it’s NOT allowed to open, move,
knock or drag this product.

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VIII
Content
Copyright Statement........................................................................................................ I
Quality Guarantee............................................................................................................ I
Security Assurance.......................................................................................................... I
Notice................................................................................................................................. I
1. General......................................................................................................................... 1
1.1. Specification............................................................................................................. 1
1.2. Characters................................................................................................................ 2
1.3. Scope.........................................................................................................................2
1.4. Mechanical parameters.......................................................................................... 2
1.5. Electrical parameters.............................................................................................. 3
1.6. Service condition..................................................................................................... 4
1.7. Electrical safety (in normal atmosphere)............................................................. 4
1.8. Special conditions for safe use............................................................................. 4
2. Installation & debugging............................................................................................ 4
2.1. Cautions before installation................................................................................... 4
2.2. Cable entry............................................................................................................... 5
2.3. Wall-mounted Installation.......................................................................................6
2.3.1. Support installation.............................................................................................. 6
2.4. On-spot installation and fixing............................................................................... 8
2.4.1. Instruction for installation.................................................................................... 8
2.5. Adjusting and operation..........................................................................................9
2.5.1. System connection...............................................................................................9
2.5.2. Cable specification............................................................................................. 10
2.5.3. Parameter setting............................................................................................... 10
2.5.4. Inspection and examination before power on............................................... 12
2.5.5. Service status and inspection in service........................................................ 12
2.5.6. Settings of camera, IE browser and client software.....................................12
3. Trouble-shooting....................................................................................................... 12
4. Transportation, storage and maintenance............................................................13
4.1. Transportation........................................................................................................ 13
4.2. Storage.................................................................................................................... 13
4.3. Maintenance........................................................................................................... 13
5. Camera/optical parameters.....................................................................................14
6. Declaration................................................................................................................. 14

Explosion-proof Integrated PTZ & Camera-Instruction Manual
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1. General
DH-EPC□-PTZ-□ Explosion-proof Integrated PTZ & Camera (hereinafter referred to as
camera) is a new generation of explosion-proof monitoring device, it adopts advanced
manufacturing process, with a mature quality management system as a guarantee, the product
quality, performance and appearance are in leading position. The product can be used in
flammable and explosive gas or flammable dust environment, to achieve the purpose of
monitoring the hazardous area.
The camera is designed and manufactured according to EN60079-0:2012+A11: 2013,
EN60079-1: 2014, EN60079-28: 2015, EN60079-31: 2014, IEC60079-0: 2011, IEC60079-1:
2014, IEC60079-28: 2015, IEC60079-31: 2013. The compact structure, small size make it
convenient for installation and maintenance. It’s applicable for petrol industry, chemical
industry, wharf, harbor, non-coal mine, aerospace industry, aircraft industry, military industry,
food processing industry and so on.
All associate technical document, drawings and samples of the camera are tested and certified
by China National Quality Supervision and Test Center for Explosion Protected Electrical
Apparatus (CQST), ATEX certification number: CE2614 CNEX 17 ATEX 0010 X and IECEx
certification number is IECEx CNEX 17.0012X.
1.1. Specification
DH - EPC□ -PTZ - □
□: IR(with fill light) or None (without fill light)
□: Camera model
Product code
Company code
Models:
With fill light:
DH-EPC230U-PTZ-IR，DH-EPC230UN-PTZ-IR ，DH-EPC245U-PTZ-IR ，
DH-EPC245UN-PTZ-IR ，DH-EPC430U-PTZ-IR ，DH-EPC430UN-PTZ-IR ，
DH-EPC240V-PTZ-IR ，DH-EPC240VN-PTZ-IR
Without fill light :
DH-EPC230U-PTZ，DH-EPC230UN-PTZ，DH-EPC245U-PTZ，DH-EPC245UN-PTZ，
DH-EPC430U-PTZ，DH-EPC430UN-PTZ，DH-EPC240V-PTZ，DH-EPC240VN-PTZ
Ingress protection level: IP68(1.2m/45min)
Ex marking:
2614
Ⅱ 2G Ex db op is Ⅱ C T6 Gb

Explosion-proof Integrated PTZ & Camera-Instruction Manual
2
Ⅱ 2D Ex tb op is Ⅲ C T80 ℃ Db(DH-EPC □ -PTZ-IR)
2614
Ⅱ 2G Ex db Ⅱ C T6 Gb
Ⅱ 2D Ex tb Ⅲ C T80 ℃ Db(DH-EPC □ -PTZ)
Camera type: HD network Camera
1.2. Characters
This camera consists of HD camera and universal pan and tile, it is integrated a variety of
communication protocols and speed, it plays an important role in security systems.
This camera can work at wide voltage range and its self-adaptation function will satisfy most
brands of the video camera. The surge protection device provided with the camera will make it
safer and more reliable.
Integrated structure design make no external cable connection, it could rotate for 360º in
horizontal and ± 90º in vertical.
1.3. Scope
This product is applicable for Zone 1 and Zone 2 hazardous areas that explosive mixture of
group IIA, IIB, IIC, T1~T6 gases, vapors and air may exists, Zone 21 and Zone 22 hazardous
areas that explosive dust may exist
1.4. Mechanical parameters
Material:
Stainless steel 304/316L
Automatic heating(optional):
Heating automatically below -15 ºC (±5 ºC)
Horizontal rotating angle and speed:
0~360° continuous, max. speed 40º/s
Vertical rotating angle and speed:
0~±90° continuous, max. speed 30º/s
Return differences:
less than 1.2 º in horizontal and vertical
Weight(net):
DH-EPC□-PTZ-IR: 39kg; DH-EPC□-PTZ: 30kg
Weight(gross):
DH-EPC□-PTZ-IR: 41kg;DH-EPC□-PTZ: 31.8kg
Installation type:
Upright
Cable entry spec.
M27×1.25

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Figure 1.4.1 Dimension
Figure 1.4.2 Distribution of installation holes
1.5. Electrical parameters
Voltage and current:
100~240V AC or 24V AC;Max. 3.0A
Consumption:
≤75W
Electrical connection:
Comprehensive cable
Communication type
RS-485
Control communication speed:
2400~19200bps adjustable
Control communication Protocol:
PELCO-D/PELCO-P
Preset positions
128, precision≤0.1°
Auto cruise:
4 groups, 16 cruises in each group,
30s’ interval

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Screen wiper
(30±10) times/min
Lightning distance
50~100m (fill light will turn on
automatically if illuminance<19Lux)
Fast Ethernet electrical signal interface(optional):
full duplex TCP/IP Protocol Ethernet
interface transmission
Video signal):
1-way video output
Audio:
1-way input, 1-way output
Alarm:
2-way alarm input, 1-way alarm output
Address code:
0/1
1.6. Service condition
Atmosphere pressure:
80～110kPa
Ambient temperature:
-40ºC～+60ºC
Relative humidity:
no more than 95% (+25ºC)
1.7. Electrical safety (in normal atmosphere)
Insulation resistance: the insulation resistance between power terminal and the enclosure shall
be no less than 50 MΩ; Dielectric strength: dielectric test of 50Hz, AC1500V shall be
conducted between power terminal and the enclosure for 1min; dielectric test of 50Hz,
AC500V shall be conducted between wiring terminals and the enclosure; no breakdown or
flashover allowed.
1.8. Special conditions for safe use
Engaged length and engaged threads are greater than values in IEC/EN 60079-1;
The width of flameproof joint is more than the minimum values specified in EN
60079-1 standard. If needed, repair of the flameproof joints must only be made in
compliance with the structural specifications provided by the manufacturer.
Yield stress of the flameproof enclosure fasteners shall be no less than 450MPa;
The ambient temperature range is limited to -40℃~ +60℃.
2. Installation & debugging
2.1. Cautions before installation
Housing and PTZ are connected together before package
and the housing is adjusted to max. angle for easier

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transportation; Users are not allowed to dismantle the camera,
otherwise hazards may arise;
Check if there is a certificate of conformity number;
Check if the application area indicated in the Ex making is
suitable for the intend location;
Check if there is any crack or other defect that may damage
the Ex performance.
Accessories in packaged product:
1) DH-EPC□-PTZ-□ main set, 1pcs (with sunshield);
2) 5×M10×40 hex bolts (with spring washers, flat washers and nuts)
3) M3, M6 inner hexagon spanner, 1pcs;
4) CoC, instruction manual (with ATEX/IECEx cert.), 1pcs for each;
5) F type wrench, 248×16×10;
6) Explosion-proof flexible pipe;
Other tools in installation:
1) Cross screw driver: 6×150, 1pcs;
2) Outer hexagon adjustable wrench: 300×36, 1pcs.
Cautions in service:
It’s not suggested for users to dismantle this product at will, please follow the
Instruction for operation.
The power must comply with requirements specified in 1.5.
Please use this product in conditions (atmosphere pressure, temperature and
humidity) specified in chapter 1.6.
Since Ex product is very special, debugging with power before installation if
available.
No extra load on the camera, extra load may cause malfunction or damage!
2.2. Cable entry
There are one cable entries in the horizontal shaft in packaged product, thread spec. is
M27×1.25. The reserved length of the cable is no less than 2 meter, the free end of the cable
shall be located in explosion-proof control box, junction box or enclosure that suitable for the
hazardous location.

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2.3. Wall-mounted Installation
The debugging is done before package, only installation in the intended location is required.
We strongly suggest you select supports from Dahua, it will ease your installation process
significantly.
It’s the user’s responsibility to ensure the support for the camera is strong enough, and the
fasteners comply with associate load and anti-rust requirements. Installation of the camera
shall ensure that it’s out of reach by human beings and there is no other subject may affect the
rotation of the camera; otherwise, falling or damage may happen, even personnel safety may
be harmed.
2.3.1. Support installation
Select Wall-mounted installation holes in proper positions, ensure the direction of the camera
is correct; fasten the wall-mounted bracket with anchors or plug bolts. Junction box is always
installed in positions that easy for installation and maintenance, as per Figure 2.3.1.1. The
cable is connected to junction box by wire casings or bridges.
Specification of the wall-mounted bracket see Figure 2.3.1.2, 2.3.1.3 and 2.3.1.4.
Figure 2.3.1.1 Installation of Wall-mounted Bracket
Wall-mounted Bracket

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Figure 2.3.1.2 Dimension of Wall-mounted Bracket
Figure 2.3.1.3 Front view of Wall-mounted Bracket
Figure 2.3.1.4 Side view of Wall-mounted Bracket

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2.4. On-spot installation and fixing
Since Ex product is very special, adjust with power indoors before installation in the intended
locations if available.
2.4.1. Instruction for installation
See Figure 2.3.1.2 for distribution of installations holes under the camera, take DH-EPC□
-PTZ-IR as example: pass the reserved cable of the camera through the cable in the support,
the cable connected from camera to junction box could be protected by explosion-proof flexible
pipes (or armored cable); cable from junction box to control room could be protected by metal
pipes or by armored cables, see Figure 2.4.1
.
Figure 2.4.1 installation of camera
Wall-mounted Bracket
DH-EPC□-PTZ-IR
Flexible Tube
Junction Box

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2.5. Adjusting and operation
2.5.1. System connection
Figure 2.5.1 System connection
Take DH-EPC□-PTZ-IR as example, network model device adopts cable network or wireless
network as the main network for digital video signal transmission, it’s available for users to
monitor or record the videos at any time by network, no matter in local area network (LAN) or
wide area network (WAN), such as internet.
Analog system is controlled by explosion-proof control keyboard and explosion-proof control
box, it’s available for user to monitor the scene condition.

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2.5.2. Cable specification
A comprehensive cable is provided on packaged product (see Table 2.5.2 for cable
specification), the cable is lead out from the side of the base bottom with minimum length of
2m; connect the comprehensive cable to the system bus in the junction box before operation.
Table 2.5.2 Cable specification
Part name
Color
Function
Alarm audio 485(optional)
purple
Audio output
black
Audio grounding
white-purple
Audio input
blue-white
Alarm input 1
blue
Alarm input 2
black-white
Alarm input grounding
orange
Alarm output 1(COM1)
orange-white
Alarm output 2(OUT1)
yellow
485 output A
white
485 output B
Fast Ethernet
orange-white
Network cable 1
orange
Network cable 2
green-white
Network cable 3
blue
Network cable 4
blue-white
Network cable 5
green
Network cable 6
brown-white
Network cable 7
brown
Network cable 8
Power
thick brown
100-240V AC
24V AC(optional)
thick yellow-green
Grounding
thick blue
100-240V AC
24V AC(optional)
2.5.3. Parameter setting
Open the rear cover with inner hexagon spanner will find the toggle switch, see Figure 2.5.3.1.