procedure. Removed defroster kit and service information.
2Pelco Manual C1446M-B (7/98)
1.0 GENERAL
1.1 IMPORTANT SAFEGUARDS AND WARNINGS
Prior to installation and use of this product, the following WARNINGS should be
observed.
1.Installation and servicing should only be done by qualified service personnel
and conform to all local codes.
2.Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X, 6, or
6P enclosure, it is designed for indoor use only and it must not be installed
where exposed to rain and moisture.
3.Only use replacement parts recommended by Pelco.
4.After replacement/repair of this unit’s electrical components, conduct a resistance measurement between line and exposed parts to verify the exposed
parts have not been connected to line circuitry.
5.The installation method and materials should be capable of supporting four
times the weight of the enclosure, pan/tilt, camera and lens combination.
The product and/or manual may bear the following marks:
This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.
This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this
unit.
CAUTION:
RISK OF
ELECTRIC SHOCK.
DO NOT OPEN.
TO REDUCE THE RISK OF ELECTRICAL SHOCK,
DO NOT REMOVE COVER. NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE PERSONNEL.
CAUTION:
Please thoroughly familiarize yourself with the information
in this manual prior to installation and operation.
Pelco Manual C1446M-B (7/98)3
2.0 DESCRIPTION
The EH4712DB and EH4718DB environmental enclosures are constructed of aluminum. The enclosures are installed by attaching the top of the unit to a mounting
surface. A door in the bottom drops open for access during installation or to make
camera/lens adjustments.
You can install cameras with either fixed focal length lenses or motorized zoom
lenses. All models have an adjustable camera sled to accommodate different sizes
of cameras and lenses.
2.1 MODELS
EH4712DBEnvironmental enclosure with bottom-opening door. 12-inch
(30.48 cm) length.
EH4712DB-1EH4712DB with 120 VAC thermostatically controlled heater
and blower.
EH4712DB-2EH4712 DB with 24 VAC thermostatically controlled heater and
blower.
EH4712DB-3EH4712DB with 230 VAC thermostatically controlled heater
and blower.
EH4718DBEnvironmental enclosure with bottom-opening door. 18-inch
(45.72 cm) length.
EH4718DB-1EH4718DB with 120 VAC thermostatically controlled heater
and blower.
EH4718DB-2EH4718DB with 24 VAC thermostatically controlled heater and
blower.
EH4718DB-3EH4718DB with 230 VAC thermostatically controlled heater
and blower.
2.2 CERTIFICATIONS
The products identified below have been tested and certified for agency compliance as noted.
ModelCEFCCULCSA/cUL
EH4712DBX
EH4712DB-1
EH4712DB-2X
EH4712DB-3X
EH4718DBX
EH4718DB-1
EH4718DB-2X
EH4718DB-3X
Applicable CE, FCC, UL, and CSA/cUL directives/standards:
1.Place the enclosure on a flat surface with the bottom facing up. Open the door.
2.Remove the camera sled from the rail (refer to Figure 1 for the location of the
camera sled):
a.Loosen the screws.
b.Slide the sled so that the screws are in the large part of the mounting
holes.
c.Remove the sled.
d.Remove the parts tied to the sled.
3.If you are going to wire the enclosure with cable, remove the wiring glands and
nuts from the parts bag and install them in the top of the enclosure.
If you are going to wire the enclosure using conduit, you do not need the
wiring glands and nuts. Install the conduit in the top of the enclosure. If the
enclosure is installed outdoors, make sure the conduit is sealed to prevent
water from getting inside.
4.There are two threaded mounting holes on the top of the enclosure. Mount the
enclosure to a pan/tilt assembly or fixed mount with 1/4-20 screws with threads
that do not exceed 5/8 of an inch (1.59 cm) in length (not supplied with the
enclosure).
3.0 INSTALLATION
Proceed to Section 3.2, MARINE OR HIGH-MOISTURE ENVIRONMENT.
3.2 MARINE OR HIGH-MOISTURE ENVIRONMENT
(EH4718DB SERIES ONLY)
CAUTION:
When
opening the enclosure
lid, be careful not to
stress or otherwise
damage the electrical
wires or connectors
inside the enclosure
To install the enclosure in a marine or high-moisture environment, make the following modifications to the enclosure (refer to Figure 1):
1.Remove two screws that attach the enclosure lid to the rear plate of the enclosure body and carefully open the enclosure lid a few inches.
2.Remove the plastic barrier cover over the power supply section of the
circuit board.
before disconnecting
them.
3.Disconnect two electrical connectors from the circuit board and open the enclosure lid completely.
4.Remove the four screws and washers that attach the fan to the rear plate of
the enclosure body.
5.Turn the fan around so that it blows toward the viewing window (refer to the
arrows on the fan).
6.Reattach the fan to the rear plate of the enclosure body.
7.Reconnect the electrical connectors to the circuit board.
8.Reinstall the plastic barrier cover over the power supply section of the
circuit board.
9.Close the enclosure lid and reattach it to the rear plate of the enclosure body
with two screws.
10.Two vent cover plates with gaskets affixed come attached to the camera sled
as loose equipment. Locate them for use in the following steps.
On the bottom of the enclosure, remove two screws and washers that attach
the vent grill and foam filter to the front of the enclosure. Using the
same screws and washers, attach a vent cover plate and gasket to the
front of the enclosure.
11. On the bottom of the enclosure, remove two screws and washers that attach
the vent grill (without foam filter) to the rear of the enclosure. Using the same
screws and washers, attach a vent cover plate and gasket to the rear of the
enclosure.
Proceed to Section 3.3, WIRING.
3.3 WIRING
3.3.1 Camera
1.Bring a BNC cable into the enclosure for the camera's video output.
2.Bring wiring into the enclosure for camera synchronization and motorized lens
controls if you are going to use these functions.
3.For camera power, refer to Section 3.3.2, POWER.
3.3.2 Power
3.3.2.1 EH4712DB/EH4718DB Model Only
CAUTION:
There are
two ways to supply power
to the camera: (1) when
the power requirements
for the camera and
enclosure’s accessories
are the same (for example, if the camera and
accessories use 24 VAC)
and (2) when the power
requirements for the camera and the enclosure’s
accessories are different
(for example, if the camera uses 24 VAC and the
accessories use 120
VAC). Refer to Figure 2.
The only power required is for the camera. Bring the wiring for the camera into the
enclosure. If you are using 24 VAC, refer to Table A to determine the size of wire to
use.
Proceed to Section 3.4, CAMERA/LENS INSTALLATION.
3.3.2.2 Models with Heater-Blower (-1/-2/-3)
Determine whether the camera and accessories (blower and heaters) use the same
power or different power.
SAME POWER REQUIREMENTS
1.Add the camera’s wattage to the wattages of the accessories. Refer to Table B
for wattages of the accessories.
2.Determine the size of wire to use. If you are using 24 VAC, refer to Table A to
determine the size of wire to use.
3.Bring wires for AC high, AC neutral, and ground into the enclosure. Refer to
Figure 2 and connect the wires as follows:
a.Remove the plastic cover over the power supply section of the circuit
board inside the enclosure.
b.Connect AC high to AC HI of the 3-connector terminal block.
c.Connect AC neutral to AC NT of the 3-connector terminal block.
d.Connect ground to GND of the 3-connector terminal block.
e.Do not reinstall the plastic cover over the power supply yet. It will be done
later.
Proceed to Section 3.4, CAMERA/LENS INSTALLATION.
Pelco Manual C1446M-B (7/98)7
DIFFERENT POWER REQUIREMENTS
1.Bring in wires for AC high and AC neutral for the camera. If you are using 24
VAC, refer to Table A to determine the size of wire to use.
2.Refer to Figure 2 and connect the wires as follows:
a.Connect AC high to connector 9 of the 10-connector INPUTS terminal
block.
b.Connect AC neutral to the connector 10 of the 10-connector INPUTS
terminal block.
3.Add up the wattages of the enclosure’s accessories. Refer to Table B for wattages of the accessories.
4.Determine the size of wire to use. If you are using 24 VAC, refer to Table A to
determine the size of wire to use.
5.Bring wires for AC high, AC neutral, and ground into the enclosure. Refer to
Figure 2 and connect the wires as follows:
a.Remove the plastic cover over the power supply section of the circuit
board inside the enclosure.
b.Connect AC high to AC HI of the 3-connector terminal block.
c.Connect AC neutral to AC NT of the 3-connector terminal block.
d.Connect ground to GND of the 3-connector terminal block.
e.Replace the plastic cover over the power supply.
Proceed to Section 3.4, CAMERA/LENS INSTALLATION.
3.4 CAMERA/LENS INSTALLATION
3.4.1 Camera Mounting
1.Mount the camera to the sled with the 1/4-20 Phillips-head screws that are
provided in the parts bag. Attach the camera so that it is inside the apex of the
sled.
2.Install the sled and camera in the enclosure:
a.If the camera’s lens is adjustable, extend the lens to its maximum length.
b.Place the sled over the mounting screws in the enclosure. Depending on
the height required for the camera inside the enclosure, the sled can be
installed so that its base faces either the top or the bottom of the enclosure.
c.Slide the camera sled forward until the lens almost touches the window.
d.Tighten the screws to secure the camera sled to the rail.
3.4.2 Camera Wiring (Except Power)
1.Connect the camera’s video output.
2.Connect the synchronization cable if you are going to synchronize cameras.
3.Connect the lens controls if your camera has a motorized zoom lens.
EH4712DB/EH4718DB Model Only - Connect the wiring from the lens
controller directly to the camera’s lens control.
8Pelco Manual C1446M-B (7/98)
Figure 2. EH4712DB/EH4718DB Series Input Wiring Diagram
Pelco Manual C1446M-B(7/98)9
Table A. 24 VAC Wiring Distances
The following are the recommended maximum distances for 24 VAC applications
and are calculated with a 10-percent voltage drop. (10-percent is generally the maximum allowable voltage drop for AC-powered devices.)
EXAMPLE:
An enclosure that
requires 80 vA and is installed 35
feet (10 m) from the transformer
would require a minimum wire
gauge of 20 Awg.
NOTE:
Distances are calculated
in feet; values in parentheses are
meters.
You
can damage the camera
if you connect it to the
wrong connector.
If the camera will use the same
power as the enclosure, plug the
camera into the CAM 1 socket on
the circuit board inside the enclosure.
If the camera’s voltage will be different from the enclosure’s voltage,
plug the camera into the CAM 2
socket only.
DO NOT
plug the
camera into the CAM 1 socket or
you can damage the camera. CAM
1 has enclosure voltage on it.
BE CAREFUL - REMEMBER
CAM 1 IS ENCLOSURE
POWER
NEVER PLUG THE CAMERA
INTO CAM 1 IF THE
CAMERA’S VOLTAGE IS
DIFFERENT FROM THE
ENCLOSURE’S VOLTAGE.
If the camera will use the same power as the enclosure’s accessories, there are two
options for connecting power:
a.A three-pin plug with leads is supplied as loose equipment. Connect the
leads from the plug to the camera as follows:
Brown - AC HI
Blue - AC NT
Green - Ground
Connect the plug to the CAM 1 socket on the circuit board and replace
the plastic cover over the power supply section of the circuit board.
b.If both the camera and enclosure use 120 VAC and you ordered the op-
tional 120 VAC electrical outlet accessory (O/I OUTLET), connect the
120 VAC plug to the camera and the three-pin plug to CAM 1. Replace
the plastic cover over the power supply section of the circuit board.
Proceed to Section 3.5, FINAL INSTALLATION.
If the camera will use power different from the enclosure’s accessories, connect the
leads from the two-pin plug, which is supplied as loose equipment to the camera as
follows:
Brown - AC HI
Blue - AC NT
Connect the plug to the CAM 2 socket on the circuit board.
Proceed to Section 3.5, FINAL INSTALLATION.
3.5 FINAL INSTALLATION
1.Adjust the focus and iris on the camera, if necessary.
2.Close the door on the bottom of the enclosure.
3.If the enclosure is installed outdoors and has glands installed on top of the
enclosure, use RTV silicone to seal around the wiring to prevent water from
getting inside.
Pelco Manual C1446M-B (7/98)11
4.0 OPERATION
Models with Heater-Blower (-1/-2/-3) Only - The fan thermostat on the circuit
board is set to turn on the fan between 77° and 93°F (25° and 34°C) and to turn off
the fan between 62° and 78°F (17° and 26°C).
The heater/defroster thermostat on the circuit board is set to turn on the heaters
(and defroster, if installed) between 42° and 58°F (6° and 14°C) and to turn off the
heaters (and defroster, if installed) between 72° and 88°F (22° and 31°C).
12Pelco Manual C1446M-B (7/98)
Perform the following maintenance at regularly scheduled intervals to prolong the
operational life and appearance of the equipment.
1.Clean the window with a mild nonabrasive detergent in water and a soft cloth
to maintain picture clarity.
2.If your enclosure has a blower, clean the foam filter (if installed) as follows:
On the bottom front of the enclosure, remove the two screws and washers in
the vent grill.
Remove the vent grill and take out the filter.
Clean the filter with warm water and mild detergent, dry thoroughly, and replace it in the grill.
Reinstall the vent grill.
To order replacement filters, specify the part number EH470010009.
5.1 SERVICE MANUAL
If you need to service your enclosure, obtain a service manual in on the following
ways:
•Go to Pelco’s web site at http://www.pelco.com and find service manual
C1405SM.
5.0 MAINTENANCE
•Call Pelco’s DataFAX service at 1-559-292-0435 and request document
214058.
•Contact Pelco’s Literature Department and request service manual C1405SM.
Pelco Manual C1446M-B (7/98)13
6.0 SPECIFICATIONS
ELECTRICAL
Input Voltage:24, 120 or 230 VAC, 50/60 Hz
Electrical
Connections:One each of the following:
3-connector terminal block for power input
6-pin lens connector
9-connector terminal block for lens wiring
10-connector terminal block for camera/lens wiring
2-connector terminal block for spare connections
3-pin socket for camera power input
2-pin socket for optional camera power input
2-pin socket for blower
2-pin socket for defroster
4-pin socket for heaters
Cable Entry:Two UL-approved glands on top of enclosure; maximum
Window:Plastic
Window
Viewing Area:3.50" H x 4.00" W (8.89 x 10.16 cm)
Camera
Mounting:Removable camera sled that can be inverted to accommo-
Maximum
Camera/Lens Size:Accommodates camera/lens combinations (including BNC
EH4712DB12.5" L x 3.5" W x 4.0" H (31.75 cm x 8.89 cm x 10.16 cm)
EH4712DB-1/-2-/-3 8.5" L x 3.5" W x 4.0" H (21.59 cm x 8.89 cm x 10.16 cm)
EH4718DB16.5" L x 3.5" W x 4.0" H (41.91 cm x 8.89 cm x 10.16 cm)
EH4718DB-1/-2/-3 12.5" L x 3.5" W x 4.0" H (31.75 cm x 8.89 cm x 10.16 cm)
Dimensions:See Figure 3
Weight:UnitShipping
EH4712DB6.35 lb (2.90 kg)7 lb (3.17 kg)
EH4712DB-1/-2/-3 7.85 lb (3.56 kg)9 lb (4.08 kg)
EH4718DB7.25 lb (3.28 kg)9 lb (4.08 kg)
EH4718DB-1/-2/-3 8.75 lb (3.96 kg)10 lb (4.53 kg)
cable diameter 0.47 inch (1.19 cm)
Will accept 1/2-inch (1.27 cm) conduit without glands
date various cameras and lenses
connector) up to:
14Pelco Manual C1446M-B (7/98)
GENERAL
EH4712DBEH4718DB
A7.25 (18.42)9.25 (23.50)
B16.2 (41.15)21.2 (53.84)
C13.3 (33.78)18.3 (46.48)
Environment:Indoor/outdoor -10° to 120°F (-23° to 49°C)
Can be modified for use in a marine or high-moisture environment.
(Design and product specifications subject to change without notice.)
A
1/4-20
2.00
(5.08)
B
3.50
5.00
(8.89)
(12.70)
4.00
(10.16)
6.87
(17.45)
C
NOTE: EH4712DB SERIES
DOES NOT HAVE VENTS IN
BOTTOM OF ENCLOSURE
NOTE: VALUES IN PARENTHESES ARE CENTIMETERS; ALL OTHERS ARE INCHES
Figure 3. EH4712DB/EH4718DB Dimension Drawing
Pelco Manual C1446M-B (7/98)15
7.0 WARRANTY AND RETURN INFORMATION
WARRANTY
Pelco will repair or replace, without charge, any merchandise proved defective in material or
workmanship for a period of one year after the date of shipment.
Exceptions to this warranty are as noted below:
Pelco, the Pelco logo, Camclosure, Esprit,
Genex, Legacy, and Spectra are registered
trademarks of Pelco.
Endura and ExSite are trademarks of Pelco.
• Five years on FT/FR8000 Series fiber optic products.
• Three years on Genex
• Three years on Camclosure
CC3751H-2, CC3651H-2X, MC3651H-2, and MC3651H-2X camera models, which have a fiveyear warranty.
• Two years on standard motorized or fixed focal length lenses.
• Two years on Legacy
dome products.
• Two years on Spectra
continuous motion applications.
• Two years on Esprit
• Eighteen months on DX Series digital video recorders, NVR300 Series network video
recorders, and Endura
• One year (except video heads) on video cassette recorders (VCRs). Video heads will be
covered for a period of six months.
• Six months on all pan and tilts, scanners or preset lenses used in continuous motion applications
(that is, preset scan, tour and auto scan modes).
Pelco will warrant all replacement parts and repairs for 90 days from the date of Pelco shipment.
All goods requiring warranty repair shall be sent freight prepaid to Pelco, Clovis, California. Repairs
made necessary by reason of misuse, alteration, normal wear, or accident are not covered under
this warranty.
Pelco assumes no risk and shall be subject to no liability for damages or loss resulting from the
specific use or application made of the Products. Pelco’s liability for any claim, whether based on
breach of contract, negligence, infringement of any rights of any party or product liability, relating
to the Products shall not exceed the price paid by the Dealer to Pelco for such Products. In no event
will Pelco be liable for any special, incidental or consequential damages (including loss of use, loss
of profit and claims of third parties) however caused, whether by the negligence of Pelco or
otherwise.
The above warranty provides the Dealer with specific legal rights. The Dealer may also have
additional rights, which are subject to variation from state to state.
If a warranty repair is required, the Dealer must contact Pelco at (800) 289-9100 or (559) 292-1981
to obtain a Repair Authorization number (RA), and provide the following information:
1. Model and serial number
2. Date of shipment, P.O. number, Sales Order number, or Pelco invoice number
3. Details of the defect or problem
If there is a dispute regarding the warranty of a product which does not fall under the warranty
conditions stated above, please include a written explanation with the product when returned.
Method of return shipment shall be the same or equal to the method by which the item was received
by Pelco.
RETURNS
In order to expedite parts returned to the factory for repair or credit, please call the factory at (800)
289-9100 or (559) 292-1981 to obtain an authorization number (CA number if returned for credit,
and RA number if returned for repair).
All merchandise returned for credit may be subject to a 20% restocking and refurbishing charge.
Goods returned for repair or credit should be clearly identified with the assigned CA or RA number
and freight should be prepaid. Ship to the appropriate address below.
If you are located within the continental U.S., Alaska, Hawaii or Puerto Rico, send goods to:
If you are located outside the continental U.S., Alaska, Hawaii or Puerto Rico and are instructed
to return goods to the USA, you may do one of the following:
If the goods are to be sent by a COURIER SERVICE, send the goods to:
Service Department
Pelco
3500 Pelco Way
Clovis, CA 93612-5699
Pelco
3500 Pelco Way
Clovis, CA 93612-5699 USA
If the goods are to be sent by a FREIGHT FORWARDER, send the goods to:
Pelco c/o Expeditors
473 Eccles Avenue
South San Francisco, CA 94080 USA
Phone: 650-737-1700
Fax: 650-737-0933
®
Series products (multiplexers, server, and keyboard).
®
and fixed camera models, except the CC3701H-2, CC3701H-2X,
®
, CM6700/CM6800/CM9700 Series matrix, and DF5/DF8 Series fixed
®
, Esprit®, ExSite™, and PS20 scanners, including when used in
®
and WW5700 Series window wiper (excluding wiper blades).
™
Series distributed network-based video products.
16Pelco Manual C1446M-B (7/98)
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