Pelco EH4700 User Manual

MAINTENANCE/SERVICE

EH4700 Series Environmental Enclosure

C1405SM-A (5/06)

Contents

Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

EH4700 Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

EH4700L Legacy Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

EH4700DB Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Exploded Assembly Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Wiring Diagrams and Circuit Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

List of Illustrations

1 EH4700 Exploded Assembly Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

2 EH4700L Exploded Assembly Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

3 EH4712DB/EH4718DB Series Exploded Assembly Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4 Exploded Assembly Diagram for Blower and Circuit Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

5 Exploded Assembly Diagram for Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

6 Exploded Aseembly Diagram for Defroster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

7 Connector on Optional Circuit Board (O/I-PCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

8 Wiring Diagram for Optional Circuit Board (O/I-PCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

9 Component Locations for Optional Circuit Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

10 Layout of Traces on Optional CIrcuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

List of Tables

A EH4700 Series Exploded Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

B EH4700L Series Exploded Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

C EH4712DB/EH4718DB Series Exploded Assembly Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

D Exploded Assembly Parts List Blower and Circuit Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

E Exploded Assembly Parts List for Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

F Exploded Assembly Parts List for Defroster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

C1405SM-A (5/06) 3

Important Safety Instructions

1. Installation and servicing should be done only 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 circuit..

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.

CAUTION:

This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit.

To reduce the risk of electrical shock, do not remove cover. No user serviceable parts inside. Refer servicing to qualiﬁed service personnel.

RISK OF ELECTRIC SHOCK.

DO NOT OPEN.

4 C1405SM-A (5/06)

Description

Environmental enclosures in the EH4700 Series are used with pan/tilt units or ﬁxed mounts. The enclosures are mounted on the bottom. A lid opens for access for servicing.

Environmental enclosures in the EH4700L Legacy Series are used with pan/tilt units in Pelco’s PT780 Series. The enclosures are mounted on the bottom. A lid opens for access for servicing.

The EH4712DB and EH4718DB environmental enclosures are installed by attaching the top of the unit to a mounting surace. A door in the bottom drops open for access for installation or servicing. The top also may be opened for servicing.

MODELS

EH4700 SERIES

EH4718 Environmental enclosure with rear-opening lid. Lid has gas spring to hold it open. 18-inch (45.72 cm) length.

EH4718-1 EH4718 with 120 VAC thermostatically controlled heater and blower.

EH4718-2 EH4718 with 24 VAC thermostatically controlled heater and blower.

EH4718-3 EH4718 with 230 VAC thermostatically controlled heater and blower.

EH4722 Environmental enclosure with rear-opening lid. Lid has gas spring to hold it open. 22-inch (55.88 cm) length.

EH4722-1 EH4722 with 120 VAC thermostatically controlled heater and blower.

EH4722-2 EH4722 with 24 VAC thermostatically controlled heater and blower.

EH4722-3 EH4722 with 230 VAC thermostatically controlled heater and blower.

EH4700L LEGACY SERIES

EH4718L Environmental enclosure with rear-opening lid. Lid has gas spring to hold it open. 18-inch (45.72 cm) length.

EH4718L-1 EH4718L with 120 VAC thermostatically controlled heater and blower.

EH4718L-2 EH4718L with 24 VAC thermostatically controlled heater and blower.

EH4718L-3 EH4718L with 230 VAC thermostatically controlled heater and blower.

EH4722L Environmental enclosure with rear-opening lid. Lid has gas spring to hold it open. 22-inch (55.88 cm) length. Obsolete.

EH4722L-1 EH4722L with 120 VAC thermostatically controlled heater and blower.

EH4722L-2 EH4722L with 24 VAC thermostatically controlled heater and blower.

EH4722L-3 EH4722L with 230 VAC thermostatically controlled heater and blower.

EH4700DB SERIES

EH4712DB Environmental enclosure with bottom-opening door. 12-inch (30.48 cm) length.

EH4712DB-1 EH4712DB with 120 VAC thermostatically controlled heater and blower.

EH4712DB-2 EH4712 DB with 24 VAC thermostatically controlled heater and blower.

EH4712DB-3 EH4712DB with 230 VAC thermostatically controlled heater and blower.

EH4718DB Environmental enclosure with bottom-opening door. 18-inch (45.72 cm) length.

EH4718DB-1 EH4718DB with 120 VAC thermostatically controlled heater and blower.

EH4718DB-2 EH4718DB with 24 VAC thermostatically controlled heater and blower.

EH4718DB-3 EH4718DB with 230 VAC thermostatically controlled heater and blower.

C1405SM-A (5/06) 5

OPTIONAL ACCESSORIES

BK47-1 Blower kit, 120 VAC, 8 watts

BK47-2 Blower kit, 24 VAC, 8 watts

BK47-3 Blower kit, 230 VAC, 8 watts

HK47-1 Heater kit, 120 VAC, 60 watts

HK47-2 Heater kit, 24 VAC, 50 watts

HK47-3 Heater kit, 230 VAC, 55 watts

LK4500 Lock kit for EH4700DB Series enclosures

O/I-LPP Preset position lens wire harness

O/I-OUTLET 120 VAC electrical outlet

O/I-PCB Circuit board with thermostats

SS4718 Sun shroud for EH4718 Series enclosures

SS4722 Sun shroud for EH4722 Series enclosures

T147 Thermal insulation kit for EH4718 and EH4722 Series enclosures

WD47-1 Window defroster and defogger kit, 120 VAC, 15 watts

WD47-2 Window defroster and defogger kit, 24 VAC, 15 watts

WD47-3 Window defroster and defogger kit, 230 VAC, 15 watts

6 C1405SM-A (5/06)

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