42004-707L2A

42004-707L2A

Pub. 42004-707L2A

G A I - T R O N I C S ® C O R P O R A T I O N

A H U B B E L L C O M P A N Y

Model 7085-005-EX-F07050

SmartSeries Multi-Party Hazardous Area

Amplifier Enclosure with RTU Control

Confidentiality Notice

This manual is provided solely as an operational, installation, and maintenance guide and contains sensitive business and technical information that is confidential and proprietary to GAI-Tronics. GAI-Tronics retains all intellectual property and other rights in or to the information contained herein, and such information may only be used in connection with the operation of your GAI-Tronics product or system. This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any third party.

General Information

The Model 7085-005-EX-F07050 Multi-Party Remote Terminal Unit (RTU) Amplifier Enclosure is a component of the 700 Series Page/Party

< system. This enclosure is configured for multi-party systems, which can accommodate conversations on up to five party lines simultaneously. It is constructed of cast aluminum and is extremely weatherproof and corrosion-resistant. This enclosure is equipped with terminal strips for connecting system cable. The Model 709-901 SmartSeries Amplifier mates directly with this enclosure.

When connected to a SmartSeries system, the station operates as a standard multi-party Page/Party

® device. In addition, it supports supervised input circuits and a relay output (supervision optional). The following configurations are possible:

• 1 supervised input circuit and 1 supervised relay output (factory setting)

• 2 supervised input circuits and no relay output

• 2 supervised input circuits and 1 non-supervised relay output

N

OTES

:

1. The relay output circuit is intended to be used with GAI-Tronics-approved equipment. The circuit may not support supervision of equipment that is not approved by GAI-Tronics.

2. The Model 7085-005-EX-F07050 conduit or cable entries contain metric threads.

GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA

610-777-1374

„ 800-492-1212 „ Fax: 610-796-5954

V

ISIT WWW

.

GAI

-

TRONICS

.

COM FOR PRODUCT LITERATURE AND MANUALS

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Installation

This enclosure must be installed by trained, qualified and competent personnel. Installation must comply with state and national regulations, as well as safety practices for this type of equipment.

CAUTION

Do not install this equipment in hazardous areas other than those indicated on the approval listing in the Specifications section of this manual. Such installation may cause a safety hazard and consequent injury or property damage.

The mounting location must be flat and provide proper clearance, rigidity and strength to support the enclosure and all contained devices. The enclosure is equipped with factoryinstalled hinges. The enclosure should be mounted with hinges on the left.

WARNING

Do not mount the enclosure with hinges on the top or bottom side.

Securely fasten the enclosure to the mounting location, using

1/2-inch diameter steel mounting bolts and washers, or washer head bolts.

Figure 1. Model 7085-005-EX-F07050

WARNING

Do not disconnect equipment while energized.

Insure proper grounding to protective earthing.

Inspect and clean the machined flange flame joint surfaces of both the cover and box. Surfaces must be smooth, free of nicks, scratches, dirt or any foreign particle build-up that would prevent a proper seal.

Surfaces must seat fully against each other to provide a proper explosion-proof joint. Clean surfaces by wiping with a clean lint-free cloth.

Apply a light coat of Killark “LUBG” lubricant to flange surfaces and close the cover. Install and tighten all cover bolts to 30 ft.-lbs. Make certain no cover bolts are omitted. Use only those bolts supplied with the enclosure.

When installing an add-on station, consult the appropriate system layout diagrams. These figures, when used in conjunction with the station installation information and cable layout guide, should provide all the information necessary to install additional Page/Party

< stations.

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Enclosure Placement

All GAI-Tronics Page/Party

®

units are wired in parallel. Good system layout design minimizes the cable required for each installation. GAI-Tronics multi-conductor cable, designed especially for this application, is recommended. For the number, size, and color-coding of conductors refer to the appropriate system connection diagrams.

System layout and power cable length are very important when installing Page/Party

®

equipment.

Although it varies for different systems, the general guideline is that the total power cable length should not exceed one mile (5280 feet) for 120 V ac systems. The total cable length is the most important consideration while cable length between the stations is generally not a factor.

Hardware Configuration

External

The multi-party enclosure contains a handset with an approved gland, push-to-page operator, a party line selector switch, and applicable approval labeling. The handset rests on a cradle, which has a magnetic reed switch located behind it to signal an off-hook condition. The enclosure itself has 12 cover mounting bolts located around the perimeter, and a set of aluminum hinges located on the left side. See Figure 2.

GAI-T RONICS CO RPO RATION

P.O. BOX 106 0 READING, PA 1960 7

N O U SE R SE RV ICEA BLE PA RTS IN SIDE.

REF ER S ER VICIN G TO Q U ALIFIED P ERS ON NEL O NLY.

GA I-TRO N ICS SER VICE C EN TERS

In U SA: 1-800-492-1212 O utside US A: 1-610-777-1374

Figure 2. Model 7085-005-EX-F07050 Outline Drawing

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Internal

The multi-party enclosure contains three terminal blocks, an interior mounting plate, an amplifier bridging plate, and a connector for the mating Model 709-901 Amplifier. The amplifier bridging plate is hinged on one side and attached on the opposite side with two #10-32 screws. For system cable installation, the screws to this plate must be removed and the bridging plate swung open 90º. Upon installation of the wiring cable, the amplifier bridging plate can be rotated closed and reattached with the two #10-32 screws.

This plate will then serve as a protection for the amplifier and the switches from the system cable when the unit is completely closed. Refer to Figure 3.

The RTU control adds an additional 8-point terminal block, fuse holder with installed fuse, and RTU control PCBA. These items are mounted to the interior mounting plate and backside of the amplifier bridging plate. Care should be taken to keep wires out from behind the RTU PCBA so as not to damage the components when the bridging plate is swung closed. The RTU PCBA is connected to the amplifier with a 10-point ribbon cable. Refer to Figure 3.

The party line selector switch can be disconnected from the amplifier bridging plate by means of the 12-pin connector. Upon installation of system cable, after the amplifier bridging plate has been reattached, plug the 12-pin connector back into its receptacle.

N

OTE

: The front door can be swung approximately 120º before the plug must be disconnected.

Figure 3. Model 7085-005-EX-F07050 Amplifier Enclosure - Interior View

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Mounting

N

OTE

: The mounting surface must be able to support the weight of the aluminum enclosure. See the

Specification section for the weight and dimensions of the unit.

The enclosure comes standard with mounting feet capable of being rotated 90º. This allows for top and bottom mounting feet or side-to-side mounting feet. The enclosure ships with the mounting feet in the topto-bottom configuration, for ease of installation. Refer to Figure 4 for both sets of dimensions.

Figure 4. Model 7085-005-EX-F07050 Enclosure Mounting Details

The enclosure must be securely fastened with 1/2-inch diameter steel mounting bolts located on all four mounting feet. Stainless steel hardware is recommended in outdoor applications.

N

OTE

: Refer to the Killark Installation, Operation, and Maintenance Data Sheet enclosed with the unit for additional information.

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Cable Entries

Refer to Figure 5 for the EX cable gland entries. Ensure any unused openings are sealed with proper fittings per local standards.

Figure 5. Model 7085-005-EX-F07050 Cable Gland Entries

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Wiring

Attach the conduit or cable glands to the enclosure. Feed the wiring through these and bring it into the enclosure. Attach the wires to the terminal blocks located behind the amplifier bridging plate. Follow the wire colors carefully because the colors correspond to GAI-Tronics cable. The wires must be spade-lugged and connected carefully and completely to the terminal block. An improper termination may result in diminished station performance. See Figure 6.

CAUTION

For safe operation, connect terminal 3 of TB1 to system ground.

Local Muting

Figure 6 illustrates local speaker muting when stations are completely assembled and paging operation occurs. Normally, when the station button is pressed, the paging speaker connected to that station is silenced (muted) to prevent acoustic feedback to the handset microphone. However, while the handset is in use for party line conversations, the paging speaker is “live” to enable paging calls from other stations.

To disable the mute feature, follow these instructions:

1. Locate the lugged violet wire attached to terminal point 7 (mute) on the terminal block within the enclosure.

2. Transfer the lugged violet wire to terminal point 8 (Page L1).

After any muting changes are made, unpack the station amplifier and install.

Mutual Muting

In the event that feedback occurs within an area and repositioning of the system speakers does not help, mutual muting may be used to correct this problem.

Use the following steps to mutually mute adjacent amplifiers/handsets within a zone.

1. Ensure that the purple lugged wire is connected to terminal 7 of TB1.

2. Connect terminal TB1-7 of the handset station to TB1-7 of the station within the zone that is causing feedback. This is done by using the spare system wire (orange conductor) from within the system cable that runs between the stations.

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Application

The SmartSeries Station RTU is designed for use with the SmartSeries amplifiers and handsets in a standard multi-party Page/Party

®

system. It is also possible to control an external device by activating and deactivating a single relay circuit located in the SmartSeries station enclosure. This circuit is referred to as a relay output. Terminal block TB3, located on the rear panel of the station enclosure, provides an interface with this relay.

In addition to the relay output capability, the RTU also provides two inputs. These circuits provide an interface to dry contact switches, (e.g., a pull box) that are monitored within the SmartSeries station. The

SmartSeries station reports any switch activation to the Master Control Unit (MCU).

The relay output is factory-set to be supervised through input #1. Refer to the chart on page 9. However, you may elect to use input 1 by disconnecting supervision for the relay output.

Figure 6.

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RTU PCBA Configuration

The SmartSeries RTU allows three choices of operational configurations. Select the configuration that best suits your need for circuits. The following table lists the RTU configurations:

Configuration Inputs Outputs

1 supervised input 1 supervised relay output (factory setting)

1

2

3

2 supervised inputs

2 supervised inputs

No relay output

1 non-supervised relay output

Configuration 1

In the first configuration, the relay output is supervised to continually ensure the integrity of the external circuit. The first input, IN 1, is used to support supervision of the relay output circuit. This wiring method requires the use of a 20 k-ohm, 2-watt resistor placed in parallel to the relay output device (e.g. a beacon or strobe) as shown in Figure 7.

Figure 7. Beacon or Strobe

Wire the terminating resistor as close as possible to the beacon. Supervision is performed during nonactivation of the relay output using IN 1. The second input, IN 2, remains available for detecting switch activations. The following section describes switch wiring choices. The RTU provides 120 V ac for beacon power on pins TB3-28, TB3-29, and TB3-30.

N

OTE

: This configuration is hardwired at the factory.

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Configuration 2

The second configuration uses two supervised input circuits and does not make use of the single relay output. This configuration is accomplished by interfacing to terminal block TB3-23 and TB3-24 for IN

1 and TB3-25 and TB3-26 for IN 2.

The external dry contact switch, either normally open or normally closed respectively, should be in parallel to a

15 k-ohm resistor as shown in Figure 8.

A 5.1 k-ohm resistor should be in series to the 15 k-ohm resistor. This provides a voltage divider network used to detect a short or open across the external circuit’s cabling.

This configuration requires that the orange wire from

TB3-23 going to the relay output circuit be disconnected so as not to interfere with supervised operation.

Another method of performing supervision using multiple switches is shown in Figure 9. This method requires only one 20 k-ohm resistor that is placed in parallel to multiple normally open dry contact switches at the end of line (EOL).

Figure 8. PLC or Switch Box

Normally Open and Normally Closed - Example

Figure 9. Input Line Supervision Multiple Switch - Example

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Configuration 3

In the third configuration, the relay output circuit is nonsupervised. This means the RTU can command a system device to activate or deactivate without the integrity of the external circuit being verified. In this configuration, both inputs are available.

N

OTE

: Unused inputs must be terminated at terminal block TB3 with a 20 k-ohm, 2-watt resistor. Resistors are supplied with the units. See Figure 10.

Figure 10. Unused Input

Software Configuration

The software configuration of the RTU is accomplished through the use of the System Start-up Tool

(SST). The type of RTU is dependent on the hardware configuration. Before setting up the software, it is important to know how the inputs and outputs will be used.

Interface

Use the ribbon connector supplied with the unit to connect the SmartSeries relay circuit to the connector at the base of the SmartSeries station. Wiring to the RTU is performed by connecting the external circuits to the appropriate lugs on the TB3 terminal block located on the rear panel on the enclosure. The following table shows the wiring for TB3:

Terminal Block

Lug No. Label

TB3-24 Common

TB3-26 Common

TB3-27 Spare

TB3-28

TB3-29

Line (hot) 120 V ac 50/60 Hz, 2.5 amps max.

Neutral 120 V ac 50/60 Hz

The SmartSeries RTU is pre-wired from the factory to support one supervised input and one supervised relay output. To disable the supervision of the relay output circuit by IN 1, disconnect the orange wire going to the relay circuit card located at TB3-23. This is the only wiring modification necessary for any of the three RTU configurations.

Operation

The supervised input and relay output functions are supported by the ADVANCE system. Refer to

GAI-Tronics Pub. 42004-699L2 for Model 709-901 Handset/Speaker Amplifier for detailed operational instructions.

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Maintenance

Regular inspection and a good preventive maintenance program will increase the reliability of your

GAI-Tronics station. The GAI-Tronics Field Service Department can formulate a service contract suited to your facility’s specific need for preventive maintenance.

In addition, the following procedure can be used to keep Page/Party

®

systems operating effectively.

WARNING

Before performing any of the following preventive maintenance steps, remove all power from the station.

CAUTION

To reduce the risk of ignition of hazardous atmospheres, disconnect the equipment from the supply circuit before making any adjustments to the amplifier's handset level.

1. Remove the amplifier from the enclosure.

2. Visually check the interior of the enclosure for signs of contamination such as dust, condensation or process liquid.

3. Using the No. 10440-002 Maintenance Cable, plug the amplifier into the connector in the enclosure.

Check, and if necessary, adjust the amplifier to maximize performance.

4. Reinstall the amplifier in the enclosure. Ensure that all gaskets and hardware are in place. Failure to install the gaskets, which also act as spacers, can result in damage to the connectors on the amplifiers and inside the enclosures and can cause system faults.

Inspect and clean the machined flange flame joint surfaces of both the cover and box. Surfaces must be smooth, free of nicks, scratches, dirt or any foreign particle build-up that would prevent a proper seal.

Surfaces must seat fully against each other to provide a proper explosion-proof joint. Clean surfaces by wiping with a clean lint-free cloth.

Apply a light coat of Killark “LUBG” lubricant to flange surfaces and close the cover. Install and tighten all cover bolts to 30 ft-lbs. Make certain no cover bolts are omitted. Use only those bolts supplied with the enclosure.

It may become necessary to re-terminate some or all of the enclosures in a system. If so, strip the wires back to clean copper and connect only one wire to each connector to allow for easier future troubleshooting.

N

OTE

: Refer to the Killark Installation, Operation, and Maintenance Data Sheet enclosed with the unit for additional information.

Fuse

WARNING

Do not remove fuse when energized. Replace with the same type and size fuse.

RTU fuse = T2.5A, 250V, 5

×20mm, IEC60127-2

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Troubleshooting

The following table lists some hints to aid technicians in troubleshooting.

Problem Solution

Station responds to polling messages but the relay output does not respond.

Station does not respond to poll message.

The following device fault message received at the MCU:

“Supervised Input Circuit”

Check for trouble report from station if the output is being supervised.

The report will indicate what type of trouble has occurred. If the message, “Supervised Output Circuit” is reported, check relay circuit and supervision path.

Check and replace fuse on the back panel of the enclosure as well as fuses on the SmartSeries device.

Check that the input circuit is properly terminated.

Check the external circuit connected to either input of the RTU for a short or open. The input circuit number is identified on the device fault message.

Device fault message is not received but the input circuits do not activate an alarm.

Verify that the SST configuration is set up to report the alarm.

Remove and replace the SmartSeries Handset or Amplifier.

A device fault is not reported to the MCU but the output circuit does not respond to an activation command.

Check and replace the SmartSeries station relay circuit card.

Relay output does not engage. Ensure the ribbon cable from the J3 connector to the RTU board is attached correctly.

Feedback occurs during page only.

1. If a speaker is close to the station, try using the muting feature in amplifier enclosure at terminal blocks by connecting the violet wire at terminal 8 to terminal 7. See wiring diagram and refer to the mutual muting section of this manual.

2. Check line terminations.

3. Check location and orientation of speakers in the area. Feedback may be caused feedback by adjacent stations.

4. Call GAI-Tronics service for details.

Cross talk occurs. One or more system cable pairs may be improperly terminated.

Visually inspect the system cable for accidental crossing of cable pairs or grounds.

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Specifications

Construction/finish................................................................................. Cast aluminum/gray polyurethane

Mounting............................................................... Wall or column, four 1/2-inch mounting feet with slots

Connections ...............................................................................Internal screw-type barrier terminal blocks

Dimensions........................................ 15.25 H

× 15.25 W × 12.375 D inches (387.4 × 387.4 × 314.3 mm)

Temperature range (operating and storage)........................................... (-4º F to +140º F) -20º C to +60º C

Shipping weight ............................................................................................................. 75 lbs. (34.02 kg)

Enclosure............................................................................................................................ IP66/Type 4X

Approvals

ATEX Certified ...............................................................................................ll 2 G Ex d [ib] IIB + H

2

T6

Applicable standards......................................................... EN 50014:1997, A1+A2:1999, EN50020:2002,

EN 60079-0:2006 and EN 60079-1:2004

CE Mark .......................................................... Complies with Low Voltage Directive 73/23/EEC, and the

EMC Directive 89/336/EEC amended by the Directive 93/68/EEC.

Certificate No. TBD

Notified Body Id No. 0539

UL International DEMKO A/S

Lyskear 8

DK-2730 Herlev

Denmark

Replacement Parts

Model No. Description

10108-012 ATEX Certified Handset Assembly with 6-foot PVC Cord (with cable gland)

13205-006

61504-111

61504-112

Receiver, Handset 150-ohm

Reed Switch Assembly with plug and spacer

Push-Button Cable Assembly

12511-001 Dynamic Transmitter and cap

61512-030

51808-002

Party Line Selector Switch with plug cable assembly

Fuse, RTU Control, 2.5 A, IEC

69267-001TR RTU Control PCBA

61210-016 RTU Ribbon Cable

N

OTE

: The replacement equipment must be installed by trained, qualified and competent personnel.

Installation must comply with state and national regulations, as well as safety practices for this type of equipment.

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Warranty

Equipment.

GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any

GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall comply with the then-current product specifications and product literature, and if applicable, shall be fit for the purpose specified in the agreed-upon quotation or proposal document. If (a) Seller’s goods prove to be defective in workmanship and/or material under normal and proper usage, or unfit for the purpose specified and agreed upon, and (b) Buyer’s claim is made within the warranty period set forth above,

Buyer may return such goods to GAI-Tronics’ nearest depot repair facility, freight prepaid, at which time they will be repaired or replaced, at Seller’s option, without charge to Buyer. Repair or replacement shall be Buyer’s sole and exclusive remedy. The warranty period on any repaired or replacement equipment shall be the greater of the ninety (90) day repair warranty or one (1) year from the date the original equipment was shipped. In no event shall GAI-Tronics warranty obligations with respect to equipment exceed 100% of the total cost of the equipment supplied hereunder. Buyer may also be entitled to the manufacturer’s warranty on any third-party goods supplied by GAI-Tronics hereunder. The applicability of any such third-party warranty will be determined by GAI-Tronics.

Services.

Any services GAI-Tronics provides hereunder, whether directly or through subcontractors, shall be performed in accordance with the standard of care with which such services are normally provided in the industry. If the services fail to meet the applicable industry standard, GAI-Tronics will re-perform such services at no cost to buyer to correct said deficiency to Company's satisfaction provided any and all issues are identified prior to the demobilization of the Contractor’s personnel from the work site. Re-performance of services shall be Buyer’s sole and exclusive remedy, and in no event shall GAI-

Tronics warranty obligations with respect to services exceed 100% of the total cost of the services provided hereunder.

Warranty Periods.

Every claim by Buyer alleging a defect in the goods and/or services provided hereunder shall be deemed waived unless such claim is made in writing within the applicable warranty periods as set forth above. Provided, however, that if the defect complained of is latent and not discoverable within the above warranty periods, every claim arising on account of such latent defect shall be deemed waived unless it is made in writing within a reasonable time after such latent defect is or should have been discovered by Buyer.

Limitations / Exclusions.

The warranties herein shall not apply to, and GAI-Tronics shall not be responsible for, any damage to the goods or failure of the services supplied hereunder, to the extent caused by Buyer’s neglect, failure to follow operational and maintenance procedures provided with the equipment, or the use of technicians not specifically authorized by GAI-Tronics to maintain or service the equipment. THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE IN LIEU OF AND

EXCLUDE ALL OTHER WARRANTIES AND REMEDIES, WHETHER EXPRESS OR IMPLIED BY

OPERATION OF LAW OR OTHERWISE, INCLUDING ANY WARRANTIES OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Return Policy

If the equipment requires service, contact your Regional Service Center for a return authorization number

(RA#). Equipment should be shipped prepaid to GAI-Tronics with a return authorization number and a purchase order number. If the equipment is under warranty, repairs or a replacement will be made in accordance with the warranty policy set forth above. Please include a written explanation of all defects to assist our technicians in their troubleshooting efforts.

Call 800-492-1212 (inside the USA) or 610-777-1374 (outside the USA) for help identifying the

Regional Service Center closest to you.

(Rev. 10/06)

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