42004-697L2B

42004-697L2B
Pub. 42004-697L2B
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Model 7085-005-UL and 7085-005-EX
SmartSeries Multi-Party Hazardous Area
Amplifier Enclosures 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-UL and 7085-005-EX Multi-Party Remote Terminal Unit (RTU) Amplifier
Enclosures are components of the 700 Series Page/Party< system. These enclosures are configured for
multi-party system, which can accommodate conversations on up to five party lines simultaneously. They
are constructed of cast aluminum and are extremely weatherproof and corrosion-resistant. These
enclosures are 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
NOTE: 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.
Models 7085-005-UL and 7085-005-EX differ in design by their conduit or cable entries. The Model
7085-005-UL Enclosure contains NPT threads and the Model 7085-005-EX Enclosure contains metric
threads.
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374 „ 800-492-1212 „ Fax: 610-796-5954
VISIT WWW .GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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Installation
These enclosures 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 enclosures are equipped with factoryinstalled hinges. The enclosures should be mounted with hinges
on the left.
WARNING
Do not mount the enclosure with hinges
on the top or bottom side.
Figure 1. The Model 7085-005-UL/EX
Securely fasten the enclosure to the mounting location, using
1/2-inch diameter steel mounting bolts and washers, or washer
head bolts.
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 enclosures each contain 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 of the enclosure, and a set of aluminum hinges located on the left side.
See Figure 2.
G AI-TRO NICS C ORPORATION
P.O. BOX 1 060 READING, PA 19 607
NO US ER S ER VICE ABLE PARTS INSID E.
R EFER SER VIC ING TO QUALIFIED PER SONNE L ON LY.
GAI-TR ONIC S SER VIC E CEN TER S
In USA :1-800-492-1212
Outside U SA: 1-610-777-1374
Figure 2. Model 7085-005-UL/EX Outline Drawing
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Internal
The multi-party enclosures contain 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.
NOTE: The front door can be swung approximately 120º before the plug must be disconnected.
Figure 3. Model 7085-005-UL/EX Amplifier Enclosures interior view
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Mounting
NOTE: The mounting surface must be able to support the weight of the aluminum enclosure. See the
Specification section for the weights 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-UL/EX 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.
NOTE: 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 UL conduit entries, and to Figure 6 for the EX cable gland entries. Ensure any
unused openings are sealed with proper fittings per local standards.
Figure 5. Model 7085-005-UL Conduit Entries
Figure 6. Model 7085-005-EX 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 7.
CAUTION
For safe operation, connect terminal 3 of TB1 to system ground.
Local Muting
Figure 7 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.
The following steps mutually mutes 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 7.
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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
1 supervised input
1 supervised relay output (factory setting)
2
2 supervised inputs
No relay output
3
2 supervised inputs
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 8.
Figure 8. 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.
NOTE: 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 9.
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 10. 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 9. PLC or Switch Box
Normally Open and Normally Closed - Example
Figure 10. 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.
NOTE: 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 11.
Figure 11. 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
TB3-23
IN 1
TB3-24
Common
TB3-25
IN 2
TB3-26
Common
TB3-27
Spare
TB3-28
Line (hot) 120 V ac 50/60 Hz, 2.5 amps max.
TB3-29
Neutral 120 V ac 50/60 Hz
TB3-30
Earth ground
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.
NOTE: 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.
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.
Station does not respond to poll
message.
Check and replace fuse on the back panel of the enclosure as well as
fuses on the SmartSeries device.
The following device fault
message received at the MCU:
“Supervised Input Circuit”
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.
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.
Remove and replace the SmartSeries Handset or Amplifier.
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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)
Model 7085-005-UL ...................................................................... (-4º F to +151º F) -20º C to +66º C
Model 7085-005-EX ....................................................................... (-4º F to +140º F) -20º C to +60º C
Shipping weight ............................................................................................................. 75 lbs. (34.02 kg)
Enclosure............................................................................................................................ IP66/Type 4X
Approvals
Model 7085-005-UL
NRTL listed........................................................ Hazardous locations Class I, Div. 1, Groups B, C, D;
(USA and Canada)
Class II, Div. 1, Groups F, G;
Class III, Div. 1
T6, Type 4X
Model 7085-005-EX
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. DEMKO 05 ATEX 0526157X
Notified Body Id No. 0539
UL International DEMKO A/S
Lyskear 8
DK-2730 Herlev
Denmark
ATEX Certified ..........................................................................................ll 2 G Ex d [ib] IIB + H2 T6
Applicable standards .................................................... EN 50014:1997, A1+A2:1999, EN50020:2002,
EN 60079-0:2006 and EN 60079-1:2004
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Replacement Parts
Model No.
Description
10108-011
UL Listed Handset Assembly with 6-foot PVC Cord (with cable gland)
10108-012
ATEX Certified Handset Assembly with 6-foot PVC Cord (with cable gland)
13205-006
Receiver, Handset 150-ohm
61504-111
Reed Switch Assembly with plug and spacer
61504-112
Push-Button Cable Assembly
12511-001
Dynamic Transmitter and cap
13204-002
Receiver Cap
61512-030
Party Line Selector Switch with plug cable assembly
51808-002
Fuse, RTU Control, 2.5 A, IEC
69267-001TR RTU Control PCBA
61210-016
RTU Ribbon Cable
NOTE: 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 GAITronics 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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