Guardian Technologies Telephone WRT 10 A User Manual

Industrial Communications Worldwide  
Weather Resistant Industrial Telephones  
WRT-A Series  
Installation & Operation  
WRT-30-A  
WRT-10-A  
WRT-40-A  
P006290 Rev. A 5/19/2005 8:09 AM  
7552 - 10th Street N.E. Calgary, Alberta, Canada T2E 8W1  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Overview  
WRT-A Weather Resistant Telephone Series  
WRT-A telephones are designed to provide safe, reliable communication in areas prone to high  
humidity, chemical vapors, dust and physical abuse. Several variations and options are available to  
suit the end user’s requirements.  
Standard Features On All Models  
Enclosure  
Weather tight, rugged Valox® & steel  
Spring loaded hinged door  
Faceplate  
16 Gauge steel – satin coat primed and powder coated, with wiring  
access to surge arrestor  
Mounting Plate  
Stainless steel back plate for ease of mounting  
Encapsulated Circuitry  
Circuit boards are resistant to corrosive agents (e.g. H2S, SO2, and  
NH3), and environments with high humidity  
Surge Arrestor  
Protects the user in the event of a high voltage spike on the telephone  
line  
Fuse  
Prevents damage to the electronic circuits in the event of a high  
voltage spike on the telephone line  
Magnetic Reed Hook Switch  
No moving parts  
Tone (DTMF) Operation  
Factory set to tone (DTMF) dialing  
Pulse dialing can be ordered or configured in the field  
6’ Heavy Duty Handset Cord (Not Available With WRT-A-40)  
Withstands severe use  
Hearing-Aid Compatible (HAC) Receiver  
Compatible with inductively coupled hearing-aid devices  
Page 3  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
MAGNETIC REED HOOK SWITCH  
3X4 KEYPAD  
(WRT-10-WATERPROOF, WRT-30 &  
WRT-40 - METAL)  
16 GA STEEL, SATIN COAT  
PRIMED AND POWDER COATED  
VELCRO DOOR LATCH  
ID & APPROVALS  
HEAVY DUTY HANDSET  
CORD  
WIRING ACCESS PLATE  
Figure 1 - Features - Typical - Standard Models  
Ø0.3" [Ø7mm]  
8.8" [224mm]  
3.0" [75mm]  
9.7" [246mm]  
Figure 2 - Overall Dimensions  
Page 4  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Installing the WRT-A  
WRT-A telephones shall be installed by qualified service personnel.  
See: Figure 3 - Setting  
Dialing Mode &  
Installation  
The WRT-A is set to tone dialing when shipped. If pulse dialing is required  
see the section on Setting Dialing Mode.  
Follow all appropriate electrical codes and use only approved electrical  
fittings for the installation.  
See: Figure 2 - Overall  
Dimensions  
Choose a wall location that is free of obstructions and permits space for  
wiring.  
Ensure mounting can support 6.5 lbs (2.95 kg) plus any additional,  
foreseeable load.  
Ensure that none of the electrical connection circuits are live.  
Mounting  
Use the template or the unit itself to locate and drill holes for mounting  
screws.  
Secure the unit to the wall.  
Hard Wiring the WRT-A to the Telephone System  
Remove the wiring access cover plate.  
Install a suitable conduit hub or cable gland in the cable entrance hole.  
Bring cable into the enclosure through the cable entrance and attach  
individual wires from the exchange – Tip/Ring/Ground – to the surge  
arrestor (Tip & Ring are not polarity sensitive).  
WARNING  
Protective earthing terminal of the phone shall be properly hardwired  
to a protective earth system.  
Replace the wiring access cover plate.  
Final Check  
Check the set visually for loose screws and trapped wires. Check that the  
handset hangs freely in the cradle and that the handset cord is not trapped  
by the door.  
Check that the faceplate is snug to its gasket, paying particular attention to  
the area around the cradle. Check that the door closes flush to the housing.  
Test the unit by calling to and from another unit on the exchange.  
Operation  
Once your Model WRT-A Telephone has been properly installed and  
energized, operation is identical to most other single line telephones.  
WARNING  
Due to magnetic fields, it is possible that dangerous objects may get trapped  
within the earcap region of this device.  
Page 5  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Setting Dialing Mode  
The WRT-A is shipped from the factory set for DTMF (Tone) dialing mode. If  
loop disconnect (Pulse) dialing is required proceed as follows.  
See: Figure 3 - Setting  
Dialing Mode &  
Installation  
Loosen the five captive screws in the faceplate and swing the faceplate to  
the left. If the set is on a vertical surface the faceplate will stay open like a  
book in this position. Take care not to disturb the internal wiring.  
Change the position of the Tone/Pulse jumper on the circuit board to Pulse,  
as indicated on the label.  
The set will now be in pulse dialing mode, it can be returned to tone mode  
by changing the position of the jumper back to the Tone position.  
Carefully replace the front plate and install all five screws. Do not over  
tighten the cover screws, there is a flexible gasket between the cover and  
the body. Excessive tightening of the screws deforms the gasket and  
reduces the weather resistance of the set.  
TONE/PULSE  
JUMPER  
F
Guardian Telecom Inc.  
S/N:____________  
Calgary, Canada  
PHONE RIN- HK  
LINE GER SW  
TONE/  
PULSE  
HANDSET  
GROUND CONNECTION  
TIP & RING CONNECTION  
Figure 3 - Setting Dialing Mode & Installation  
Page 6  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Field Repairs & Adjustments  
Field repairs may only be carried out by qualified technicians using OEM parts.  
Substitution of parts voids warranty and may pose a hazard to users of the  
equipment.  
See: Replacement Parts  
Disconnect the telephone from Tip and Ring power supplied by the PABX  
or central office before attempting repairs.  
See: Figure 4 - Fuse  
Replacement  
Loosen the five captive screws in the faceplate and swing the faceplate to  
the left. If the set is on a vertical surface the faceplate will stay open like a  
book in this position. Take care not to disturb the internal wiring.  
Perform the necessary repairs or adjustments.  
Note: Ensure that  
connections are secure  
before replacing  
faceplate.  
Carefully replace the front plate and install all five screws. Do not over  
tighten the cover screws, there is a flexible gasket between the cover and  
the body. Excessive tightening of the screws deforms the gasket and  
reduces the weather resistance of the set.  
Fuse Replacement  
Remove the old fuse by pushing in the end cap of the fuse holder and  
turning counterclockwise to open. Insert a new 0.25 amp, 250Volt, 3AG  
fast blow fuse and close the fuse holder.  
WARNING!  
Replace only with a 0.25 amp 250V 3AG fast blow fuse. Failure to do so  
will void the warranty.  
If, on reconnecting power, the fuse fails, check the telephone system  
wiring. The fuse protects the Tip and Ring line from the telephone system.  
It is usually powered at 48 volts DC and must not be connected to 120 volts  
AC.  
FUSE  
0.25 AMP .3AG  
FAST BLOW  
GROUND CONNECTION  
GROUND  
TIP & RING CONNECTION  
Figure 4 - Fuse Replacement  
Page 7  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Engineering Specifications  
*ELECTRICAL PERFORMANCE  
AUDIBLE RANGE FREQUENCY RESPONSE  
DIALING METHOD  
300 – 3400 HZ  
DTMF OR 33/66 PULSE AT 10 PPS  
SHORT 8 dB +/- 4 dB  
SHORT -4 dB +/- 4 dB  
>11 dB  
SEND LOUDNESS RATING (SLR) dB  
RECEIVE LOUDNESS RATING (RLR) dB  
SIDE TONE MASKING RATING (STMR)  
RINGER OUTPUT  
75 dB MAXIMUM  
RINGER EQUIVALENCE  
0.5  
SET IMPEDANCE  
600 OHMS NOMINAL  
15,000 FT (4,600 M) OF 22 AWG COPPER  
MAXIMUM LOOP  
ELECTRICAL  
RINGER SENSITIVITY  
LINE VOLTAGE  
40 – 100 V, 16 – 25 HZ  
24 – 56 VDC  
LOOP CURRENT  
20 - 120 mA  
SURGE ARRESTOR / TERMINAL BLOCK  
CONNECTION METHOD  
FUSE  
¼ AMP 250 VOLT 3AG FAST BLOW  
ENVIRONMENTAL  
WEATHERPROOF  
TEMPERATURE  
HUMIDITY  
ENCLOSURE NEMA 3R  
-40O TO +60O C (-40O TO +140O F)  
0 TO 95% RH  
DUSTPROOF  
FULLY GASKETED FACEPLATE & WEATHERPROOF KEYPAD  
MIL-STD-810E SALT FOG  
CORROSION RESISTANT  
MECHANICAL  
HOOK SWITCH (CRADLE SWITCH) LIFE  
BODY CONSTRUCTION  
DIMENSIONS  
>1 000 000 OPERATIONS  
GE VALOX 357® ENGINEERING POLYMER  
12 X 9.6 X 3.9 INCHES (305 X 245 X 99 MM)  
NET WEIGHT  
6.5 LBS (2.95 KG)  
HANDSET MATERIAL  
MICROPHONE  
HIGH IMPACT ABS  
NOISE REDUCING ELECTRET  
NOISE CANCELING DYNAMIC  
HEARING AID COMPATIBLE (HAC)  
VERTICAL WALL  
OPTIONAL MICROPHONE  
RECEIVER  
STANDARD MOUNTING  
WIRING ACCESS  
7/8” DIAM. OPENING FOR OWNER SUPPLIED FITTING  
Page 8  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
COMPLIANCE  
ACA  
N14510  
DOC  
1012 6721 A  
FCC  
HQHCAN-22517-TE-E  
ENCLOSURE NEMA 3R  
MIL-STD-810E  
WEATHERPROOF  
ENVIRONMENTAL SURVIVABILITY  
Replacement Parts  
Part No.  
Description  
P005765  
P003022  
P002294  
P002554  
P005961  
P004371  
P000028  
P004538  
P002080  
P006307  
P004259  
P006291  
P006281  
P005576  
P000907  
P006295  
P002782  
P005917  
P002992  
P002991  
P000126  
P003045  
P002988  
P001706  
Faceplate WRT-A (All Models)  
Handset Shell C/W 22” Armored Cord  
Handset Shell Only – For WRT-10-A & WRT-30-A  
Cord – Handset 6’  
Handset Cradle C/W Reed Switch  
Handset Retainer – WRT-40-A Only  
Microphone Cartridge – Noise Reducing  
Microphone Cartridge – Noise Canceling  
Receiver Cartridge  
Handset Assembly Complete – C/W 6’ Curly Cord For WRT-10-A & WRT-30-A  
Handset Assembly Complete – C/W 22” Armored Cord For WRT-40-A  
Keypad Assembly – Plastic C/W Telephone Circuit Board For WRT-10-A  
Telephone Circuit Board  
Keypad – Plastic For WRT-10-A  
Keypad Cover – Teleseal For WRT-10-A  
Keypad – Metal For WRT-30-A & WRT-40-A  
Ringer – Floyd Bell BR-3-39  
Reed Switch  
Surge Arrestor – TII 126L1  
Fuse – Glass 0.25 Amp 250V  
Housing  
Backplate  
Door C/W Velcro Latch  
Hinge Pin – 8.390 Nylon  
Door Spring  
Hinge Pin Retaining Ring  
P001488  
P002995  
Page 9  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Government Certification  
Attached to the telephone is a label for the Australian Communications Authority. This identifies  
equipment certifications indicating the WRT-A series telephones meet certain telecommunications  
network protective, operational and safety requirements. This agency does not guarantee the  
equipment will operate to the user's satisfaction.  
Before installing this telephone equipment, users should ensure it is permissible to connect the  
equipment to facilities of the local telecommunications company.  
Equipment must be installed using acceptable connection methods. In some cases, the telephone  
users inside wiring, associated with a single line service, may be extended by a certified connector  
assembly (telephone extension cord). The customer should be aware that in some situations  
compliance with the above conditions may not prevent degradation of service.  
Repairs to certified equipment should be made by a supplier designated authorized maintenance  
facility.  
For their own protection users should ensure the electrical ground connections of the power utility,  
telephone lines and internal metallic water pipe systems, if present, are connected. This precaution  
may be particularly important in rural areas.  
CAUTION: Users should not attempt to make ground connections, but should contact the appropriate  
electrical inspection authority or electrician.  
Notification to Telephone Company  
Upon request, the customer must notify the telephone company of the particular line to which the  
connection will be made and provide the Australian Communications Authority registration number. The  
local telephone company may request disconnection of the telephone where alterations or malfunctions  
affect the telephone’s performance.  
ACA Rules and Ringer Equivalence Number  
This equipment complies with the regulation AS/ACIF S002:2001 Australian Standard Analogue  
internetworking and non-interference requirements for customer equipment for connection to public  
switched telephone networks. On the side of this equipment is a label that contains, among other  
information, the ACA registration number and ringer equivalence number (REN) for this equipment. If  
requested, this information must be provided to the telephone company.  
The REN is used to determine the quantity of devices which may be connected to the telephone line.  
Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming  
call. In most, but not all areas, the sum of the RENs should not exceed three. To be certain of the  
number of devices that may be connected to the line, as determined by the total RENs, contact the  
telephone company to determine the maximum REN for the calling area.  
Service changes and Limitations  
The telephone company may make changes in its facilities, equipment, operations, or procedures that  
could affect the operation of the equipment. If this happens, the telephone company will provide  
advance notice in order for you to make the necessary modifications in order to maintain uninterrupted  
service.  
This equipment can not be used on public coin telephone service as provided by your telephone  
company. Connection to party line service is subject to state tariffs (contact the state public utility  
commission, public service commission or corporate commission for information.)  
Page 10  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Warranty  
Guardian Telecom warrants your product to be free of defects in material and workmanship for a period  
of one year. Guardian Telecom will repair or replace any defective unit that is under warranty free of  
charge.  
This warranty is null and void if any non-authorized modifications have been made to this product, or if  
it has been subjected to misuse, neglect, or accident. This warranty covers bench repairs only; such  
repairs must be made at Guardian Telecom or an authorized service depot. Guardian Telecom is not  
responsible for costs incurred for on-site service calls, freight, or brokerage.  
A return authorization must be obtained prior to warranty claims or repairs.  
Disclaimer  
The products covered by this manual are designed for use in Industrial Environments and/or Hazardous  
Locations. Due to the range of possible applications for these instruments the manufacturer will not be  
responsible for damages or losses of any kind suffered as a result of the use of this product, including  
consequential damages.  
Warning  
This device may be opened and reassembled by qualified personnel only, for the purposes of installing  
the product, making adjustments and replacing components, following the instructions in the product  
manual.  
High voltages may be present in this product when connected to telephone wiring.  
Service Telephone Number  
1-800-363-8010 – North America  
Guardian Telecom provides a customer service telephone number which is toll-free within North  
America. The Authorized Dealer/Service Depot is listed below for your area. If you need assistance  
when installing or operating this product, please call the toll-free telephone number or the Authorized  
Service Depot between regular business hours (8:00AM-5:00PM). If you are calling outside regular  
business hours, please leave a detailed message, and a member of Guardian Telecom’s Service  
Department will return your call as soon as possible. If your product requires service, Guardian  
personnel will supply you with an RMA (return materials authorization) number over the telephone or  
through our web site product return page at http://www.guardiantelecom.com. This number must be  
included with your return address and the name of the person to contact.  
Qmax Group Pty Ltd  
21 Jubaea Crt  
Canning Vale  
Western Australia 6155  
Phone (08) 9455-4671  
Fax (08) 6210-1749  
(Click to open message box)  
Feedback  
Guardian Telecom continually strives to make reliable, durable, and easy to use products. If you, as an  
installer or user of our equipment, have any suggestions for improvements to this or any of our products  
or documents, including this manual, we would appreciate hearing from you.  
Page 11  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Guardian Product Return  
Guardian products have been quality tested and are in full working order when shipped from  
the factory, given the rugged nature of these products shipping is not expected to damage a  
unit. In the unlikely event of a malfunction, Guardian follows the three step procedure below.  
Step I - On-Site Correction  
The most common source of difficulties with a new product is improper installation in one of  
two ways: incorrect wiring connections or connection to an incorrect power source.  
Product wiring needs to be properly connected to the on-site wiring. Correct wiring  
instructions are shown in the user manual included with the product.  
Connecting a telephone to a standard power source, rather than tip & ring, will blow the  
telephone’s internal, user-replaceable fuse. In the event of fuse burn-out, disconnect the  
telephone from the power source, replace the fuse, and reconnect following the wiring  
diagrams provided with the product.  
Step II - Return Materials Authorization (RMA)  
When a product has been installed following user manual instructions, and the unit fails to  
operate, the user must contact the Service Number indicated on the previous page, to  
obtain authorization to return the product.  
After providing information on the product, the owner and the nature of the problem,  
Guardian will issue a RMA number, to be shown on documentation returned with the  
product.  
In addition to the RMA number, shipping documents should include name, address and  
telephone number of the owner along with contact information for the person responsible  
for the repair and/or the user who identified the malfunction.  
Step III - Factory Authorized Service  
Once received, each product is carefully inspected and tested. If the product is under  
warranty, repairs are completed and the product returned to the owner, generally within  
five working days of receipt.  
A product that has been subjected to misuse, neglect or accident or is beyond the warranty  
period will be evaluated. The service department will provide the owner’s representative  
with a repair cost estimate. Once approved, repairs are completed and the product  
returned, generally within five working days.  
Page 12  
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Guardian Telecom Inc.  
Installation and Operation  
Model WRT-A  
Notes:  
Model No.  
Part No.  
Serial No.  
Date of Purchase  
Page 13  
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Guardian Telecom Inc.  
7552 - 10th Street N.E.  
Calgary, Alberta, Canada T2E 8W1  
Toll-free 1-800-363-8010  
Ph. (403) 258-3100  
Fax. (403) 253-4967  
E-mail: mailto:[email protected]  
(Click to open message box)  
Industrial Communications Worldwide  
© Guardian Telecom Inc. 2005  
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