P005610 Rev. D - Guardian Telecom Inc.
Weather Resistant Hazardous Area Telephones
WRT-H & WRT-HD Series
Installation & Operation
WRT-10-H/-HD
WRT-30-H
WRT-20-H/-HD
WRT-40-H
P005610 Rev. D 141015 10/17/2014 11:03 AM
Ph: 403.258.3100 \ email:[email protected] \ www.guardiantelecom.com
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Table of Contents
Package Contents.................................................................................2 Overview ...............................................................................................3 Standard Features on All Models..........................................................3 Features (Specific Models) ...................................................................4 Options Available ..................................................................................4 Accessories...........................................................................................4 Installation .............................................................................................6 Setting Dialing Mode .............................................................................7 Field Repairs & Adjustments.................................................................8 Programming the WRT-20-H/-HD with Membrane Keypad ..................9 Operation ..............................................................................................9 Engineering Specifications..................................................................10 Replacement Parts..............................................................................11 Government Certification ....................................................................12 Warranty..............................................................................................13 Disclaimer ...........................................................................................13 Warning...............................................................................................13 Service Telephone Number ................................................................13 Feedback ............................................................................................13 Guardian Product Return ....................................................................14 Table of Figures
Figure 1 - Features - Typical .................................................................1
Figure 2 - Overall Dimensions...............................................................5
Figure 3 - Setting Dialing Mode & Installation .......................................7
Figure 4 - Fuse Replacement................................................................8
Package Contents
(1) WRT-H or WRT-HD Telephone
(1) Installation & Operation Manual
Page 2
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Overview
WRT-H & WRT-HD Series Weather Resistant Hazardous Area Telephones
WRT-H & WRT-HD telephones are designed to provide safe, reliable communication in hazardous
areas that are prone to high humidity, chemical vapors, dust and physical abuse. Several variations
and options are available to suit the end user’s requirements.
The WRT-H model is approved for use in Class I, Division 2 Groups A, B, C & D areas.
The WRT-HD is available in -10 and -20 models only and these are approved for use in Class I,
Division 2 Groups A, B, C & D and Class II, Division 1 & 2 Groups E, F & G areas. (Class II
compliance is accomplished by eliminating volume controls from the handset and replacing the
electronic ringer with a mechanical one).
The units are housed in rugged, weather and corrosion resistant enclosures that ensure operation in
severe conditions.
Standard Features on All Models
Enclosure
 weather tight, rugged Valox & steel
 spring loaded hinged door
Faceplate
 16 Gauge steel with wiring access to surge arrestor
Mounting Plate
 Stainless Steel mounting plate for ease of installation
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-40-H)
 withstands severe use
Hearing-Aid Compatible (HAC) Receiver
 compatible with inductively coupled hearing-aid devices
Receiver Volume Control
 Switch in handset (on keypad of WRT-20-H/-HD), provides 13.5dB of
range. Receiver volume control is not available on the WRT-10-HD
Page 3
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Features (Specific Models)
P6672 WRT-10-H and P6676 WRT-10-HD
 Waterproof 3 x 4 Keypad
 WRT-10-H has an electronic ringer, WRT-10-HD has a mechanical bell
P6673 WRT-20-H and P6677 WRT-20-HD
 Membrane Keypad With Features
1.
weather tight
2.
10 number memory
3.
Redial - last number (31 digits)
4.
Recall - obtains dial tone without hanging up handset
5.
Flash - 600ms timed loop break
6.
Pause - 3 second pause in programming
7.
Mute - disables handset microphone
8.
Volume Control Softer/Louder – 2.7dB steps (+8.1dB/5.4dB 3 steps up, 2 steps down)
 WRT-20-H has an electronic ringer, WRT-20-HD has a mechanical bell
P6675 WRT-30-H
 Metal 3 x 4 Keypad
 6’ Heavy duty handset cord
P6674 WRT-40-H
 Metal 3 x 4 Keypad
 22” Armored Handset Cord
 Handset Retainer Clips
Options Available
20’ Heavy Duty Curly Cord
20’ Heavy Duty Curly Cord
with Volume Control Handset
36” Armored Cord with
Volume Control Handset
72” Armored Cord with
Volume Control Handset
Noise Canceling Microphone
Grey Enclosure
Red Enclosure
(20C)
(Only on WRT-20-H/-HD
and WRT-10-HD)
(20VC)
(Only on WRT-10/30-H)
(36AVC) (Only on WRT-40-H)
(72AVC) (Only on WRT-40-H)
(NC)
(GR)
(RED)
Accessories
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
P7224 Potted ring detect relay
P7226 Hazardous Area ring detect relay
P7227 Potted off-hook detect relay
P7233 Hazardous Area 48V off-hook detect relay
PXXXX External Loud Ringer
Page 4
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
MAGNETIC REED HOOK SWITCH
3X4 KEYPAD
(WRT-10-H WATERPROOF,WRT-30-H
& WRT-40-H METAL)
FACEPLATE - 16 GA STEEL SATIN
COAT PRIMED AND POWDER COATED
VELCRO DOOR LATCH
TELEPHONE FOR USE IN
Guardian
Telecom
HAZARDOUS LOCATIONS
WEATHER RESISTANT
Inc.
C
US
MODEL: XXXXXXXX
SN:
XXXXXXXX
CLASS I DIV 2 GRPS A,B,C,D
CLASS II DIV 1 and 2 GRPS E,F,G
TEMP. CODE T5
INPUT: 24-56Vdc, 20-120mA
RINGER SENSITIVITY: 40-100V,
ENCLOSURE TYPE: 3R
16-25Hz
REN: 0.9B
1012 6712 A
HQHCAN-22517-TE-E
www.guardiantelecom.com IC:
MADE IN
CANADA
FCC:
ID & APPROVALS
HEAVY DUTY HANDSET CORD
WIRING ACCESS PLATE
STAINLESS STEEL BACKPLATE
Figure 1 - Features - Typical
Ø0.3" [Ø7mm]
9.7" [246mm]
6.0" [152mm]
Figure 2 - Overall Dimensions
Page 5
13.0" [330mm]
11.8" [300mm]
3.9" [99mm]
14.0" [356mm]
3.8" [97mm]
2.9" [74mm]
12.0" [305mm]
3.0" [75mm]
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Installation
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The WRT-H/-HD is set to tone dialing when shipped. If pulse dialing is
required see the section on Setting Tone/Pulse Operation.
Follow all appropriate electrical codes and use only approved electrical
fittings for the installation.
To avoid the possibility of creating sparks in a hazardous atmosphere
disconnect the wiring at the demarcation block or ensure that the area is
non-hazardous before proceeding.
To avoid shock hazard ensure that none of the electrical connection circuits
are live by disconnecting the Tip and Ring conductors at the demarcation
block.
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.
Use the template to locate and drill holes for mounting screws.
Use #10 or M5 screws to secure the unit to the wall. Use anchors in plaster
or cement to provide a firm grip for the mounting screws. Use sturdy hollowwall fasteners to mount the set to drywall.
Remove the wiring access cover plate.
Bring cable into the enclosure through the conduit entrance and attach
individual wires from the exchange – Tip/Ring/Ground – to the surge
arrestor (Tip & Ring are not polarity sensitive). If a conduit hub is used,
ensure it is grounded to the ground stud.
Replace the wiring access cover plate.
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.
Connect the Tip and Ring conductors at the demarcation block.
Test the unit by calling to and from another unit on the exchange.
Page 6
See: Figure 3 - Setting
Dialing Mode &
Installation
See: Figure 2 - Overall
Dimensions
See: Figure 2 - Overall
Dimensions
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Setting Dialing Mode
The WRT-H/-HD is shipped from the factory set for DTMF (Tone) dialing mode.
If loop disconnect (Pulse) dialing is required proceed as follows.
 Disconnect the wiring at the demarcation block or ensure that the area is
non-hazardous before proceeding.
 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.
See: Figure 3 - Setting
Dialing Mode &
Installation
TONE/PULSE
JUMPER
GROUND
CONNECTION
GROUND
TIP & RING
CONNECTION
Figure 3 - Setting Dialing Mode & Installation
Page 7
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
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 wiring at the demarcation block or ensure that the area is
non-hazardous before proceeding.
 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.
 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
Figure 4 - Fuse Replacement
Page 8
See: Figure 4 - Fuse
Replacement
Note: Ensure that
connections are secure
before replacing
faceplate.
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Programming the WRT-20-H/-HD with Membrane Keypad
A direct memory access register can be assigned to each of the 10 number
keys.
Each direct memory access register can contain up to 20 characters.







Lift the telephone handset off the hook.
Press Program to put the phone into programming mode.
Press Memory.
Press a number key 0-9.
Enter the telephone number you want to store. Valid entries are 0-9, *, #,
and Pause (e.g., 1-800-363-8010).
If your phone requires you to dial 9 – or other digit – to access an outside
line, press the appropriate key, then the Pause key, then enter the
telephone number you want to store.
Press Program again to leave programming mode and return to normal
telephone operation.
Tip: You can store up to
10 numbers in memory.
Tip: Valid characters are
0-9, *, # and Pause.
Tip: The number
selected is assigned to
the access register.
Operation
Manual Operation:

Lift the handset and dial manually.
Tip: Valid keys for
manual dialing are 0-9, *
and #.
Automatic Memory Dialing For the WRT-20-H/-HD with Membrane Keypad
 Lift the handset.
 Press Memory.
 Press a number key 0-9.
 The number stored in the register will automatically dial.
Page 9
Tip: Program the WP70
to use this quick dialing
method.
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Engineering Specifications
ELECTRICAL PERFORMANCE
AUDIBLE RANGE FREQUENCY RESPONSE
DIALING METHOD
TRANSMIT OBJECTIVE LOUDNESS RATING (TOLR)
RECEIVER VOLUME ADJUSTMENT
RECEIVE OBJECTIVE LOUDNESS RATING (ROLR)
-AT NOMINAL VOLUME LEVEL
-AT MAXIMUM VOLUME LEVEL
-AT MINIMUM VOLUME LEVEL
SIDE TONE OBJECTIVE LOUDNESS RATING (SOLR)
-AT NOMINAL VOLUME LEVEL
-AT MAXIMUM VOLUME LEVEL
-AT MINIMUM VOLUME LEVEL
MEMORY DIAL (WRT-20-H/-HD ONLY)
FLASH (WRT-20-H/-HD ONLY)
MUTE (WRT-20-H/-HD ONLY)
REDIAL (WRT-20-H/-HD ONLY)
RINGER OUTPUT
FCC RINGER EQUIVALENCE
SET IMPEDANCE
MAXIMUM LOOP
300 – 3400 HZ
DTMF OR 40/60 PULSE AT 10 PPS
-38 +/- 3 dB
+8.1 / -5.1 dB IN STEPS OF 2.7 dB
50 +/- 3 dB
42 +/- 3 dB
55.5 +/- 3 dB
11 +/- 4 dB
7 +/- 4 dB
14 +/- 4 dB
10 REGISTERS OF 20 DIGITS EACH
600 MSEC TIMED DISCONNECT
PRESS KEY TO MUTE TRANSMITTER
31 DIGITS MAXIMUM
75 dB MAXIMUM
0.8B
600 OHMS NOMINAL
15,000 FT (4,600 M) OF 22 AWG COPPER
ELECTRICAL
RINGER SENSITIVITY
LINE VOLTAGE
LOOP CURRENT
CONNECTION METHOD
FUSE
40 – 100 V, 16 – 25 HZ
24 – 56 VDC
20 - 120 mA
SURGE ARRESTOR
¼ AMP 250 VOLT 3AG FAST BLOW
ENVIRONMENTAL
WEATHERPROOF
TEMPERATURE
HUMIDITY
DUSTPROOF
CORROSION RESISTANT
ENCLOSURE NEMA 3R
-40O TO +60O C (-40O TO +140O F)
0 TO 95% RH
FULLY CASKETED ENCLOSURE
MIL-STD-810E SALT FOG
MECHANICAL
HOOK SWITCH (CRADLE SWITCH) LIFE
BODY CONSTRUCTION
DIMENSIONS
NET WEIGHT
HANDSET MATERIAL
MICROPHONE
OPTIONAL MICROPHONE
RECEIVER
STANDARD MOUNTING
WIRING ACCESS
HARDWARE MATERIAL
>1 000 000 OPERATIONS
®
GE VALOX 357 ENGINEERING POLYMER
12 X 9.6 X 3.9 INCHES (305 X 245 X 99 MM)
6.5 LBS (2.95 KG)
HIGH IMPACT ABS
NOISE REDUCING ELECTRET
NOISE CANCELING DYNAMIC
HEARING AID COMPATIBLE (HAC)
VERTICAL WALL
½” NPT CONDUIT HUB
STAINLESS STEEL
Page 10
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
COMPLIANCE
INDUSTRY CANADA
FCC
CSA (C & US)
TEMPERATURE CODE
WEATHERPROOF
ENVIRONMENTAL SURVIVABILITY
1012 6721 A
HQHCAN-22517-TE-E
1545708
WRT-H
CLASS I, DIV. 2, GROUPS A, B, C & D
WRT-HD CLASS I, DIV. 2, GROUPS A, B, C & D
CLASS II DIV 1 & 2, GROUPS E, F & G
T5
ENCLOSURE NEMA 3R
MIL-STD-810E
Note: The WRT-10-HD does not meet FCC and IC requirements for receiver volume control.
Replacement Parts
Part No.
P005765
P005777
P000104
P003045
P005961
P004371
P000028
P004538
P002080
P005833
P000113
P002657
P005391
P005699
P005786
P005582
P005786
P000907
P006295
P005224
P002782
P001970
P005917
P002992
P002991
P000126
P002988
P001706
P001488
P002995
Description
Faceplate for WRT-10/30/40-H/-HD
Faceplate for WRT-20-H/-HD
Conduit Hub
Mounting Plate
Handset Cradle C/W Reed Switch
Handset Retainer – WRT-40-H/-HD Only
Microphone Cartridge – Noise Reducing
Microphone Cartridge – Noise Canceling
Receiver Cartridge
Handset Assembly Complete – 6’ Volume Control Curly Cord for WRT-10-H
Handset Assembly Complete – 6’ Curly Cord for WRT-10-HD and WRT-20-HD
Handset Assembly Complete – 6’ Curly Cord for WRT-20-H
Handset Assembly Complete – 6’ Volume Control Curly Cord for WRT30-H
Handset Assembly Complete – 22” Volume Control Armored Cord for WRT-40-H
Keypad Assembly – Plastic C/W Telephone Circuit Board For WRT-10-H/-HD only
Telephone Circuit Board
Keypad – Plastic For WRT-10-H/-HD
Keypad Cover – Teleseal For WRT-10-H/-HD
Keypad – Metal For WRT-30-H/-HD & WRT-40-H/-HD
Keypad – Membrane For WRT-20-H/-HD
Ringer – Floyd Bell BR-3-39 for all -H models
Ringer – Mechanical Bell for all -HD models
Reed Switch
Surge Arrestor – TII 126L1
Fuse – Glass 0.25 Amp 250V
Housing
Door C/W Velcro Latch
Hinge Pin – 8.390 Nylon
Door Spring
Retaining Ring
Page 11
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Government Certification
Attached to the telephone are labels for Industry Canada and the United States Federal Communications Commission. These identify
equipment certifications indicating the 60 and 70 series telephones meet certain telecommunications network protective, operational
and safety requirements. These agencies do 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.
Load Number (LN)
The Load Number (LN) assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop
used by the device. Termination on a loop may consist of any combination of devices subject only to the requirement that the total of
the Load Numbers of all the devices does not exceed 100.
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 Industry Canada or FCC registration number. The local telephone company may request disconnection of the telephone where
alterations or malfunctions affect the telephone’s performance.
United States Federal Communications Commission
This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the
instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for Class
A computing device pursuant to Subpart J of Part 15 of FCC rules, which are designed to provide reasonable protection against such
interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause
interference in which case the user, at his own expense, will be required to take whatever measures may be required to correct the
interference.
Interference
There is no guarantee that interference will not occur in a particular installation. If interference to radio or television reception from this
equipment is suspected, proceed as follows:
1.
Unplug the set, check for the interference.
2.
Re-orient the receiving antenna.
3.
Relocate the set with respect to the receiver.
4.
Move the set away from the receiver.
If necessary, consult the supplier or an experienced radio/television technician for additional suggestions.
FCC Rules and Ringer Equivalence Number
This equipment complies with Part 68 of the FCC Rules. On the side of this equipment is a label that contains, among other
information, the FCC 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 five. 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 cannot 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 12
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
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. Before opening this telephone disconnect the wiring at the demarcation block.
High voltages may be present in this product when connected to telephone wiring.
Service Telephone Number
1-800-363-8010
Guardian Telecom provides a customer service telephone number which is toll-free within North
America. If you need assistance when installing or operating this product, please call the toll-free
telephone number between regular business hours (8:00AM-5:00PM), Mountain Standard Time. If you
are calling outside of 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. This number must be included
with your return address and the name of the person to contact.
Guardian Telecom Inc.
Toll-free 1-800-363-8010
Ph. (403) 258-3100
Fax. (403) 253-4967
www.guardiantelecom.com
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 13
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
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 Guardian Telecom to obtain authorization to return the
product. This can be done by completing a RMA form online at
www.guardiantelecom.com, or by calling the service telephone number given in this
manual.

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.

(Where a product is being returned for repair from outside of Canada, customs
documentation must show the product’s serial number, date of export [date of purchase],
and a notation that the equipment is: “Canadian goods returning.”)
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 by the factory.

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 14
Guardian Telecom Inc.
Installation and Operation
Models WRT-H & WRT-HD
Notes:
Model No.
Part No.
Serial No.
Date of Purchase
Page 15
Guardian Telecom Inc.
Toll-free 1-800-363-8010
Phone (403) 258-3100
Fax. (403) 253-4967
www.guardiantelecom.com
E-mail: [email protected]
(Click to open message box)
CONNECTED. PROTECTED.
© Guardian Telecom Inc. 2014
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