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Weatherproof Industrial Telephones
WRT Series Telephones
Installation & Operation
P005418 Rev. G 180615 6/15/2018 11:44 AM
Ph: 403.258.3100 \ email:info@guardiantelecom.com \ www.guardiantelecom.com
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Guardian Telecom Installation and Operation
WRT Series Telephones
Table of Contents
Package Contents ............................................................................... 2
Overview ............................................................................................. 3
Standard Features on All Models ......................................................... 3
Features (Specific Models) .................................................................. 4
Options Available ................................................................................. 4
Accessories ......................................................................................... 4
Installing the WRT ............................................................................... 7
Setting Dialing Mode ............................................................................ 8
Field Repairs & Adjustments ................................................................ 9
Programming the WRT-20 with Membrane Keypad ........................... 10
Operating the WRT ............................................................................ 10
Specifications .................................................................................... 11
Replacement Parts ............................................................................ 12
Government Certification ................................................................... 13
Warranty ............................................................................................ 14
Disclaimer .......................................................................................... 14
Warning ............................................................................................. 14
Service Telephone Number ............................................................... 14
Feedback ........................................................................................... 14
Guardian Product Return ................................................................... 15
Cleaning Tips for Guardian Telephones ............................................. 16
Storage .............................................................................................. 16
Figure 1 - Features - Typical - Standard Models .................................. 5
Figure 2 - Overall Dimensions - Standard Models ................................ 5
Figure 3 - Features WRT-20 with Optional Mounting Plate .................. 6
Figure 4 - Overall Dimensions WRT-20 with Optional Mounting Plate.. 6
Figure 5 - Setting Dialing Mode & Installation ...................................... 8
Figure 6 - Fuse Replacement .............................................................. 9
(1) WRT Telephone
(1) Installation & Operation Manual
Table of Figures
Package Contents
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Guardian Telecom Installation and Operation
Overview
WRT Series Telephones
WRT Series Weather Resistant Telephones
WRT 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.
Enclosure
• weather tight, rugged Valox & steel
• spring loaded hinged door
Faceplate
• 16 Gauge steel with wiring access to surge arrestor
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
4’ Heavy Duty Handset Cord (Not Available With WRT-40)
• 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), provides 13.5dB of range
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Guardian Telecom Installation and Operation
Features (Specific Models)
Accessories
WRT Series Telephones
P6072 WRT-10
• Waterproof 3 x 4 Keypad
• 4’ Heavy duty handset cord
P6073 WRT-20
• 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. Softer/Louder – 2.7dB steps (+8.1dB/-5.4dB 3 steps up, 2
steps down)
• 6’ Heavy duty handset cord
P6074 WRT-30
• Metal 3 x 4 Keypad
• 4’ Heavy duty handset cord
P6075 WRT-40
• Metal 3 x 4 Keypad
• 22” Armored Handset Cord
• Handset Retainer Clips
• Stainless Steel Mounting Plate
Stainless Steel Mounting Plate (MP) (Standard on WRT-40)
20’ Heavy Duty Coil Cord (20C) (Only on WRT-20)
20’ Heavy Duty Coil Cord (20VC) (Only on WRT-10/30)
Noise Canceling Microphone (NC)
Grey Enclosure (GR)
• P7224 Potted ring detect relay
• P7225 Weather Proof ring detect relay
• P7227 Potted off-hook detect relay
• P7232 Weather Proof off-hook detect relay
• PXXXX External Loud Ringer
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Guardian Telecom Installation and Operation
WRT Series Telephones
MAGNETIC REED HOOK SWITCH
3X4 KEYPAD
(WRT-10 WATERPROOF,WRT-30
& WRT-40 METAL)
FACEPLATE - 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
9.7" [246mm]
12.0" [305mm]
11.8" [300mm]
3.8" [97mm]
2.9" [74mm]
Figure 2 - Overall Dimensions - Standard Models
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Guardian Telecom Installation and Operation
WRT Series Telephones
MEMBRANE KEYPAD (WRT-20)
FACEPLATE - 16 GA STEEL, SATIN
COAT PRIMED AND POWDER COATED
ID & APPROVALS
WIRING ACCESS PLATE
Figure 3 - Features WRT-20 with Optional Mounting Plate
9.7" [246mm]
Ø0.3" [Ø7mm]
14.0" [356mm]
12.0" [305mm]
6.0" [152mm]
3.0" [75mm]
13.0" [330mm]
11.8" [300mm]
Figure 4 - Overall Dimensions WRT-20 with Optional Mounting Plate
3.9" [99mm]
3.8" [97mm]
2.9" [74mm]
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