Guardian WRT-20, WRT-10, WRT-30, WRT-40 Installation & Operation Manual

Industrial Communications Worldwide

Weatherproof Industrial Telephones

WRT Series

Installation & Operation

WRT-10

WRT-20

P005418 Rev. E 090603 6/10/2009 3:31 PM

7552 - 10th Street N.E. Calgary, Alberta, Canada T2E 8W1

Ph: 403.258.3100 \ email:[e-mail] \ www.guardiantelecom.com

WRT-30

WRT-40

Guardian Telecom Inc.
Installation and Operation

Model WRT

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

Engineering Specifications..................................................................11

Replacement Parts..............................................................................12

Government Certification ....................................................................13

Warranty..............................................................................................14

Disclaimer ...........................................................................................14

Warning...............................................................................................14

Service Telephone Number ................................................................14

Feedback ............................................................................................14

Guardian Product Return....................................................................15

Table of Figures

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

Package Contents

(1) WRT Telephone
(1) Installation & Operation Manual

Page 2

Guardian Telecom Inc.
Installation and Operation

Model WRT

Overview

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.

Standard Features On All Models

Enclosure

• weather tight, rugged Valox

• 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. H
NH

), and environments with high humidity

3

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)

• 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

®

& steel

S, SO2, and

2

Page 3

Guardian Telecom Inc.
Installation and Operation

Model WRT

Features (Specific Models)

P6072 WRT-10

• Waterproof 3 x 4 Keypad

• 6’ Heavy duty handset cord

P6073 WRT-20

• Membrane Keypad With Features

weather tight
10 number memory
Redial - last number (31 digits)
Recall - obtains dial tone without hanging up handset
Flash - 600ms timed loop break
Pause - 3 second pause in programming
Mute - disables handset microphone
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

• 6’ Heavy duty handset cord

P6075 WRT-40

• Metal 3 x 4 Keypad

• 22” Armored Handset Cord

• Handset Retainer Clips

• Stainless Steel Mounting Plate

Options Available

Stainless Steel Mounting Plate (MP) (Standard on WRT-40)
20’ Heavy Duty Curly Cord (20C) (Only on WRT-20)
20’ Heavy Duty Curly Cord (20VC) (Only on WRT-10/30)
Noise Canceling Microphone (NC)
Grey Enclosure (GR)

Accessories

• 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

Page 4

Guardian Telecom Inc.
Installation and Operation

Model WRT

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

Page 5