Owner’s Manual 3 and 4 Star Gas Storage Water Heaters Models: 3 Star 4 Star 135RAD3N 135RAD3L 170RAD3N 170RAD3L 135RAD4N 135RAD4L 170RAD4N 170RAD4L Installation Details Owner’s Information Warranty For advice, repairs and service, call: 1300 365 115 (Australia) 0800 729 389 (New Zealand) Carefully remove all packaging and transit protection from the heater before installation. Dispose of the packaging responsibly using re-cycling facilities where they exist.
Owner’s Manual – Gas Storage Contents Welcome 1 Installation Details 2 Gas Connections 5 Specifications 6 Commissioning Adjustments 7 Owner’s Information 10 System Maintenance 12 Troubleshooting 14 Warranty 16 Other Information 19 Notes 20 Radiant® is a registered trademark of Dux Manufacturing Limited. © Dux Manufacturing Limited 2012. All rights reserved. H3958 026271 Rev.
Owner’s Manual – Gas Storage Welcome Your decision to purchase a Radiant Hot Water system will reward you for many years to come. Since 1915, the Dux range has seen continuous research and development, resulting in many breakthroughs in the efficiency, reliability and longevity of hot water systems. Go with Radiant and you’ll have a dependable, economical, efficient hot water system designed to perform well, year after year. And that’s a promise.
Owner’s Manual – Gas Storage Installation Details Pool Heating This water heater must not be used for pool heating. Installation Requirements This water heater must be installed by a licensed tradesperson, and in accordance with: • AS/NZS3500.4 “National Plumbing and Drainage Code Hot Water Supply Systems – Acceptable Solutions”. • AS5601/AG601 “Gas Installations”. • Local authority regulations. • Outside Australia and New Zealand, please refer to local plumbing and building codes and regulations.
Owner’s Manual – Gas Storage Plumbing Connections the water heater for clearance above to replace the anode. A properly drained overflow tray must be used where property damage could occur from water spillage. (See AS/NZS3500.4.2 for further details). Warranty does not cover consequential damage due to heater leakage.
Owner’s Manual – Gas Storage Plumbing Connections Cold Water Connection It is mandatory to fit the following items between the supply main and the RP¾"/20mm socket in the water heater. • an isolating valve • a non return valve • a line strainer • a union All fittings must be approved by the relevant Authority and in accordance to the plumbing code. Note for S.A. and W.A.
Owner’s Manual – Gas Storage Gas Connections Refer to the Data Label for correct gas type. Gas piping should be connected through the side of the case (see figure below). The plastic grommet must be installed around the pipe and clipped into the case. The gas control is fitted with a RC½"/15mm socket. A union connection should be used. Gas pipe sizes should be in accordance with AS5601/AG601.
Owner’s Manual – Gas Storage Specifications 422 Access to Anode 502 Top View PTR outlet Hot Water Outlet A B Cold Water Inlet Gas Inlet C Left View Front View Right View Rear View Tank Specifications 3 Star Model Numbers 4 Star 135RAD3N 135RAD3L 170RAD3N 170RAD3L 135RAD4N 135RAD4L 170RAD4N 170RAD4L Capacity (L) 135 170 135 170 Net Weight Empty (kg) 72 86 72 86 1400 1400 1400 1400 135RAD3N: 33 135RAD3L: 29 170RAD3N: 33 170RAD3L: 29 135RAD4N: 23.5 135RAD4L: 22.
Owner’s Manual – Gas Storage Commissioning Adjustments Note: Commissioning adjustments must be done only by a licensed tradesperson. Lighting the Water Heater The water heater must be filled with water before lighting. Instructions for lighting procedure are on the inside of the access cover and shown below: 1. Turn the knob fully clockwise to the “•” (off) position. 2. Wait 5 minutes so any build-up of unburnt gas can escape. 3. Turn the knob to the position.
Owner’s Manual – Gas Storage Commissioning Adjustments may already be at the selected temperature. Warning: Do not attempt to light if the pilot is out and the knob is in the “ON” position (one of the number settings). Follow steps above. Shutting Down The Water Heater 1. Turn the knob to “•” (off) position. 2. Turn water off at water isolating valve. Turning Off Gas To The Appliance 1. Turn the knob to “•” (off) position. 2. Turn off the gas isolation valve.
Owner’s Manual – Gas Storage Commissioning Adjustments Note: Pressure adjustments at gas cylinder regulator should be conducted as required to ensure correct supply pressure to water heater as per AS5601/AG601. Ignition System (Spark Gap) If there is no spark or the spark looks weak, adjust as follows: 1. Check the gap between the spark electrode and the pilot burner is 3 – 5mm and adjust as necessary. 2. Push the igniter button to test for a spark.
Owner’s Manual – Gas Storage Owner’s Information Safety This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children and animals should be supervised to ensure that they do not interfere with the appliance.
Owner’s Manual – Gas Storage Owner’s Information How Long Will The Heater Run Each Day? The length of time that the heater will run each day will vary dependent upon the amount of hot water being used by the household. Important: there are no user serviceable components in the system. Only an authorised service representative is permitted to remove any covers or make setting adjustments. Caution: All water heaters have the ability to produce hot water in a surprisingly short time.
Owner’s Manual – Gas Storage System Maintenance How Does My System Work? The Dux water storage tank is used to store the heated water ready for household use. It has a high temperature vitreous enamel lining to provide long life, and a high density polyurethane insulation to ensure minimal heat loss. Never turn the gas supply off during normal use. This Dux water heater is designed such that there is little to do regarding system maintenance other than that detailed in this Owner’s Manual.
Owner’s Manual – Gas Storage System Maintenance v. Gently operate the Pressure & Temperature Relief Valve to let air into the heater and allow water to escape through the hose. vi. Flush the heater until clear water appears then reconnect all fittings, fill the heater and restore the gas supply. H3958 026271 Rev.
Owner’s Manual – Gas Storage Troubleshooting What Should I Check Before Making A Service Call? If there is not enough hot water, it is recommended that the following points be considered before making a service call. If after checking the following points the problem has not been identified, please contact Dux on 1300 365 115. Water Discharge From Pressure & Temperature Relief Valve (PTR) It is not unusual for a small quantity of water to discharge during the heating of water in your storage tank.
Owner’s Manual – Gas Storage Troubleshooting • Replace faulty tap washers and have your plumber rectify any leaking pipe work. H3958 026271 Rev.
Owner’s Manual – Gas Storage Warranty Radiant Hot Water Unit Manufactured by Dux Manufacturing Limited (“Dux”) Terms of Warranty and Replacement Guarantee All Radiant water heaters manufactured and sold after 1 January 2012 are backed by a comprehensive one (1) year full parts and labour warranty (conditions apply – see below). Furthermore, the Radiant tank includes a guarantee to replace your hot water unit if the inner cylinder fails within five (5) years (conditions apply – see below).
Owner’s Manual – Gas Storage Warranty which may have arisen as a result of, without limitation, the following: accidental damage, abuse, misuse, maltreatment, abnormal stress or strain, harsh or adverse water conditions including excessive water pressure or temperature, neglect of any kind or otherwise as a result of any use of the Unit contrary to the product manual or other instructions provided by Dux.
Owner’s Manual – Gas Storage Warranty • Proof of Purchase; • Date of Installation; • Contact Details; • Product Serial Number. Contact details Dux’s contact details are as follows: Business Address: Dux Manufacturing Limited Lackey Road Moss Vale, NSW, 2577 Australia Telephone: or any other consequential loss either directly or indirectly due to defects of any kind in a Unit will only be met by Dux where the damage could be considered reasonably foreseeable.
Owner’s Manual – Gas Storage Other Information Product Warranty is applicable only in Australia and New Zealand. See page 16 for terms of warranty. Privacy Act Amendment (2000): If and whenever warranty service is required, your personal details will be given to an Authorised Dux Service Agent only for the express purpose of carrying out the arranged warranty service work agreed by you the client and Dux Manufacturing Limited.
Owner’s Manual – Gas Storage Notes 20 H3958 026271 Rev.
Owner’s Manual – Gas Storage Notes H3958 026271 Rev.
Owner’s Manual – Gas Storage 3 and 4 Star Gas Storage Water Heaters For advice, repairs and service, call: 1300 365 115 (Australia) 0800 729 389 (New Zealand) Please Register Your Water Heater Please take a moment to fill out your details for warranty registration at: www.dux.com.au/warranty or use your smartphone to scan this code: Preventative Maintenance Maintaining your hot water system will help extend its lifespan and reduce running costs.
