Installation and Owner’s Manual Important INFORMATION Read This Document First On completion, sign and leave with owner Heat Pump Water Heater Model: R2FHG4HW0C 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.
Installation and Owner’s Manual – Radiant® Heat Pump Contents Welcome To Dux Hot Water 1 Rough-In Diagram 2 Installation Instructions 3 Installation Declaration 12 Owner’s Manual 13 Troubleshooting 18 System Maintenance 20 Safety Information 21 Warranty 22 Other Information 25 Radiant® is a registered trademark of Dux Manufacturing Limited. © Dux Manufacturing Limited 2012. All rights reserved. H4121 025960 Rev.
Installation and Owner’s Manual – Radiant® Heat Pump Welcome To Dux Hot Water 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.
Installation and Owner’s Manual – Radiant® Heat Pump Rough-In Diagram 632 Hot 1711 Tempering Valve 1211 Net weight = 107kg 508 Cold 195 100 700 150 Allow 50% of the height of the water heater for clearance above to replace the anodes 150 Allow 700 mm clearance above and 150mm clearance to either side of the unit 2 H4121 025960 Rev.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Regulatory Requirements This water heater must be installed by a licensed tradesperson, and in accordance with: • AS/NZS3500.4.2 “National Plumbing and Drainage Code Hot Water Supply Systems – Acceptable Solutions”. • AS/NZS3000. • Local authority regulations. • Outside Australia and New Zealand, please refer to local plumbing and building codes and regulations.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Transport and Handling Critical: When moving the unit, it must be close to vertical at all times. Never tilt unit more than 45˚ from vertical When using a trolley to move the unit, ensure it is not tilted more than 45° from the vertical. Non-compliance will void warranty and severely affect product performance and operation. Step 1 • Arrive at site and conduct a safety audit.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Placement of New Tank Step 2 • The water heater must be installed outdoors, close to the most frequently used hot water outlet. d installation pos ition ferre Pre Heat Pump • Optimum installation location is on the warmest side of house. • The location must consider noise impact on living areas. Avoid positioning near bedrooms or neighbours’ bedrooms.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions • Allow 200m3 of free space surrounding the unit. This provides clear ambient airflow assisting the product’s performance. • The area must also be clear of debris such as leaves and tree branches. • Allow 700 mm clearance above and 150mm clearance to either side of the unit as shown in the Rough-In Diagram on page 2. • Ensure there are no obstructions placed on top of the unit.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions • This water heater is designed for direct connection to water supply pressures of no greater than 800kPa. • Where the mains pressure can exceed or fluctuate beyond 800kPa, a pressure limiting device (complying with AS1357) must be fitted. PTR Valve • Connect the supplied PTR valve into the top socket marked “RELIEF VALVE” and discharge according to plumbing regulations. • PTR Valves for the unit are rated at 1000kpa.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Cold and Hot Water Connections • Connect the cold water pipe to the storage tank, according to local regulations and the Plumbing Code. • The hot water line should be connected to the hot water outlet. Hot Tempered Tempering Valve • A tempering valve is mandatory. • Ensure it is commissioned correctly. Incorrect commissioning can lead to a lack of hot water.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Electrical Connections Step 4 • A properly authorised electrical contractor must connect the unit. • The unit is rated at 10 amps (2 core and earth) so the power mains supplying the unit must have a 10 amp minimum double pole circuit breaker fitted. • The electrical connection must comply with local supply authority regulations and AS3000. • The unit must be connected to: - CONTINUOUS TARIFF, single phase 240 volt AC supply.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Commissioning The System Step 5 • Fill and pressurise the unit with water BEFORE switching on. Critical: Switching on the unit without water will damage it. • Turn on the power supply. The Hotlogic control system will then check the unit’s operating parameters. If conditions are suitable and there is enough energy available in the surrounding air, the fan and compressor will turn on.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Instructions Conditioning Cycle Step 6 • When the unit is operated for the first time, it runs through a conditioning cycle. • Once this has occurred, it is important to conduct a draw off of hot water, and allow the unit to re-heat prior to testing water temperature. • Do the following: -- After filling the tank with water, allow time for the initial heat up cycle.
Installation and Owner’s Manual – Radiant® Heat Pump Installation Declaration Location of Installation: ........................................................................................... ............................................................................................................................... ............................................................................................................................... Tank Serial Number: ......................................
Installation and Owner’s Manual – Radiant® Heat Pump Owner’s Manual Hotlogic Operational Codes 3 2 4 Hotlogic Components 5 1 6 7 8 9 LED 1 (Power) LED 2 (Sensor) Alternating LED 3 (Output) Off To power 2 To compressor 3 Power LED 4 Sensor LED 5 Output LED 6 To ambient sensor 7 To pressure switch 8 To tank sensor 9 To fan Explanation Power on initialisation (LEDs blink Red-Green alternately) Green Green Green Flashing Red Off Sensor error (1 blink = ambient sensor, 2 blinks
Installation and Owner’s Manual – Radiant® Heat Pump Owner’s Manual Refrigeration View Cut-through View Main Component View 14 H4121 025960 Rev.
Installation and Owner’s Manual – Radiant® Heat Pump Owner’s Manual 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.
Installation and Owner’s Manual – Radiant® Heat Pump Owner’s Manual has been increased to 60°C or slightly above. To condition the unit properly allow the heat pump to go through one heat up cycle, before use, then wait 24 hours before using the hot water. Water Quality Your water heater has been manufactured to suit all water conditions in “All Water Areas” present in Australia. Please note that harsh water supplies can have a detrimental effect on a water heater and its life expectancy.
Installation and Owner’s Manual – Radiant® Heat Pump Owner’s Manual Australian Standards approved temperature control valve be fitted to the hot water supply pipe work. This valve should be checked at regular intervals to ensure its operation and settings remain correct. Why Is There Condensation Coming From The Unit? Condensation production is normal for all devices that use refrigeration principles. Air conditioners are a good example of systems that produce water condensation.
Installation and Owner’s Manual – Radiant® Heat Pump Troubleshooting What Should I Check Before Making A Service Call? If, after checking the troubleshooting points in the following section, the problem has not been identified, please contact the distributor from whom you purchased the system. faulty thermostat. Turn off the electricity supply, turn off the water, and contact your Dux agent.
Installation and Owner’s Manual – Radiant® Heat Pump Troubleshooting you have a 250 litre storage tank and you are using 390 litres of water, it is possible that there will be certain times of the day where there is insufficient hot water. It is also advisable to inspect tap washers etc. for leakage and replace if necessary. High Electricity Bills • Is the Pressure & Temperature Relief Valve discharging too much water? • Is one outlet (e.g.
Installation and Owner’s Manual – Radiant® Heat Pump System Maintenance The heat pump water heater is designed to eliminate system maintenance other than that detailed in this manual. where the potable water has a TDS greater than 600 ppm, this service is recommended every 3 years). All models are equipped with 2 sacrificial anodes, accessible through the top cover. Personally inspecting or servicing any part of the system is not recommended.
Installation and Owner’s Manual – Radiant® Heat Pump Safety Information For safe performance this water heater is fitted with: • a Hotlogic controller • a refrigerant over-pressure cut-out • a compressor thermal cut-out • a combination Pressure & Temperature Relief (PTR) Valve. Important: These devices must not be tampered with or removed. The water heater must not be operated unless these devices are fitted and in working order.
Installation and Owner’s Manual – Radiant® Heat Pump 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 2011 are backed by a comprehensive one (1) year full parts and labour warranty (conditions apply – see below).
Installation and Owner’s Manual – Radiant® Heat Pump Warranty If the Unit fails to conform to this Warranty during the applicable period, Dux will replace any failed component or where necessary, in the absolute discretion of Dux, replace the Unit free of charge including reasonable labour costs incurred in normal business working hours.
Installation and Owner’s Manual – Radiant® Heat Pump Warranty listed below) within one (1) month of the appearance of a defect.
Installation and Owner’s Manual – Radiant® Heat Pump Other Information Product Warranty is applicable only in Australia and New Zealand. See page 22 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.
Installation and Owner’s Manual – Radiant® Heat Pump Heat Pump Water Heater 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.
