Specifications and materials may change without notice. Effective for radiant ® heat pump water heaters manufactured and sold after 1st january 2012. Installation and owner’s manual model: r2fhg4hw0c h4121 025960 rev. B for advice, repairs and service, call: 1300 365 115 (australia) 0800 729 389 (ne...
Installation and owner’s manual – radiant ® heat pump h4121 025960 rev. B 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 contents r...
Installation and owner’s manual – radiant ® heat pump 1 h4121 025960 rev. B 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, reliabil...
Installation and owner’s manual – radiant ® heat pump 2 h4121 025960 rev. B rough-in diagram 100 632 1711 1211 508 195 hot cold tempering valve 700 150 150 allow 700 mm clearance above and 150mm clearance to either side of the unit allow 50% of the height of the water heater for clearance above to r...
Installation and owner’s manual – radiant ® heat pump 3 h4121 025960 rev. B 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/nzs...
Installation and owner’s manual – radiant ® heat pump 4 h4121 025960 rev. B transport and handling critical: when moving the unit, it must be close to vertical at all times. When using a trolley to move the unit, ensure it is not tilted more than 45° from the vertical. Non-compliance will void warra...
Installation and owner’s manual – radiant ® heat pump 5 h4121 025960 rev. B placement of new tank step 2 • the water heater must be installed outdoors, close to the most frequently used hot water outlet. • optimum installation location is on the warmest side of house. • the location must consider no...
Installation and owner’s manual – radiant ® heat pump 6 h4121 025960 rev. B • allow 200m 3 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 a...
Installation and owner’s manual – radiant ® heat pump 7 h4121 025960 rev. B • 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) ...
Installation and owner’s manual – radiant ® heat pump 8 h4121 025960 rev. B 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. Tempering valve • a te...
Installation and owner’s manual – radiant ® heat pump 9 h4121 025960 rev. B 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 pol...
Installation and owner’s manual – radiant ® heat pump 10 h4121 025960 rev. B 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 ...
Installation and owner’s manual – radiant ® heat pump 11 h4121 025960 rev. B 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 pri...
Installation and owner’s manual – radiant ® heat pump 12 h4121 025960 rev. B location of installation: .......................................................................................... .............................................................................................................
Installation and owner’s manual – radiant ® heat pump 13 h4121 025960 rev. B hotlogic operational codes hotlogic components 1 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 5 8 9 7 6 4 3 2 1 led 1 (power) led 2 (senso...
Installation and owner’s manual – radiant ® heat pump 14 h4121 025960 rev. B refrigeration view cut-through view main component view owner’s manual.
Installation and owner’s manual – radiant ® heat pump 15 h4121 025960 rev. B 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 instructio...
Installation and owner’s manual – radiant ® heat pump 16 h4121 025960 rev. B 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 ha...
Installation and owner’s manual – radiant ® heat pump 17 h4121 025960 rev. B 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 conden...
Installation and owner’s manual – radiant ® heat pump 18 h4121 025960 rev. B what should i check before mak- ing 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 sys...
Installation and owner’s manual – radiant ® heat pump 19 h4121 025960 rev. B 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...
Installation and owner’s manual – radiant ® heat pump 20 h4121 025960 rev. B the heat pump water heater is designed to eliminate system maintenance other than that detailed in this manual. Personally inspecting or servicing any part of the system is not recommended. Should you decide to personally i...
Installation and owner’s manual – radiant ® heat pump 21 h4121 025960 rev. B 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...
Installation and owner’s manual – radiant ® heat pump 22 h4121 025960 rev. B 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)...
Installation and owner’s manual – radiant ® heat pump 23 h4121 025960 rev. B 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 l...
Installation and owner’s manual – radiant ® heat pump 24 h4121 025960 rev. B listed below) within one (1) month of the appearance of a defect. Warranty claims under this extended warranty must include the following details: • date of purchase; • location of purchase; • proof of purchase; • date of i...
Installation and owner’s manual – radiant ® heat pump 25 h4121 025960 rev. B 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 auth...
Installation and owner’s manual – radiant ® heat pump h4121 025960 rev. B heat pump water heater serial number www.Dux.Com.Au/maintenance preventative maintenance maintaining your hot water system will help extend its lifespan and reduce running costs. Please register for preventative maintenance at...
