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Installation and Owner's Manual
Failure to follow these instructions may affect the Warranty
Heat Pump Water Heater
Model: D2FHG4HW0C
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.
Specifications and materials may change without notice.
Effective for Airoheat
water heaters manufactured and sold after 1st November 2016.
®
H4120
025941
Rev. D
IMPORTANT INFORMATION
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Summary of Contents for Dux AIROHEAT D2FHG4HW0C
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Page 1: Installation Details
Installation and Owner’s Manual IMPORTANT INFORMATION Failure to follow these instructions may affect the Warranty Heat Pump Water Heater Model: D2FHG4HW0C 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. - Page 2 Installation and Owner’s Manual – Airoheat Heat Pump © Dux Manufacturing Limited 2016. All rights reserved. H4120 025941 Rev. D...
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Page 3: Table Of Contents
Installation and Owner’s Manual – Airoheat Heat Pump Contents Installation Requirements Specifications Dielectric Fittings Plumbing Connections Filling and Draining Electrical Connection Commissioning Safety Information System Maintenance Considering a Service Call? Warranty H4120 025941 Rev. D... -
Page 4: Installation Requirements
Standards. Only a licensed person will have insurance protecting their If a circulated flow and return system workmanship. is required, Dux recommends that a backup storage water heater is installed. Pool Heating: Please consult Dux After Sales and This water heater must not be used for Service for advice if required. - Page 5 Installation and Owner’s Manual – Airoheat Heat Pump Installation Requirements Clearances: Transport and Handling: Allow at least 700 mm clearance above When moving the water heater, it must and 150 mm clearance to either side be kept as close to vertical as possible of the water heater.
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Page 6: Specifications
Installation and Owner’s Manual – Airoheat Heat Pump Specifications H4120 025941 Rev. D... -
Page 7: Dielectric Fittings
Installation and Owner’s Manual – Airoheat Heat Pump Dielectric Fittings A Dielectric Fittings Kit (Part No H3189) Step 1 is included with the water heater. Brass Nipple Installed It is essential that dielectric fittings are installed in both the hot water outlet and cold water inlet sockets. -
Page 8: Plumbing Connections
The water heater is designed for use in than 0.40, an expansion control valve areas where the Total Dissolved Solids should be fitted. Please consult Dux (TDS) content of the water supply is After Sales and Service for advice if less than 2500 mg/L. - Page 9 Installation and Owner’s Manual – Airoheat Heat Pump Plumbing Connections Cold Water Connection: Water Supply Pressure: The water heater is intended to be This water heater is designed for direct permanently connected to the water connection to water supply pressures of supply main, and not connected by a up to 800 kPa .
- Page 10 We recommend using a HeatGuard Additional dielectric fittings are available Ultra Tempering Valve made by RMC. from your local Dux supplier. The unused socket marked “OUTLET” is to be plugged with one of the brass plugs supplied inside the electrical cover of the water heater.
- Page 11 Installation and Owner’s Manual – Airoheat Heat Pump Plumbing Connections Relief Valve: Relief Valve Drain Line: The Pressure & Temperature Relief (PTR) The drain line from the PTR Valve must be Valve is supplied inside the electrical made of copper and run in accordance cover of the water heater.
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Page 12: Filling And Draining
Installation and Owner’s Manual – Airoheat Heat Pump Filling and Draining Filling the Water Heater: Draining the Water Heater: The water heater must be filled with 1. Turn off the electricity supply to the water before turning on the electrical water heater. -
Page 13: Electrical Connection
(such as Replacing the Electrical Cover: Tariff 33 in Queensland). Contact Dux After 1. Check the Pressure & Temperature Sales and Service if required. Relief Valve, both of the brass plugs,... -
Page 14: Commissioning
LED 2 is flashing red before turning on the electrical or LED 3 is a steady red. Contact supply. Dux After Sales and Service if required. 2. Turn on the electrical supply. 3. The Hotlogic controller will initialise. -
Page 15: Safety Information
This may be caused settings remain correct. by excessive water supply pressure, a faulty PTR Valve or a faulty thermostat. Turn off the water heater and contact Dux After Sales and Service. H4120 025941 Rev. D... - Page 16 Installation and Owner’s Manual – Airoheat Heat Pump Safety Information Electrical Safety: Not Using Hot Water? This water heater is designed for single If the water heater is not used for two phase 240V a.c. supply only. The weeks or more, a quantity of hydrogen electrical connection must comply with (which is highly flammable) may Local Supply Authority Regulations and...
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Page 17: System Maintenance
This service should only be carried out by efficiently. a licensed tradesperson. We recommend your local Dux Service Agent. Six Month Service: In locations where the water has This service may be carried out by the Total Dissolved Solids (TDS) exceeding owner. -
Page 18: Considering A Service Call
Installation and Owner’s Manual – Airoheat Heat Pump Considering a Service Call? Please review this section. Although Depending on the humidity level, ice there are no user serviceable may begin to form at around 5°C. components in the water heater, the This has the potential to affect the information contained in this section performance of the water heater. - Page 19 Turn off the water usually cooler. It is possible that the heater and contact Dux After Sales and water heater may not fully recover Service. from a period of heavy usage the If after reviewing the information previous evening.
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Page 20: Warranty
Conditions apply (see below). Conditions apply (see below). During this period Dux will provide a During this period Dux will repair or replacement water heater free of charge. replace any failed component or where... - Page 21 If the water heater is installed in a the water heater will only be met by Dux position that does not comply with the where the damage could be considered...
- Page 22 See Commencement does not amount to a major failure. of Warranty on page 19. If Dux fails to meet a guarantee under Please note, if the defect or fault is not the ACL, your remedy for such failure covered by the warranty or guarantee,...
- Page 23 Installation and Owner’s Manual – Airoheat Heat Pump H4120 025941 Rev. D...
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Page 24: Preventative Maintenance
Please take a moment to fill out your details for warranty Heat Pump Water Heater registration at: www.dux.com.au/warranty For advice, repairs and service, call: or use your smartphone to scan this code: 1300 365 115 (Australia) 0800 729 389 (New Zealand)
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