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Thank you for your purchase of the Duoetto MK2 Dual Voltage Water Heater! This device is 
approved to European Quality Standards, CE, AS/NZS 60335.2.21 : 2002 A1-3 and has obtained 
WaterMark certification. This unit is a simple system with high quality parts designed to meet your 
needs. Please read the instruction manual for maintenance and correct installation and operation of 
your heater. 

Should any fittings be required for your installation, we have a range which can be viewed on our 
website. 

1.

 

Product Features 

Intelligent

 

The Duoetto MK2 and Aqueous MK2 units have an advanced thermostat. This thermostat allows the 
water temperature to be set between 30

°

C and 75

°

C on 240V and 30

°

C to 75

°

C on 12V (Duoetto 

only). It will sustain the set temperature when in operation. 

Durable and Elegant 

The exterior shell is made of high quality plastics and is both elegant and durable. The tank inside is 
made of SPCC steel & enamel. 

Environment Friendly and Efficient 

The polyurethane insulation provides excellent heat preservation, saving electricity by maintaining 
the temperature. 

Multi-Functional Protection 

Over-temperature, run dry and over pressure protections all work in sync to make this a reliable and 
safe water heating option. 

MODEL: DUO-10, AQU-10 

Electric Storage Water Heater 

2.

 

Accessories and Data 

The following accessories are included with your unit. 

No.  Item 

Quantity 

Duoetto/Aqueous MK2 water heater 

Mounting brackets 

Bracket bolts and washers 

Self-tapping screws 

Combined pressure relief valve 

Owner’s 

manual 

 

Summary of Contents for AQU-1

Page 1: ...Water Heaters Duoetto MK2 Aqueous MK2 DUO 10 AQU 10 www ausj com au sales ausj com au P O Box 777 Leichhardt NSW 2040 Last updated 20 11 17 The most up to date version of the manual is available at www ausj com au ...

Page 2: ...C on 240V and 30 C to 75 C on 12V Duoetto only It will sustain the set temperature when in operation Durable and Elegant The exterior shell is made of high quality plastics and is both elegant and durable The tank inside is made of SPCC steel enamel Environment Friendly and Efficient The polyurethane insulation provides excellent heat preservation saving electricity by maintaining the temperature ...

Page 3: ...262x267mm Mounting Mode Wall or Floor Wall or Floor 4 Safety Cautions Electrical safety requires that this unit be earthed according to the working rules of installations of electrical goods The location this water heater is installed in should be able to support four times the weight of the water system when it is full of water Approx 40kg The water heater must be filled with water before being g...

Page 4: ...ressure relief safety valve onto the cold water inlet It is recommended that you use a liquid thread sealer to ensure a non leaking fitting We recommend adding a one way valve to the cold water in to avoid water feeding back to the main water supply pipeline Notices No responsibility is taken by the manufacturer for damage caused to the unit when not using the supplied pressure relief valve If the...

Page 5: ... source this is crucial for 12V operation of the heater Important To avoid draining the engine crank battery the red small positive wire must be connected to a switch or an ignition source Applicable for the DUO 10 12V type only 6 Methods of Usage Plug in the water heater after making sure it is filled with water Turn the thermostat to the desired temperature and switch the heater on Indicator lig...

Page 6: ...al pressure is higher than the rated tank pressure the safety valve will automatically release pressure It is normal that water is blown down from the pressure relief outlet 7 Guarantee Certificates The guarantee on this water heater is 12 months within Australia from the date of sale Supply of spare parts is carried out free of charge within the warranty period Note Infringement of the instructio...

Page 7: ...9 12V Cable Length and Current Capacity Guide Current Length Twin to area sq mm 12 6VDC current carrying capacity CCC top then follows 5 volt drop to 70 sq mm ...

Page 8: ...failed and the temperature reaches 99 C the T P valve will drain away the water For inhibition of legionella every 7 days the following water temperature and times must be held in the tank Remark The red light will turn on when the supply voltage is 240V AC 1000W In these conditions the water heater will take 45 minutes to heat the water from 15 C to 75 C and the light will turn off once the tempe...

Page 9: ...e note in the event of this document and the original purchase invoice not being provided warranty will commence from the date of manufacture Owner s Details Surname Initial Address Date of Purchase Purchased from Model Serial Number Installer s Details Date of Installation Installer s Name Address Installer s Signature ...

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