Dux 2F136S Installer's Manual
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Dux 2F136S Installer's Manual

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See also: Owner's Manual
Installer's Guide
For an easier installation, please read this document before you begin.
Electric Boosted Solar
Water Heater
Models:
2F136S
2F136SD
3F136S
3F136SD
4F136S
4F136SD
Installation by a licensed tradesperson and in
accordance with:
• AS/NZS 3500.4 "National Plumbing &
Drainage Code Hot Water Supply Systems
– Acceptable Solutions"
• Adherence to local authority and OH&S
regulations
• Victorian PIC Requirements
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 electric boosted solar water heaters manufactured and sold after 1 January 2012.
H3163
025247
Important InFormatIon
On completion, sign and leave with owner.
2S136ED
3S136ED
4S136ED
Rev. C

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Summary of Contents for Dux 2F136S

  • Page 1 Installer’s Guide Important InFormatIon For an easier installation, please read this document before you begin. On completion, sign and leave with owner. Electric Boosted Solar Water Heater Models: 2F136S 2S136ED 2F136SD 3S136ED 3F136S 4S136ED 3F136SD 4F136S 4F136SD Installation by a licensed tradesperson and in accordance with: •...

  • Page 2: Table Of Contents

    Electric Boosted Solar Installer’s Guide Rough In Diagram Flashing Model Numbers Temperature Sensor Safety Audit Only if installing models Removal of Existing Tank Non Return Valve Placement of New Tank PTR Valve and Drain Down Line Water Connections Pipes – Important Points Tempering Valve Collectors –...

  • Page 3: Rough In Diagram

    Electric Boosted Solar Rough In Diagram Tempering Return Valve Drain to Waste Flow Cold Approximate location of pipework. A tolerance of 25mm is acceptable to dimensions shown in table below. Note: Ensure pipes protrude horizontally from wall, and leave enough length of pipe to allow easy connections.

  • Page 4: Model Numbers

    Electric Boosted Solar Installer’s Guide model numbers • Below is a list of model numbers: Model Capacity Panel Number Management 2F136S 2F136SD 2S136ED 3F136S 3F136SD 3S136ED 4F136S 4F136SD 4S136ED read this Document First Step 1 • This Installer’s Guide and the Owner’s Manual (also included in the...

  • Page 5: Safety Audit

    Electric Boosted Solar Installer’s Guide Safety audit Step 2 • Arrive at site, park vehicle as close as allowable to installation, and conduct a safety audit, also known as Work Method Statements (WMS) or Job Site Analysis (JSA). • Prior to working at heights, it is the responsibility of the installer to ensure that all practices are compliant with any relevant OH&S legislation.

  • Page 6: Removal Of Existing Tank

    Electric Boosted Solar Installer’s Guide removal of Existing tank Step 3 • The existing tank (if applicable) should be drained and removed in a responsible manner. Note: Do not drain on to grass or garden beds. placement of new tank Step 4 •...

  • Page 7: Water Connections

    Electric Boosted Solar Installer’s Guide Water Connections Step 5 • Using correct plumbing methods, connect the cold water pipe to the storage tank. • According to local regulations and the plumbing code, fit any and Hot water outlet all valves that are necessary e.g. tempering valves, pressure limiting valves, line strainer, duo valves, cold water expansion valves etc.

  • Page 8: Pipes - Important Points

    Electric Boosted Solar Installer’s Guide pipes – Important points Step 6 Critical: Due to the high Pipes must be DR temperature imposed by solar brass and copper. heated water, all solar system Refer to AS/NZS pipes and fittings must be DR 3500.4.
  • Page 9 Electric Boosted Solar Installer’s Guide – flow and return pipes from the solar collectors to the water storage tank have a minimum of 5° continuous fall – pipes have no high points that allow air to be trapped – the minimum number of bends in To collectors the pipes are used.

  • Page 10: Collectors - Alignment And Inclination

    Electric Boosted Solar Installer’s Guide Collectors – alignment and Inclination Step 7 Solar Collector Alignment • For the most efficient solar gain, the collectors must be aligned ±45° from true north (i.e. north west to north east). See Collector Orientation Compass below.

  • Page 11: Collectors - Important Points

    Electric Boosted Solar Installer’s Guide Collectors – Important points Step 8 • Inspect fittings after collectors are pressurized with water. Critical: Fittings must be as tight as possible. Warning: Only pressurize the the collectors for inspection and de-pressurize them immediately after inspection. Critical: Do not leave collectors pressurised for longer than 24 hours.

  • Page 12: Collectors - Attaching To Roof

    Electric Boosted Solar Installer’s Guide Collectors – attaching to roof Step 9 For Both Metal and Tiled Roofs • Locate the lower mounting rail a minimum of 500mm distance from the gutter, or greater if roof allows. 500mm Note: Ensure that the rail is parallel with the gutter.
  • Page 13 Electric Boosted Solar Installer’s Guide For Tiled Roofs Only • Carefully remove a roof tile and locate the nearest roof truss. • Attach the first (2 per mounting rail) Collector Strap stainless steel collector strap to the mounting rail. • Shape the collector strap over the tile and position over the roof truss.

  • Page 14: Collectors - Attaching Fittings

    Electric Boosted Solar Installer’s Guide Collectors – attaching Fittings Step 12 Hold fitting A while tightening nut B to prevent twisting the header pipe All connections must be brass and all pipe work must be copper • Ensure fitting is fully engaged on to the header pipe.
  • Page 15 Electric Boosted Solar Installer’s Guide Step 13 • Secure the collectors to the mounting rail with the Z brackets, screws, nuts and bolts provided with the water heater. Step 14 Collector 24mm self tapping clamp bracket galvanised screw • Repeat the process for the second collector.
  • Page 16 Electric Boosted Solar Installer’s Guide Step 16 ~40mm ~40mm • Connect collector flow and return pipes to the collectors. • Ensure that you connect the solar flow (cold) and solar return (hot) pipes to the correct connections: – the solar flow (cold) pipe connects to the bottom of the collectors –...

  • Page 17: Way Union Assembly

    Electric Boosted Solar Installer’s Guide 4 Way Union assembly Step 17 • Using correct plumbing methods, install the 4 Way Union assembly and air bleed valve at the highest Valve must be point in the system, at the top of vertical and at the collector diagonally opposite the highest point in...

  • Page 18: Anti-Frost Valve

    Tank Anti-Frost Valve • Consult the table right to determine Model Needed? if your system needs an anti-frost valve. 2F136S • If your model does require frost 2F136SD protection, you must install an anti- 2S136ED frost valve. 3F136S • However, TWO anti-frost valves...

  • Page 19: Flashing

    Electric Boosted Solar Installer’s Guide • Connect the anti-frost valve to the Anti-Frost Valve top collector connection, on the opposite collector to where the thermowell/air bleed valve is installed. • Ensure the valve is pointing down the collector towards the gutter, parallel to the collector.

  • Page 20: Temperature Sensor

    Electric Boosted Solar Installer’s Guide temperature Sensor Step 20 • Insert the end of the collector temperature sensor (supplied in Warning: Extreme care must collector rail kit) into the sensor dry be taken to not damage the well. sensor by pulling on collector •...
  • Page 21 Electric Boosted Solar Installer’s Guide Step 21 Warning: If the collector only if installing models temperature sensor cable is exposed to atmosphere, you 2F136SD, 2S136ED must insulate the cable from 3F136SD, 3S136ED UV radiation damage. 4F136SD, 4S136ED • Align the pin positions carefully and press home the collector temperature Warning: Sensor connector sensor into the 20 metre collector...

  • Page 22: Only If Installing Models

    Electric Boosted Solar Installer’s Guide only if installing models 2F136S 3F136S 4F136S • Connect collector sensor cable to a terminal block secured to the timber or metal truss inside the roof cavity. • If the terminal block cannot be located within the roof space, it must be enclosed within a waterproof junction box.

  • Page 23: Non Return Valve

    Electric Boosted Solar Installer’s Guide non return Valve Cold Water Flow Direction Step 22 • A non return valve is included with this water heater. Hot Water • We recommend fitting the non Flow return valve at the solar return pipe Direction connection.

  • Page 24: Ptr Valve And Drain Down Line

    Electric Boosted Solar Installer’s Guide ptr Valve and Drain Down Line Step 23 • Connect the PTR valve and plumb to waste to comply with AS/NZS 3500.4 and local plumbing codes. PTR valve • The pipe from the PTR valve must: –...

  • Page 25: Gpo

    Electric Boosted Solar Installer’s Guide Step 24 • Install a Weatherproof GPO for the system. • This water heater requires the following electrical connections: 1. Solar Pump Module – CONTINUOUS TARIFF must be used. Note: This water heater is 2. Supplementary Electrical designed to allow the tank Boost Element (3.6kW) –...

  • Page 26: Tempering Valve

    Electric Boosted Solar Installer’s Guide tempering Valve Step 25 • Fit the solar tempering valve that is included with this water heater. Tempered Note: Any adjustment to the valve should be made according to the valve manufacturer’s Cold recommendations. Commissioning the System Step 26 •...

  • Page 27: Commissioning Checklist

    Electric Boosted Solar Commissioning Checklist Tick Task See Step No.  Installer’s Guide read  Safety audit conducted  Existing tank removed  New storage tank safely positioned on a level surface  Cold and hot water pipes connected  Collectors aligned and attached to roof 6 –...

  • Page 28: Installation Declaration

    Electric Boosted Solar Installation Declaration Location of Installation: ......................................................................Tank Serial Number: ..................... Tank Model Number: ..................... Date Installed: ......Terms and conditions of warranty will apply only if the below is signed by the installer. This notifies the manufacturer that all the requirements of proper installation have been carried out by the installer in accordance with the Installer’s Guide, Owner’s Manual, and any other documentation supplied with the water heater.

  • Page 29: Components

    Electric Boosted Solar Components System Components Solar electric tank assembly Solar collector Solar collector flow connection Solar collector flow pipe Automatic air vent valve Solar collector return pipe Non return valve Solar module H3163 025247 Rev. C...

  • Page 30: Exploded Diagrams

    DETAIL C SCALE 1 : 10 DETAIL D Electric Boosted Solar Exploded Diagrams DETAIL E System Components Automatic air vent valve Bush 15mm female tee Union 15mm M × 15mm C Sensor dry well Hex nipple DETAIL B DETAIL B DETAIL A DETAIL A Union 1"...
  • Page 31 DETAIL A Electric Boosted Solar Exploded Diagrams DETAIL B DETAIL B DETAIL A DETAIL A DETAIL C SCALE 1 : 10 DETAIL C DETAIL C SCALE 1 : 10 SCALE 1 : 10 DETAIL D DETAIL D DETAIL E System Components End stop 1"...
  • Page 32 Electric Boosted Solar Installer’s Guide H3163 025247 Rev. C...

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