Dux 2F136S Istruzioni per il montaggio

Specications and materials may change without notice.

Effective for electric boosted solar water heaters manufactured and sold after 1 January 2012.

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

Carefully remove all packaging and

transit protection from the heater before

installation. Dispose of the packaging

responsibly using re-cycling facilities

where they exist.

H3163 025247 Rev. C

For advice, repairs and service, call:

1300 365 115 (Australia)

0800 729 389 (New Zealand)

Models: 2F136S

2F136SD

3F136S

3F136SD

4F136S

4F136SD

2S136ED

3S136ED

4S136ED

Installer’s Guide

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For an easier installation, please read this document before you begin.

On completion, sign and leave with owner.

Electric Boosted Solar

Water Heater

Electric Boosted Solar

H3163 025247 Rev. C

Installer’s Guide

Rough In Diagram 1

Model Numbers 2

Safety Audit 3

Removal of Existing Tank 4

Placement of New Tank 4

Water Connections 5

Pipes – Important Points 6

Collectors – Alignment

and Inclination 8

Collectors – Important Points 9

Collectors – Attaching to Roof 10

Collectors – Attaching Fittings 12

4 Way Union Assembly 15

Anti-Frost Valve 16

Flashing 17

Temperature Sensor 18

Only if installing models 20

Non Return Valve 21

PTR Valve and Drain Down Line 22

GPO 23

Tempering Valve 24

Commissioning the System 24

Commissioning Checklist 25

Installation Declaration 26

Components 27

Exploded Diagrams 28

Electric Boosted Solar

H3163 025247 Rev. C

Rough In Diagram

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.

250 L 315 L 400 L

Tank Height 1444 1754 1704

Overall diameter 617 617 705

A Hot water outlet 1211 1521 1445

B Tempered water outlet (mid-way between A and D) 624 779 742

C Flow to solar collectors 507 507 531

D Cold water inlet 195 195 219

E Drain to waste 592 592 616

F Return from solar collectors 628 838 642

100

Hot

Drain to Waste

Flow

Cold

Tempering

Valve

100

Return

Electric Boosted Solar

2H3163 025247 Rev. C

Installer’s Guide

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• Below is a list of model numbers:

Model

Number

Capacity

(L)

Panel

Management

2F136S 250 No

2F136SD 250 Yes

2S136ED 250 Yes

3F136S 315 No

3F136SD 315 Yes

3S136ED 315 Yes

4F136S 400 No

4F136SD 400 Yes

4S136ED 400 Yes





• This Installer’s Guide and the

Owner’s Manual (also included in the

product carton) contain important

information about installation and use

of this water heater.

Note: For an easier

installation, please read this

document before you begin.

Electric Boosted Solar

H3163 025247 Rev. C

Installer’s Guide





• 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.

Note: Do not commence a

job where the risks cannot be

controlled.

• Refer to local working at heights

regulations. NSW Ref: “Safe Work on

Roofs – Part 2 Residential” Code of

Practice 2004, Work Cover NSW.

Electric Boosted Solar

4H3163 025247 Rev. C

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

• The existing tank (if applicable)

should be drained and removed in a

responsible manner.

Note: Do not drain on to grass

or garden beds.





• Safely position new storage tank on

a level surface in accordance with all

plumbing and building regulations.

Note: We recommend a plinth

be installed under the water

heater where the water heater

is subjected to wet conditions.

• Refer to the section called “Rough

In Diagram” on page 1 for detailed

information on position of plumbing.

Install a plinth under the

water heater where the

water heater is subjected

to wet conditions

Installer’s Guide

Electric Boosted Solar

H3163 025247 Rev. C

Installer’s Guide

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

• Using correct plumbing methods,

connect the cold water pipe to the

storage tank.

• According to local regulations and

the plumbing code, t any and

all valves that are necessary e.g.

tempering valves, pressure limiting

valves, line strainer, duo valves, cold

water expansion valves etc.

• We recommend the use of new valves

for all Installation. Refer to plumbing

code and/or local requirements.

• The hot water line should be

connected to the hot water outlet.

Hot water outlet

Cold water inlet

Electric Boosted Solar

6H3163 025247 Rev. C

Installer’s Guide

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

Critical: Due to the high

temperature imposed by solar

heated water, all solar system

pipes and ttings must be DR

brass and copper, including

collector compression ttings

(as supplied). No plastic pipes

or ttings.

• Flow and return lines must be

installed as direct as possible

between tank and collector.

• Pipes must be fully insulated with

UV stabilized insulation suitable for

solar working temperatures. We

recommend Armaex DuoSolar /

Solar insulation, minimum 13mm

thick (refer to local regulations).

Note: Warranty will be void

if this minimum insulation

requirement is not used.

• It is critical to stop any chance of an

air lock developing, so ensure that:

– no pipework is higher than the

automatic air vent valve

Pipes must be DR

brass and copper.

Refer to AS/NZS

3500.4.

Pipes must be fully

insulated with UV

stabilized insulation

suitable for solar working

temperatures, minimum

13mm thick (refer to local

regulations)

Pipes must have no

high points that allow

air to be trapped

No pipes can be higher than

the air bleed valve

Electric Boosted Solar

H3163 025247 Rev. C

Installer’s Guide

– ow 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

the pipes are used.

• Flow and return lines should be

neatly installed and hidden inside the

roof cavity if possible.

• Take care when running ow

and return lines through the roof,

cladding and the eaves.

Note: Where roof and

the eaves are made from

asbestos, specialised handling

and advice is necessary.

Minimum 5°

continuous fall

To collectors

Use minimum

number of bends

Must fully

insulate flow

and return

pipes

Minimum 5°

continuous fall

To collectors

Non continuous

fall

To collectors

Incorrect Correct

Ensure flow and return pipes from the solar collectors to the

water storage tank have a minimum of 5° continuous fall

Electric Boosted Solar

8H3163 025247 Rev. C

Installer’s Guide

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



Solar Collector Alignment

• For the most efcient solar gain, the

collectors must be aligned ±45° from

true north (i.e. north west to north

east). See Collector Orientation

Compass below.

Solar Collector Inclination

• For the most efcient solar gain, the

collectors must be inclined within

10° to 45° from horizontal. See

Collector Inclination Guide right.

True North

NW NE

Surface Plate EastWest

45°

50° from

true north

70° from

true north 45°

Collector Orientation Compass

True North

A = 500mm, or greater if roof allows

B = Between 10° and 45°

Note: When establishing the correct Collector Orientation, please account

for the Magnetic Declination of your geographic location

Collector Inclination Guide

A. Preferred range

B. Industry accepted range

C. If orientations A or B are not practical, an additional collector can be

installed at the home owner’s discretion in range C (not required north

of Tropic of Capricorn)

True North

NW NE

Surface Plate EastWest

45°

50° from

true north

70° from

true north 45°

Collector Orientation Compass

True North

A = 500mm, or greater if roof allows

B = Between 10° and 45°

Note: When establishing the correct Collector Orientation, please account

for the Magnetic Declination of your geographic location

Collector Inclination Guide

A. Preferred range

B. Industry accepted range

C. If orientations A or B are not practical, an additional collector can be

installed at the home owner’s discretion in range C (not required north

of Tropic of Capricorn)

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