SUNPRO D2FN26 Instructions de montage

H4110 4110 Rev. F

Specications and materials may change without notice

Effective for Sunpro gas post-boosted solar water heaters manufactured and sold after 1st Sept 2006.

Installation by a licensed tradesperson and in

accordance with:

• AS/NZS 3500.4 “National Plumbing &

Drainage Code Hot Water Supply Systems

– Acceptable Solutions”

• AS5601/AG601 Gas Installation

• Adherence to local authority and OH&S

regulations

• Victorian PIC Requirements

Installer’s Guide

For advice, repairs and service, call:

1300 365 115 (Australia)

0800 729 389 (New Zealand)

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Read This Document First

On completion, sign and leave with owner

(Gas Post-Boost) Solar Water Heater

Models: D2FN26, D2FL26,

D3FN26, D3FL26,

D4FN26, D4FL26

D2FN20, D2FL20

Carefully remove all packaging and

transit protection from the heater before

installation. Dispose of the packaging

responsibly using re-cycling facilities

where they exist.

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

H4110 4110 Rev. F

Installer’s Guide

Rough In Diagram 1

Read This Document First 2

Safety Audit 2

Removal of Existing Tank 3

Placement of New Tank 3

Water Connections 4

Pipes – Important Points 5

Collectors – Alignment

and Inclination 7

Collectors – Important Points 8

Collectors – Attaching to Roof 9

Collectors – Attaching Fittings 11

4 Way Union Assembly 14

Anti-Frost Valve 15

Flashing 16

Temperature Sensor 17

Heat Trap/Non Return Valve 19

PTR Valve 20

Gas Connection 20

GPO 21

Tempering Valve 22

Testing the Gas 22

Burner Test Point Pressure 23

Setting the Low Burner Rate 23

Setting the High Burner Rate 24

Commissioning Checklist 25

Installation Declaration 26

Components 27

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

H4110 4110 Rev. F

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 1703

Overall diameter 617 617 705

A Hot water outlet 1230 1300 1450

B Tempered water outlet (mid-way between A and C) 505 540 615

C Cold water inlet 220 220 220

D Return from solar collectors 1231 1541 1466

E Gas entry 770 820 820

F Flow to solar collectors 600 600 600

House rebate level

100

Hot Return

Gas

Flow

Cold

Tempering

Valve

100

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

2H4110 4110 Rev. F

Installer’s Guide

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• 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.

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• 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.

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

H4110 4110 Rev. F

Installer’s Guide

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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.

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• 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 – (Gas Post-Boost) Solar Water Heater

4H4110 4110 Rev. F

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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.

• Connect the supplied hose from

the top left tank outlet to the heat

exchanger water inlet.

Cold

water

inlet

Outlet to the heat

exchanger water inlet

Installer’s Guide

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

H4110 4110 Rev. F

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.

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)

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

6H4110 4110 Rev. F

Installer’s Guide

• 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

– 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.

Pipes must have no

high points that allow

air to be trapped

No pipes can be higher than

the air bleed valve

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

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

H4110 4110 Rev. F

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. Dux 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)

Installer’s Guide – (Gas Post-Boost) Solar Water Heater

8H4110 4110 Rev. F

Installer’s Guide

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• Inspect ttings 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.

• To prevent damage, collectors

should be left pressurised only when

connected to the storage tank with

appropriate pressure relief valves.

• Collectors can be located a maximum

of 20 metres (with minimal bends)

from the storage tank if pipe layout is

simple.

Note: For more energy

efciency, locate the

collectors as close as

possible to the tank

• This system is suitable for 2 storey

homes.

Ce manuel convient aux modèles suivants

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