Dux 26ENG5L Manuel utilisateur

Installation Manual

To be installed and serviced only by an authorised person.

This appliance is not suitable for use as a pool heater.

The “authorised installing person” is responsible for:

1. Correct commissioning of this appliance

2. Ensure unit performs to the specification stated on the data label

3. Demonstrate operation of unit to customer before leaving

4. Hand these instructions to customer

This appliance must be installed in accordance with the manufacturer’s installation instructions and Plumbing

Code of Australia (PCA) and all Local Building, Water and Gas fitting regulations (AS/NZS 5601, AS/NZS 3000, AS/

NZS 3500.4).

Failure to install this appliance in accordance with these installation instructions may void warranty.

In the interest of continued product improvement, Dux Manufacturing reserves the right to alter these

specifications without notice.

AU Service Department : 1300 365 115

NZ Service Department : 0800 729 389

FOR CONTINUED SAFETY OF THIS APPLIANCE IT

MUST BE INSTALLED, OPERATED AND MAINTAINED

IN ACCORDANCE WITH THE MANUFACTURER’S

INSTRUCTIONS.

WARNING

(e.g. 26ENG5N)

Non Condensing Models

26ENG5N

26ENG5L

26ENG6N

26ENG6L

21ENB5N

21ENB5L

21ENB6N

21ENB6L

17ENB5N

17ENB5L

17ENB6N

17ENB6L

FH9M002

Rev. 09/21 GISI094

Installation Manual

Potential dangers from accidents during installation and use are divided into the following four categories.

Closely observe these warnings, they are critical to your safety.

Indicates an imminently hazardous situation which, if not avoided, will result in

death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, could result in

death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, may result in

minor or moderate injury.

Indicates a potentially hazardous situation which, if not avoided, may result in

property damage.

DANGER

WARNING

CAUTION

NOTICE

Requests to Installers

• In order to use the Water Heater safely, read this installation manual carefully, and follow the installation

instructions.

• Failures and damage caused by erroneous work or work not as instructed in this manual are not covered by

the warranty.

• Check that the installation was done properly in accordance with this Installation Manual upon completion.

• After completing installation, either place this Installation Manual in a plastic pouch and attach it to the

side of the Water Heater (or the inside of the pipe cover or recess box if applicable), or hand it to the

customer to retain for future reference. Also, be sure to fill in all of the required items on the warranty and

to hand the warranty to the customer along with the Owner’s Guide.

• The Water Heater must be commissioned including checking gas supply pressures at maximum demand.

• The operation of the Water Heater should be explained including normal operation and regular

maintenance.

CAUTION

If the information in this manual is not followed exactly, a fire or explosion may result causing property

damage, personal injury or death.

WARNING

Installation Manual

Contents

1. Before Installation 4

2. About the Water Heater 5

3. Choosing an Installation Location 11

4. Installation Clearances 12

5. Installation of the Water Heater 13

6. Connecting the Gas Supply 14

7. Connecting the Water Supply 19

8. Connecting Electricity 21

9. Remote Controller 22

10. Trial Operation 25

11. Maintenance 27

Installation Manual

1. Before Installation

Check the Gas

• Check that the data label (left side of casing).

• Check that the gas supply pipe is sized for

26ENG5(6)N: 195 MJ/hr

26ENG5(6)L: 195 MJ/hr

21ENB5(6)N: 159 MJ/hr

21ENB5(6)L: 159 MJ/hr

17ENB5(6)N: 125.5 MJ/hr

17ENB5(6)L: 127 MJ/hr

• DO NOT OPERATE WITH ANY OTHER GAS

TYPE.

Check the Power

The power supply required is 230- 240 VAC, at

50 Hz.

Using the incorrect voltage may result in fire or

electric shock.

Warning labels

Located on the front and left hand side of the

casing-PLEASE READ THESE LABELS CAREFULLY!

If the appliance delivers water in excess of

50 Degrees, the following warning must be

adhered to:

THIS APPLIANCE MAY DELIVER WATER

AT HIGH TEMPERATURE. REFER TO THE

PLUMBING CODE OF AUSTRALIA (PCA),

LOCAL REQUIREMENTS AND INSTALLATION

INSTRUCTIONS TO DETERMINE IF ADDITIONAL

DELIVERY TEMPERATURE CONTROL IS

REQUIRED.

If the appliance is 50 degree locked model, the

following statement & warning must be adhered

to:

WARNING

(For NG Gas)

xxxxxxxx

xx xx

Do Not Use Appliance for Purposes Other Than

Those Specified

Do not use for other than increasing the

temperature of the water supply, as unexpected

accidents may occur as a result.

Check Water Supply Quality

If the water supply is hard, acidic or otherwise

impure, treat the water with approved methods

in order to ensure full warranty coverage.

See water quality statement on page 27.

Frost Protection

When installed, power to the appliance must

be kept switched on, otherwise the appliance

should be drained.

This prevents water freezing, and causing

damage to the Water Heater.

CAUTION

• This appliance is suitable for potable water

applications.

• Do not use this appliance if any part has been

underwater. Immediately call a qualified

service technician to inspect the appliance

and replace any part of the control system

and gas control which has been under water.

NOTICE

THIS APPLIANCE DELIVERS WATER NOT

EXCEEDING 50 C IN ACCODRANCE WITH AS

3498.

WARNING — THIS APPLIANCE MUST ONLY

BE INSTALLED IN ACCORDANCE WITH THE

ACCEPTABLE PLUMBING CONFIGURATIONS

SPECIFIED IN THESE INSTRUCTIONS. FAILURE

TO DO SO MAY RESULT IN CONDITIONS

WHERE DELIVERY TEMPERATURE CONTROL IS

INADEQUATE.

Installation Manual

2. About the Water Heater

Anchoring Screw (× 5)

Owner’s Guide,

Installation Manual (this document) (1 each)

The following accessories are included with the

Water Heater.

Check for any missing items before starting

installation.

2.1 Included Accessories

Installation Manual

• Specifications may be changed without prior notice.

• The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water

temperature.

2.2 Specifications

Item Specification

Model

Name

50°C model 26ENG5N 26ENG5L 21ENB5N 21ENB5L 17ENB5N 17ENB5L

55°C model 26ENG6N 26ENG6L 21ENB6N 21ENB6L 17ENB6N 17ENB6L

Type Installation Outdoor, Wall mounted

Air Supply / Exhaust Power Flue

Operating Pressure 200-1,000 kPa

Minimum Flow Rate 1.5 L/min 2.5 L/min

Dimensions (Height) × (Width) × (Depth) 520 mm × 350 mm × 170 mm

Weight 16 kg 15 kg 14 kg

Water Holding Capacity 0.7 L 0.5 L

Connection

Sizes

Water Inlet R 3/4 (20 mm)

Hot Water Outlet R 3/4 (20 mm)

Gas Inlet R 3/4 (20 mm)

Power

Supply

Supply 230- 240 VAC (50 Hz)

Consumption

NG/ULPG 55.0 W / 60.0 W 36.0 W / 49.0 W 31.0 W / 41.0 W

Freeze

Prevention 106 W 129 W

Burner Injector Size NG 1.45 mm / 2.1 mm 1.2 mm / 2.0 mm 1.2 mm / 1.8 mm

ULPG 1.0 mm / 1.4 mm 0.9 mm / 1.4 mm

Accessories Anchoring Screws

Item Maximum Performance

Model

Name

50°C model 26ENG5N 26ENG5L 21ENB5N 21ENB5L 17ENB5N 17ENB5L

55°C model 26ENG6N 26ENG6L 21ENB6N 21ENB6L 17ENB6N 17ENB6L

Gas Consumption NG 195 MJ/hr 159 MJ/hr 125.5 MJ/hr

ULPG 195 MJ/hr 159 MJ/hr 127 MJ/hr

Maximum Hot Water Capacity (25°C Rise)

26 L/min 21 L/min 17 L/min

Performances

Installation Manual

2.3 Dimensions

120

FLUE COLLAR

AIR INLET

STATUS DISPLAY

350

519

264

486

334

GAS INLET

WIRING THROUGHWAYS

AIR INLET

COLD WATER INLET

(WATER FILTER)

WATER DRAIN VALVE

HOT WATER OUTLET

PRESSURE RELIEF VALVE

(WATER DRAIN VALVE)

2×6×24 OBLONG HOLE

6541

2×6×24 OBLONG HOLE

2×

2× 13

AIR INLET

16 170

20.5

487

179

252

129

HOT WATER OUTLET(R3/4

)

WIRING THROUGHWAYS

COLD WATER INLET(R3/4)

(VIEW FROM TOP)

GAS INLET(R3/4)

338

HEIGHT OF EACH FITTINGS

FROM BOTTOM OF CASE

HOT WATER OUTLET

COLD WATER INLET

GAS INLET

< Unit: mm >

26ENG series

Installation Manual

17/21ENB series

HEIGHT OF EACH FITTING

FROM BOTTOM OF CASE

HOT WATER OUTLET

COLD WATER INLET

GAS INLET

486

520

350

334

178 73

42 57

FLUE EXHAUST

AIR INLET

COLD WATER INLET

HOT WATER OUTLET

WIRING THROUGHWAYS

GAS INLET

487

170

AIR INLET

120

10542

120

3-6.5ᨴ16.5 OBLONG HOLE

2-6ᨴ13 OBLONG HOLE

4-φ13

296

139

252 GAS INLET(R3/4)

᧤VIEW FROM TOP᧥

HOT WATER

OUTLET(R3/4)

COLD WATER

INLET(R3/4)

WIRING

THROUGHWAYS

21ENB Series

17ENB Series

338

334

350

42 57

214 37

FLUE EXHAUST

Installation Manual

2.4 Component Details Example

(e.g. 26ENG5N)

Freeze Prevenon Heater

High Limit Switch

Heat Exchanger

Thermal Fuse

Ignion Plug

Flame Rod

Burner manifold & gas valve

Igniter

Thermistor-Cold Water

Thermistor-Hot Water

Water Flow Sensor

Fan Motor

Gas Inlet

Cold Water inlet

Hot Water outlet

Circuit board

Water Servo

Flue collar

Freeze Prevenon Heater

Water Drain Valve

Power code

Thermistor

-Low temperature detect

Status Display

26ENG series

Installation Manual

17/21ENB series

(e.g. 21ENB5N)

Heat exchanger

Flame rod

Burner manifold & gas valve

Circuit board

Fan motor

Gas inlet

Igniter

Main flow control valve

Hot water outlet

Cold water inlet

Flue exhaust

Anti-frost heater

Thermal fuse

Power code

Pressure relief valve

Water flow sensor

Water inlet thermistor

Anti-frost heater

Water outlet thermistor

Anti-frost heater

High limit switch

Ignition plug

Freeze protection thermostat

Inlet water filter

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