Dux 26ECB5N Manuale utente
Installation Manual
SBB816V
Rev. 05/19
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 all Local Building,
Water and Gas fitting regulations (AS/NZS 3500.4, AS/NZS 5601, AS/NZS 3000).
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.
(e.g. 26ECB5N)
Condensing Models
26ECB5N
26ECB5L
26ECB6N
26ECB6L
21ECB5N
21ECB5L
21ECB6N
21ECB6L
Non Condensing Models
21ENB5N
21ENB5L
21ENB6N
21ENB6L
17ENB5N
17ENB5L
17ENB6N
17ENB6L
26ENA5N
26ENA5L
26ENA6N
26ENA6L
32END5N
32END5L
32END6N
32END6L
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
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2
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
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Contents
1. Before Installation 4
2. About the Water Heater 5
3. Choosing an Installation Location 16
4. Installation Clearances 17
5. Installation of the Water Heater 18
6. Connecting the Gas Supply 19
7. Connecting the Water Supply 24
8. Connecting the Condensate Drain 26
9. Connecting Electricity 27
10. Remote Controller 29
11. Trial Operation 34
12. Plumbing Applications 36
13. Installation of the Quick Connect Multi-System 37
14. Maintenance 38
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1. Before Installation
Check the Gas
• Check that the data label (left side of casing).
• Check that the gas supply pipe is sized for
32END5(6)N: 250 MJ/hr
32END5(6)L: 250MJ/hr
26ECB5(6)N: 175 MJ/hr
26ECB5(6)L: 185 MJ/hr
21ECB5(6)N: 145 MJ/hr
21ECB5(6)L: 149MJ/hr
26ENA5(6)N: 200 MJ/hr
26ENA5(6)L: 200 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!
WARNING
(For NG Gas)
xx
xxxxxxxx
xx
xx 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 39.
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
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2. About the Water Heater
Anchoring Screw (× 5)
Owner’s Guide,
Installation Manual (this document) (1 each)
Main Controller Set
[RCM1D]
Main Controller (× 1)
[ECM1D]
RC Cable (× 1)
[ECM-CABLE-10M]
RC Cable (× 1)
[ECM-CABLE-10M]
Quick Connect Cord
(2 m) (× 1)
[CF-0706377]
(For 32END series only)
Flue Diverter (× 1)
[CF-L18]
(For 26ENA series only)
The following accessories are included with the
Water Heater.
Check for any missing items before starting
installation.
2.1 Included Accessories
2.2 Optional Accessories
• The accessories listed below are not included
with the Water Heater, but may be necessary for
installation.
• Refer to page 29-33, for the selection of remote
controllers.
Bathroom Controller Set
[RCB1D]
Bathroom 2 Controller Set
[RCB2D]
Main Controller Set
[CF-KRC-9018C]
(For 32END series only)
Bathroom Controller
(× 1)
[ECB1D]
RC Cable (× 1)
[ECM-CABLE-10M]
Bathroom 2 Controller
(× 1)
[ECB2D]
RC Cable (× 1)
[ECM-CABLE-10M]
Main Controller (× 1)
[RC-9018C]
RC Cable (× 1)
[ECM-CABLE-10M]
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Pipe cover (× 1)
[CF-H33-K450]
(For other than 32END series) Pipe cover (× 1)
[CF-H32-K450]
(For 32END series only)
Item Specification
Model
Name
50°C model 26ECB5N 26ECB5L 21ECB5N 21ECB5L 21ENB5N 21ENB5L 17ENB5N 17ENB5L
55°C model 26ECB6N 26ECB6L 21ECB6N 21ECB6L 21ENB6N 21ENB6L 17ENB6N 17ENB6L
Type Installation Outdoor, Wall mounted
Air Supply / Exhaust Power Flue
Operating Pressure 200-1,000 kPa
Minimum Flow Rate 2.5 L/min
Dimensions (Height) × (Width) × (Depth) 520 mm × 350 mm × 170 mm
Weight 18 kg 17 kg 15 kg 14 kg
Water Holding Capacity 0.9 L 0.8 L 0.5 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)
Condensate Drain R1/2 (15 mm) –
Power
Supply
Supply 230- 240 VAC (50 Hz)
Consumption
NG/ULPG 49.0 W / 60.0 W 43.0 W / 52.0 W 36.0 W / 49.0 W 31.0 W / 41.0 W
Freeze
Prevention 130 W 130 W 129 W 129 W
Burner Injector Size NG 1.4 mm / 2.4 mm 1.3 mm / 2.2 mm 1.2 mm / 2.0 mm 1.2 mm / 1.8 mm
ULPG 1.1 mm / 1.4 mm 0.9 mm / 1.4 mm 0.9 mm / 1.4 mm 0.9 mm / 1.4 mm
Accessories Anchoring Screws
• Specifications may be changed without prior notice.
• The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water
temperature.
2.3 Specifications
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Item Specification
Model
Name
50°C model 26ENA5N 26ENA5L 32END5N 32END5L
55°C model 26ENA6N 26ENA6L 32END6N 32END6L
Type Installation Outdoor, Wall mounted
Air Supply / Exhaust Power Flue
Operating Pressure 200-1,000 kPa
Minimum Flow Rate 2.5 L/min 2.0 L/min
Dimensions (Height) × (Width) × (Depth) 600 mm × 350 mm × 170 mm 615 mm × 464 mm × 240 mm
Weight 19 kg 30 kg
Water Holding Capacity 0.9 L 1.2 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)
Condensate Drain –
Power
Supply
Supply 230- 240 VAC (50 Hz)
Consumption
NG/ULPG 62.0 W / 64.0 W 76.0 W / 101.0 W
Freeze
Prevention 129 W 145 W
Burner Injector Size NG 2.3 mm 2.4 mm
ULPG 1.6 mm 1.5 mm
Accessories Anchoring Screws
Item Maximum Performance
Model
Name
50°C model 26ECB5N 26ECB5L 21ECB5N 21ECB5L 21ENB5N 21ENB5L 17ENB5N 17ENB5L
55°C model 26ECB6N 26ECB6L 21ECB6N 21ECB6L 21ENB6N 21ENB6L 17ENB6N 17ENB6L
Gas Consumption NG 175 MJ/hr 145 MJ/hr 159 MJ/hr 125.5 MJ/hr
ULPG 185 MJ/hr 149 MJ/hr 159 MJ/hr 127 MJ/hr
Maximum Hot Water Capacity (25°C Rise)
26 L/min 21 L/min 21 L/min 17 L/min
Performances
Item Maximum Performance
Model
Name
50°C model 26ENA5N 26ENA5L 32END5N 32END5L
55°C model 26ENA6N 26ENA6L 32END6N 32END6L
Gas Consumption NG 200 MJ/hr 250 MJ/hr
ULPG 200 MJ/hr 250 MJ/hr
Maximum Hot Water Capacity (25°C Rise)
26 L/min 32 L/min
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2.4 Dimensions
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
DRAIN OUTLET 30
HOT WATER OUTLET 45
COLD WATER INLET58
GAS INLET 50
350
334
217 28
56
28
486
520
AIR INLET
FLUE EXHAUST
31
11
27
170
10
487
10 AIR INLET
NEUTRALIZER TANK DRAIN
AIR INLET
HOT WATER OUTLET
DRAIN OUTLET
GAS INLET
COLD WATER INLET
WIRING THROUGHWAY
S
97
40
30
102
252
296
45
87
96
21
DRAIN OUTLET(R1/2)
GAS INLET(R3/4)
WIRING THROUGHWAYS
HO
T WATER OUTLET(R3/4)
(VIEW FROM TOP)
COLD WATER INLET(R3/4)
90
120
85
50
10
60
120
54210
4-φ13
4-φ13
2-6×13 OBLONG HOLE
2-6.5×16.5 OBLONG HOLE
338
<Unit : mm>
21/26ECB series
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26ENA series
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
HOT WATER OUTLET 44
COLD WATER INLET48
GAS INLET 49
HOT WATER OUTLET
GAS INLET
COLD WATER INLET
WIRING THROUGHWAYS
AIR INLET
FLUE EXHAUS
T
GAS INLET(R3/4)
WIRING THROUGHWAYS
HOT
WATER OUTLET(R3/4)
(VIEW FROM TOP)
COLD WATER INLET(R3/4)
<Unit : mm>
566
567
600
10 133
268
40
97
40
109
178
37 338
47
10 11
170
31
350
334
253
42 25
84
120
85
50
10
60
120
62210
4-φ13
4-φ13
2-6×13 OBLONG HOLE
3-6.5×16.5 OBLONG HOLE
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17/21ENB series
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
HOT WATER OUTLET
COLD WATER INLET
GAS INLET
45
48
50
<Unit : mm>
486
520
350
334
178 73
42 57
FLUE EXHAUST
AIR INLET
COLD WATER INLET
HOT WATER OUTLET
WIRING THROUGHWAYS
GAS INLET
10
487
10
170
27
11
31
AIR INLET
AIR INLET
50
85
120
10542
60
120
10
90
3-6.5ᨴ16.5 OBLONG HOLE
2-6ᨴ13 OBLONG HOLE
4-φ13
4-φ13
40
97
40
80
37
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
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