Dux 26ECB5N Installation Manual
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Dux 26ECB5N Installation Manual

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See also: Owner's Manual
Installation Manual
Ex. 26ECB5N
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 specifi cation 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 fi tting regulations (AS/NZS3500.4, AS/NZS 5601, AS/NZS3000).
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 specifi cations
without notice.
SBB80PT
Rev. 06/16
AU Service Department : 1300 365 115
NZ Service Department : 0800 729 389
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
*SBB80PT*

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Summary of Contents for Dux 26ECB5N

  • Page 1 Water and Gas fi tting regulations (AS/NZS3500.4, AS/NZS 5601, AS/NZS3000). 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 specifi cations without notice.

  • Page 2: Table Of Contents

    Installation Manual Contents 1. Included Accessories ................4 2. Optional Accessories ................4 3. Dimensions ..................... 5 4. Component Details Example ..............9 5. Before Installation .................. 11 6. Specifi cations ..................12 7. Choosing Installation Site ..............14 8. Installation Clearances ................15 9.
  • Page 3 Installation Manual Installation Manual Condensing Models Non Condensing Models 26ECB5N 21ECB5N 21ENB5N 17ENB5N 26ENA5N 26ECB5L 21ECB5L 21ENB5L 17ENB5L 26ENA5L 26ECB6N 21ECB6N 21ENB6N 17ENB6N 26ENA6N 26ECB6L 21ECB6L 21ENB6L 17ENB6L 26ENA6L Potential dangers from accidents during installation and use are divided into the following three categories.

  • Page 4: Included Accessories

    Installation Manual Included Accessories The following accessories are included with the unit. Check for any missing items before starting installation. Part Shape Q’ty Part Shape Q’ty Owner's Guide, Anchoring Screw Installation Manual each (this document) Optional Accessories The accessories listed below are not included with the units, but may be necessary for installation.

  • Page 5: Dimensions

    Installation Manual Dimensions 26ECB series (VIEW FROM TOP) DRAIN OUTLET(R1/2) GAS INLET(R3/4) <Unit : mm> HOT WATER OUTLET(R3/4) COLD WATER INLET(R3/4) WIRING THROUGHWAYS 4-φ13 2-6×13 OBLONG HOLE FLUE EXHAUST AIR INLET AIR INLET AIR INLET COLD WATER INLET NEUTRALIZER TANK DRAIN WIRING THROUGHWAYS 2-6.5×16.5 OBLONG HOLE HOT WATER OUTLET...
  • Page 6 Installation Manual 26ENA series (VIEW FROM TOP) <Unit : mm> GAS INLET(R3/4) HOT WATER OUTLET(R3/4) COLD WATER INLET(R3/4) WIRING THROUGHWAYS 4-φ13 2-6×13 OBLONG HOLE FLUE EXHAUST AIR INLET COLD WATER INLET 3-6.5×16.5 OBLONG HOLE 4-φ13 GAS INLET HOT WATER OUTLET HEIGHT OF EACH FITTING FROM BOTTOM OF CASE HOT WATER OUTLET...
  • Page 7 Installation Manual 17/21ENB series <Unit : mm> VIEW FROM TOP GAS INLET(R3/4) 21ENB Series WIRING HOT WATER OUTLET(R3/4) THROUGHWAYS COLD WATER INLET(R3/4) 4-φ13 2-6 13 OBLONG HOLE FLUE EXHAUST 17ENB Series FLUE EXHAUST AIR INLET AIR INLET COLD WATER INLET AIR INLET WIRING THROUGHWAYS GAS INLET...

  • Page 8: Component Details Example

    Main flow control valve Circuit board Water inlet thermistor Water flow sensor Water outlet thermistor Anti-frost heater Fan motor Neutralizer tank drain Hot water outlet Gas inlet Pressuer relief valve Power code Drain outlet Inlet water filter Cold water inlet Ex. 26ECB5N...
  • Page 9 Installation Manual 26ENA series model shown for illustration only Flue exhaust Anti-frost heater High limit switch Heat exchanger Thermal fuse Ignition plug Burner manifold Flame rod Igniter Remote Control Connections Freeze protection thermostat Gas solenoid valve set Main flow control valve Earth leakage breaker Circuit board Anti-front heater...
  • Page 10 Installation Manual 21ENB series model shown for illustration only Flue exhaust High limit switch Heat exchanger Anti-frost heater Thermal fuse Flame rod Ignition plug Igniter Burner manifold & gas valve Freeze protection thermostat Circuit board Anti-frost heater Water inlet thermistor Main flow control valve Water flow sensor Water outlet thermistor...

  • Page 11: Before Installation

    Installation Manual Before Installation WARNING Check the Gas • Check that the data label (left side of casing). • Check that the gas supply line is sized for 26ECB5(6)N, 26ECB5(6)L: 175 MJ/hr, 185 MJ/hr 21ECB5(6)N, 21ECB5(6)L: 145 MJ/hr, 149MJ/hr For NG Gas 26ENA5(6)N, 26ENA5(6)L: 199 MJ/hr, 199 MJ/hr 21ENB5(6)N, 21ENB5(6)L: 159 MJ/hr, 158 MJ/hr 17ENB5(6)N, 17ENB5(6)L: 125.5 MJ/hr, 130 MJ/hr...

  • Page 12: Specifi Cations

    Installation Manual Specifi cations Model Name 26ECB5N 26ECB5L 26ECB6N 26ECB6L 21ECB5N 21ECB5L 21ECB6N 21ECB6L Approval certification number SAI-400194 Installation Outdoor, Wall Mounted Type Air Supply/Exhaust Power Flue Operating Pressure 200 -1,000 kPa Minimum Flow Rate 2.5 L/min. Dimensions 520mm (Height) x 350mm (Width) x 170mm (Depth)
  • Page 13 Installation Manual Model Name 26ENA5N 26ENA5L 26ENA6N 26ENA6L Approval certification number SAI-400195 Installation Outdoor, Wall Mounted Type Air Supply/Exhaust Power Flue Operating Pressure 200 -1,000 kPa Minimum Flow Rate 2.5 L/min. Dimensions 600mm (Height) x 350mm (Width) x 170mm (Depth) Weight 19 kg Water Holding Capacity...

  • Page 14: Choosing Installation Site

    Installation Manual Choosing an Installation Site * Locate the appliance in an area where water leakage from the unit or connections will not result in damage to the area adjacent to the appliance or to the lower fl oors of the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance.

  • Page 15: Installation Clearances

    Installation Manual CAUTION • Install the water heater in a location where it is free from obstacles and stagnant air. • Consult with the customer concerning the location of installation. • Do not install the water heater near staircases or emergency exits. •...
  • Page 16 Installation Manual CLEARANCES FOR FLUE TERMINAL (front of heater) The location of the flue terminal must comply with the clearances shown on this page. If you are unsure about clearances not indicated here, in general refer to AS/NZS5601, or your local authority. In Western Australia refer to the WA Office of Energy rules and regulations.

  • Page 17: Installation

    Installation Manual Installation Securing to the wall • Installation must conform with all local building, water or Gas Regulations or AS/NZS5601. • The weight of the device will be applied to the wall. If the strength of the wall is not suffi cient, reinforcement must be done to prevent the transfer of vibration.

  • Page 18: Gas Piping

    Installation Manual Gas Piping Follow the instructions from the gas supplier. The appliance must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 3.5 kPa. The appliance and its gas connections must be leak tested before placing the appliance in operation. The inlet gas pressure must be within the range specifi...

  • Page 19: Water Piping

    Installation Manual Water Piping Installation and service must be performed by a qualifi ed plumber. Observe all applicable codes. This appliance is suitable for potable water applications. Do not use this appliance if any part has been underwater. Immediately call a qualifi ed service technician to inspect the appliance and replace any part of the control system and gas control which has been under water.
  • Page 20 Installation Manual Drain processing • Expansion water may drop from the pressure relief valve and wet the fl oor. Hot water piping • Do not use lead, PVC, iron or any piping which has been treated with chromates, boiler seal or other chemicals.

  • Page 21: Condensate Piping

    Installation Manual Condensate Piping ONLY APPLICABLE TO CONDENSING MODELS. PLEASE FOLLOW LOCAL CODES ABOUT PIPING. • This water heater is a high effi ciency, fully condensing appliance which produces condensate during operation. Therefore, it is necessary to install condensate piping. The water heater incorporates a collection, neutralization, and removal system which must be properly drained in order to ensure proper operation of this appliance.

  • Page 22: Electrical Wiring

    Installation Manual Electrical Wiring WARNING Electrical Shock Hazard Do not turn power on until controllers have been connected. Disconnect power before servicing. Failure to do so may result in death or serious injury from electrical shock. • The appliance is equipped with a 1.5m cable with a three pinned earthed plug to be connected to 230 - 240VAC at 50 Hz.

  • Page 23: Remote Controller

    6. Reconnect electrical power to the water heater. 21/26ENB serices and 17/21ECB series 55/60 models 42/50 models °C °C 26ECB6N, 26ECB6L 26ECB5N, 26ECB5L 21ECB6N, 21ECB6L 21ECB5N, 21ECB5L Remote controller 21ENB6N, 21ENB6L 21ENB5N, 21ENB5L 17ENB6N, 17ENB6L 17ENB5N, 17ENB5L Factory Setting Bridge in...
  • Page 24 Installation Manual 26ENA series 55/60/75 models 42/50 models °C °C 26ENA6N, 26ENA6L 26ENA5N, 26ENA5L Remote controller Factory Setting Bridge A Bridge B Factory Setting Bridge A Bridge B 37 - 55°C 37 - 75°C 37 - 60°C 37 - 50°C 37 - 50°C 37 - 42°C Main controller...
  • Page 25 Installation Manual WARNING • When changing the temperature, make sure to confi rm with the customer that the temperature of the hot water will be very high and that there is a risk of scalding. Connecting Remote Controller Cord to Unit •...

  • Page 26: Maintenance

    • Do not obstruct the fl ow of combustion and ventilation air. • See Owner's Guide for further maintenance or consult Dux Hot Water for recommended service checks. Warning: There is a scald potential if the output temperature is set too high.

  • Page 27: Lighting Instructions

    Installation Manual WARNING A fi re or explosion may result if these instructions are not followed, which may cause lose of life, personal injury or property damage. Lighting Instructions This water heater does not have a pilot. It is equipped with an ignition device that automatically lights the burner.

  • Page 28: Water Quality

    Australian and New Zealand gas, electrical and water standards. Whilst Dux water heaters are warranted against defects, the warranty is conditional upon correct installation and use, in accordance with detailed instructions provided with the heater.

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