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Installation Manual
Ex. 32ECR6N
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/NZS3500.4, AS/NZS 5601, AS/NZS3000).
This appliance delivers water in ex cess of 50 DegreeC.Ensur that suitab li devices such as Tempering Valves are
installed in lines servicing Sanitation areas per AS3500.4.
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.
SBB80RW
Rev. 10/16
AU Service Department : 1300 365 115
NZ Service Department : 0800 729 389
Condensing Models
32ECR6N
32ECR6L
Non Condensing Models
28ENR6N
28ENR6L
*SBB80RW*
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Related Manuals for Dux 32ECR6L
Summary of Contents for Dux 32ECR6L
- Page 1 Sanitation areas per AS3500.4. 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.
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Page 2: Table Of Contents
Installation Manual Contents 1. Included Accessories ................4 2. Optional Accessories ................4 3. Dimensions ..................... 5 4. Component Details Example ..............7 5. Quick Connect Multi System Installation ..........9 6. Before Installation .................. 10 7. Specifi cations ..................11 8. - Page 3 Condensing Models Non Condensing Models 32ECR6N 28ENR6N 32ECR6L 28ENR6L Potential dangers from accidents during installation and use are divided into the following three categories. Closely observe these warnings, they are critical to your safety. DANGER indicates an imminently hazardous situation which, DANGER if not avoided, will result in death or serious injury.
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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 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 (VIEW FROM TOP) <Unit : mm> 32ECR6 series GAS INLET(R3/4) COLD WATER INLET(R3/4) HOT WATER OUTLET(R3/4) DRAIN OUTLET(R1/2) WIRING THROUGHWAYS 4-φ13 6-6×10 OBLONG HOLE FLUE COLLAR AIR INLET AIR INLET WATER DRAIN VALVE WIRING THROUGHWAYS (WATER FILTER) DRAIN OUTLET WATER DRAIN VALVE GAS INLET... - Page 6 Installation Manual 28ENR6 series (VIEW FROM TOP） <Unit : mm> HOT WATER OUTLET (R3/4) COLD WATER INLET (R3/4) GAS INLET (R3/4) WIRING THROUGHWAY 2-6.5x13 OBLONG HOLE 10.8 FLUE COLLAR 4-Φ13 AIR INLET 4-Φ13 AIR INLET WIRING THROUGHWAYS 3-6.5x16.5 OBLONG HOLE WATER DRAIN VALVE (WATER FILTER) GAS INLET...
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Page 7: Component Details Example
Installation Manual Component Details Example 32ECR6 series model shown for illustration only Ex. 32ECR6... - Page 8 Installation Manual 28ENR6 series model shown for illustration only Ex. 28ENR6...
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Page 9: Quick Connect Multi System Installation
Installation Manual Quick Connect Multi System Installation • The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord. The Quick Connect Cord is 2m long. Install the units 50 - 457mm apart from each other to ensure the cord will be able to reach between the units. -
Page 10: Before Installation
Check the Gas • Check that the data label (Side of casing). • Check that the gas supply line is sized for 32ECR6N, 32ECR6L: 217 MJ/hr, 217 MJ/hr 28ENR6N, 28ENR6L: 220 MJ/hr, 220 MJ/hr For NG Gas • DO NOT OPERATE WITH ANY OTHER GAS TYPE. -
Page 11: Specifications
Installation Manual Specifications Model Name 32ECR6N 32ECR6L Approval certification number SAI-400264 Installation Outdoor, Wall Mounted Type Air Supply/Exhaust Power Flue Operating Pressure 200 -1,000 kPa Minimum Flow Rate 2.5 L/min. Dimensions 615mm (Height) x 464mm (Width) x 240mm (Depth) Weight... -
Page 12: 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 13: 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 14 Installation Manual CLEARANCES FOR FLUE TERMINAL (front of heater) The location of the fl ue 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 Offi...
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Page 15: Installation
Installation Manual Installation Securing to the wall • Installation must conform with all local building, water and Gas Regulations and 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 16: 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 17: Water Piping
Installation Manual Water Piping Installation and service must be performed by a qualified 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 18 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.
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Page 19: Condensate Piping
Installation Manual Condensate Piping only 32ECR6 series CAUTION Due to the acidic nature of the condensate, be sure to properly drain and if necessary, treat the condensate prior to disposal. Damage caused by improperly handled condensate is not covered by the warranty. •... - Page 20 Installation Manual Condensate piping to floor drain Condensate piping with pump Condensing Condensing Tankless Gas Tankless Gas Water Heater Water Heater DO NOT ADD DO NOT ADD ANY VALVES ANY VALVES 1/2" PVC pipe 1/2" PVC pipe Slope pipe downwards 1/2"...
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Page 21: 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 22: Remote Controller
Installation Manual Remote Controller Applicable Model Remote controller RC-9018C Max temperature 85°C * * Maximum temperature is controlled by the maximum default temperature set in the water heater. * Only one the remote controller can be connected to the water heater. A malfunction may occur if two or more remote controllers are connected. - Page 23 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 •...
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Page 24: Connecting Quick Connect Cord-2
Installation Manual Connecting Quick Connect Cord-2 Applicable Model For Quick Connect Multi System Installation use part #QC-2 only. (sold separately). Caution The wire coloring on the Quick Connect Cord-2 will not be the same as the wire coloring of the connection plug inside the unit. -
Page 25: 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 26: Trial Operation
Installation Manual Trial Operation • Preparation ... (1) Open a hot water fixture to confirm that water is available, and then close the fixture. (2) Open the gas supply valve. (3) Turn on the power supply. Using the remote controller, turn on the Power ON/OFF button (the Operation lamp will turn on). -
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. - Page 29 Installation Manual Install one system controller (SC-401-6M) Multi-System for every six units. Only 32ECR6 series. A. Installation without a recirculation system (Standard System) Unit 1 Unit 2 Unit 6 System Controller Remote Controller Gas Pipe Hot Water Supply Pipe (1 1/4"-2") Cold Water Supply Pipe (1 1/4"-2") •...
- Page 30 Installation Manual B-1. Example of Recirculation with a Multi-System (Recirculation system) Only 32ECR6 series. This system will make hot water more quickly available to remote fixtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
- Page 31 Installation Manual B-2. Example of Installation with a Storage Tank and Recirculation System (Tank recirculation system) Only 32ECR6 series. The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the temperature cools down.
- Page 32 Installation Manual Multi-System Wiring (Use SC-401-6M) Only 32ECR6 series. Unit 1 System Controller No.6 * Connect these to the No.5 remote control terminal No.4 block in each unit No.3 No.2 90 90 B5 B5 Power Remote control terminal block Remote Controller Cord Remote Controller Unit 2...
- Page 33 Installation Manual A. Installation without a recirculation system (Using external system controller) (Standard System)
- Page 34 Installation Manual B-1. Example of Recirculation with a Multi-System (Using external system controller) (Recirculation system) This system will make hot water more quickly available to remote fixtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
- Page 35 Installation Manual B-2. Example of Installation with a Storage Tank and Recirculation System (Using external system controller) (Tank recirculation system) The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the temperature cools down.
- Page 36 Installation Manual CAUTION • The below diagram shows the connection of 3 units to the system controller. When connecting 4 or more units, follow the same procedure. • Connect the water heaters to the system controller follwing the detailed wiring instructions included with the system controller.
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