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Installation   Manual

WATER QUALITY 

All Dux water heating appliances are constructed from high quality materials and 
components and all are certifi ed for compliance with relevant parts of 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. In the case of the water supplied to the heater, it is important that the water quality 
be of acceptable standard.

The water quality limits/parameters listed in water quality table are considered acceptable 
and generally, Australian and New Zealand suburban water supplies fall within these 
limits/parameters.

In areas of Australia and New Zealand where water may be supplied, either fully or partly, 
from bores, artesian wells or similar, one or more of the important limits may well be 
exceeded and the heater could, therefore, be at risk of failure.

Where uncertainty exists concerning water quality, intending appliance users should seek 
a water analysis from the water supplying authority and in cases where it is established 
that the water supply does not meet the quality requirements of the water quality table, 
the Dux warranty would not apply.

WATER QUALITY TABLE 

Maximum levels

   pH 

Saturation  

Total  

Chlorides 

Sodium 

Iron

 Index(LSI) 

Hardness 

 (langelier) 

   6.5-9 

+0.4 to 

200mg/l 

250mg/l 

180mg/l 

1mg/l

 Minus 

1.0

 @65C

SBB80RW̲P001-P036̲E.indd   28

SBB80RW̲P001-P036̲E.indd   28

2016/10/03   18:29:46

2016/10/03   18:29:46

Содержание 28ENR6L

Страница 1: ...tructions 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 continu...

Страница 2: ...System Installation 9 6 Before Installation 10 7 Specifications 11 8 Choosing Installation Site 12 9 Installation Clearances 13 10 Installation 15 11 Gas Piping 16 12 Water Piping 17 13 Condensate Piping 19 14 Electrical Wiring 21 15 Remote controller 22 16 Connecting Quick Connect Cord 2 24 17 Maintenance 25 18 Trial Operation 26 WATER QUALITY 28 ...

Страница 3: ...ation please either place this Installation Manual in a plastic pouch and attach it to the side of the water heater or hand it to the customer to retain for future reference WARNING CAUTION 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 regular maintenance CAUTION Conde...

Страница 4: ... Manual this document The accessories listed below are not included with the units but may be necessary for installation Q ty Shape Part Part Shape Q ty 1 Main Controller RC 9018C 1 Quick Connect Cord 2m System Controller SC 401 6M for 1 6 units compatible with 32ECR series 1 1 Included Accessories Optional Accessories System Controller SCU 401 12M for 1 12 units compatible with 32ECR series and 2...

Страница 5: ...8 13 10 240 153 135 214 362 99 99 10 36 70 100 140 170 36 70 100 140 170 AIR INLET FLUE COLLAR AIR INLET WATER DRAIN VALVE WATER DRAIN VALVE WATER FILTER HOT WATER OUTLET WATER DRAIN VALVE WATER DRAIN VALVE DRAIN OUTLET GAS INLET COLD WATER INLET WIRING THROUGHWAYS DRAIN OUTLET R1 2 GAS INLET R3 4 WIRING THROUGHWAYS HOT WATER OUTLET R3 4 VIEW FROM TOP COLD WATER INLET R3 4 4 φ13 4 φ13 6 6 10 OBLON...

Страница 6: ...ER OUTLET WATER DRAIN VALVE COLD WATER INLET WIRING THROUGHWAYS Unit mm 336 350 334 252 10 10 28 240 262 120 85 50 60 84 120 4 Φ13 4 Φ13 61 10 8 241 VIEW FROM TOP 36 FLUE COLLAR AIR INLET AIR INLET HOT WATER OUTLET R3 4 2 6 5x13 OBLONG HOLE 3 6 5x16 5 OBLONG HOLE WIRING THROUGHWAY GAS INLET R3 4 COLD WATER INLET R3 4 61 88 600 97 171 41 42 10 10 622 567 175 50 GAS INLET ...

Страница 7: ...7 Installation Manual Component Details Example 32ECR6 series model shown for illustration only Ex 32ECR6 ...

Страница 8: ...8 Installation Manual 28ENR6 series model shown for illustration only Ex 28ENR6 ...

Страница 9: ...ter Supply Hot Water Remote Controller Terminal Block Cord Connector Cord Connector The Quick Connect Multi System allows the installation of two units together utilizing only the Quick Connect Cord Typical Plumbing When connecting two units use only a single remote controller Note Connect the remote controller to only one of the units System Diagram The Quick Connect Cord is 2m long Install the u...

Страница 10: ...r to the unit must be kept switched on otherwise the appliance should be drained This prevents water freezing and causing damage to the water heater WARNING CAUTION For NG Gas Before Installation xx xxxxxxxx xx xx xx xx 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 DO NOT OP...

Страница 11: ...aximum Hot Water 25 C Rise 32 L min Model Name 28ENR6N 28ENR6L Approval certification number SAI 400265 Type Installation Outdoor Wall Mounted 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 240mm Depth Weight 26 kg Water Holding Capacity 1 0 L Connection Sizes Water Inlet R 3 4 20mm Hot Water Outlet R 3 4 20mm Gas ...

Страница 12: ...d places where fires are common such as those where petrol benzene and adhesives are handled or places in which corrosive gases ammonia chlorine sulfur ethylene compounds acids are present May result in fire Avoid installation in places where dust or debris will accumulate Dust may block the air supply opening causing the performance of the device fan to drop and incomplete combustion to occur as a ...

Страница 13: ...low on outer walls or material not resistant to heat Also consider the surrounding trees and animals The heat and moisture from the water heater may cause discoloration of walls and resinous materials or corrosion of aluminium materials Do not locate the vent termination directed towards a window or any other structure which has glass or wired glass facing the termination Install in a location whe...

Страница 14: ...ing a terminal 500 h From any other flue terminal cowl or combustion air intake 300 j Horizontally from an openable window door non mechanical air inlet or any other opening into a building with the exception of sub floor ventilation Appliance s over 200 MJ h input up to 250 MJ h input 500 All fan assisted flue appliance s in the direction of discharge 1 500 k From a mechanical air inlet including...

Страница 15: ...he bottom and remove the unit 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 sufficient reinforcement must be done to prevent the transfer of vibration Do not drop or apply unnecessary force to the device when installing Internal parts may be damaged and may become hig...

Страница 16: ... Max 3 50 kPa Please ensure measurement is taken when the appliance is operating at maximum load 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 spec...

Страница 17: ...re in the right Use a union coupling for connecting the pipes to reduce the force applied to the piping When feed water pressure is too high insert a depressurizing valve or take water hammer prevention measure Avoid using joints as much as possible to keep the piping simple Avoid piping in which an air lock can occur Use approved piping materials If installing the unit on a roof Above lower level...

Страница 18: ...N Use mixing valves with low water resistance Use shower heads with low pressure loss If necessary use a pump or other means to ensure that the supply water pressure to the inlet of the heater does not fall below 199kPa when the maximum amount of water is being demanded If the water pressure drops below 200 kPa local boiling can occur inside the water heater causing abnormal sounds and decreasing ...

Страница 19: ...equire the use of a condensate pump Size the pump to allow for a maximum condensate discharge of 100ml minutes from the water heater Horizontal runs must be sloped 1 50 downwards the drain or condensate pump The condensate will be discharged by gravity force only Make the drain pipe run as short as possible The end of the drain pipe must not be submerged in water or blocked in any way To ensure pr...

Страница 20: ...ARANCE 1 2 PVC pipe DO NOT ADD ANY VALVES Condensing Tankless Gas Water Heater Condensing Tankless Gas Water Heater DO NOT ADD ANY VALVES Note If the drain line becomes clogged or frozen condensate will back up into the water heater and a 29 error code will flash on the remote controller ceasing operation If this occurs clear the clog or freeze so that condensate can freely flow Be sure to slope the...

Страница 21: ...heater will not activate resulting in possible freezing damage Do not let the power cord contact the gas piping Tie the excess power cord outside the water heater Putting the redundant length of cord inside the water heater may cause electrical interference and faulty operation Electrical Shock Hazard Do not turn power on until controllers have been connected Disconnect power before servicing Fail...

Страница 22: ... of the water heater 4 screws 4 Adjust the dip switches as illustrated below 5 Replace the front cover of the water heater 4 screws 6 Reconnect electrical power to the water heater Applicable Model 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 re...

Страница 23: ...cal power to the water heater 2 Leave enough slack so that the remote controller cord will not be damaged if the unit is removed from the wall 3 Remove the front cover of the heater 4 screws 4 Pass the remote controller cord through the wiring throughway and into the unit 5 Connect the Y terminals at the end of the remote controller cord to the terminal block 6 Secure the remote controller cord wi...

Страница 24: ...lamp Ground wire Connector Use one of the vacant holes Connector Caution For Quick Connect Multi System Installation use part QC 2 only sold separately Quick Connect Cord 2 Quick Connect Cord 2 tag A B 1 Red 2 Black 3 White 4 Green 5 Blue 6 Blue 1 Red 2 Black 3 White 4 Green 5 Blue 6 Blue 1 Red 2 Black 3 White 4 Green 5 Blue 6 Blue 1 White 2 Green 3 Red 4 Black 5 Blue 6 Blue The wire coloring on t...

Страница 25: ...tion 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 Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance Do not use this appliance if any part has been under water Immediately call a qualifie...

Страница 26: ...he remote controller turn on the Power ON OFF button the Operation lamp will turn on Handling after trial operation If the unit will not be used immediately close off all gas and water shut off valves drain all of the water out of the unit and the plumbing system to prevent the unit and system from freezing and bleed the gas out of the gas line Freezing is not covered by the warranty CAUTION Trial...

Страница 27: ... of gas remains stop and follow the instructions on page 3 of Owner s Guide 6 Turn the gas control manual valve counterclockwise to the on position 7 Turn on electric power to the unit 8 The unit will now operate whenever hot water is called for If the unit will not operate follow the shut down instructions and call a service technician Shutdown Instructions 1 Stop any water demand 2 Turn off elec...

Страница 28: ...onsidered acceptable and generally Australian and New Zealand suburban water supplies fall within these limits parameters In areas of Australia and New Zealand where water may be supplied either fully or partly from bores artesian wells or similar one or more of the important limits may well be exceeded and the heater could therefore be at risk of failure Where uncertainty exists concerning water ...

Страница 29: ... Unit 1 System Controller Gas Pipe Cold Water Supply Pipe Remote Controller Hot Water Supply Pipe A Installation without a recirculation system Standard System Insulate or apply heating materials to both the cold water supply piping and the hot water supply piping to prevent freezing during cold weather and to prevent heat loss through the piping ...

Страница 30: ...6 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 Size the pump to provide at least 8 L min 3 m of head piping losses through the system Check the maintenance monitors on the unit to make sure the pump is provi...

Страница 31: ...hermostat Pump Control Wires use external relays Unit 1 Set Yes for the question Start pump rotation in system settings See SC 401 6M Installation Manual When installing 2 pumps in parallel Set Yes for the question Start pump rotation in system settings See SC 401 6M Installation Manual B 2 Example of Installation with a Storage Tank and Recirculation System Tank recirculation system Only 32ECR6 s...

Страница 32: ...erminal block No 6 90 90 90 90 89 102 PCB Power PCB B5 B5 System Controller No 5 No 4 No 3 No 2 Remote Control terminal block Remote Control terminal block Remote Controller Cord PCB Power PCB PCB Power PCB The remote controller terminal location may differ depending on the unit Connect these to the remote control terminal block in each unit Only 32ECR6 series ...

Страница 33: ...g materials to both the cold water supply piping and the hot water supply piping to prevent freezing during cold weather and to prevent heat loss through the piping Unit 1 Unit 2 Unit 3 Unit 10 Unit 11 Unit 12 System Controller Unit Remote Controller 1 1 2 5 Cold water supply pipe 1 1 2 5 Hot water supply pipe Standard System ...

Страница 34: ...controller 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 Size the pump to provide at least 8 L min 3 m of head piping losses through the system Check the maintenance monitors on the unit to make sure the pump is pro...

Страница 35: ...teel pipe Hot water storage tank copper or stainless steel pipe Return line circulation pump Size for max flow Size for max flow Storage tank supply line copper or stainless steel pipe Storage tank return line copper or stainless steel pipe B 2 Example of Installation with a Storage Tank and Recirculation System Using external system controller The pump will push water through the Multi System to ...

Страница 36: ...ontroller power supply Unit 1 Unit 2 Unit 3 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 Always connect a remote controller to the system controller Do not connect the include...

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