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Takagi GS-2000W-AU, Installation Manual

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Takagi GS-2000W-AU Installation Manual Download Page 28

28

WATER FLOW AND WATER TEMPERATURE

The chart is based on properly sized gas line.

•  The flow rate through the water heater is limited to a maximum of 26.0 (or 20.0) l/min.

•  The temperature setting, along with the supply temperature of the water will determine the flow 

rate output of the unit.

•  Please refer to the temperature vs. litre per minute chart to determine the likely flow rates based 

on your local ground water temperature and your desired outlet water temperature combination.

WARRANTY CONDITIONS

Please contact 1800-697-652 for full warranty conditions and Service information.

Set Temp.(

℃

)

Inc

oming T

emp.

GS-2600W-AU

Set Temp.(

℃

)

Inc

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GS-2000W-AU

4B0012-1

Summary of Contents for GS-2000W-AU

Page 1: ...Installation Guide GAS WATER HEATERS GS 2000W AU GS 2600W AU FOR EXTERNAL INSTALLATION ONLY ...

Page 2: ...BLESHOOTING 22 PCB ERROR CODES 24 WIRING DIAGRAM 25 OPERATING SAFETY 26 WATER FLOW AND WATER TEMPERATURE 28 WARRANTY CONDITIONS 28 IMPORTANT This User Guide has been prepared for Installers and Servicers of the equipment Please keep it in a safe place for future reference FOR THE INSTALLER The installation must be done in accordance with the information supplied in this User Guide All other releva...

Page 3: ...or outlet is required to be a minimum of 1 4 metres from the outlet connection of the water heater Pipe size is nominal 18 mm from hot water outlet to the first tap or outlet First tap or outlet SPECIFICATIONS MODELS GS 2000W AU GS 2600W AU Gas Input MJ h 160 195 Inlet Pressure kPa Nat Gas 1 13 min 2 75 max 1 13 min 2 75 max Inlet Pressure kPa LPG 2 75 min max 2 75 min max Water Supply Pressure kP...

Page 4: ...er for your needs The principle behind the water heater is simple Burner Heat exchanger Exhaust Flow sensor Thermistor Computer board AC240V Gas valve Fan Cold water inlet Gas Hot water outlet This diagram shows the main components only and it is not to scale 1 A hot water tap is turned on 2 Water enters the heater 3 The water flow sensor detects the water flow 4 The computer automatically ignites...

Page 5: ...GAS HOT COLD 1 9 3 7 330 350 4 9 0 124 133 335 4 4 5 G A S 5 2 0 4 1 H O T 4 9 C O L D 198 60 94 215 182 5 4 2 15 7 84 34 POWER 2 5 P O W E R GS 2600W AU GAS COLD HOT GAS HOT COLD 133 124 4 7 G A S 330 350 5 2 0 4 9 0 3 7 198 60 94 335 79 1 9 4 1 H O T 4 9 C O L D 170 15 7 5 4 2 137 3 1 P O W E R POWER 46 COLD 86 GAS 114 HOT 124 POWER 34 GS 2000W AU ...

Page 6: ... 50 C can cause severe burns or death from scalding Children the disabled and the elderly are at a high risk of being injured Feel the water temperature before bathing or showering Do not leave children disabled persons or the elderly unsupervised The Australian Standards AS 3498 gives full details of the requirements for supply of controlled temperature to ablution outlets bathrooms and is requir...

Page 7: ... that are suitable for its efficient long use This is a water heating apparatus only and the final quality of water delivered is dependent upon the quality of water supplied to this system The connection attachment integration or general association of other equipment or parts not specified by the water heater which either directly or indirectly affect the operation or performance of this equipmen...

Page 8: ...clean Particles may clog the air vent reduce fan function or cause improper combustion Locate unit for easy access and maintain proper space for service and maintenance Install the unit so that it can be connected or removed easily The water heater must be installed outdoors only Do not install the water heater indoors Do not locate your water heater in a pit or any location where gas and water ca...

Page 9: ... 50 MJ h input Other appliances up to 50 MJ h input Appliances over 50 MJ h input up to 150 MJ h input Appliances over 150 MJ h input Ref Item Minimum clearances mm Natural draft Fan assisted 300 500 300 500 1000 500 150 500 500 200 300 300 300 1000 500 75 500 300 500 1500 1500 300 500 1500 1500 1000 1500 150 500 1000 1500 150 500 1000 1500 f c n j j j k k h h h e e d d b c a g See note 3 T T T g ...

Page 10: ... testing of the main gas line supply pressure is completed ensure the gas line to the water heater is disconnected to avoid any damage to the water heater Size the gas piping for the water heater according to AS5601 installation code Always use approved connectors to connect the unit to the gas line Always purge the gas line of any debris before connecting to the water heater Install a manual gas ...

Page 11: ...e gas inlet of the water heater shown in the diagram to the right 4 Connect the manometer to the pressure port 5 Re open the manual gas valve Check to see that there are no gas leaks 6 Open some of the fixtures that use the highest flow rate to turn on the water heater 7 Check the inlet gas pressure When the water heater is on a maximum burn the inlet gas pressure within must be within the appropr...

Page 12: ...o stop taps or check valves are to be used as this will void the warranty and damage the water heater Check the cold water pressure and if above 1000 kPa an approved pressure limiting valve must be fitted Before installing the water heater flush the water line to remove all debris and after installation is complete purge the air from the line Failure to do so may cause damage to the heater There i...

Page 13: ... water heater for easy access 4 Install so that the electrical power can be switched off if necessary 5 If the cord supplied with this appliance must be replaced it must be replaced with appliance wiring material supplied by the Manufacturer Weather proof Power Point WARNING When servicing or replacing parts within the water heater label all wires prior to disconnection to facilitate an easy and e...

Page 14: ...clean locations such as kitchen due to NO water resistant Be careful of installation location The controller can adjust the output water temperature within the range of 37 C to 55 C The temperature options are 37 C 38 C 39 C 40 C 41 C 42 C 43 C 44 C 45 C 46 C 47 C 50 C 55 C When BURNER ON lamp is lit the set temperature can not be adjusted to 55 C If you desire to set it to 55 C you should close t...

Page 15: ...D BE PROVIDED BEHIND THE MOUNTING POSITION REMOTE CONTROLLER INSTALLATION 1 Crimp the fork terminals to the wires Minimum 18AWG wire No polarity Maximum 100m long 2 ATTACH THE FORK TERMINAL TO THE CONNECTOR BASE AT THE BACK OF THE UNIT BY TIGHTENING THE 2 SCREWS 3 Draw the cable through the groove in the base plate 4 Fix the remote controller to the wall using suitable screws and wall anchors 5 Co...

Page 16: ...emote terminals directly There is no polarity in the terminations DO NOT jump or short circuit wires as it will damage the computer 5 Replace the plastic cover and the front cover Then connect the power plug 1 2 3 4 5 6 7 8 PLASTIC COVER REMOTE CONTROL CABLE REMOTE CONTROL TERMINAL REMOVE THE PLASTIC COVER AND CONNECT TO TERMINALS DIRECTLY BEHIND THE COVER REMOTE CONTROLLER CABLE CONNECTIONS Put t...

Page 17: ...emove any air pocket Do not use this water heater if any part has been submersed under water Immediately call a qualified service technician to inspect the water heater and to replace any damaged parts CAUTION IF YOU SMELL GAS Do not try to start the water heater Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow...

Page 18: ...F TMP1 TMP2 TMP3 8 7 6 5 ON OFF TMP1 TMP2 TMP3 8 7 6 5 ON OFF TMP1 TMP2 TMP3 8 7 6 5 ON OFF TMP1 TMP2 TMP3 Only change the switches with dark squares DO NOT adjust other switches WITH ONLY MAIN REMOTE CONTROLLER INSTALLED 1 Press the ON OFF button And then ensure the priority lamp is lit and displays the set temperature on the remote controller 2 SET PREFERRED TEMPERATURE WHEN ADJUSTING THE SET TE...

Page 19: ...ter to be adjusted within the range of 37 C to 50 C NOTE Each remote controller can individually store the tem perature setting However MC100 AU3 TP WHEN THE PRIORITY SETTING IS TRANSFERRED TO MC100 AU3 TP WHICH HAS A PREVIOUS TEMPERATURE SET TING OF 55 C STORED THE SETTING WILL BECOME 50 C FC100 AU3 TP SC100 AU3 TP When the priority setting is transferred to FC100 AU3 TP or SC100 AU3 TP WITH A PR...

Page 20: ...hese instructions carefully Gas Cold Hot Drain plug Power supply Manual water valve Manual gas valve 1 Close the manual gas shut off valve 2 Turn off the power supply to the water heater 3 Close the manual water shut off valve located on the water supply line 4 Open all hot water taps in the house Bathroom kitchen laundry room etc When the water flow has ceased close all hot water taps 5 Have a bu...

Page 21: ...er clear Remove any combustible materials gasoline or any flammable vapors and liquids UNIT DRAINING and FILTER CLEANING 1 Close the manual gas shut off valve 2 Turn off the power supply to the water heater 3 Close the manual water shut off valve 4 Open all hot water taps in the house Bathroom kitchen laundry room etc When the residual water flow has ceased close all hot water taps 5 Have a bucket...

Page 22: ...e hot water is not available when a fixture is opened Make sure the unit has 240V 50Hz power supply If you are using the remote controller is the power button turned on p 18 19 Is the gas supply valve fully open p 17 Is the water supply valve fully open p 17 Is the filter on cold water inlet clean p 21 Is the hot water fixture sufficiently open to draw at least 3 0 l min through the water heater p...

Page 23: ...topped the fan motor keeps running for 15 to 75 seconds in order to re ignite quickly as well as push all exhaust gas out of the flue REMOTE CONTROLLER OPTIONAL PROBLEM POSSIBLE SOLUTIONS Remote controller does not display anything when the power button is turned on Press the ON OFF button If the lamp does not light Make sure the unit has power supply Make sure the connection to the unit is correc...

Page 24: ...emperature Display if fitted The LED on the PCB Error Code on Remote Controller Symptom Burning LED 1 Blink 03 Incorrect Dipswitch Setting Gas 70 Proportional valve computer Burning LED 2 Blinks 31 Output Thermistor 32 Inlet Thermistor 39 Air fuel Ratio Rod Failure Burning LED 3 Blinks 11 Ignition Failure 12 Flame Loss 51 Abnormal Main Gas valve or Gas solenoid Valve 72 False Flame Detection 99 Im...

Page 25: ... 4 3 2 1 34 7 7 O F F Ｐ Ｐ 7 8 Inlet thermistor thermistor Burning LED Flame rod Ground Air fuel ratio rod Flow Sensor 3 9 53 73 M V S V3 S V 2 SV 1 LB G O R O H C F BL BL BL BL BL BL BL PK PK C 18 17 10 65 64 85 R W BK BK BK BK BK BK R R W Ｙ Ｇ Ｏ Trans former BK W Ground BK W Fuse 5A Flow Adjust ment Valve Gas Propor tional Valve PCB 3 9 53 73 10 Ｇ I n c r e a s e b u t t o n D e c r e a s e b u t ...

Page 26: ...ely call a qualified service technician to inspect the water heater and to replace any damaged parts OPERATING INSTRUCTIONS 1 STOP Read the safety information above or in the Owner s Manual 2 Turn off all electric power to the water heater 3 Do not attempt to light the burner by hand 4 Turn the manual gas valve located on the outside of the unit clockwise to the OFF position 5 Wait five 5 minutes ...

Page 27: ...p flammable products 1 Far away from heater 2 In approved containers 3 Tightly closed 4 Out of children s reach Vapors 1 Cannot be seen 2 Vapors are heavier than air 3 Go a long way on the floor 4 Can be carried from other rooms to the main burner by air currents WARNING Do not install water heater where flammable products will be stored Read and follow water heater warnings and instructions If ow...

Page 28: ...the water will determine the flow rate output of the unit Please refer to the temperature vs litre per minute chart to determine the likely flow rates based on your local ground water temperature and your desired outlet water temperature combination WARRANTY CONDITIONS Please contact 1800 697 652 for full warranty conditions and Service information Set Temp Incoming Temp GS 2600W AU Set Temp Incom...

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