Takagi GS-20W-AU5/6 Installation Manual And Owners Manual Download Page 13 | Manualshive

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13

ELECTRICAL CONNECTION

1.

The water heater must be electrically grounded. Do not

2.

The water heater requires an AC 240V 50Hz electrical power

supply and draws a current of 0.8A.

3.

The weather-proof power point should be no more than 1

metre from the base of the water heater for easy access.

4.

necessary.

5. If the cord supplied with this appliance must be replaced, it

must be replaced with appliance wiring material supplied by

the Manufacturer.

WARNING

When servicing or replacing parts within the water heater, label all wires prior to discon-

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Summary of Contents for GS-20W-AU5/6

Page 1: ...RNAL INSTALLATION ONLY WARNING DO NOT SPRAY AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHILE IT IS IN OPERATION DO NOT USE OR STORE FLAMMABLE MATERIALS IN OR NEAR THIS APPLIANCE DO NOT PLACE ARTICLES ON OR AGAINST THIS APPLIANCE DO NOT MODIFY THIS APPLIANCE SPARK BUSINESS GROUP PTY LTD ...

Page 2: ...ury Indicates an imminently hazard ous situa on which if not avoided could result in minor or moderate injury Indicates informa on considered im portant but not hazard related This Installa on Guide and Owner s Guide has been prepared for Installers and service of the equipment and users Please keep it in a safe place for future reference FOR THE INSTALLER The installa on must be done in accordanc...

Page 3: ... does not exceed the required 50 C set ng or outlet is required to be a minimum of 1 4 metres from the the water heater Pipe size is nominal 18 mm from hot water or outlet First tap or outlet 2 SPECIFICATIONS MODEL Gas Type Nat Gas LPG ULPG Nat Gas LPG ULPG Gas Input MJ h 160 195 Inlet Pressure kPa 1 13 min 5 0 max 2 75 min 7 0 max 2 75 min 7 0 max 1 13 min 5 0 max 2 75 min 7 0 max 2 75 min 7 0 ma...

Page 4: ...exc hanger Exhaus t Fl ow s ens or Ther m i s t or Com put er boar d AC240V Gas val ve Fan Col d wat er i nl et Gas Hot wat er out l et This diagram illustrates the main components only and does not 1 A hot water tap is turned on 2 Water enters the heater 3 4 5 Water circulates through the heat exchanger and it gets heated 6 amount of hot water at the set temperature 7 ...

Page 5: ...5 ACCESSORIES DIMENSIONS AND CONNECTION POINTS 350 339 228 53 23 490 515 45 GAS GAS 117 84 133 52 COLD 44 HOT HOT COLD HOT GAS 60 124 332 95 30 COLD 170 15 7 544 GS 26W AU5 6 GS 20W AU5 6 Unit mm ...

Page 6: ...he 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 outlets bathrooms and is required to be conformed to under all plumbing codes within Australia the vicinity of this appliance gas valves and can cause severe injury or death Follow the diagram...

Page 7: ...HE APPLIANCE SUITABILITY met Gas Type Label CAUTION pendent upon the quality of water supplied to this system The manifold pressure is preset at the factory It is computer controlled and should not need adjustment services The installer must follow the electrical earthing procedure outlined in AS3500 4 before cut ...

Page 8: ...WILL NOT DAMAGE SURROUND ING AREAS WARNING Every care is taken to warn THE PUBLIC AND THE OCCUPANTS OF THE BUILDING OF ANY RISK OF INJURY that may occur from falling tools open trenches water connec 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 mulate Check the proximity of gas electrical lines so as...

Page 9: ...h input up to 150 MJ h input Appliances over 150 MJ h input Ref Item Minimum clearances mm Natural 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 h h h e e d d b c a g See note 3 T T T g See note 2 I Door P M a b c d e f g h j n T Flue terminal I Mechanical air inlet M G...

Page 10: ...ssure above the speci 3 heater is disconnected to avoid any damage to the water heater Always use approved connectors to connect the unit to the gas line Always purge the The manifold pressure is preset at the factory It is computer controlled and is not to be When the gas connections are completed it is necessary to perform a gas leak test either by applying soapy water to all gas fittings and ob...

Page 11: ...erforming and safety 1 2 Open a faucet The unit should turn on and the gas in the gas pipe line should purge Leave the 3 Remove the screw for the pressure port located on the gas inlet of the water heater shown in the diagram below 4 Connect the manometer to the pressure port 5 Re open the manual gas valve Check to see that there are no gas leaks with a gas leak detec tor 6 7 Check the inlet gas p...

Page 12: ... suitable for potable water systems the main water supply line and the water heater Only a gate valve or a ball valve is to be used on the cold water supply No stop taps or check valves are to be used as this will void the warranty and damage the wa ter heater heater COUNTERCLOCKWISE AND THEN CLEAN AND REPLACE 1 TURN OFF THE WATER INLET SUPPLY VALVE 2 OPEN A HOT WATER TAP TO RELEASE THE LINE PRESS...

Page 13: ...of 0 8A 3 The weather proof power point should be no more than 1 metre from the base of the water heater for easy access 4 necessary 5 If the cord supplied with this appliance must be replaced it must be replaced with appliance wiring material supplied by the Manufacturer WARNING When servicing or replacing parts within the water heater label all wires prior to discon ...

Page 14: ...e chart below When BURNER ON lamp is on the set temperature can not be adjusted to 55 and 60 C If you want to set it to 55 and 60 C you should close the hot water tap and controllers are water resistant however should not be posi of the wall and the controller is installed such as the main bathroom and is installed such as the ensuite bath room The controllers can adjust the output water temperatu...

Page 15: ... PROVIDED BEHIND THE MOUNTING POSITION REMOTE CONTROLLER INSTALLATION 1 Crimp the fork terminals provided to the wires Minimum 18AWG wire No polarity Maximum 100m long 2 controller 3 Install the wiring downward through the cable trench and 4 Use the fork terminals 25mm 45 mm REMOTECONTROLWIRING Connector base 83 5 mm ...

Page 16: ...ater There are 3 screws on the front cover 3 4 Connect the remote control wires to the remote terminals directly There is no polarity in the 5 Replace the front cover Then connect the power plug Remote control wires Remote control terminals Put the remote control wires the unit s casing TYPICAL CABLE LAYOUT ...

Page 17: ...cannot reach your gas supplier 12 INITIAL OPERATION 1 Once the above checks have been completed please clean 2 Fully open the manual water control valve on the water sup ply line Open a hot water tap to that tap Then close the hot water tap Fully open the manual gas control valve installed and turn on the 240 volt 50Hz power supply to the water heater Set the water temperature at or the remote con...

Page 18: ...th 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 lets bathrooms and is required to be conformed to under all plumbing codes within Australia 40 C 60 C MODEL DEFAULT 60 C 45 C 55 C Temperature ...

Page 19: ... Set temperature lamp lamp Priority Priority ON OFF Set temperature display Set temperature lamp lamp Priority 1 ensure the PRIORITY lamp of the remote controller is on and the set temperature is displayed on each remote controller 2 Adjust the set temperature The set temperature can only be changed by the remote controller with the PRIORITY lamp on If you want to adjust the set temper ature with ...

Page 20: ...m freezing WINTER SHUTDOWN your unit from freezing and being damaged Gas Cold Hot Drain plug Power supply Manual water valve Manual gas valve 1 2 3 the water supply line 4 Open all hot water taps in the house Bathroom has ceased close all hot water taps 5 Have a bucket or pan to catch the water from the unit s drain plugs the drain plugs to drain all the water out of the unit 6 Wait a few minutes ...

Page 21: ...heck the gas pressure Refer to p 11 1 2 3 4 Open all hot water taps in the house Bathroom kitchen laundry room etc When the resid 5 Have a bucket or pan to catch the water from the unit s drain plugs the drain plugs to drain all the water out of the unit 6 Wait a few minutes to ensure all water has completely drained from unit 7 cold water inlet 8 Securely screw the drain plugs back into place COU...

Page 22: ...longer the distance or the bigger the pipes the longer it will take to get hot water The water is not hot enough p 28 Check cross plumbing between cold water lines and hot water lines The water is too hot The hot water is not available Make sure the unit has 240V 50Hz power supply The hot water gets cold and stays cold p 18 hot water lines ...

Page 23: ...der to re ignite Unit sounds abnormal while in Contact the manufacturer REMOTE CONTROLLER OPTIONAL PROBLEM POSSIBLE SOLUTIONS Remote controller does not display turned on If the lamp does not light Make sure the unit has power supply An ERROR code is displayed Please see the p 24 Remote controller can not change the set temperature taps ...

Page 24: ...cated at the of the cabinet and the error codes can be indicated 031 701 PCB fault 711 Gas solenoid valve drive circuit failure 311 Output thermistor 321 Inlet thermistor 391 111 121 Flame loss 611 Fan motor failure 991 510 Abnormal Main gas solenoid valve 511 Abnormal Gas solenoid valve 721 741 MC 110 AU 751 FC 110 AU SC 110 AU ...

Page 25: ...nlet thermistor Outlet thermistor Gas propor tional valve Flow sensor Flow adjust valve Ground Hi limit Ground 240 VAC Air fuel ratio rod Flame rod Remote controller O H C F Heater Heater Thermostat IG FM PCB SV3 MV SV1 SV2 BK BK BL BL BL BL BL BR BL BL BL BL 40 C 60 C MODEL DEFAULT 60 C 45 C 55 C Temperature settings 50 C MODEL DEFAULT 50 C OFF ON TMP1 TMP2 TMP3 8 7 6 TMP1 TMP2 TMP3 OFF ON 8 7 6 ...

Page 26: ... service technician Forced or a empted repair may result in a ﬁre or explosion D Do not use this water heater if any part has been under water Immediately call a qualiﬁed service technician to replace the water heater OPERATING INSTRUCTIONS 1 STOP Read the safety informa on above or in the Owner s Manual 2 Turn off all electric power to the water heater 3 Do not a empt to light the burner by hand ...

Page 27: ...S IN OPERATION DO NOT PLACE ARTICLE ON OR AGAINST THIS APPLIANCE DO NOT MODIFY THIS APPLIANCE WARNING The outlet hot water temperature of the water heater is factory set at 50 C Use this heater at your own risk The set outlet water temperature can cause severe burns instant ly or death from scalding Test the water before bathing or showering Do not leave children or an inﬁrm person in the bath uns...

Page 28: ...WATER TEMPERATURE The chart is based on properly sized gas line rates based on your local ground water temperature and outlet water temperature com 22 WARRANTY CONDITIONS Set Temp Incoming Temp Set Temp Incoming Temp 7N0096 ...

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