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INSTALLATION GUIDE
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.
•
OWNER'S GUIDE
GAS WATER HEATERS
GS-20W-AU5/6
GS-26W-AU5/6
EXTERNAL INSTALLATION ONLY
WARNING
SPARK BUSINESS GROUP PTY LTD
and
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Summary of Contents for Takagi GS-20W-AU5/6
- Page 1 SPARK BUSINESS GROUP PTY LTD INSTALLATION GUIDE OWNER’S GUIDE GAS WATER HEATERS GS-20W-AU5/6 GS-26W-AU5/6 EXTERNAL 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 •...
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Page 2: Table Of Contents
CONTENTS 1.IMPORTANT ..........2 REMOTE CONTROLLER INSTALLATION ..15 FOR THE INSTALLER ........2 CONNECTION OF REMOTE CONTROLLER FOR SERVICE ..........3 WIRING TO THE WATER HEATER ....16 12.INITIAL OPERATION .........17 FOR THE PLUMBER ........3 2.SPECIFICATIONS .........3 ......18 .........4 WITHOUT REMOTE CONTROLLER ....18 ..........5 WITH ONLY MAIN REMOTE CONTROLLER .........19 ........6... -
Page 3: For Service
FOR SERVICE Maintenance and fault-finding must be done in accordance with these instruc�ons and the appli- cable regula�ons listed on the previous page. WARNING FOR THE PLUMBER NOTE: GS-20W/26W-AU5 is supplied factory set at 50 °C outlet hot water temperature to comply with the requirements of . - Page 4 INTRODUCTION • the water heater. • casing of the water heater. (Please refer to p. 7.) • • less hot water for your needs. • The principle behind the water heater is simple: Hea t ex c ha nger Ex ha us t Bur ner F l ow s ens or F a n...
- Page 5 ACCESSORIES DIMENSIONS AND CONNECTION POINTS GS-20W-AU5/6 GS-26W-AU5/6 (Unit: mm) 15.7 COLD COLD...
- Page 6 SAFETY GUIDELINES WARNING • • • DO NOT install the water heater indoors. • 1. Carefully plan where you intend to install the Water Heater. Please ensure: • • Locate the water heater where water leakage will not damage surrounding areas. MANUFAC *If this unit does not match your requirements, TURER.
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Page 7: Installation
INSTALLATION This manual must be followed exactly. Read the “SAFETY GUIDELINES” (p.6) and the “IMPORTANT” CONFIRM THE 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. -
Page 8: Selecting Installation Location
SELECTING AN INSTALLATION LOCATION CAREFULLY READ THIS SECTION BEFORE INSTALLING THE WATER HEATER. WHEN A FOLLOWED EXACTLY. 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- •... -
Page 9: Clearances For Outdoor Heater Locations - As5601
Openable See note 3 window Door See note 2 T = Flue terminal M = Gas meter Shading indicates prohibited I = Mechanical air inlet P = Electricity meter or fuse box Minimum clearances (mm) Ref. Item Natural assisted ・ Appliances up to 50MJ/h input ・... -
Page 10: Gas Connection
GAS CONNECTIONS WARNING Conversion of this unit from natural gas to propane or propane to natural gas cannot be done in the field. Contact your local retailer or distributor to get the correct unit for your gas type. CAUTION Power cord heater and manual gas valve located on the outside of the unit before beginning Gas supply inlet... -
Page 11: Measuring Inlet Gas Pressure And Testing Gas Leakage
MEASURING INLET GAS PRESSURE AND TESTING GAS LEAKAGE The appliance and its gas connections must be tested for leak and the inlet gas pressure must be measured before placing the unit in operation for properly performing and safety. WARNING Measuring inlet gas pressure and testing gas leakage are 2. -
Page 12: Water Connections
WATER CONNECTIONS WARNING Do not reverse the hot outlet and cold Drain plug Heater as this will cause your heater to Filter operate improperly. Hot water outlet Cold water Gate or ball inlet valve on inlet • suitable for potable water systems. •... - Page 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.
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Page 14: Remote Controller (Optional Item)
11. REMOTE CONTROLLER (OPTIONAL ITEM) The water heater can be installed with up to three remote controllers. The remote controller • The output water temperature can be adjusted only by a remote controller which has the heater. (Default set temperature is 40 °C.) •... -
Page 15: Remote Controller Installation
REMOTE CONTROLLER INSTALLATION 1. Crimp the fork terminals provided to the wires. Use the fork terminals • Minimum 18AWG wire (No polarity) • Maximum 100m long 25 mm 45 mm REMOTE CONTROL WIRING controller. Connector base 3. Install the wiring downward through the cable trench and WARNING DO NOT locate the remote controllers where they may come into contact with water. -
Page 16: Connection Of Remote Controller Wiring To The Water Heater
CONNECTION OF REMOTE CONTROLLER WIRING TO THE WATER HEATER 2. Remove the front cover from the water heater. There are 3 screws on the front cover. 4. Connect the remote control wires to the remote terminals directly. (There is no polarity in the 5. -
Page 17: Initial Operation
12. INITIAL OPERATION WARNING: • for leaks before supplying power to the water heater. • Open the main gas supply valve to the unit using only your hand to avoid any spark. Never use • • Refer to p. 11. •... -
Page 18: Without Remote Controller
NORMAL OPERATION WARNING • Water temperatures above 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. -
Page 19: With Only Main
WITH ONLY MAIN REMOTE CONTROLLER INSTALLED Priority Set temperature lamp is ON and the set temperature is displayed on the lamp display remote controller. 2. Adjust the set temperature. can change the output temperature of hot water from 37 °C to 50°C when it is connected to GS-20W/26W-AU5 and 37 ON/OFF °C to 60°C when it is connected to GS-20W/26W-AU6. -
Page 20: Winter Shutdown
FREEZE PREVENTION This unit comes equipped with heaters that prevent the unit from freezing. For this freeze devices will not work if the electrical power source is disconnected. The unit has been rated for temperatures down to -15 °C in a wind free environment. Do not install the water heater in an area with extremely cold weather. -
Page 21: Unit Draining And Filter Cleaning
MAINTENANCE AND SERVICE The water heater should be checked at least once a year or as necessary by a licensed techni- cian. If repairs are needed, any repairs should be done by a licensed technician. WARNING manual water control valve before servicing. •... - Page 22 GENERAL TROUBLESHOOTING PROBLEM POSSIBLE SOLUTIONS • water at the taps. er to your taps depends on the length of piping between the two. The longer the distance or the bigger the pipes, the longer it will take to get hot water. •...
- Page 23 WATER HEATER PROBLEM POSSIBLE SOLUTIONS Unit does not ignite when water • goes through the unit. • • • • keeps running for 15 to 75 seconds in order to re-ignite Unit sounds abnormal while in • Contact the manufacturer. REMOTE CONTROLLER (OPTIONAL) PROBLEM POSSIBLE SOLUTIONS...
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Page 24: Pcb Error Code
17. PCB ERROR CODE troller or blink the LED on the PCB. Consult the following chart for cause for each error code. The PCB is located at the of the cabinet and the error codes can be indicated PCB fault Gas solenoid valve drive circuit failure Output thermistor Inlet thermistor... -
Page 25: Wiring Diagram
18. WIRING DIAGRAM W W H I TE B L U E propor- SV1 SV2 tional R E D G R E E N valve limit BK BLACK Y YEL LOW P PURPLE O ORANGE Inlet BR BROWN thermistor Outlet thermistor Igniter rod MAX button... - Page 26 OPERATING SAFETY FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This water heater does not have a pilot light. It is equipped with an igni�on device that automa�cally lights the burner.
- Page 27 DANGER VAPORS FROM FLAMMABLE LIQUIDS WILL EXPLODE AND CATCH FIRE CAUSING DEATH OR SEVERE BURNS. VENTS OR ADHESIVES IN THE SAME ROOM OR AREA NEAR THE WATER HEATER. Keep flammable products: Vapors: 1. Far away from heater. 1. Cannot be seen. 2.
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Page 28: Water Flow And Water Temperature
21. WATER FLOW AND WATER TEMPERATURE The chart is based on properly sized gas line. Set Temp.(℃) Set Temp.(℃) • • • rates based on your local ground water temperature and outlet water temperature com- 22. WARRANTY CONDITIONS 7N0096...
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