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Bosch Optiflow GWH26 3 CT E23, Operating Manual

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Bosch Optiflow GWH26 3 CT E23 Operating Manual Download Page 1

Operating Manual

Gas continuous flow water heaters

OptiFlow Professional

6720808877-00.1V

GWH12 1 CTD E23/31 F3 OL

6 720 813 938 (2016/06) AU

Read installation manual prior to installation of this appliance!
Read user manual before putting this unit in operation!

Observe the warnings in the manuals!
The installation location must meet the requirements for sufficient ventilation!

Installation by an authorised person only!

Summary of Contents for Optiflow GWH26 3 CT E23

Page 1: ... F3 OL 6 720 813 938 2016 06 AU Read installation manual prior to installation of this appliance Read user manual before putting this unit in operation Observe the warnings in the manuals The installation location must meet the requirements for sufficient ventilation Installation by an authorised person only ...

Page 2: ...of appliance 5 2 6 Accessory 5 2 7 Appliance layout 6 3 Operation instructions 7 3 1 Digital display description 7 3 2 Before commissioning the appliance 7 3 3 Switching the appliance on off 7 3 4 Temperature control 7 3 5 Programming button 8 3 6 Draining the appliance 8 3 7 Codes of errors in the display 8 3 8 Cleaning the front of the appliance 8 4 Maintenance only by authorised technicians 9 5...

Page 3: ...y original spare parts must be used supplied by an authorised supplier of genuine Bosch parts Explosive and highly flammable material Do not store or use flammable material paper spray cans solvents paints etc near the heater Combustion air and surrounding air To avoid corrosion the combustion air and surrounding air must be free from harmful substances Do not spray aerosols or use chemicals aroun...

Page 4: ...liances Thisappliancecanbeusedbychildrenof8yearsandolder as well as by people with reduced physical sensory or mental capabilities or lacking in experience and knowledge if they are supervised and have been given instruction in the safe use of the appliance and understand the resulting dangers Children must not play with the appliance Cleaning and user maintenance must not be performed by children...

Page 5: ...ription of appliance Wall mounted appliance Remote control with multifunctional display panel optional Appliance for operating with natural gas or Universal LPG Electronic ignition Water flow sensor Water valve Temperaturesensorsformonitoringthetemperatureofthe incoming and outgoing water of the appliance Safety devices Flame sensor rod Thermal fuse Outgoing water temperature sensor Electronic con...

Page 6: ...ter temperature sensor 9 Hot water outlet 10 Connecting lead with plug 11 Remote control optional 12 Ignition electrode 13 Gas pressure test point 14 Water flow sensor and Water valve 15 Eletronic control box 16 Cold water temperature sensor 17 Gas valve 18 Cold water valve 19 Incoming gas pressure test point 20 Gas inlet 21 Frost protetion device 6720808877 03 1V 10 2 3 4 5 8 9 6 7 11 15 13 14 20...

Page 7: ... off Switching on the appliance Press the button The display shows the selected water temperature Fig 4 Switching off the appliance Press the button 3 4 Temperature control Open all the water and gas valves CAUTION Burns In the flue exit area high temperatures may be reached Do not touch the flue exit area while in operation 6720806426 06 1V 6720806146 02 1V 1 2 5 3 4 CAUTION The initial start up ...

Page 8: ...followed Shut off the cold water isolation valve on the cold water inlet off the appliance Open a hot water tap Remove the connection to the cold water pipe Empty all the water contained inside the appliance 3 7 Codes of errors in the display See tab 4 on page 10 Resetting the appliance Some of the possible faults may be solved by resetting the appliance Press the button for 3 seconds 3 8 Cleaning...

Page 9: ...emission of exhaust gas are maintained at the best values we recommend that the appliance be inspected every two years and if necessary maintenance works be carried out Your appliance should only be attended to by a Bosch servicetechnician Tolocateyournearestserviceprovider call AU 1300 30 70 37 NZ 0800 54 33 52 Maintenance must only be performed by an authorised service technician ...

Page 10: ...l an authorised service technician A9 Hot water outlet temperature sensor is not fitted properly Low incoming gas pressure Check temperature sensor and associated connections If the problem persists call an authorised service technician C7 Faulty fan Check if the fan is properly connected to ECU If the problem persists call an authorised service technician CA Water flow above maximum specified val...

Page 11: ...all an authorised service technician EE Modulating solenoid valve disconnected Check solenoid connections If the problem persists call an authorised service technician EF Wrong gas connected Call an authorised service technician F7 A flame is detected although the appliance is switched off Unplug the electrical connection for 10 seconds Reconnect and restart the appliance If the problem persists c...

Page 12: ...sible technology and materials for protecting the environment taking into account of economic considerations Packaging We participate in the recycling programmes of the countries in which our products are sold to ensure optimum recycling All of our packaging materials are environmentally friendly and can be recycled Used appliances Used appliances contain valuable materials that should be recycled...

Page 13: ...qualitytable 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...

Page 14: ...fluences NOTE Any service call costs incurred by the owner or user of the hot water unit for any matter not covered by the terms of this warranty will not be reimbursed by Bosch even if those costs are incurred during the warranty period If the hot water unit is located outside the usual operating area of a Bosch service agent the agent s travel freight or similar costs are not coveredbythiswarran...

Page 15: ... questions about this warranty or to lodge a warranty claim please contact Robert Bosch Australia Pty Ltd 1555 Centre Road Clayton Victoria 3168 Tel Australia 1300 307 037 Tel New Zealand 0800 543 352 IMPORTANT NOTE FOR AUSTRALIAN CONSUMERS Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacementorrefundforamajorfailureandforcompens...

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