Bosch OptiFlow Professional GWH12 1 CTD E23 Operating Manual Download Page 13

6 720 813 939 (2016/05)

OptiFlow Professional

Warranty details | 13

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Warranty  details

Robert Bosch (Australia) Pty Ltd
(Bosch) Manufacturer's Warranty
(Applicable for purchases from 1 January 2012)

All Bosch hot water units are carefully checked, tested and 
subject to stringent quality controls.

1. Warranty

Bosch offers, at its option, to repair or exchange this Bosch hot 
water unit or the relevant part listed in clause 2 below at no 
charge, if it becomes faulty or defective in manufacture or 
materials during the warranty period also stated in clause 2. 
This warranty is offered in addition to any other rights or 
remedies held by a consumer at law.

2. Warranty periods & coverage
(a)

 Domestic applications: 3 years (parts and labour)

(b)

 Heat exchangers used in domestic applications: 12 years 

(parts only)

(c)

 Commercial applications: 12 months (parts and labour)

(d)

 Heat exchangers used in commercial applications: 12 

months (part and labour)

All warranty periods commence on the date of purchase of the 
hot water unit by the end-user. However, where the date of 
purchase by the end-user is more than 24 months after the 
date of manufacture, all warranty periods will automatically 
commence 24 months after the date of manufacture.

3. Warranty exclusions

This warranty is VOID if any damage to or failure of the hot 
water unit is caused wholly or partly by:

(a)

 faulty installation

(b)

 neglect, misuse, accidental or non-accidental damage, 

failure to follow instructions

(c)

 use of the unit for purposes other than which it was 

designed or approved

(d)

 unauthorised repairs or alterations to the unit without 

Bosch's consent

(e)

 use of unauthorised parts and accessories without Bosch's 

consent

(f) 

use of non-potable water or bore water in the hot water unit 

(see product instructions for further details)

(g) 

continued use after a fault becomes known or apparent.

This warranty DOES NOT include:

(a)

 costs of consumables or accessories

(b) 

wear and tear, normal or scheduled maintenance

(c)

 to the extent permitted by law, any damage to property, 

personal injury, direct or indirect loss, consequential losses or 
other expenses

(d)

 changes in the condition or operational qualities of the hot 

water unit due to incorrect storage or mounting or due to 
climatic, environmental or other influences.

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 
covered by this warranty and must be paid by the owner or user 
of the hot water unit.

4. Warranty conditions
(a)

 Proof of purchase may be required.

(b)

 The hot water unit must be installed by an authorised and 

licensed installer.

(c)

 Proof may be required of the date of installation and correct 

commissioning of the hot water unit has been carried out to 
Bosch's satisfaction (such as a certificate of compliance).

(d)

 Repair or replacement of the hot water unit or any parts 

under this warranty does not lengthen or renew the warranty 
period.

(e)

 This warranty is not transferable and is only offered to the 

original purchaser of the hot water unit.

(f)

 No employee or agent of Bosch is authorised to amend the 

terms of this warranty.

(g)

 This warranty only applies to Bosch hot water units 

purchased from an authorised reseller and installed in Australia 
or New Zealand.

(g)

 To the extent that any condition or warranty implied by law 

is excludable, such condition or warranty is excluded.

5. How to lodge a warranty claim and warranty procedure
(a)

 Warranty claims must be made with the Bosch Customer 

Contact Centre (Australia: ph 1300 307 037; New Zealand: ph 
0800 543 352). Please be ready to provide the model and 
serial numbers, date of installation, purchase details and a full 
description of the problem. Warranty claims must be made 
before the end of the warranty period.

(b)

 All warranty service calls must conducted by an authorised 

Bosch service agent.

(c)

 Invoices for attendance and repair of a hot water unit by 

third parties not authorised by Bosch will not be accepted for 
payment by Bosch.

6. Privacy Act 1988 (Cth)

A customer's personal information collected during warranty 
claims may be used for the provision of customer support, for 
the provision of information about products and services and 
for other marketing activities undertaken by Bosch and its 
Bosch Service Agents who are authorised to carry out warranty 
repairs on behalf of Bosch (Purpose). Bosch is committed to 
protecting the privacy of its customers' personal information. It 
will act in compliance with the National Privacy Principles and 

Summary of Contents for OptiFlow Professional GWH12 1 CTD E23

Page 1: ...CTD E23 31 F5 L 6 720 813 939 2016 05 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: ...f appliance 5 2 6 Accessory 5 2 7 Appliance layout 6 3 Operation instructions 7 3 1 Digital display description 7 3 2 Before first use of 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 Error codes 8 3 8 Cleaning the front of the appliance 8 4 Maintenance only by authorised service technicians 8 5 Troubleshoot...

Page 3: ...years The installer is responsible for the safety and environmental compatibility of the installation The owner user is responsible for keeping the area around the water heater free from debris Safe access to inspect and service the water heater is the responsibility of the property owner Use only genuine Bosch spare parts Explosive and flammable material Do not store or use flammable material pap...

Page 4: ...ordance with EN 60335 1 in order to prevent hazards from occurring when using electrical appliances 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...

Page 5: ...Description of appliance Room sealed wall mounted appliance for internal installation Multifunctional display panel Suitable for 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 Hot water temperature sensor Electronic control uni...

Page 6: ...rature sensor 7 Thermal fuse 8 Hot water temperature sensor 9 Hot water outlet 10 Power cord and plug 11 Combustion gas collector 12 Frost protection device 13 Ignition electrode 14 Burner pressure test point 15 Water flow sensor and Water valve 16 Electronic control unit 17 Cold water temperature sensor 18 Gas valve 19 Cold water inlet 20 Gas pressure test point 21 Gas inlet ...

Page 7: ...on valve of the installation 3 3 Switching the appliance on off Switching on the appliance Press the button The screen cover shows the selected water temperature Fig 3 Switching the appliance off Press the button 3 4 Temperature control Press thebuttons or untilyou reachthe desired temperature Fig 4 Open all the water and gas valves CAUTION Hot surface The front of the appliance may reach high tem...

Page 8: ... Some error codes may be solved by resetting the appliance Press the button for 3 seconds 3 8 Cleaning the front of the appliance Only clean the front of the appliance with a cloth and detergent with water 4 Maintenance onlybyauthorisedservice technicians To guarantee that the consumption of gas and the emission of exhaust gas are maintained at the best values we recommend that the appliance be in...

Page 9: ... 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 valu...

Page 10: ...nician 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 call an authorised service technician F9 Safety solenoid valve disconnected Call an authorised service technician FA Fault in the gas control valve Call an author...

Page 11: ...iciency and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed We use the best possible 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 rec...

Page 12: ...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 13: ... influences 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 coveredbythiswar...

Page 14: ...y 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 replacementorrefundforamajorfailureandforcompen...

Page 15: ...6 720 813 939 2016 05 OptiFlow Professional 15 Notes ...

Page 16: ...6720813939 ...

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