Bosch OptiFlow Professional GWH12 1 CTD E23 Operating Manual
Gas continuous flow water heater
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Gas continuous flow water heaters
OptiFlow Professional
GWH12 1 CTD E23/31 F3 OL
Operating Manual
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!
6720808877-00.1V
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Table of Contents
Related Manuals for Bosch OptiFlow Professional GWH12 1 CTD E23
Summary of Contents for Bosch OptiFlow Professional GWH12 1 CTD E23
- Page 1 6720808877-00.1V Gas continuous flow water heaters OptiFlow Professional GWH12 1 CTD E23/31 F3 OL Operating Manual 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!
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Page 2: Table Of Contents
2 | Index Index Key to symbols and safety instructions ..3 Key to symbols ..... . . 3 General safety instructions . -
Page 3: Key To Symbols And Safety Instructions
▶ Only original spare parts must be used, supplied by an • CAUTION indicates a situation that could result in minor to authorised supplier of genuine Bosch parts. medium injury. Explosive and highly flammable material • WARNING indicates a situation that could result in severe ▶... -
Page 4: Product Details
4 | Product details Regulations Product details All local by-laws and regulations pertaining to installation and use of gas appliances must be observed. Declaration of Conformity This appliance must be installed in accordance with the The appliance has been AS 4552 tested. manufacturers installation instructions, AS/NZS5601, AS/ NZS3500, and all Local Building &... -
Page 5: Included Items
Product details | 5 Included items • Gas continuous flow water heater • Fixing brackets • Appliance documentation Rating plate The rating plate is located on the outside of the appliance, on the bottom. The particular room has the indications on the performance of the appliance, approval data and the serial number. -
Page 6: Appliance Layout
6 | Product details Appliance layout 6720808877-03.1V Fig. 1 [1] Flue terminal [16] Cold water temperature sensor [2] Flame sensor road [17] Gas valve [3] Burner [18] Cold water valve [4] Air pressure head test point [19] Incoming gas pressure test point [5] Fan [20] Gas inlet [6] Air temperature sensor... -
Page 7: Operation Instructions
Operation instructions | 7 Operation instructions Before commissioning the appliance Open all the water and gas valves. CAUTION: ▶ The initial start-up of the water heater must be done by an authorised installer who will provide the customer with all CAUTION: Burns! the information required for the proper In the flue exit area, high temperatures may... -
Page 8: Programming Button
8 | Operation instructions ▶ Press the buttons until you reach the The display shows the temperature previously set and this goes desired temperature. on to be the selected temperature. Draining the appliance NOTICE: Not draining the appliance when a freezing risk exists may damage components of the appliance. -
Page 9: Maintenance (Only By Authorised Technicians)
Maintenance must only be performed by an authorised service technician. ▶ Your appliance should only be attended to by a Bosch service technician. To locate your nearest service provider, call: AU 1300 30 70 37, NZ 0800 54 33 52... -
Page 10: Troubleshooting
10 | Troubleshooting Troubleshooting Fitting, maintenance and repair must only be carried out by authorised technicians. The following table describes the possible solutions. Display Description Possible solution Cold and hot water temperature sensor damaged. ▶ Check temperature sensor and associated connections. - Page 11 Troubleshooting | 11 Display Description Possible solution Faulty inlet water temperature sensor. ▶ Check temperature sensor and associated connections. ▶ If the problem persists, call an authorised service technician. Air temperature sensor detects overheating (leaking ▶ Switch off at the power point and remove combustion products inside the combustion the plug from the electrical socket.
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Page 12: Environment / Disposal
12 | Environment / disposal Environment / disposal Environmental protection is a fundamental corporate strategy of the Bosch Group. The quality of our products, their efficiency and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed. -
Page 13: Water Quality
Water quality | 13 Water quality All Bosch water heating appliances are constructed from high quality materials and components and all are certified for compliance with relevant parts of Australian and New Zealand gas, electrical and water standards. Whilst Bosch water heaters are warranted against defects, the... -
Page 14: Warranty Details
1. Warranty of the hot water unit. 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 4. Warranty conditions charge, if it becomes faulty or defective in manufacture or (a) Proof of purchase may be required. - Page 15 Purpose. A customer can object at any time to the use of their personal information for the Purpose. Bosch will cease to use a customer's personal information accordingly if an objection is made.
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