Bosch GWH 10-2 G Series Installation Manual And Operating Instructions
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Summary of Contents for Bosch GWH 10-2 G Series
- Page 1 Installation Manual and Operating Instructions Gas Water Heaters GWH 10-2 G... | GWH 13-2 G... | GWH 16-2 G...
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Page 2: Table Of Contents
Table of contents Table of contents Key to symbols and safety instructions ..3 Maintenance ....... . 16 Explanation of symbols . -
Page 3: Key To Symbols And Safety Instructions
Key to symbols and safety instructions ▶ Do not operate any electrical Key to symbols and safety appliances or switches (on/off). instructions ▶ Extinguish other sources of ignition. Explanation of symbols ▶ Go to a different location and call the gas supplier or an authorised Warnings technician. - Page 4 Key to symbols and safety instructions Combustion air and surrounding air ▶ Handing these instructions to customer. ▶ To avoid corrosion, the combustion air and surrounding air must be free ▶ Flue and ventilation guidelines must from harmful substances (e.g. be followed.
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Page 5: Technical Characteristics And Dimensions
General Description The appliance has been AS/NZS 5263.1.2 tested. Easily accessible water inlet filter. Internal flue diverter, connection to external flue. Fluing to be purchased by external supplier (refer to Bosch for Model GWH 10/13/16 -2 G.. details of supplier). -
Page 6: Dimensions
Technical Characteristics and Dimensions Dimensions Fig. 1 [1] Front cover [8] Gas connection [2] Opening in rear panel for mounting on the wall [9] Connection collar for flue [3] Temperature/volume selector [10] Draught diverter [4] Gas adjustment [11] Copper Heat exchanger [5] Digital display [12] Burner [6] Switch/LED - Low water pressure indicator... -
Page 7: Functional Diagram Of The Heater
Technical Characteristics and Dimensions Functional diagram of the heater 6720608992-05.1V Fig. 2 Functional diagram [1] Pilot burner [17] Diaphragm [2] Ignition Electrode [18] Main gas valve [3] Ionisation probe [19] Maximum gas adjusting screw [4] Heat exchanger [20] Gas supply pipe [5] Main burner [21] Gas filter [6] Injector... -
Page 8: Electrical Diagram
Technical Characteristics and Dimensions Electrical diagram Fig. 3 Electrical diagram [1] Ignition electrode [8] Temperature sensor [2] Ignition unit [9] Pilot solenoid (Normally Closed) [3] Switch/LED - Low water pressure indicator [10] Diaphragm valve [4] Digital display [11] Main Solenoid (Normally Open) [5] Ionisation probe [12] Hydrogenerator [6] Flue gas safety device... -
Page 9: Technical Characteristics
Regulations Technical characteristics Technical characteristics Units GWH10 GWH13 GWH16 Gas Consumption Nominal Gas Consumption 100 (NG) 97 (LP gas) Supply pressure Natural gas H 1.13 1.13 1.13 LP gas 2.75 2.75 2.75 Number of injectors Water data Maximum permissible pressure 1000 1000 1000... -
Page 10: Important Information
Installation solvents, paints, glues, hairsprays and various domestic This appliance should only be installed in detergents. If necessary, take adequate measures. applications where cold water temperature • Install the appliance in accordance with the minimum does not exceed 40 °C. installation clearances indicated in Fig. -
Page 11: Heater Mounting
Installation Water connection DANGER: Make sure that all flue connections It is advisable to purge the water pipes before connection, are sealed. because the presence of dirt may reduce the flow and, in ▶ Fit the flue pipe with an approved flue extreme cases, cause a blockage. -
Page 12: Gas Connection
Installation Gas connection Flue connection ▶ Please refer to the fluing guideline supplement for further DANGER: requirements and instructions. If local regulations are not followed, a fire or Typical flue installation explosion could result causing property damage, personal injury, or loss of life. Size gas supply as per AS/NZS5601. -
Page 13: Operating Instructions
Operating instructions Operating instructions Open all water and gas isolation valves. Only press switch with no water flowing Purge the pipes. (activation of the switch with water flowing will result in an FO fault. Turn the flow off then on to clear fault). -
Page 14: Gas Adjustment
Operating instructions Temperature/flow adjustment ▶ Turn anti-clockwise Increases flow and decreases water temperature. Fig. 11 Gas adjustment Lower water temperature. Use less gas. Fig. 14 ▶ Turn clockwise. Decreases flow and increases water temperature. Regulating the temperature to the minimum required value reduces energy consumption. -
Page 15: Draining The Appliance
Commissioning Draining the appliance Commissioning There are two ways to drain the appliance if there is a risk of freezing. Inlet pressure adjustment After turning off the inlet water valve and gas supply, open a hot water tap to relieve pressure then proceed as follows: DANGER: The following procedures must only be Water valve draining (see fig 14) -
Page 16: Maintenance
These jobs can only be done by a qualified technician. Maintenance must only be performed by a qualified technician. Maintenance information is contained in a service manual available to licenced technicians upon request from Bosch. Flue gas safety device DANGER: The probe must never be turned off, modified or replaced with a different part under any 6720607418-02.2V... - Page 17 Maintenance prevents combustion gases from entering the room where the gas heater has been installed. The probe restarts after a reset period. If the heater turns off during operation: ▶ Ventilate the room. ▶ After 10 minutes, turn on the heater once again. Call a qualified technician if the same thing happens again.
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Page 18: Problems
Problems Problems Problem/cause/solution Assembly, maintenance and repairs must be performed by qualified technicians only. The following chart offers solutions to possible problems. Problem Cause Solution The heater does not ignite and digital Switch turned off. Check switch position. display is turned off. Slow and difficult ignition of the burner. - Page 19 Problems Problem Cause Solution Digital display shows “EA”. There is spark but the main burner does Check: not ignite, heater blocked.No ionisation • Gas supply, position of valves, empty probe signal. LP gas cylinders. Digital display shows “F0”. Power was activated with a hot water tap Turn the water off and on.
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Page 20: Environmental Protection
Environmental protection Environmental protection Environmental protection is a basic company strategy of Bosch. The quality of our products, profitability and environmental protection are equal-ranking goals for us. Laws and regulations concerning environmental protection are strictly observed. We use the best possible technology and materials, under economic considerations, to protect the environment. -
Page 21: Water Quality
Water quality 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 22: Warranty Details
Guarantees Act 1993 NZ in respect of your product. Warranty Bosch warrants, at its option, to repair or replace your water heater or relevant part thereof (Product) if such Product are faulty or defective in manufacture or materials during the warranty period specified below. - Page 23 These warranty terms cannot be amended except in writing by an authorised officer of Bosch. • The warranty only applies to Product installed for an end user in Australia or New Zealand and purchased from Bosch or from a reseller where the Product have been originally sold by Bosch.
- Page 24 It is therefore critical that all warranty claims are promptly submitted to Bosch as soon as the product fails, and in any event before the end of the warranty period.
- Page 25 Bosch will not disclose any personal information to third parties other than for the Purpose or except as required by law. An end user has the right to access the personal information Bosch or its authorised service technician hold about them. The end user can request to see, change or modify the personal information held about them, or withdraw consent for its usage, by contacting Bosch at the Bosch Contact Details below.
- Page 26 Notes 6 720 608 992 (2021/02)
- Page 27 Notes 6 720 608 992 (2021/02)
- Page 28 6720608992...