Bosch HydroPower TF325-8G(13H) Installation Manual And Operating Instructions
Continuous flow gas water heaters (external models)
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Summary of Contents for Bosch HydroPower TF325-8G(13H)
- Page 1 Installation Manual and Operating Instructions Continuous Flow Gas Water Heaters (External Models) HydroPower TF250-8G(10H) | TF325-8G(13H) | TF400-8G(16H)
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Page 2: Table Of Contents
Table of contents Table of contents Safety information and symbols ....3 Environmental protection ....18 Key to symbols . -
Page 3: Safety Information And Symbols
▶ Close the gas supply valve to the ▶ Only original spare parts must be appliance. used, supplied by an authorised ▶ Isolate gas supply from gas meter or distributor of Genuine Bosch parts. LPG bottle. Explosive and highly flammable ▶ Do not operate any electrical material appliances or switches (on/off). -
Page 4: Technical Characteristics And Dimensions
General Description The appliance has been AS/NZS 5263.1.2 tested. ▶ Correct installation and commissioning of this appliance. Models Bosch Hydropower TF250/325/400 ▶ Ensuring the appliance performs to Category CONTINUOUS FLOW the specifications stated on the rating Type GAS - EXTERNAL INSTALLATION label. -
Page 5: Package Contents
Gas hot water unit • Documentation Product overview HydroPower Ignition is exclusive to Bosch - it does not require a 240V power supply. • HydroPower uses the energy created by the water flow to ignite the burner and begin the heating process. The unit only starts when a hot water tap is opened. -
Page 6: Dimensions
Technical Characteristics and Dimensions Dimensions NG: Ø3/4" LPG: Ø1/2" Ø1/2" Ø1/2" 9708069951-01.2V Fig. 2 [1] Top flue [2] Front cover [3] Inspection window [4] Wall mounting point [5] Cold water inlet [6] Gas inlet [7] Hot water outlet Dimensions (mm) Weight (kg) TF250(10H) TF325(13H) -
Page 7: Electrical Scheme
Technical Characteristics and Dimensions Electrical scheme 9708069951-11.1V Fig. 3 [1] Main Solenoid Valve [6] Temperature limiter [2] Diaphragm Switch [7] Hydrogenerator [3] Pilot Solenoid Valve [8] LED (green) [4] Ionisation electrode (Flame Rod) [9] LED (red) [5] Ignition electrode (Spark Electrode) HydroPower –... -
Page 8: Technical Characteristics
Regulations Technical characteristics Technical characteristics Units TF250H / 10H TF325H / 13H TF400H / 16H Gas Consumption Nominal Gas Consumption MJ/h Supply pressure flowing Natural gas (When operating) 1.13 1.13 1.13 LP gas (When operating) 2.75 2.75 2.75 Number of injectors Water data Maximum permissible pressure (Static) Temperature selector in fully clockwise position... -
Page 9: Important Information
Installation 850 mm All gas appliances require adequate air intake to ensure correct combustion. Insects and dirt ingress may affect combustion causing sooting. If you notice sooting from the flue outlet the unit would require servicing. Pest and dirt ingress is not covered by the manufacturers warranty. -
Page 10: Requirements Of The Installation Location
Installation Note: Incorrect pipe sizing or gas supply pressure may cause • Location must allow for safe servicing and customer the appliance to underperform. Service calls for incorrect pipe operation. sizing and/or gas pressure, will NOT be covered under • Side clearances to be measured from flue outlet, not wind warranty. -
Page 11: Hot Water Unit Mounting
Installation Ref. Item Minimum clearances (mm) From a return wall or external corner From a gas meter (M) (see 5.11.5.9 of AS/NZS5601 for vent terminal location of regulator) 1000 From an electricity meter or fuse box [P] From a drain pipe or soil pipe Horizontally from any building structure or obstruction facing a terminal From any other flue terminal, cowl, or combustion air intake [T]... -
Page 12: Water Connection
Installation CAUTION: Isolating valve on the water inlet line must be a Gate or ¼ turn full flow Ball Valve. A Stop Valve, Duo Valve or Non-Return Valve must not be fitted. Gas connection DANGER: If local regulations are not followed, a fire or explosion could result causing property damage, personal injury, or loss of life. -
Page 13: Commissioning
Commissioning Inlet pressure adjustment Commissioning DANGER: Before starting up the heater The following procedures must only be performed by a qualified technician. CAUTION: ▶ Initial startup must be performed by an Gas pressure adjustment (commissioning) MUST be carried authorised gas fitter who will provide the out upon installation. -
Page 14: Conversion To A Different Type Of Gas
Operating instructions ▶ Remove manometer and tighten test point screw. 9708069951-9.1V Fig. 10 Burner pressure measurement point Fig. 11 Gas pressure measurement point Maximum gas flow adjustment ▶ Turn on the water heater with the gas control slide set to the Right (maximum gas flow). -
Page 15: Consumer Temperature/Flow Adjustment
▶ Only use original replacement parts. more gas. 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. Service checklist Done Water Valve 1.1 Diaphragm, replace if required. Fig. 14 1.2 Water throttle, greased, O-rings replaced if... -
Page 16: Troubleshooting
Assembly, maintenance, and repairs must be performed by inspect the appliance. qualified technicians only. The following chart offers possible Some further trouble shooting advice may be found at solutions to problems. http://www.bosch-thermotechnology.com.au In most instances it is advisable to have a technician attend and Problem Cause Solution Fluctuation in hot water temperature. - Page 17 Troubleshooting Problem Cause Solution Temperature too cold in Winter. Incoming water temperature has Adjust Water and Gas controls at the unit decreased with the ambient to achieve desired temperature. temperature.Gas control is on warm position (Fully Left). Reduced water flow. Insufficient water supply pressure.
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Page 18: Environmental Protection
Environmental protection Water quality Environmental protection is a basic company strategy of All Bosch water heating appliances are constructed from high Bosch. The quality of our products, profitability and quality materials and components, and all are certified for environmental protection are equal-ranking goals for us. Laws... -
Page 19: 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 20 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 21 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 22 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 23 Notes HydroPower – 8 716 473 071 (2021/02)
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