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Bosch HydroPower TF250-8G(10H) Installation Manual And Operating Instructions

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Continuous Flow Gas Water Heaters (External Models)
HydroPower
TF250-8G(10H)/ TF325-8G(13H)/ TF400-8G(16H)
Installation Manual and Operating Instructions
Read installation manual prior to installation of this unit!
Read user manual before putting this unit in operation!
Observe the warnings in the manuals!
The installation room must fulfill the ventilation requirements!
Installation by an authorised person only!

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Table of Contents
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  Summary of Contents for Bosch HydroPower TF250-8G(10H)

  • Page 1 Continuous Flow Gas Water Heaters (External Models) HydroPower TF250-8G(10H)/ TF325-8G(13H)/ TF400-8G(16H) Installation Manual and Operating Instructions Read installation manual prior to installation of this unit! Read user manual before putting this unit in operation! Observe the warnings in the manuals! The installation room must fulfill the ventilation requirements! Installation by an authorised person only!
  • Page 2: Table Of Contents

    2 | Table of contents Table of contents Safety information and symbols ....3 Water quality ....... 18 Key to symbols .
  • Page 3: Safety Information And Symbols

    CAUTION indicates a situation that could result in minor to ▶ Only original spare parts must be used, supplied by an medium injury. authorised distributor of Genuine Bosch parts. • WARNING indicates a situation that could result in severe Explosive and highly flammable material injury or death.
  • Page 4: Technical Characteristics And Dimensions

    • Documentation 0 °C for extended periods. 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 5 Technical Characteristics and Dimensions | 5 Low Flow Rates This gas water heater is designed to operate at a minimum flow rate between 3.2 to 4.0 litres per minute. Sufficient flow must be provided to ensure the correct operation of the appliance. There are various causes of a low flow rate including, but not limited to: •...
  • Page 6: Dimensions

    6 | 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)
  • Page 7: Electrical Scheme

    Technical Characteristics and Dimensions | 7 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) Technical characteristics Technical characteristics Units...
  • Page 8: Regulations

    8 | Regulations Technical characteristics Units TF250H / 10H TF325H / 13H TF400H / 16H Temperature selector in fully anti-clockwise position Temperature rise (Above incoming water temperature) °C Water flow range (Litres per minute) l/min 4 to 10 4 to 13 4 to 16 Minimum operating water pressure Minimum constant water pressure for maximum flow...
  • Page 9: Important Information

    Installation | 9 ▶ Where the pressure limiting valve is less than 3 metres from Minimum water supply pressure must meet the hot water unit, it must be fitted in conjunction with a the requirements set out in table 5. cold water expansion valve (700 kPa), between the water Water fixtures with a flow rate of 7.5 litres heater and the pressure limiting valve.
  • Page 10: Requirements Of The Installation Location

    10 | Installation Requirements of the installation location • The gas heater must not be installed over a heat source. • Do not obstruct the openings at top, bottom and rear of • Comply with the specific instructions for each State. appliance.
  • Page 11: Hot Water Unit Mounting

    Installation | 11 Minimum Ref. Item clearances (mm) Below eaves, balconies and other projections: - Appliances over 50 MJ/h input From the ground, above a balcony or other surface 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...
  • Page 12: Water Connection

    12 | Commissioning the correct pressure to the appliance regulator. CAUTION: The gas pressures require setting upon installation. Never rest the gas heater on the water or gas connections. ▶ Open all water and gas isolation valves. ▶ Purge the pipes. Water connection Purge the water pipes before connection, because the presence of dirt may reduce the flow and, in extreme cases,...
  • Page 13: Inlet Pressure Adjustment

    Commissioning | 13 Inlet pressure adjustment DANGER: The following procedures must only be performed by a qualified technician. Gas pressure adjustment (commissioning) MUST be carried out upon installation. ▶ Check the gas indicated on the rating plate and front cover label is the same as the gas to which the heater is connected.
  • Page 14: Conversion To A Different Type Of Gas

    14 | Operating instructions ▶ Remove manometer and tighten test point screw. Fig. 12 For higher water temperature (Fig. 13). Slide to the right will give higher water temperature but use more gas. 9708069951-18.1V Fig. 10 Gas pressure measurement point Fig.
  • Page 15: Maintenance

    Failure to perform maintenance procedures can lead to appliance malfunction, errors, service calls and loss of manufacturers warranty. ▶ Your appliance should only be attended by a Bosch authorised service agent. ▶ Only use original replacement parts. Maintenance must only be performed by a qualified technician.
  • Page 16: Troubleshooting

    Assembly, maintenance, and repairs must be performed by qualified technicians only. The following chart offers possible solutions to problems. In most instances it is advisable to have a technician attend and inspect the appliance. Some further trouble shooting advice may be found at http://www.bosch-climate.com.au Problem Cause Solution Fluctuation in hot water temperature.
  • Page 17: Environmental Protection

    Table 10 Environmental protection Environmental protection is a basic company strategy of Old appliances Bosch. The quality of our products, profitability and Old appliances contain valuable materials that should be environmental protection are equal-ranking goals for us. Laws recycled. and regulations concerning environmental protection are strictly observed.
  • Page 18: Water Quality

    18 | 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. While Bosch water heaters are warranted against...
  • 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 | 23 Notes HydroPower 8 716 473 071 (2015/04)

This manual is also suitable for:

Hydropower tf325-8g(13h)Hydropower tf400-8g(16h)