Bosch HydroPower TF250-8G(10H) Installation Manual And Operating Instructions Download Page 7

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8 716 473 071 (2015/04)

HydroPower

Technical Characteristics and Dimensions | 7

2.7

Electrical scheme

Fig. 3

[1] Main Solenoid Valve
[2] Diaphragm Switch
[3] Pilot Solenoid Valve
[4] Ionisation electrode (Flame Rod)
[5] Ignition electrode (Spark Electrode)

[6] Temperature limiter
[7] Hydrogenerator
[8] LED (green)
[9] LED (red)

2.8

Technical characteristics

9708069951-11.1V

Technical characteristics

Units

TF250H / 10H

TF325H / 13H

TF400H / 16H

Gas Consumption

Nominal Gas Consumption

MJ/h

104

130

Supply pressure flowing

Natural gas (When operating)

kPa

1.13

LP gas (When operating)

kPa

2.75

Number of injectors

Water data

Maximum permissible pressure (Static)

kPa

800

Temperature selector in fully clockwise position

Temperature rise (Above incoming water temperature)

°C

Water flow range (Litres per minute)

l/min

3.2 to 5

3.2 to 6.5

3.2 to 8

Minimum operating water pressure

kPa

Minimum constant water pressure for minimum flow

kPa

100

130

Table 5

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

Page 1: ... 8G 10H TF325 8G 13H TF400 8G 16H 8 716 473 071 2015 04 AU 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: ...8 4 Installation 8 4 1 Important information 9 4 2 Requirements of the installation location 10 4 3 Hot Water Unit mounting 11 4 4 Water connection 12 4 5 Gas connection 12 4 6 Testing 12 5 Commissioning 12 5 1 Before starting up the heater 12 5 2 Remove the front cover 12 5 3 Inlet pressure adjustment 13 5 4 Burner pressure adjustment 13 5 5 Conversion to a different type of gas 14 6 Operating in...

Page 3: ...t be used supplied by an authorised distributor of Genuine Bosch parts Explosive and highly flammable material Do not store or use flammable material paper spray cans solvents paints etc near the heater Combustion air and surrounding air To avoid corrosion the combustion air and surrounding air must be free from harmful substances Do not spray aerosols or use chemicals around the heater unless hea...

Page 4: ...he pilot ignites the main burner the pilot then goes out The water flows through the heat exchanger where it is heated Safety devices Flame rod to check for accidental extinction of the burner flame Overtemperature switch to prevent overheating Water filter on the inlet water supply Economical Only heating water when required the Bosch range is extremely economical to run Versatile LPG models are ...

Page 5: ... correct operation of the appliance There are various causes of a low flow rate including but not limited to Low flow tapware Flow restrictors aerators Hand held showers Poor inlet pressure to property Restrictive pipework and or fittings Water fixtures with a flow rate of 7 5 litres per min for hand basinsand 9litresperminfor shower rosesarerecommended Failure of the unittooperate correctly dueto...

Page 6: ... Inspection window 4 Wall mounting point 5 Cold water inlet 6 Gas inlet 7 Hot water outlet 265 B 9708069951 01 2V A C E 2 D 3 6 1 50 120 120 Ø1 2 Ø1 2 NG Ø3 4 LPG Ø1 2 4 4 7 5 Dimensions mm A B C D E Weight kg TF250 10H 405 845 533 240 68 21 TF325 13H 405 845 533 240 68 22 TF400 16H 460 936 533 240 82 25 Table 4 Dimensions ...

Page 7: ... Units TF250H 10H TF325H 13H TF400H 16H Gas Consumption Nominal Gas Consumption MJ h 79 104 130 Supply pressure flowing Natural gas When operating kPa 1 13 1 13 1 13 LP gas When operating kPa 2 75 2 75 2 75 Number of injectors 12 14 18 Water data Maximum permissible pressure Static kPa 800 800 800 Temperature selector in fully clockwise position Temperature rise Above incoming water temperature C ...

Page 8: ...r pressure for maximum flow kPa 100 140 170 Technical characteristics Units TF250H 10H TF325H 13H TF400H 16H Table 5 DANGER This appliance must not be installed indoors or in an enclosed space in accordance with AS NZS5601 DANGER Explosion Risk Always turn off the gas valve before carrying out any work on components which carry gas DANGER Appliance malfunction This appliance must be installed with...

Page 9: ...ssthan3metresfrom the hot water unit it must be fitted in conjunction with a cold water expansion valve 700 kPa between the water heater and the pressure limiting valve Failure to comply with this requirement may void the warranty Refer to AS NZS5601 for the relevant gas pipe sizing After finishing the gas piping system the pipes must be thoroughly purged and leak tested This test must be performe...

Page 10: ...ated in Fig 5 according to AS5601 The gas heater must not be installed over a heat source Do not obstruct the openings at top bottom and rear of appliance Maximum of 2 meters from the ground to the base of the appliance Top and bottom areas must be clear from any obstacles at least 30 cm Fig 5 Minimum clearances use as a guide only always refer to AS NZS5601 D Openable Door T Flue terminal M Gas m...

Page 11: ...ricity meter or fuse box P 500 f From a drain pipe or soil pipe 150 g Horizontally from any building structure1 or obstruction facing a terminal 500 h From any other flue terminal cowl or combustion air intake T 1 500 j Horizontally from an openable window door non mechanical air inlet or any other opening into a building with the exception of sub floor ventilation W D T Appliances up to 150 MJ h ...

Page 12: ...low procedures set out in Section 5 for adjustment of Gas Pressures to complete appliance commissioning 5 Commissioning 5 1 Before starting up the heater 5 2 Remove the front cover Loosen the two knurled screws located on the rear side of the front panel Fig 8 Front cover removal CAUTION Never rest the gas heateron the water or gas connections CAUTION Isolatingvalveonthewaterinletlinemustbe a Gate...

Page 13: ...ximum gas flow adjustment Turnonthewaterheaterwiththegascontrolslidesettothe Right maximum gas flow Ensurethewatercontrolknobisfullyopen anticlockwise Adjust appliance regulator to the maximum burner pressure figure on the rating plate See table 8 below Turn the water control knob fully clockwise and check that the burner pressure does not exceed the maximum Minimum gas flow adjustment Withtheheat...

Page 14: ...er water temperature but use more gas Fig 13 6 2 Consumer temperature flow adjustment Turn anti clockwise Increases flow and decreases water temperature Fig 14 Fig 14 Turn clockwise Decreases flow and increases water temperature Regulating the temperature to the minimum required value reduces energy consumption The LED light is not normally visible with the coveron however thegreenLEDindicatesthat...

Page 15: ...nded by a Bosch authorised service agent Only use original replacement parts DANGER Failure to perform maintenance procedures can lead to appliance malfunction errors service calls and loss of manufacturers warranty 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 ...

Page 16: ...ls to ignite refer to qualified technician Unit not working after change in Gas Supply Maintenance work on Mains or change of LPG cylinders Air in gas lines Turn on hot water tap inside house Isolate water valve at unit for 20 seconds Open valve and check if unit lights Repeat this operation 3 4 times if unit still fails to ignite call your Gas Retailer or a qualified technician Not hot enough Ins...

Page 17: ...soot blackmarksobservedat top of flue on wall This is not normal behaviour This is normally caused by blockages in the burner causing poor combustion One of the causes of blockages is insects blocking burner orifices this cannot be avoided as adequate air flow is required for complete combustion All gas appliances require adequate air flow for proper combustion The ingress of insects or dirt into ...

Page 18: ...r quality table 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 exi...

Page 19: ...reof Product if such Product are faulty or defective in manufacture or materials during the warranty period specified below The warranty period commences on the date of purchase If the date of original purchase cannot be determined then the warranty period will commence six 6 months after the date of manufacture stamped on the Product Bosch may require evidence to verify the date of purchase This ...

Page 20: ...ired of correct commissioning of the Product such as certificate of compliance Claims for failures due to incorrect installation or commissioning are not covered under this voluntary warranty and may be rejected by Bosch Where a Product or part thereof is replaced or repaired under this voluntary warranty the balance of the original voluntary warranty will apply The replacement Product or part doe...

Page 21: ...byanauthorisedservicetechnicianduringnormalbusiness hours Boschwillnotaccept claims under this voluntary warranty for attendance and repair of the Product by third parties not authorised by Bosch Deadlines for Submitting Warranty Claims Boschaimstorectifygenuinequalityproblemsasapriority Thisisgenerallyachievedbyinvestigatingwhydefectiveproductshave failedandbyintroducingimmediatecorrectiveactionm...

Page 22: ...ll 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 D...

Page 23: ...8 716 473 071 2015 04 HydroPower 23 Notes ...

Page 24: ......

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