Bosch WR 250 -8 K..G Series Скачать руководство пользователя страница 1

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with Hydropower Ignition

Gas Instantaneous Water Heaters

WR 250 -8 K..G..
WR 325 -8 K..G..
WR 400 -8 K..G..

Installation and Operating Instructions

THE APPLIANCE MAY ONLY BE INSTALLED BY AN AUTHORISED PERSON.

Perfect functioning of the appliance is guaranteed only if this specification and the operating instructions are followed.

The customer shall be provided with these installation instructions.

The fitter shall explain the function and operation of the appliance to the customer.

Servicing may only be carried out by authorised personnel.

Installation in a marine environment should be avoided.

Install in accordance with AS5601, AS/NZS3500.4.2, NZS5261 and all local building, water and gas fitting regulations.

Not suitable for pool or SPA application.

Failure to install the appliance in accordance with these installation instructions may void warranty.

720

606

692

(02.05)

Approved for indoor installation only.

For your safety

If you smell gas:
1.

Close gas isolating cock

Open windows

Do not actuate any electrical switches

Extinguish naked flames

Contact gas authorities immediately

Do not store or use flammable materials or liquids
near the appliance.
Do not place articles on or against this appliance.

Содержание WR 250 -8 K..G Series

Страница 1: ... out by authorised personnel Installation in a marine environment should be avoided Install in accordance with AS5601 AS NZS3500 4 2 NZS5261 and all local building water and gas fitting regulations Not suitable for pool or SPA application Failure to install the appliance in accordance with these installation instructions may void warranty 6 720 606 692 02 05 JS Approved for indoor installation onl...

Страница 2: ...of Front Shell 5 3 5 Water Supply 5 3 6 Gas Connection 5 3 7 Flue 5 3 8 Commissioning 5 3 9 HDG Functioning 5 4 Servicing 5 4 1 Setting Appliance 5 4 2 Gas adjustments 5 4 3 Conversion to Other Gases 6 4 4 Maintenance 6 4 5 Fault Finding 7 5 Operating Guide Quick Reference 8 1 2 Type Overview Page 1 Description of Appliances Multipoint gas water heaters with hydropower ignition and built in draugh...

Страница 3: ... 7b Measuring point inlet gas 8 Hydrogenerator 9 Main gas valve 10 Diaphragm gas 11 Pilot gas valve 12 Servo valve 13 Slow ignition valve 14 Venturi 15 Gas inlet 16 Water valve 17 Correcting screw for min water flow 18 Water flow selector 19 Switch 20 Water governor 21 Water filter 22 Diaphragm water 23 Cold water connecting pipe 24 Hot water connecting pipe 25 Ignition unit 26 Gas control slide 2...

Страница 4: ...h m 3 9000 kcal m 3 37 8 MJ m m h 2 1 2 8 3 4 LP gas 13 8 kWh m3 11800 kcal m3 49 6 MJ kg kg h 1 6 2 1 2 6 Water data Max water flow l min 10 13 16 Temperature rise C 25 25 25 Min inlet water pressure bar 0 6 1 0 1 3 kPa 60 100 130 Min water flow l min 2 2 2 Temperature rise C 50 50 50 Min inlet water pressure bar 0 3 0 4 0 5 kPa 30 40 50 Burner pressure for maximum output Natural gas kPa mbar 0 8...

Страница 5: ...re water filter is fitted to inlet point of water valve Fit inline water strainer where appropriate 3 6 Gas connection Size gas supply pipe as per AS5601 Note inadequate pipe sizing may void the warranty 3 7 Flue Use approved single or twin skin flue in accordance with AS5601 3 8 Commissioning Purge gas piping of air Trapped air can result in the pilot burner failing to light within 30 40 seconds ...

Страница 6: ...turned on the burner should come on full within 5 seconds When the hot water tap is turned off the burner should go out within approximately 2 seconds Diagram 7 G661_009 G661_016 Diagram 6 4 3 Conversion to Other Gases Only use conversion kits supplied by the manufacturer This operation must be carried out by a qualified fitter 1 Cut off the gas supply by closing the gas isolating valve and remove...

Страница 7: ...ure Check water isolating valve Must be gate valve or similar Frost damage Drain appliance or fit Exogel expansion valve H707060151 No variation in water flow rate Damaged selector shaft Replace shaft Excessive water pressure Check water supply pressure Low burner flame water does not heat up Low inlet gas pressure Check supply regulator and pipe size L P G appliances Check if gas container freeze...

Страница 8: ...o light the appliance ensure that all hot water taps are turned off Starting and shutting off the appliance G661_004 G669_097 G085_259 G085_259 G861_189 Temperature regulation Turn anti clockwise Water flow decreases temperature increases Turn clockwise Water flow increases temperature diminishes Output control output increase output decrease Red light flashing check water pressure Green light on ...

Страница 9: ...d in consequence of the defect despite proper treatment Parts replaced will not be returned c i Repairs and maintenance shall not extend the warranty period of the appliance ii If the product is located outside of the service agent s area the consumer shall be responsible for the service agent s travelling costs and if necessary the expenses of freight packing and charges of a similar nature Witho...

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