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Product Information

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Uni Condens 8000 F – 6720867069 (2016/10)

Fig. 1  

Boiler overview

[1]

Boiler shell

[2]

Burner door

[3]

Locking lug to secure the load during transportation 
(not a lifting eye)

[4]

Flue gas collector

[5]

Condensate, siphon

[6]

Drain

[7]

Base frame rail

[8]

Control unit (accessory)

[9]

Cable conduit

[10] Flue gas connection
[11] Inspection aperture of condensation heating surface
[12] Port Return 1 (RK1) low temperature return (main return)
[13] Return connection 2 (RK2), high temperature return
[14] Inspection opening on the water side (both sides)
[15] Flow safety line
[16] Heating flow
[17] Boiler safety assembly (accessories)
[18] Lifting points

2.6

Permissible fuels

The boiler must only be operated with the specified fuels. Only burners 
that are suitable for the specified fuels may be used.

Gas burner

The combustion of biogas is not permitted.

Permissible fuels:
• Natural gas from the public gas supply in accordance with national 

regulations with a total sulphur content < 50 mg/m

3

• LPG in accordance with national regulations with a content of 

elementary sulphur < 1.5 ppm and volatile sulphur < 50 ppm

0010014756-001

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Summary of Contents for Uni Condens 8000 F UC8000F

Page 1: ...6720867069 2016 10 GB IE Operating instructions for users Floor standing condensing boiler Uni Condens 8000 F UC8000F 800 1200 kW ...

Page 2: ...heating controller etc prior to operation Observe the safety instructions and warnings 1 Explanation of symbols and safety instructions 2 1 1 Explanation of symbols 2 1 2 General safety instructions 2 2 Product Information 4 2 1 Declaration of Conformity 4 2 2 Determined use 4 2 3 Symbol at the boiler 4 2 4 Data plate 4 2 5 Product Description 4 2 6 Permissible fuels 5 2 7 Operation conditions 6 2...

Page 3: ...lified person so that risks are avoided H Risk through oil leaks If using oil as fuel country specific regulations hold the operator responsible for asking a contractor to correct any oil leaks the moment they are discovered H If you smell gas Close gas isolation valve Open windows and doors Do not touch any electrical switch telephone and do not use outlets Extinguish any naked flames Do not smok...

Page 4: ...ity for this product For this see the contact address on the back cover of these instructions 2 2 Determined use The Uni Condens 8000 F 800 1200 floor standing condensing boiler has been designed for wet heating systems in e g apartment buildings or industrial applications The boiler is only approved for open flue mode When installing and operating the heating system Comply with standards regulati...

Page 5: ...ure return 14 Inspection opening on the water side both sides 15 Flow safety line 16 Heating flow 17 Boiler safety assembly accessories 18 Lifting points 2 6 Permissible fuels The boiler must only be operated with the specified fuels Only burners that are suitable for the specified fuels may be used Gas burner The combustion of biogas is not permitted Permissible fuels Natural gas from the public ...

Page 6: ...ere should be a maximum of 6 burner starts per hour averaged over burnerruntimeononeday Ifthenumberofstartsishigher theuser should be notified The system must be checked to find out whether thenumberofburnerstartscanbereduced Thecustomerserviceof the manufacturer can provide assistance with optimisation of the system 2 9 Burner requirements Only use specified pressure jet gas burners with floor st...

Page 7: ...d guidelines Observe the information on the data plate of the boiler 3 1 Combustion air quality To avoid corrosion keep the supply of combustion air free of corrosive substances e g halogenated hydrocarbons that contain chlorine or fluorine compounds Never use or store chlorinated cleaning agents or halogenated hydrocarbons as contained in spray cans solvents or cleaning agents paints and adhesive...

Page 8: ... e g due to a fault shutdown and there is a risk of frost drain the heating water at the DFV Also leave the air vent at the highest point in the heating system open 5 1 Shutting down the heating system The heating system is shut down via the control unit The burner is also automatically shut down Switch off the burner at the control unit 5 2 Shutting down the heating system in an emergency Only sw...

Page 9: ...nted correctly Check the heating system for leaks and the expansion vessel for functionality Observe the requirements regarding water quality operator s log If water loss occurs frequently locate the cause and rectify the problem without delay NOTICE System damage due to temperature stresses Onlyfilltheheatingsystemwhencold theflowtemperaturemustnot exceed 40 C During operation only fill the heati...

Page 10: ...Further information on the fault displays can be found in the service instructions of the relevant controlunit Inaddition burnerfaultsaresignalledbyanindicatoronthe burner Press burner reset button see operating instructions of burner and control If the burner still fails to start after three attempts contact a contractor 8 2 Other faults For other possible faults see the installation and operatin...

Page 11: ......

Page 12: ...Bosch Thermotechnik GmbH Junkersstrasse 20 24 D 73249 Wernau www bosch thermotechnology com ...

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