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Riello TAU UNIT OIL 28 G FLEX, Instructions For The User

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OIL 28 G 

FLEX

TAU UNIT

INSTRUCTION FOR THE USER

CONDENSING BOILERS

Summary of Contents for TAU UNIT OIL 28 G FLEX

Page 1: ...OIL 28 G FLEX TAU UNIT INSTRUCTION FOR THE USER CONDENSING BOILERS ...

Page 2: ...es actions that require caution and adequate preparation a Identifies actions that you MUST NOT do CONTENTS General safety information 4 Precautions 4 Control panel 5 Mode selection 8 User levels 10 Start up 12 Temporary shutdown 15 Preparing for extended periods of disuse 15 Cleaning 16 Maintenance 16 Useful information 17 ...

Page 3: ...egularly by r s Technical Assistance Service Their personnel are specially trained to keep your boiler efficient and cheap to run Technical Assistance Centres also stock any original spare parts that might be required This instruction manual contains important instructions and precautions that must be observed to ensure the trouble free installation and efficient functioning of your boiler Please ...

Page 4: ...se this manual order a replacement immediately from your local r Technical Assistance Centre bThe boiler must be installed by a legally qualified heat ing engineer On comple tion of the installation the heating engineer must issue the owner with a declaration of conform ity confirming that the installation has been com pleted to the highest standards in compliance with the instructions provided by...

Page 5: ...ppears under the symbols s AUTOMATIC o Continuous COMFORT l Continuous REDUCED F COOLING b Frost protection The t symbol is displayed 6 Information button i 7 Burner lockout indicator 8 Manual reset for flue gas thermostat Unscrew the protective cover to access the reset button 9 Manual reset for safety thermostat Unscrew the protective cover to access the reset button 10 Remote burner reset butto...

Page 6: ...y heating program indicator F Large numeric display current value G Display symbols f Burner running B Change battery room unit only not supplied w Holiday mode active n Error Press the i button to display the error message Press ESC to return to the main screen C Wait process running h Maintenance manual or chimney sweep mode Reference to heating circuit ECO Heating temporarily OFF ECO mode activ...

Page 7: ...mote storage cylinder is installed and domestic hot water is drawn off while the central heating circuit is also in use this function directs boiler power mainly to the DHW circuit Boiler switching differential This establishes a mini mum run time for the burner to stop it igniting and shutting down repeatedly The burner shuts down only if boiler temperature exceeds a predetermined thresh old para...

Page 8: ...ive Continuous operation o or l In continuous mode room temperature is controlled on the basis of the comfort reduced setting o Central heating set to comfort setpoint l Central heating set to economy setpoint Characteristics Central heating is continuously on with no time program All protection functions are active Summer winter switching is automatic ECO functions and 24h limit functions are ina...

Page 9: ...rature Boiler temperature Outside temperature Minimum outside temperature Maximum outside temperature DHW 1 temperature DHW 2 temperature Buffer tank 1 temperature Buffer tank 2 temperature Buffer tank temperature setpoint Flow 1 temperature Flow 1 temperature setpoint Flow 2 temperature Flow 2 temperature setpoint Flow 3 temperature Flow 3 temperature setpoint Collector 1 temperature Wood fuelled...

Page 10: ...need to enter the Password 12434 Press the OK button to confirm each digit Press ESC to cancel an entry b Pressing the ESC button takes you just one step back the value entered is not saved If no change is made for 8 minutes the system returns to the main screen Programming lines are displayed or hidden accord ing to the system configuration and the user level User Commissioning etc b Parameter va...

Page 11: ...stage you can continue programming or press the central heating mode button 5 to return to the main screen EXAMPLE OF THE MENU STRUCTURE Hours minutes Time of day and date Ore minuti Ora e data Ore minuti Ora e data Ore minuti Ora e data Ore minuti Ora e data Ore minuti Ora e data 5 Time of day and date Heating engineer level parameters Hours minutes Hours 1 24 h Operator unit Month day Minutes 0 ...

Page 12: ... circuit is over 1 bar but below the maxi mum limit specified for the boiler If water pressure is low contact r s Technical Assistance Service Switch the electricity supply ON at the system s main switch and at the control panel Check that the display comes on When the boiler is first powered on it performs a num ber of self tests These may take a few minutes When the tests are completed the displ...

Page 13: ... select Automatic b If the central heating system incorporates a room unit check that this is active and proceed as follows to use the knob to set the room temperature setpoint 20 C Press the Presence button o l to display the o symbol Press ESC to return to the main screen If the system is made up of a number of different heat ing circuits a room temperature setpoint must be set for each of them ...

Page 14: ...CH flow 1 sensor If any boiler ignition or operating errors are detected the n symbol appears on the display Press the Info i button to display the type of error See also Error Maintenance codes Only for 28 120 B models with a remote storage cylinder optional Press the v button to turn on DHW production A line appears under the DHW symbol Press the OK button Select Domestic hot water and press OK ...

Page 15: ... only active if an outside temperature sensor is connected If outside temperature drops below 4 C the pumps are switched on If outside temperature is between 5 and 1 5 C the pumps are switched on for 10 minutes at inter vals of 6 hours If outside temperature is above 1 5 C the pumps are switched off If the boiler is not going to be used for an extended peri od of time proceed as follows to prepare...

Page 16: ...engi neer aDo not use abrasive products petrol or triethylene aNever clean or service the boiler without first dis connecting it from the mains electricity supply by turning the main power switch OFF Please remember that THE PERSON RESPONSIBLE FOR SYSTEM MANAGEMENT MUST ENSURE THAT PROFESSIONALLY QUALIFIED PERSONNEL UNDERTAKE PERIODIC MAINTENANCE AND COMBUSTION EFFICIENCY MEASUREMENTS r s Technica...

Page 17: ...eller Mr Address Tel Technical Assistance Service Mr Address Tel Fuel oil supplier Mr Address Tel Installer Mr Address Tel Date Work done Date Quantity supplied Date Quantity supplied Date Quantity supplied Date Quantity supplied ...

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Page 20: ...ello 7 37045 Legnago VR www riello com The manufacturer strives to continuously improve all products Appearance dimensions technical specifications standard equipment and accessories are therefore liable to modification without notice ...

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