Table of Contents
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Installation, Operating and Servicing
Instructions
Electric Auto-Fill Water Boilers
NBB3 AND NBB3F
Please make a note of your product details for
future use:
Date Purchased:_________________________
Model Number:__________________________
Serial Number:__________________________
Dealer:_________________________________
_______________________________________
IS 619 ECN 3949
Page 1 of 10
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Summary of Contents for Buffalo NBB3
- Page 1 Installation, Operating and Servicing Instructions Electric Auto-Fill Water Boilers NBB3 AND NBB3F Please make a note of your product details for future use: Date Purchased:_________________________ Model Number:__________________________ Serial Number:__________________________ Dealer:_________________________________ _______________________________________ IS 619 ECN 3949 Page 1 of 10...
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Page 2: Table Of Contents
WARNING! This symbol is used whenever there is a risk of personal injury. CAUTION! This symbol is used whenever there is a risk of damaging your Buffalo product. NOTE: This symbol is used to provide additional information, hints and tips. -
Page 3: Warnings And Precautions
Disconnect this appliance before servicing, maintenance or cleaning. TECHNICAL DATA Model Height Width (mm) Depth (mm) Weight (kg) (mm) NBB3 NBB3F CHECK LIST OF ENCLOSURES Instructions manual Drip tray and insert Inlet hose with ¾” BSP connection INSTALLATION AND COMMISSIONING This appliance must be earthed. - Page 4 Water inlet Water inlet Model (kW) temperature Deg C pressure (bar) pressure (kPa) NBB3, NBB3F 5 to 30 1 to 8 100 to 800 Electrical supply The units are supplied with a 13 amp plug. Water supply and waste connection (All)
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Page 5: Operating Instructions
OPERATING INSTRUCTIONS Fig 1 Only qualified or trained personnel should use this appliance. First Use Switch on the water and electricity supplies. Leave the boiler to fill for 30 minutes. Drain off approximately 5 litres of water to remove any loose carbon particles from the filter. - Page 6 Regular Operation The boiler starts automatically when the water supply is turned on. During the heating cycle, only small quantities of water are added to ensure hot water is always available at the tap. The boiler is designed to be permanently switched on: it is only necessary to turn it off for de-scaling or maintenance.
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Page 7: Cleaning
READY FILTER CHANGE FILTER STANDBY CLEAR Fig 2 To replace the filter: Remove the drip tray Twist the base of the filter (G) 90 degrees anti-clockwise and slide the cartridge out of the appliance. It will contain a small amount of water. Re- insert the filter into the recess and lock in place by twisting clockwise. -
Page 8: Servicing, Maintenance And Component Replacement
De-scaling the boiler at the end of the working day gives the de-scaling agent several hours to work. Buffalo recommend our own de-scaling agent MS19, available from our Spares department. Wear protective clothing. Isolate the boiler from the electrical supply. -
Page 9: Fault Finding
FAULT FINDING The control panel displays information that can help with fault diagnosis. Before calling for service, draw off a litre of water, clear the fault code by pressing the Fn button and turn the boiler off and on again at the supply. If the fault persists, call service for advice. -
Page 10: Service Information And Guarantee
SERVICE INFORMATION For help with the installation, maintenance and use of your Buffalo equipment, please contact our service department: UK: 0845 146 2887 For non-UK customers, please contact your local Nisbets dealer All service work, other than routine cleaning should be carried out by one of our authorised service agents.