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Summary of Contents for Broughton WB22
- Page 1 WB22 22Kw PORTABLE ELECTRIC BOILER. PRODUCT MANUAL P 1 OF 11...
- Page 2 Failure to add an inhibitor could damage the low pressure water switch. Specifications: The WB22 is a 22Kw 3-phase portable electric boiler. It is connected to the power supply with a 3P+N+E 32A plug. The heat exchanger is of a welded mild steel construction and has been hydraulically tested to 5 bar.
- Page 3 Digital thermostat / controller: The boiler temperature is controlled by a digital controller which is set by the user to give the desired boiler temperature. This is the set point. During normal operation the contoller display shows the actual boiler temperarture not the set temperature.
- Page 4 Manual reset safety limit thermostat Circulation Heating pump return Heating out P 4 OF 11...
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Page 5: Installing The Boiler
Installing the boiler: Before connecting to the power supply: • The system should be cleansed prior to connection of the boiler and the system water should be treated to prevent corrosion. • Connect water pipes to the radiator system or air handler. •... - Page 6 How to see the set point: • The set point is the maximum temperature the boiler will operate up to. • To see the set point push and immediately release the SET key: the display will show the set point value. •...
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Page 7: Frost Prevention
Safety devices: The boiler is fitted with three safety devices. These must not be by-passed or disabled at any time: • Safety pressure valve: Should the system pressure rise above 3bar the safety pressure valve on the bottom of the boiler will open and drain the water. In this instance please contact your installer. - Page 8 Heating element removal: When refitting the element ensure rubber sealing washer is present. Digital contoller alarm codes: • LA..Low temperature warning. • HA..High temperature warning. • P1..Temperature probe fail. P 8 OF 11...
- Page 9 WB22-16 EXPLODED VIEW ELECTRICS PANEL P 9 OF 11...
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Page 10: Fault Finding
WB22-16 SPARE PARTS FAULT FINDING P 10 OF 11... - Page 12 Pump performance curve: UPS3 Circulation pump error codes. Rotor shaft seized. Depress the grub screw at the centre of the pump and rotate anti-clockwise. Repeat procedure and rotate clockwise. When the shaft will rotate clockwise the fault has been rectified. Low supply voltage.
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