HAMWORTHY HEATING LTD
20
MILBORNE
500001130/J
5.3 Electrical Connections:
The following electrical connections are provided on each module.
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Supply: Live, Neutral and Earth. See Section 4.5 for details.
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Boiler General Fault Alarm Signal Output
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0-10v Analogue Control Signal Input
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Remote on/off Control Input
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Upto 3 Circuit Pump Outputs - 1 Primary & 2 Secondary
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Safety Interlock Circuit Input
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Programmable room thermostat Input
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Outside air temperature sensor Input
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LPB Bus connections for cascade management
6.0 PRE-COMMISSIONING
The following pre-commissioning check must be carried out before the boiler is commissioned.
6.1 Gas Supply.
Ensure that gas installation pipework and meter has been soundness tested and purged to IGE/UP/1 or IGE/
UP/1A as appropriate. Test and purge certificates should be available for viewing.
6.2 Ventilation
Ensure that ventilation and air supply to plantroom is correct.
6.3 Pipework, Valves and Pump
Ensure that;
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Pipework and valve arrangement is installed to Hamworthy Heating recommendations.
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Circulating system is full of water, vented and pressurised appropriately.
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Circulation pump is fitted, working and interlocked where required.
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Pipework connections to boiler are fitted correctly.
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All necessary isolation valves are open.
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Condense connections on boiler and flue are connected and piped to drain.
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Heat load is available.
6.4 Flue
Ensure that;
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Flue system is correctly designed and installed to suit boilers.
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Flue passages to chimney are clear.
6.5 Electrical
Ensure that;
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Electrical connections are correct and isolatable.
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External controls are operational.
WARNING: WHEN THE FRONT COVER IS REMOVED AND THE BOILER IS
OPERATIONAL, CARE MUST BE TAKEN WITH ELECTRICAL COMPONENTS AND
ACCESS TO PRIMARY INSULATION.