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Commissioning
It is highly recommended to have this equipment commissioned by a BOSS approved engineer.
Any damage or loss incurred through incorrect commissioning by an unapproved engineer will not
be covered by the warranty.
Pre-Commissioning Checklist
The following conditions must be met before starting the commissioning process. Failure to meet
these conditions may result in injury or damage to the equipment, system and property.
Equipment is sited in a frost free area, away from precipitation and water sprays/jets
All necessary pipe/electrical connections have been made to a satisfactory standard
The temperature and pressure at the point of connection are within the operating limits of the
pressurisation unit.
The heating/cooling system is fitted with a safety valve and expansion vessel
The following conditions must be met for the pressurisation unit and heating/cooling system to
function correctly. If these conditions have not been met, it is not advisable to proceed with the
commissioning process.
The system connection has been made into the system return header/pump suction
There are no non-return valves, pressure reducing valves or RPZ valves installed between the
pressurisation unit and the heating/cooling system
The expansion vessel is pre-charged to the correct pressure (equal to fill pressure)
Do not use this equipment to fill a system, use a WRAS approved filling loop for initial filling.
Mechanical equipment does not have the required electrical monitoring for ethical system filling
operations. Under no circumstances must mini units be used to fill a system of any size.
A suitable safety relief valve must be fitted to the system.
The heating/cooling system is filled and pressurised to the required cold fill pressure, with the water at
ambient temperature (approximately).
We reserve the right to change designs and technical specifications of our products
www.bssindustrial.co.uk
.
Rev 2.1 Oct-15
Page 13 / 28
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