Type
One off 1000 litres vertical copper Evolution semistorage calorifier.
Secondary Duty:
4000 litres heated from 10 to 65°C in one hour.
Primary Heating:
LPHW, 82°C flow, 71°C return.
Inspection opening:
300mm diameter.
Design code:
BS853/96/A.
Working pressure:
2 bar cold fill pressure suitable for an unvented system.
Insulation:
50mm mineral wool encased in stucco aluminium sheets.
Ancillary equipment:
Temperature and pressure gauges
Drain cock
Combined pressure/temperature relief valve
Anti-vacuum valve
Primary control and high limit valves
Note: For unvented systems suitable expansion vessels with isolating and relief valves can be supplied, either as loose items or a fully packaged skid-mounted solution.
Evolution Semi-Storage Calorifiers are fitted with an integral bronze circulating pump. The pump is designed to run continuously and circulate water through the heat exchanger section at the average hourly rate of the unit. To enable accurate commissioning of the circuit avariable orifice double regulating valve is fitted on the discharge side of the pump. An isolating valve is also fitted on the inlet side of the pump, for ease of servicing.