Chesil mk2 pressurisation unit
New product
Wall hung and floor standing, single and twin pump pressurisation units for use in sealed heating systems.
Available in 5 models with single and twin pump options.
Product information
- Choice of floor standing or wall hung models giving greater flexibility in plant room design.
- Removes the need for cold water header tank and eliminates reliance on mains pressure to provide the system head.
- Electronic controls provide enhanced user interface through back-lit LCD display.
- Cold fill pressures of up to 3 bar.
- Automatic system safety shut down and interlock in the event of a system fault.
- Wide choice of compatible Burstock expansion vessels with sizes from 25 litres to 2000 litres.
- Maintains minimum pressure requirements of low / medium temperature sealed heating sealed systems (you can read about the differences of Sealed 'v' Open Vented heating systems here).
- All models compatible with Building Management Systems (BMS).
- Buy in confidence from a UK manufacturer with decades of commercial heating and hot water expertise.
- BIM objects available to assist in design and management.
Technical data
| Units | SW | |
|---|---|---|
| Configuration | Wall Mounted | |
| Pump | Single | |
| Controls | Electronic | |
| General data | ||
| Weight (empty) | kg | 23.5 |
| Weight (full) | kg | 30.5 |
| Maximum cold fill pressure | bar | 3 |
| Minimum cold fill pressure | bar | 1 |
| Maximum water flow rate | l/min | 35 |
| Maximum water flow rate @maximum cold fill pressure | l/min | 12 |
| Noise level | dBA | <70 |
| Electrical | ||
| Electrical supply | 230 V AC 50Hz 1Ph | |
| Pressure transducer contact rating | 4-20ma | |
| Volt free contact rating | 6a/240v | |
| Start current (per pump motor) | Amps | 7.3 |
| Run current (per pump motor) | Amps | 1.9 |
| Factory Settings | ||
| Cold fill pressure | bar | 2.5 |
| Low pressure setting | bar | 0.7 |
| High pressure setting | bar | 4 |
| Expansion vessel charge pressure | bar | 1.7 |
| System parameters for factory settings | ||
| Maximum water flow temperature | °C | 80 |
| Maximum static height | m | 40.5 |
| Minimum system operating pressure | bar | 0.7 |
| Maximum system operating pressure | bar | 4 |
| Nominal pressure differential | bar | 0.3 |
| Connections | ||
| Mains cold water inlet | inch | 1/2 |
| Overflow (polythene pipe) diameter | mm | 20 |
| System connection compression fitting, diameter | mm | 15 |
Downloads
|
Chesil mk2 data sheet271 kb |
Download |
Ideal uses/applications
- Matched for use with Hamworthy Boilers.
- For sealed systems.
Optional extras
- There are no optional extras for this product.