CHARACTERISTICS
50 HzOPERATING LIMITS
Temperature range: +5° à +90°CMax. ambient temperature: +50°C
APPLICATIONS
• Maintains pressure in closed circuits exposed to temperature variations.• Absorbs and compensates the expansion and retraction of the network.
• Allows automatic or manual filling of an installation via a tank, isolating the heating or air-conditioning circuit from the town water supply.
For hot water heating circuits (VDI 2035) and chilled-water circuits (up to 40% glycol).
- residential and office buildings;
- hotels, hospitals, clinics;
- shopping centres, shops;
- schools, universities, barracks. • Maintains pressure in closed circuits exposed to temperature variations.
• Absorbs and compensates the expansion and retraction of the network.
• Allows automatic or manual filling of an installation via a tank, isolating the heating
or air-conditioning circuit from the town water supply.
For hot water heating circuits (VDI 2035) and chilled-water circuits (up to 40% glycol).
- residential and office buildings;
- hotels, hospitals, clinics;
- shopping centres, shops;
- schools, universities, barracks.
DESIGN OF THE EXPANSON-H
Pressure maintenance system using pump(s) and an adjustable discharge device.➤ EXPANSON-H, two-pump version
• Set with:
– two horizontal multi-stage pumps connected to tank by galvanized cast-iron pipe. A standby pump is available.
➤ EXPANSON-H, one-pump version
• Set with:
– one horizontal multi-stage pump connected directly to tank.
• Both versions have:
– an electronic regulation box (CE), with automatic change of pump starting order in two pump version;
– an adjustable discharge device with filter;
– a set of isolating valves and one check valve per pump;
– one set isolating valve (one-pump version);
– one control pressure switch and two safety pressure switches.
The assembly is mounted on a base and connected to a galvanized steel tank (200 to
1,500 litres).