GE556-4

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User satellite, for managing heating systems at high or low temperatures and for production of sanitary hot water.
Complete with:
- Exchanger for instantaneous production of sanitary hot water.
- Flow switch for sanitary hot water priority control.
- Motorised 3-way diverting valve.
- Self-modulating circulator complying with Directive ErP 2009/125/EC (only for GE556Y322-323).
- Static balancing valve R206B (only for GE556Y320-321).
- Thermostatic valve for adjusting the sanitary hot water and heating temperature.
- Intercepted by-pass on the sanitary primary side to keep the exchanger warm.
- Automatic air vent valve with hygroscopic gasket, filter and manometer on the primary side.
- Safety pressure switch for low pressure on the primary side (only for GE556Y322-323).
- Differential pressure control valve on the primary side.
- Safety valve with electrical actuator R473 on the heating side.
- Box with terminal board for electric connections and control.
- Pre-arrangement for installation of thermal energy meter and sanitary water meter, by means of brass spacers.
- Max. working temperature 90 °C.
- Max. working pressure: 6 bar (for low temperature versions); 16 bar (for high temperature versions).
Dimensions (L x H x D): 450 x 630 x 180mm.

To complete the GE556-4 satellite, the following may be ordered separately:
- Thermal energy meter, GE552 series.
- Sanitary water meter, GE552-2 series.
- Metallic template for installation at the worksite, GE551-2 series.
- Components for data centralisation via M-Bus, GE552-4 series, or via Wireless M-Bus, GE552-W series.