PRODUCT DESCRIPTION
GRUNDFOS Hydro Multi-S booster sets are designed for the transfer and pressure boosting of clean water in blocks of flats, hotels, schools, etc.
Hydro Multi-S consists of 2 identical CM pumps connected in parallel and mounted on a common base frame, with a control cabinet with integrated controller and provided with all the necessary fittings. The booster set is fitted with an on/off switch for the supply voltage.
The GRUNDFOS Hydro Multi-S booster set is factory-tested and ready for operation.
To ensure stable operation, the booster set must be fitted with a suitable diaphragm tank.
Features Hydro Multi-S offers the following features:
Automatic cascade control of pumps by means of 2 pressure switches
Automatic pump changeover at any start/stop cycle
If a pump is in fault status, it is automatically taken out of operation
Automatic resetting of dry-running fault
Manual resetting of overload trip
Emergency operation
Pump and system protection
short-circuit protection by means of fuses
motor protection by means of a thermal overload relay
dry-running protection by means of an additional pressure switch or level switch (optional)
start-up delay between two pumps: prevents simultaneous start-up of more than one pump.
LIQUID:
Pumped liquid: Water
Liquid temperature range: 5 .. 40 °C
Selected liquid temperature: 20 °C
Density: 998.2 kg/m³
TECHNICAL:
Approvals on nameplate: CE
INSTALLATION:
Maximum operating pressure: 10 bar
Pipe connection: 2″
Earth connection: PE
ELECTRICAL DATA:
Mains frequency: 50 Hz
Rated voltage: 3 x 220-240/380-415 V
Start. method: direct-on-line
Enclosure class (IEC 34-5): IP54
There are no reviews yet.