Grundfos Hydro booster HYDRO MULTI-S 2 CR 10-10

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 CR10-10 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.