EDM SYSHP MINI DCI

4
Mini Heat Pump Monobloc
1 Mini Heat Pump Monobloc System
1.1 System Schemac
Mini Heat Pump Monobloc is an integrated air-to-water space heang, space cooling and domesc hot water heat pump
system. The outdoor heat pump system extracts heat from the outdoor air and transfers this heat through refrigerant piping to
the plate heat exchanger in the hydronic system. The heated water in the hydronic system circulates to low temperature heat
emiers (oor heang loops or low temperature radiators) to provide space heang, and to the domesc hot water tank to
provide domesc hot water. The 4-way valve in the outdoor unit can reverse the refrigerant cycle so that the hydronic system
can provide chilled water for cooling using fan coil units.
The heang capacity of heat pumps decreases with ambient temperature. Mini Heat Pump Monobloc can be equipped with
a backup electric heater to provide addional heang capacity for use during extremely cold weather when the heat pump
capacity is insucient. The backup electric heater also serves as a backup in case of heat pump malfuncon and for an-freeze
protecon of the outside water piping in winter.
Figure 1-1.1: System schemac
Fan Coil Units
Floor Heang
By-pass Valve
Distributor
Collector
Cold Water Inlet
DHWTank
‘3Way Valve