8
2 TECHNICAL FEATURES
ModuSat TP is a terminal for district heating plants for heating and domestic hot water
production by means of a plate heat exchanger. The primary hot fluid is provided by a
central boiler that supplies all units through a main pump. A plate heat exchanger is placed
between the primary and secondary heating circuits in order to separate them and allow
an independent regulation in each apartment, thus simplifying the design and installation.
A variable pump is used on each secondary circuit to ensure proper operation and water
flow: the system allows to set the temperature gradient of the apartment circuit for a better
comfort control together with electric energy saving. An automatic 2-way valve controls the
DHW output temperature by modulating the primary flow. Both plate heat exchangers are
provided with insulation jackets to minimize temperature losses. The ModuSat TP is
provided with an electronic controller that can be either an ON-OFF type or a climatic type
according to the model. A class C Ultrasonic heat meter with nominal flow rate of 1.5
m3/h provides consumption measurement for both heating and domestic hot water.
The unit can be fitted with an additional meter (external installation) for water
consumption monitoring and has been developed to permit the remote consumption
download and monitoring, alarms and diagnostic. Pipes are constructed from copper and
both the plate heat exchanger from stainless steel. The ModuSat TP does not require any
balancing device as the required flow rate is set into the ModuSat TP that modulates the
shut-off valves to control the set primary water flow rate. All hydraulic connections are ¾”
male and are placed:
On the unit upper part: 1) primary circuit supply and return, domestic water inlet and outlet
2) all connections
On the unit lower part: 1) secondary circuit supply-return, drain pipe
2) drain pipe
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