System Description; Operating Principle - Ariston NIMBUS HYBRID MODULE UNIVERSAL NET Manual

SYSTEM DESCRIPTION

System composition
THE hybrid system is made up of:
- hybrid module
- a external unit (air/water heat pump)
- a remote control device (Sensys)
- a Sensys Net for connectivity
- an external temperature sensor
- an auxiliary heat generator (not supplied)
For further information on the accessories available,
please see the Product Catalogue.

Operating principle

NIMBUS HYBRID is a domestic hot water heating and
production system, made up of two generators:
- an air/water heat pump (HP) with external single block
inverter technology.
- an auxiliary heat generator, that can be generic or a
condensing boiler equiiped with BUS connection.
The two generators work in synergy thanks to an additional
module (HYBRID MODULE UNIVERSAL) that allows for
hydraulic integration of both generators with the heating
system and with the domestic hot water production system.
The HYBRID MODULE also contains the system
management electronics (ENERGY MANAGER), which
optimises its operation.
The HYBRID MODULE thus guarantees:
- excellent comfort,
- increased performance,
- easy installation,
- optimal operating costs
- reliability
- low investment costs.
The two generators can work together or separately
according to the operating mode selected:
- minimum primary energy consumption (default),
- minimum operating costs.
For this purpose, the ENERGY MANAGER electronic board
continuously monitors the temperatures in the heating
circuit: the outdoor temperature, the ambient temperature,
and the delivery temperature to the system.
From these values it deduces the boiler effi ciency and the
heat pump COP.
In relation to the parameters initially set, the ENERGY
MANAGER decides which generator is the most suitable
to heat the room.
The hybrid system also off ers the ability to defi ne the limits
of operation of the boiler and the heat pump.
Heat pump minimum external operating temperature:
is the temperature below which the ENERGY MANAGER
prevents heat pump operation.
Boiler maximum external operating temperature:
is the temperature above which the ENERGY MANAGER
prevents boiler operation.
Within this temperature range, the ENERGY MANAGER
decides which generator is most convenient.
Cooling function
The hybrid system can also cool environments during
summer, as it mounts a reversible heat pump.
The function can be implemented by means of appropriate
plumbing kits, which can be used to create the intended
system schemes.
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