DOMUSA TEKNIK Fusion Hybrid Oil, Инструкция по установке и эксплуатации, Страница: 10 / 52

Fusion Hybrid Oil
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- When the DHW supply pressure is over 0.7 MPa (7 bar), a pressure reducer must be fitted.
- It is advisable to install a thermostatic mixing valve at the DHW outlet to protect against burns
and to guarantee a constant, stable supply of hot water.
- All water circuit piping MUST be insulated to prevent condensation during operation in
cooling mode and reduction of cooling and heating capacity, as well as to prevent freezing of
outside pipes during winter. The minimum insulation thickness of the pipes should be 19 mm
(0.039 W/mK), preferably comprising a closed cell insulation or a vapor barrier. In outdoor areas
exposed to the sun, the insulation must be protected from the effects of degradation.
- Drain valves and suitable devices should be fitted for the correct removal of air from the circuit
during the filling stage.
- A water filter must be installed in the water circuit of the heat pump, in order to avoid
obstructions or narrowing caused by dirt in the installation. The filter MUST be installed before
filling the installation with water and in the return branch of the machine, in order to avoid the
entry of dirty water into the heat exchanger (condenser). It is advisable to insert this filter
between two cutting keys, in order to avoid emptying the installation during cleaning. The
type of filter installed must be adapted to the particular characteristics of each installation
(type and material of the water pipes, type of water used, water volume of the installation, etc.).
The water filter should be checked and cleaned, if necessary, at least once a year. In new
installations, however, it is advisable to check it within the first few months of its
commissioning.
- The Fusion Hybrid Oil hydraulic module is an accessory that should be installed in
combination with a DUAL CLIMA heat pump for its correct operation. Therefore, in addition to
the recommendations described above, it must comply with those indicated in the heat pump
installation manual.
4.4 Hydraulic installation of a support pump (C4)
The
Fusion Hybrid Oil
hydraulic module allows the installation of a circulation pump to increase
the water flow rate of the machine where necessary, in addition to that obtained by its internal
pump. This circulation pump will operate in parallel with the internal pump of the
C4
machine. To
install this support pump, please carefully follow the instructions belows:
-First, remove the support pump shim (3) and its insulator.
The insulator should be kept for later use.