Ariston microSYSTEM 21 RFFI - 3 Storage Cylinder; Port and 3 Port; Installations

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3. D.H.W. STORAGE
CYLINDER
The microSYSTEM can be connected to a storage cylinder (both open-vented and
unvented) for the production of domestic hot water (D.H.W.). Cylinders of different
capacities can be used depending on site requirements (see TABLE 3.1 for a
selection of ARISTON unvented cylinders).
FIG. 3.2
3 port valve installation
FIG. 3.1
2 port valve installation
3.1 2 PORT AND 3 PORT VALVE
INSTALLATIONS
Wiring to 2 port valve installation
using an external 2 channel
programmer
Type Danfoss FP715
Type Honeywell ST6400C
FIG. 3.3