Ariston Contract STI 125 Indirect - Port and 3 Port Valve Installations; 3 Storage Cylinder

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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 T
ABLE
3.1 for a
selection of ARISTON unvented cylinders).
F
IG. 3.2
3 port valve installation
F
IG. 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