Toshiba ESTIA A09-01P - Manual (Page 5)

Quick Reference Guide - Page 5
Installation Examples (cont.)
2-Zone Space Heating with Domestic Hot Water
The following shows an example of the 2-zone temperature control.
A buffer tank and a water pump are required for the 2-zone temperature control. This example is
Heating only, if the Fan Coils are to be used for Cooling then a 2-Way valve must be fitted.