Toshiba XXXXXXX(<SanSerif1>X/X)
– 8 –
Hydro Unit
Installation Manual
5
EXAMPLE OF HYDRO UNIT INSTALLATION
Example of Installation for Cooling and Heating
When both cooling and heating modes are required a 2-way valve must be installed to isolate the radiator or under-
floor heating circuit.
▼
Fig. 5-01
TTW
M
M
M
Fan Coil Units
(Cooling or Heating)
Isolating
Ball
Valves
Strainer (40 mesh / 0.4 mm)
Diverting 3-Way
Valve for
Sanitary Hot
Water Cylinder
Radiators (Heating Only)
[2-Way Valve Control]
2-Way
Valve
2-Way
Valve
Alternative to Radiators
Under-floor Heating
(Heating Only)
[2-Way Valve Control]
Indirect Sanitary
Hot Water Cylinder
Drain Cock for water
Charge and Drain
Use the 2-
way valve to
isolate the
heating
circuit when
in cooling
mode.
Use it when do not
operate cooling.
7-EN
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