Example Of Hydro Unit Installation - Toshiba HWS-803XWHM3-E Data Book

7. HYDRO UNIT INSTALLATION MANUAL
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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
Drain Cock for water
Charge and Drain
Indirect Sanitary
Hot Water Cylinder
Isolating
Ball
Valves
Strainer (40 mesh / 0.4 mm)
TTW
Alternative to Radiators
Under-floor Heating
(Heating Only)
[2-Way Valve Control]
Fan Coil Units
(Cooling or Heating)
Diverting 3-Way
Valve for
Sanitary Hot
Water Cylinder
M
2-Way
M
Valve
Use the 2-
way valve to
isolate the
heating
circuit when
in cooling
mode.
2-Way
M
Valve
– 92 –
Engineering Data Book
Radiators (Heating Only)
[2-Way Valve Control]
Use it when do not
operate cooling.
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