Toshiba HWS-1403XWHM3-E - Page 20

4.HYDRO UNIT
Engineering Data book
19
Refrigeration cycle system diagram
P
Outdoor unit Hydro unit
TWO
THO
TWITC
TE
TO
TS TD
Heating / Hot-water supply Defrosting / Cooling
Pulse motor valve
4-way valve Plate-type water
heat exchanger
Backup heater
Expansion vessel
Manometer
Water vent valve
Air vent valve
Low Pressure sensor
Pressure Switch
Flow switch
Safety valve
Circulating pump
Compressor
Outdoor heat exchanger
Accumulator