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7-2. Refrigeration cycle system diagram
HWS-P805XWHM3-E, HWS-P805XWHT6-E, HWS-P805XWHT9-E,
HWS-P1105XWHM3-E, HWS-P1105XWHT6-E, HWS-P1105XWHT9-E /
HWS-P805HR-E, HWS-P1105HR-E
Outdoor unit
TS
TD
Accumulator
PMV
TO
Flow switch
Plate-type
water heat
exchanger
Air vent valve
Manometer
P
Expansion vessel
High pressure
sensor (PD)
High-pressure switch
TE
Low pressure
sensor
TW O
Water vent valve
Backup heater
TW I
Circulation pump
THO
TL
4-way valve
TC
Hydro unit
Outdoor heat exchanger
Compressor
2-way valve
Heating / Hot water supply
Defrosting / Cooling
Safety
valve
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