11. Piping Diagram
Hydro Unit HT
Suction
Temp. Sensor
(T_SUC)
Cond Out
Thermistor
Temp. Sensor
- PHE In 1
(T_PI)
(T_CO)
Plate Heat Exchanger
(R134a/R410A)
(PHE2)
Main EEV (R134a)
(E_M)
4Way Valve
Plate Heat
(V_4W)
Exchanger
Entering Water
(R134a/water)
Temp. Sensor
(PHE1)
(T_EW)
Leaving Water
Low Pressure
Temp. Sensor
Sensor (LPS)
High Pressure
Sensor (HPS)
Comp. Top
Discharge
Temp. Sensor
Temp. Sensor
(T_CT)
(T_D)
Accumulator
Inveter
(AC)
Compressor
(INV)
Water Outlet
THERMOSTAT
(
T_WO
)
(T. LW)
Flow Switch
(E)
EVI In Temp.
Se nsor (R410A) EVI EEV (R410A)
(T_EI)
(E_EV)