54
Refrigerant cycle and hydraulic circuit
No. Part name No. Part name No. Part name No. Part name
1 Compressor 9 Low Pressure Switch (PSL) 17
Outdoor Unit Ambient
Thermistor (Ta)
25
Outlet Water Thermistor
(Tow)
2 Heat Exchanger 10 Accumulator 18
Compressor Discharge Gas
Thermistor (Td)
26 Water Pressure Sensor (Pw)
3
4-way Reversing Valve and
Coil
11 Plate Heat Exchanger 19
Heat Exchanger Liquid pipe
Thermistor (Te)
27 Shut-o Valve with Filter
4 Strainer 12 Water Pump 20
Heat Exchanger Liquid pipe
Thermistor 2 (Te2)
28 Shut-o Valve
5
Electronic Expansion Valve
and Coil
13 Expansion Vessel 21
Gas Refrigerant Pipe
Thermistor (Tg)
6 Refrigerant Check Joint 14
Pressure Adjustment Valve of
Expansion Vessel
22
Liquid Refrigerant Pipe
Thermistor (TL)
7 Refrigerant Check Joint 15 Air Purge Valve 23 Inlet Water Thermistor (Tiw)
8 High Pressure Switch (PSH) 16 Safety Valve 24
Outlet HP Water Thermistor
(TowHP)
7.3 Refrigerant cycle and hydraulic circuit of Hi-Therma Monobloc