Toshiba HWS-802XWHM3-E - Main Components of Hydro Unit

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7. HYDRO UNIT INSTALLATION MANUAL
Engineering Data Book
7
6 MAIN COMPONENTS OF HYDRO UNIT
 Exploded view and description for Hydro Unit
▼ Fig. 6-01
1 : Expansion vessel
2 : Hi pressure switch (4.15 MPa)
3 : Temperature sensor (for Heat pump outlet -TWO)
4 : Pressure sensor
5 : Heat exchanger
6 : Flow switch (13.0 L/min 17.5 L/min)
7 : Temperature sensor (for refrigerant -TC)
8 : Temperature sensor (for water inlet -TWI)
9 : Drain nipple
10 : Water inlet connection
11 : Refrigerant liquid connection
12 : Air relief valve
13 : Pressure relief valve (0.3 MPa (3 bar))
14 : Thermal protector (auto)
15 : Temperature sensor (for water outlet THO)
16 : Thermal protector (Single operation)
17 : Water pump
18 : Backup heater (3 kW, 3 kW x 2, 3 kW x 3)
19 : Manometer
20 : Water outlet connection
21 : Refrigerant gas connection
6
10
11
9
7
8
4
3
2
1
20
21
15
17
19
18
16
13
14
12
5
8-EN