Installation manual

E-11
ENGLISH
Functional diagram
No. Note
1
Service valve(R)
2
Strainer
3
Flow switch
4
Heat exchanger
5
EEV kit
6
Backup heater
7
Pressure relief valve
8
Air-vent valve
9
Water pump
10
Expansion tank
11
Manometer
12
Service valve(L)
13
Water temp. sensor 1
14
Water temp. sensor 2
15
Water temp. sensor 3
16
Refrigerant temp. sensor 1
17
Refrigerant temp. sensor 2
Tw3
Tw2
Tw1
Tr2
Tr1
3
9
12
11
10
6
8
7
5
4
2
1
Water Out Water In
Ref' In
Ref' Out
15
14
16
17
13