Functional diagram
No.
Service valve(R)
01
Strainer
02
Flow switch
03
Heat exchanger
04
Backup heater
05
Pressure relief valve
06
Air-vent valve
07
Variable Speed water pump
08
Expansion tank
09
Manometer
10
Service valve(L)
11
Water temp. sensor 1
12
Water temp. sensor 2
13
Water temp. sensor 3
14
12
English
07
14
Tw3
03
08
11
06
05
Tw2
04
09
Tw1
10
01
Note
13
12
02