Part Names And Functions - Mitsubishi Electric EHST20C-VM6HB Service Manual

4

PART NAMES AND FUNCTIONS

<EHST20C-*M*HB/*M*B> (Split model system)
B
E
J
K
8
9
11
17
14
18
<EHST20C-*M*EB>
(Split model system without expansion vessel )
B
E
J
K
8
9
11
17
14
18
OCH531
A
F
2
1
Figure 4-1
A
F
2
1
Figure 4-2
Number
19
3
4
5
10
11
1
1
14
10
15
16
12
17
18
7
19
A
13
B
15
E
F
16
K
Number
19
10
4
11
5
1
1
14
15
16
10
17
18
12
19
A
B
E
13
F
15
16
K
7
Component
1 Automatic air vent
 Pressure relief valve
Expansion vessel

4 Main controller
Control and electrical box
5
7 Immersion heater (Only for EHST0C-*M*HB)
8 DHW tank
3-way valve
9
Water circulation pump
Manual air vent
Booster heater
Drain cock (Booster heater)
Strainer valve
Flow switch
Drain cock (Primary circuit)
Drain cock (DHW tank)
Plate heat exchanger
Manometer
DHW outlet
Cold water inlet
Inlet from space heating
Outlet to space heating
Refrigerant (Gas)
J
Refrigerant (Liquid)
Component
1 Automatic air vent
 Pressure relief valve
4 Main controller
Control and electrical box
5
8 DHW tank
3-way valve
9
Water circulation pump
Manual air vent
Booster heater
Drain cock (Booster heater)
Strainer valve
Flow switch
Drain cock (Primary circuit)
Drain cock (DHW tank)
Plate heat exchanger
Manometer
DHW outlet
Cold water inlet
Inlet from space heating
Outlet to space heating
Refrigerant (Gas)
J
Refrigerant (Liquid)