Component Parts - Mitsubishi Electric Ecodan EHST20 serie Para El Instalador

3
technical information

Component Parts

<eHSt20C-*M*HB/*M*B> (Split model system)
B
E
J
K
8
9
11
17
14
18
<Figure 3.1>
<eHSt20C-*M*eB>
(Split model system without expansion vessel )
B
E
J
K
8
9
11
17
14
18
<Figure 3.2>
*For installation of this model, make sure to install a primary-side expansion vessel in the field. (See Figure 4.3.1.)
7
A
F
2
1
19
3
4
5
10
12
7
13
15
16
A
F
2
1
19
4
5
10
12
13
15
16
number Component
1 Automatic air vent
2 Pressure relief valve
3 Expansion vessel
4 Main controller
5 Control and electrical box
7 Immersion heater (Only for EHST20C-*M*HB)
8 DHW tank
9 3-way valve
10 Water circulation pump
11 Manual air vent
12 Booster heater
13 Drain cock (Booster heater)
14 Strainer valve
15 Flow switch
16 Drain cock (Primary circuit)
17 Drain cock (DHW tank)
18 Plate heat exchanger
19 Manometer
A DHW outlet
B Cold water inlet
E Inlet from space heating
F Outlet to space heating
J Refrigerant (Gas)
K Refrigerant (Liquid)
<Table 3.2>
number Component
1 Automatic air vent
2 Pressure relief valve
4 Main controller
5 Control and electrical box
8 DHW tank
9 3-way valve
10 Water circulation pump
11 Manual air vent
12 Booster heater
13 Drain cock (Booster heater)
14 Strainer valve
15 Flow switch
16 Drain cock (Primary circuit)
17 Drain cock (DHW tank)
18 Plate heat exchanger
19 Manometer
A DHW outlet
B Cold water inlet
E Inlet from space heating
F Outlet to space heating
J Refrigerant (Gas)
K Refrigerant (Liquid)
<Table 3.3>