Mitsubishi Electric EHST20-Serie Installationshandbuch Seite 9

3
technical information
<eHPt20X-VM2HA> (UK Packaged model system)
B
E
G
H
8
9
11
17
14
<Figure 3.3>
<Figure A.1 >
<eHPt20X-*M*HA/*M*A (except eHPt20X-VM2HA)> (Packaged model system)
B
E
G
H
8
9
11
17
14
<Figure 3.4>
A
F
2
1
19
3
4
5
6
10
12
7
13
15
16
A
F
2
1
19
3
4
5
10
12
7
13
15
16
number Component
 Automatic air vent
2 Pressure relief valve
3 Expansion vessel
4 Main controller
5 Control and electrical box
Temperature and pressure relief valve (not visible)
6
7 Immersion heater
8 DHW tank
9 3-way valve
0 Water circulation pump
 Manual air vent
2 Booster heater
Drain cock (Booster heater)
3
4 Strainer valve
5 Flow switch
Drain cock (Primary circuit)
6
Drain cock (DHW tank)
7
9 Manometer
A DHW outlet
B Cold water inlet
E Inlet from space heating
F Outlet to space heating
G Inlet from heat pump
H Outlet to heat pump
<Table 3.4>
number Component
 Automatic air vent
2 Pressure relief valve
3 Expansion vessel
4 Main controller
5 Control and electrical box
Immersion heater (Only for EHPT20X-*M*HA)
7
8 DHW tank
9 3-way valve
0 Water circulation pump
 Manual air vent
2 Booster heater
Drain cock (Booster heater)
3
4 Strainer valve
5 Flow switch
Drain cock (Primary circuit)
6
Drain cock (DHW tank)
7
9 Manometer
A DHW outlet
B Cold water inlet
E Inlet from space heating
F Outlet to space heating
G Inlet from heat pump
H Outlet to heat pump
<Table 3.5>
8