Technical Drawings - Mitsubishi Electric Ecodan EHST20 serie Para El Instalador

3
technical information

technical drawings

680
<Left side>
letter Pipe description
A DHW outlet connection
B Cold water inlet connection
C/D Solar (ancillary heat source) connection
E Space heating return connection
F Space heating flow connection
Flow from heat pump connection
G
(No plate heat exchanger)
Return to heat pump connection
H
(No plate heat exchanger)
Refrigerant (GAS)
J
(With plate heat exchanger)
Refrigerant (LIQUID)
K
(With plate heat exchanger)
Electrical cable inlets
L
595
<Front>
C
0
63.3
67.8
123
D
E
G / J
449.7
491.1
509.7
561.7
H / K
L
<Top>
Connection size/type
22 mm/Compression
22 mm/Compression
22 mm/Compression
28 mm/Compression
28 mm/Compression
28 mm/Compression
28 mm/Compression
15.88 mm/Flare
9.52 mm/Flare
—
For inlets and , run low-voltage wires including external input wires and ther-
mistor wires. For inlets
indoor-outdoor cable, and external output wires.
*For a wireless receiver (option) cable, use inlet
<Table 3.7>
Main controller
Temperature and
pressure relief valve
and its access plate
(EXPT20X-VM2HB)only)
156
Terminal block
Front panel
A
B
F
, , and , run high-voltage wires including power cable,
.
<Unit: mm>
Air vent
Pressure relief valve
G1/2
50
<Right side>
10