Mitsubishi Electric EHSD-MEC Installation Manual page 6

3
Technical Information
Technical Drawings
<Front>
<EHS*> (Split model system)
H
48
86
124
163
310
353
395
<View from below>
<ERS*> (Split model system for heating and cooling)
H
A
48
86
B
124
133
163 223
<View from below>
<EHPX> (Packaged model system)
H
F
48
78
86
124
163
<View from below>
5
530
Automatic air vent
Front panel
Earth leakage circuit
breaker
Terminal block
Main remote controller
B A G
D
C
410
461
G
C D
308
365
461
I
G
B A
334
E
419
461
Back panel
support
Pressure
relief valve
G1/2 (242)
<Side>
Letter Pipe description
Space heating/Indirect
A DHW tank (primary) return
connection
Space heating/Indirect
B DHW tank (primary) flow
connection
C Refrigerant (Liquid)
D Refrigerant (Gas)
Flow connection from heat
E
pump
Return connection to heat
F
pump
Discharge pipe (by install-
G er) from pressure relief
valve
Electrical cable inlets
H
I Drain socket
<Unit: mm>
Hook
<Rear>
Connection size/type
28 mm/Compression (EHS*-*and EHPX-*)
G1 nut (ERS*-*)
28 mm/Compression (EHS*-*and EHPX-*)
G1 nut (ERS*-*)
6.35 mm/Flare (E*SD-*)
9.52 mm/Flare (E*SC-*)
12.7 mm/Flare (E*SD-*)
15.88 mm/Flare (E*SC-*)
28 mm/Compression (EHPX-*)
28 mm/Compression (EHPX-*)
G1/2" female (valve port within hydrobox
casing)
For inlets and , run high-voltage wires
including power cable, indoor-outdoor
cable, and external output wires.
For inlets and , run low-voltage
wires including external input wires and
thermistor wires.
For a wireless receiver (option) cable,
use inlet .
O.D. ø20
<Table 3.3>