3
Technical Information
Technical Drawings
530
en
<Front>
<EHPX> (Packaged model system)
H
F
48
78
86
124
163
<View from below>
Letter
Pipe description
Space heating/Indirect DHW tank
A
(primary) RETURN connection
Space heating/Indirect DHW tank
B
(primary) FLOW connection
C
Refrigerant (Liquid)
D
Refrigerant (Gas)
E
Flow connection FROM heat pump
F
Return connection TO heat pump
Discharge pipe (by installer) from
G
pressure relief valve
Electrical cable inlets
H
I
Drain socket
7
AUTO AIR VENT
FRONT PANEL
EARTH LEAKAGE BREAKER
TERMINAL BED
MAIN CONTROLLER
MANOMETER
PRESSURE RELIEF VALVE
A
E
B
334
419
6.35 mm/Flare (E*SD-*)
9.52 mm/Flare (E*SC-*)
12.7 mm/Flare (E*SD-*)
15.88 mm/Flare (E*SC-*)
For inlets
and
cable, and external output wires.
For inlets
and
wires.
For a wireless receiver (option) cable, use inlet
<Table 3.4>
G1/2
(242)
<Side>
Connection size/type
28 mm/Compression (EH**-*)
G1 nut (ERS*-*)
28 mm/Compression (EH**-*)
G1 nut (ERS*-*)
Warning
• Refrigerant pipes connection shall be accessible for
maintenance purposes.
• In case of reconnecting the refrigerant pipes after detach-
ing, make the flared part of pipe re-fabricated.
28 mm/Compression (EHPX-*)
28 mm/Compression (EHPX-*)
G1/2" female (valve port within hydrobox casing)
, run high-voltage wires including power cable, indoor-outdoor
, run low-voltage wires including external input wires and thermistor
.
O.D. ø20
BACK PANEL SUPPORT
<Rear>
<Unit: mm>
HOOK
