3
Technical Information
<ERSC> (Split model system)
530
<Front>
F
A
48
133
223
308
365
B
<View from below>
Automatic air vent
Earth leakage
circuit breaker
Terminal block
Main controller
<Right side>
E
Letter
A
B
C
D
461
G
C
D
E
F
G
Pressure relief
valve
(233)
Pipe description
Connection size/type
Space heating and cooling/
Indirect DHW tank (primary)
G nut
return connection
Space heating and cooling/
Indirect DHW tank (primary) flow
G nut
connection
Refrigerant (Liquid)
9.52 mm/Flare
Refrigerant (Gas)
5.88 mm/Flare
Discharge pipe (by installer) from
G/2" female (valve port within hydrobox casing)
pressure relief valve
—
Electrical cable inlets
For inlets
input wires and thermistor wires. For inlets
high-voltage wires including power cable, indoor-outdoor
cable, and external output wires.
*For a wireless receiver (option) cable, use inlet
Drain socket
O.D. ø20
<Table 3.7>
<Rear>
and
, run low-voltage wires including external
and
, run
.
8