(233)
110
357
348
233
48
133
223
308
365
461
84
124
530
324.5
100
.5
860
637
2
Technical Information
3
GB
Letter Pipe description
Connection size/type
A
Space heating and cooling/
Indirect DHW tank (primary)
return connection
G nut
B
Space heating and cooling/
Indirect DHW tank (primary) flow
connection
G nut
C
Refrigerant (Liquid)
9.52 mm/Flare
D
Refrigerant (Gas)
5.88 mm/Flare
E
Discharge pipe (by installer) from
pressure relief valve
G1/2” female (valve port within hydrobox casing)
F
Electrical cable inlets
—
For inlets and , run low-voltage wires including external
input wires and thermistor wires. For inlets and , run
high-voltage wires including power cable, indoor-outdoor
cable, and external output wires.
*For a wireless receiver (option) cable, use inlet
.
G
Drain socket
O.D. ø20
<Table 3.9>
A
B
C
D
E
<ERSC> (Split model system)
<Front>
<Right side>
<Rear>
<View from below>
Earth leakage
circuit breaker
Terminal block
Main controller
Pressure relief
valve
G
Automatic air vent
F