9
OUTLINES AND DIMENSIONS
5
Unit: mm
5-1. Technical Drawings
a
)
(
600
100±5
950
592
260
541
492
367
249
187
163
124
86
48
291 263
242
124 11
0
357
(348
)
(242 )
11
0
(187
)
(187
)
(
)
260
592
950
100±5
40
600
48 86
124
163
187
249
367
300
492
541
11
0
124
193
242
263
291
(348
)
357
a
(232 )
11
0
<EHS*> (Heating system)
<Front>
Automatic air vent
Front panel
Earth leakage
circuit breaker
Terminal bed
Main remote controller
Pressure relief valve
G1/2
Back panel
support
Hook
<View from below>
<Side>
<Rear>
<ERS*> (Heating and cooling system)
Manometer
Left: Power supply wiring
(Indoor unit independent
power supply)
Right: Indoor/outdoor wiring
Space heating flow
(ISO 228-1 G1-1/2-B)
Space heating return
(ISO 228-1 G1-1/2-B)
Refrigerant (Liquid 3/8)
Refrigerant (Gas)
* Refer to detail view a.
Add an accessory to
refrigerant GAS PIPE.
(FLARING) 3/4F
Refrigerant (Gas) con
-
nection (BRAZING)
I.D. ø25.4
Detail view a
<Front>
Automatic air vent
Front panel
Earth leakage
circuit breaker
Terminal bed
Main remote controller
Pressure relief valve
Back panel
support
Hook
<View from below>
<Side>
<Rear>
Manometer
Left: Power supply wiring
(Indoor unit independent
power supply)
Right: Indoor/outdoor wiring
Space heating flow
(ISO 228-1 G1-1/2-B)
Space heating return
(ISO 228-1 G1-1/2-B)
Refrigerant (Liquid 3/8)
Refrigerant (Gas)
* Refer to detail view a.
Add an accessory to
refrigerant GAS PIPE.
(FLARING) 3/4F
Refrigerant (Gas) con
-
nection (BRAZING)
I.D. ø25.4
Detail view a
F
E
Drain pipe
PVC pipe: VP-20 [O.D. ø20]
G
A
B
C
D
F
E
A
B
C
D
Letter Pipe description
Connection size/type
A
Space heating/Indirect DHW tank (primary) return connection G1-1/2 -B
B
Space heating/Indirect DHW tank (primary) flow connection
G1-1/2 -B
C
Refrigerant (Liquid)
9.52 mm/Flare
D
Refrigerant (Gas)
Brazing connection I.D. ø25.4
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 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
.
G
Drain socket
O.D. ø20
<Table 5-1>
G1/2
OCH590B