4 Electrical wiring
154
SMGB0077 rev.0 - 01/2013
Terminal board 2
Mark Item Name Description
Wire and maximum
current speciîš¿ca-
tion (EN60335-1)
ï‚¡
1 L1
P.S.: Power supply (necessary):
The mains power supply connection (230 Vac) is wired to terminals L1 and N.
1~230V 50Hz, Max
current. 5A
Wire section:
3x0,75mm2
2 N
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3 1
EXP. VALVE: Expansion valve connection (necessary):
Link to expansion valve assembly. Number links from 1 to 6 must match in e-box
terminal board and expansion valve terminal board
Wire section:
6x0,5mm2
4 2
5 3
6 4
7 5
8 6
-
9 -
Not used -
10 -
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11 L
MD: Motor Drain discharge (optional):
A drain water pump (îš¿eld supplied) can be connected to DX-kit interface.
1-230V 50Hz Max
current: 1A (output)
Wire section:
2x0,75mm2
12 N

13 N
FAN CONTROL: Fan tap speed control by HITACHI remote controller (optional):
N-Neutral phase connection (common)
Maximum current
allowed: 3,5A
Wire section:
4x0,75mm2
(*1)
14 H H: High fan speed signal
15 M M: Medium fan speed signal
16 L L: Low fan speed signal
-
17 -
Not used -
18 -
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19 1
M. AL: Motor alarm signal:
Alarm input signal can be used for alarm link between the DX-Kit interface and the
unit connected. If the jumper between terminal 1 (19) and 2 (20) is open, unit will be
switched to alarm condition. Connect again to restart the system
Wire section:
2x0,75mm2
(*2)
20 2
N O T E
• • (*1):Lockedrotoramperage(LRA)mustbelowerthan8A.
• • (*2):Alarmsignalwithhighvoltage(1~230V50Hz):ConnectioninM.AL.terminalsismandatory.Incase
that motor alarm detection were not necessary, make sure to connect the harness jumper provided with the
DX-Interface.
Expansion valve box
Mark Item Name Description
Wire and maximum current
speciîš¿cation (EN60335-1)
ï‚¢
1 1
Control connection (necessary):
Link to control assembly. Number links from 1 to 6 must match in
expansion valve terminal board and control terminal board.
Wire section: 6x0,5mm2
2 2
3 3
4 4
5 5
6 6
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