Hitachi RCI-1.0FSN3 Service Manual page 166

4 Electrical wiring
Terminal board 2
Mark Item Name
1 L1
P.S.: Power supply (necessary):

The mains power supply connection (230 Vac) is wired to terminals L1 and N.
2 N
3 1
4 2
EXP. VALVE: Expansion valve connection (necessary):
5 3

Link to expansion valve assembly. Number links from 1 to 6 must match in e-box
6 4
terminal board and expansion valve terminal board
7 5
8 6
9 -
- Not used
10 -
11 L
MD: Motor Drain discharge (optional):

A drain water pump (field supplied) can be connected to DX-kit interface.
12 N
FAN CONTROL: Fan tap speed control by HITACHI remote controller (optional):
13 N
N-Neutral phase connection (common)
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 -
M. AL: Motor alarm signal:
19 1
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
20 2
switched to alarm condition. Connect again to restart the system
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
1 1
2 2
Control connection (necessary):
3 3

Link to control assembly. Number links from 1 to 6 must match in
4 4
expansion valve terminal board and control terminal board.
5 5
6 6
154
SMGB0077 rev.0 - 01/2013
Description
Description
Wire and maximum
current specifica-
tion (EN60335-1)
1~230V 50Hz, Max
current. 5A
Wire section:
3x0,75mm2
Wire section:
6x0,5mm2
-
1-230V 50Hz Max
current: 1A (output)
Wire section:
2x0,75mm2
Maximum current
allowed: 3,5A
Wire section:
4x0,75mm2
(*1)
-
Wire section:
2x0,75mm2
(*2)
Wire and maximum current
specification (EN60335-1)
Wire section: 6x0,5mm2