Hitachi RCI-1.0FSR Service Manual page 68

3 Electrical and control settings
Unit electrical wiring and connection
Terminal board 2
Mark Item Name
1
L1
P.S.: Power supply (necessary):

The main 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

6
4
e-box 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
13
N (optional):
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 switched to alarm condition. Connect again to restart the
20
2
system
?
N O T E
• (*1): Locked rotor amperage (LRA) must be lower than 8A.
• (*2): Alarm signal with high power (1~ 230V 50Hz): In case of M. Al, connection is not necessary. The harness jumper provided inside
the DX-Interface must be used.
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
58 SMGB0137 rev.0 - 05/2021
Description
Description
Wire and maximum current
specification (EN60335-1)
1~ 230V 50Hz, Max current. 5A
Wire section: 3x0,75mm
2
Wire section: 6x0,5mm
2
-
1~ 230V 50Hz Max current:
1A (output)
Wire section: 2x0,75mm
2
Maximum current allowed: 3,5A
Wire section: 4x0,75mm
2
(*1)
-
Wire section: 2x0,75mm
2
(*2)
Wire and maximum current
specification (EN60335-1)
Wire section: 6x0,5mm
2