Hitachi RCIM-1.0FSRE - Page 68

3 Electrical and control settings
Unit electrical wiring and connection
SMGB0137 rev.0 - 05/2021
58
Terminal board 2
Mark Item Name Description
Wire and maximum current
specication (EN60335-1)

1
L1
P.S.: Power supply (necessary):
The main power supply connection (230 Vac) is wired to terminals L1 and N.
1~230V50Hz,Maxcurrent.5A
Wiresection:3x0,75mm
2
2
N

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:6x0,5mm
2
4
2
5
3
6
4
7
5
8
6
-
9
-
Not used -
10
-

11
L
MD: Motor Drain discharge (optional):
Adrainwaterpump(eldsupplied)canbeconnectedtoDX-kitinterface.
1~230V50HzMaxcurrent:
1A (output)
Wiresection:2x0,75mm
2
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:4x0,75mm
2
(*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
-

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:2x0,75mm
2
(*2)
20
2
? NOTE
• (*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 Description
Wire and maximum current
specication (EN60335-1)

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:6x0,5mm
2
2 2
3 3
4 4
5 5
6 6