Hitachi RAC-25WSA RAC25WSA User Manual
Product codes
RAC25WSA
13-3
–
Please refer to the installation manuals for wire
connection to the terminals of the units. The cabling
must meet the standards of electrical installation
connection to the terminals of the units. The cabling
must meet the standards of electrical installation
–
There is a AC voltage of 230V between the L and N
terminals. Therefore, before servicing, be sure to
remove the plug from the AC outlet or switch off the
main switch.
terminals. Therefore, before servicing, be sure to
remove the plug from the AC outlet or switch off the
main switch.
13.2.2 ELECTRICAL WIRING FOR OUTDOOR UNIT
Please remove the side cover for wire connection
WARNING:
–
WARNING:
–
If you cannot attach the side cover due to the
connecting cord, press the connecting cord in direction
to the front panel to fix it.
connecting cord, press the connecting cord in direction
to the front panel to fix it.
–
Be sure that the hooks of the side cover are fixed in
certainly. Otherwise water leakage may occur and this
causes short circuit of faults..
certainly. Otherwise water leakage may occur and this
causes short circuit of faults..
–
The connecting cord should not touch the service
valve or pipes. (It becomes high temperature during
heating operation)
valve or pipes. (It becomes high temperature during
heating operation)
Checking for electric source and the voltage range
Before installation, the power source must be checked
and the necessary wiring work must be completed. To
ensure poper wiring capacity, refer to the list of wire
gauges below for the lead-in from the pole transformer and
for the wiring from a switch board of a fuse box to the main
switch and outdoor unit in consideration o fthe locked rotor
current.
ensure poper wiring capacity, refer to the list of wire
gauges below for the lead-in from the pole transformer and
for the wiring from a switch board of a fuse box to the main
switch and outdoor unit in consideration o fthe locked rotor
current.
IMPORTANT
Cable length
Wire cross section
Up to 6m
1.5mm
2
Up to 15m
2.5mm
2
Up to 25m
4.0 mm
2
(Earth wire and grounding rod are not supplied. Please
use optional items)
CAUTION:
–
use optional items)
CAUTION:
–
Arrange the power cord so they do not touch the
service valves
service valves
•
Applicable models : RAM-36NP2A / 53NP2A
•
Applicable model: RAM-53NP3A / 68NP3A /
130NP6A
130NP6A
•
Applicable model : RAM-70NP4A
Connect the
earth cord
earth cord
After remove
the screw
and cover,
put the
connecting
cords and fix
the cover
with screws
the screw
and cover,
put the
connecting
cords and fix
the cover
with screws
Connect
the cord
the cord
Connect the
earth cord
earth cord
After remove
the screw and
cover, put the
connecting
cords and fix
the cover with
screws
the screw and
cover, put the
connecting
cords and fix
the cover with
screws
Bind connecting cords to
make them fit between the
convex sections
make them fit between the
convex sections
Earth line
Type of grounding rod: SP-EB-2
Length: 900mm
(Optional)
Length: 900mm
(Optional)
After
remove the
screw and
cover, put
the
connecting
cords and
fix the cover
remove the
screw and
cover, put
the
connecting
cords and
fix the cover