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Hitachi RAS-08HT Installation Instructions Manual page 2

Split inverter type room air conditioner

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Earth wire and earth leakage circuit breaker.
To prevent current leakage:
To avoid carelessness from power companies or other accidents that cause over current to get into the unit via the earth
wire resulting in damage to the unit, be sure to install a circuit breaker. Refer to the dealers (the qualified technicians) for
details.
To prevent electric shock in case of current leakage, the outdoor unit must be connected with an earth wire with wire
2
specification of 2.5mm
to 6mm
(When hooking up the earth wire, the installer must first handle the end tip of the wire. After crimping the wire with a ring
terminal, make sure to screw down the earth wire tightly to complete grounding at the place marked with a grounding
sign
near the access panel combination or the valve base combination.)
When installing near places with high humidity such as bathing facilities, damp, humid places, basements, and places
with frequent water accumulation, be sure to install a circuit breakers preventing leakage. Refer to the dealers (the
qualified technicians) for details.
NOTICE
1. To ensure your safety, this product must not be used in the highly humid areas such as laundry room and bathroom,
etc.
2. The earth wire must not be connected to the following positions:
Water pipes: If there is a plastic pipe in the pipelines, do not connect the earth wire to the pipeline.
Gas pipes: There is risk of explosion after ignited.
Ungrounded neutral lines in the electrical circuit panel, earth wires of the telephone line and lightning rods, etc, which
may have large amount of current flowing through tending to cause danger when lightning strikes or by other factors.
Selection of installation locations
Indoor
units
The units must be installed at the places where sufficient
supports are available, vibration-free, firm and stable places.
There are no heat sources, fumes in the vicinity and no barriers
around the air outlet.
There should have some clearance in the distance as indicated
by
in the diagram (
sides of the unit.
Places where it is convenient for the unit to drain water and to
connect piping of the outdoor units
To avoid noise effect, keep the unit and the remote controller
1m or above away from TV and radio, etc.
To avoid errors in the remote controller; keep the controller
away from high frequency machines and wireless machines
with high power output.
Make sure the pullout direction of the pipes:
There are four pullout
directions for the pipes -
straight backward,
downward, leftward and
rightward.
Outdoor
Units
Do not install the unit at the places easy to expose rain or
Pulling rightward
Pulling downward
direct sunlight, but at the places where there are frequent
airflows.
The airflow must not face directly to animals and plants.
On the top, left, right, front and rear sides of the unit, there
must leave clearance in the distance as indicated in the
diagram
(
page 4). At least two sides should be open,
where one side is for the outflow.
The outflow air and noises must not annoy neighbors.
Content
The units must not be installed at the places where flammable
gas, vapor, dust and fumes are available.
s
The drain hose must be kept unclogged.
Installation
The outdoor units must be installed at the places capable of
sustaining heavy weight, otherwise, the noise and vibration will
....................... 1
Notices
be amplified, tending to cause the unit to fall or personal injury.
Indoor
Units
Installation
.................. 5
Instructions
2
.
(Confirm the location before installation)
page 4) on the top, left and right
Pulling
Pulling
rightward
Pulling
straight
leftward
Pulling
downward
2
Installation dimensions of outdoor units
Models
A
B
RAC-08HTP
RAC-10HTP
554
335
RAC-15HTP
RAC-19HTP
509
335
RAC-24HTP
530
335
RAC-30HTP
A
(mm)
C
D
E
148
45
279
214
100
237
287
175
245
drain hose
D
C

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