Hitachi RAC-25WPA RAC25WPA ユーザーズマニュアル
製品コード
RAC25WPA
10-8
CAUTION
•
A circuit breaker or fuse must be installed. Without a
circuit breaker or fuse, the danger of electric shock
exists. A main switch with a contact gap of more
than 3.5mm has to be installed in the power supply
line to the outdoor unit.
circuit breaker or fuse, the danger of electric shock
exists. A main switch with a contact gap of more
than 3.5mm has to be installed in the power supply
line to the outdoor unit.
•
Do not install the unit near a location where there is
a flammable gas. The indoor unit may catch fire if
flammable gas leaks around it.
a flammable gas. The indoor unit may catch fire if
flammable gas leaks around it.
•
Be sure to tighten the flare nut to the specified
torque using a torque wrench. If the flare nut is
tightened excessively, it may crack as time elapses,
causing the refrigerant leakage.
torque using a torque wrench. If the flare nut is
tightened excessively, it may crack as time elapses,
causing the refrigerant leakage.
•
Please ensure smooth flow of water when installing
the drain hose.
the drain hose.
•
Piping shall be suitable supported with a maximum
spacing of 1m between supports
spacing of 1m between supports
•
An IEC approved power cord should be used. Power
cord type: NYM.
cord type: NYM.
WARNING
•
The unit should be mounted at stable, non-vibratory
location which can provide full support to the unit.
location which can provide full support to the unit.
CAUTION
•
No nearby heat source and no obstruction near the
air outlet is allowed.
air outlet is allowed.
•
The clearance distances from top right and left are
specified in figure below.
specified in figure below.
•
The location must be convenient for water drainage
and pipe connection with the Outdoor unit.
and pipe connection with the Outdoor unit.
•
To avoid interference from noise, please place the
unit and its remote controller at least 1m from the
radio, television and inverter type fluorescent lamp.
unit and its remote controller at least 1m from the
radio, television and inverter type fluorescent lamp.
•
To avoid any error in signal transmission form the
remote controller, please put the controller far away
from high-frequency machines and high-power
wireless systems.
remote controller, please put the controller far away
from high-frequency machines and high-power
wireless systems.
Indoor unit installation
Installation of wall penetration and installation of
protection pipe
1. Hole position
Make a hole on the wall such the position as shown below,
in order to keep the flow for condensed water smooth.
Make a hole on the wall such the position as shown below,
in order to keep the flow for condensed water smooth.
Hole position
In case of making a hole
on the wall
In case of making a hole
on the floor
2. Wall penetration and installation of protection pipe
Drill a
Drill a
Φ65mm hole on wall which is slightly tilted towards
the outdoor side. Drill the wall at a small angle.
Cut the protection pipe according to the wall thickness.
Empty gap in the sleeve of protection pipe should be
completely sealed with putty to avoid dripping of rain water
into the room.
Cut the protection pipe according to the wall thickness.
Empty gap in the sleeve of protection pipe should be
completely sealed with putty to avoid dripping of rain water
into the room.
CAUTION
•
Be sure that the wire is not in contact with any metal
in the wall. Please use the protection pipe as wire
passing through the hollow part of the wall so as to
prevent the possibility of damaged by mouse.
in the wall. Please use the protection pipe as wire
passing through the hollow part of the wall so as to
prevent the possibility of damaged by mouse.
Models: Floor
type
Maximum
piping length
(m)
Minimum
piping
length (m)
Maximum
height (m)
RAF-25PXA
10
5
20
RAF-35PXA
10
5
20
RAF-50PXA
10
5
30
The space indicated by an arrow is to guarantee the
performance of the air conditioner. Install the apparatus at
the ample space in order to carry out the maintenance and
repair works.
performance of the air conditioner. Install the apparatus at
the ample space in order to carry out the maintenance and
repair works.
Be sure to
completely seal the
gap with putty.
When mounting
on a wall (up to
150-500mm from
the floor surface).
The indoor piping should be
insulated with the enclosed
insulation pipe. (If the insulation is
insufficient, please use commercial
products).
Drain hose
to be lower
than center
of hole
55mm
184
m
m
o
r less
65mm
80~
100m
m
Outdoor
Indoor
Seal with
putty
2~5mm
Seal with
putty
Protection
pipe
Sleeve of
protection
pipe