Operation manual
3
HXHD125A7V1B
VRVIII system air conditioner
4PW62583-1 – 11.2010
■
In order to avoid injury, do not remove the fan guard of
the outdoor unit.
■
To avoid oxygen deficiency, ventilate the room
sufficiently if equipment with burner is used together
with the air conditioner.
■
Do not allow anyone to mount on the outdoor unit or
avoid placing any object on it.
Falling or tumbling may result in injury.
■
Never expose little children, plants or animals directly
to the air flow.
■
Do not let children play on and around the outdoor
unit.
If they touch the unit carelessly, it may result in injury.
■
Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are
dangerous to touch and appliance problems may
happen. For checking and adjusting the internal parts,
contact your dealer.
■
Do not touch the heat exchanger fins.
These fins are sharp and could result in cutting
injuries.
■
Never press the button of the remote controller with a
hard, pointed object.
The remote controller may be damaged.
■
Never pull or twist the electric wire of the remote
controller.
It may cause the unit to malfunction.
■
Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
■
Do not use the air conditioner for other purposes.
In order to avoid any quality deterioration, do not use
the unit for cooling precision instruments, food, plants,
animals or works of art.
■
After a long use, check the unit stand and fitting for
damage.
If damaged, the unit may fall and result in injury.
■
Do not place items which might be damaged by
moisture under the indoor unit.
Condensation may form if the humidity is above 80%,
if the drain outlet is blocked or the filter is polluted.
■
Arrange the drain hose to ensure smooth drainage.
Incomplete drainage may cause wetting of the
building, furniture etc.
■
Do not place the controller exposed to direct sunlight.
The LCD display may get discolored, failing to display
the data.
■
Do not wipe the controller operation panel with
benzine, thinner, chemical dustcloth, etc.
The panel may get discolored or the coating peeled
off. If it is heavily dirty, soak a cloth in water-diluted
neutral detergent, squeeze it well and wipe the panel
clean. Wipe it with another dry cloth.
■
Do not operate the air conditioner when using a room
fumigation - type insecticide.
This could cause the chemicals to become deposited
in the unit, which could endanger the health of those
who are hypersensitive to chemicals.
3.
W
HAT
TO
DO
BEFORE
OPERATION
This operation manual is for the following systems with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system type and mark.
If your installation has a customized control system, ask your dealer
for the operation that corresponds to your system.
Outdoor unit
Names and functions of parts
1
Outdoor unit
2
Indoor unit
3
Remote controller
4
Inlet air
5
Outlet air
6
Cool/heat changeover remote control switch
7
Branch selector (BS) unit
8
HXHD indoor unit
(The figure above shows a system with changeover remote control
switches.)
4.
R
EMOTE
CONTROLLER
Refer to the operation manual of the remote controller.
5.
O
PERATION
RANGE
Operation range
Use the system in the following temperature and humidity ranges for
safe and effective operation.
CAUTION
■
It is not good for your health to expose your body to
the air flow for a long time.
NOTICE
■
Never put any objects into the air inlet or outlet.
Objects touching the fan at high operating speed can
be dangerous.
Cool/heat
changeover
remote control
switch
Operation modes
Heat recovery series
Heat pumps
REYAQ
series
❏
yes
❏
no
Outdoor temperature
–5~43°C DB
–20~21°C DB
–20~15.5°C WB
Indoor temperature
21~32°C DB
15~27°C DB
14~25°C WB
Indoor humidity
≤
80%
(*)
(*)
to avoid condensation and water dripping out the unit.
If the temperature or the humidity is beyond these conditions, safety devices may
work and the air conditioner may not operate.
4
3
6
5
5
4
1
2
7
8