Operation manual
2
U-5~48MX3 + U-8~48ME3XPQ
Urban Multi air conditioner
4PW16236-1
2.
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 units (See figure 1)
Names and functions of parts (See figure 1)
(figure 1 shows systems with changeover remote control switches.)
3.
R
EMOTE
CONTROLLER
Refer to the operation manual of the remote controller.
CAUTION
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.
To avoid oxygen deficiency, ventilate the room
sufficiently if equipment with burner is used together
with the air conditioner.
After a long use, check the unit stand and fitting for
damage.
If damaged, the unit may fall and result in injury.
Before cleaning, be sure to stop the operation, turn the
breaker off or pull out the supply cord.
Otherwise, an electric shock and injury may result.
Do not operate the air conditioner with a wet hand.
An electric shock may result.
Do not place appliances which produce open fire in
places exposed to the air flow from the unit or under
the indoor unit. It may cause incomplete combustion
or deformation of the unit due to the heat.
Do not allow a child 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.
Adverse influence to little children, animals and plants may
result.
Do not install the air conditioner at any place where
flammable gas may leak out.
If the gas leaks out and stays around the air conditioner, a
fire may break out.
Be sure the air conditioner is electrically earthed.
In order to avoid electric shock, make sure that the unit is
grounded and that the earth wire is not connected to gas
or water pipe, lightning conductor or telephone earth wire.
Arrange the drain hose to ensure smooth drainage.
Incomplete drainage may cause wetting of the
building, furniture etc.
Do not let children play on and around the outdoor
unit.
If they touch the unit carelessly, it may result in injury.
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. And
wipe it with another dry cloth.
CAUTION
Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are
dangerous to touch, and a machine trouble may happen.
For checking and adjusting the internal parts, contact your
dealer.
Never pull or twist the electric wire of a remote
controller.
It may cause the unit to malfunction.
Do not operate the air conditioner when using a room
fumigation - type insecticide.
Failure to observe could cause the chemicals to become
deposited in the unit, which could endanger the health of
those who are hypersensitive to chemicals.
Do not touch the heat exchanger fins.
These fins are sharp and could result in cutting injuries.
Cool/heat
changeover
remote control
switch
operation
modes
Cool/heat changeover remote
control switch
Heat pumps
MX3
series
❏
yes
❏
no
Heat recovery series
Heat pumps
ME3
series
❏
yes
❏
no
1
Outdoor unit
2
Indoor unit
3
Remote controller
4
Inlet air
5
Outlet air
6
HR unit
7
Cool/heat changeover remote control switch
