User`s manual

If strong winds are expected,fix the
system securely to avoid any collapse.
Collapsing may cause body injury.
When installing in a small room, make sure to take counter-
measures against refrigerant leakage; the leaking refrigerant
density shall not exceed the limit value. Regarding countermeas-
ures to prevent the excess leakage, please consult with your dealer.
If the refrigerant leaks and exceeds the limit density value, hypoxia could be
caused.
If you need optional devices such as a humidifier, electric
heater etc, use only products which have been recom-
mended by us. These devices muts be installed by a profes-
sional electrician.
It is not advisable to install it by yourself, as faulty handling may cause
leakage of water, electric shock or fire.
The system must be installed by your dealer or a qualified
professional.
It is not advisable to install the system yourself, as faulty handling may cause
leakage of water, electric shock or fire.
Make sure that the system has been
properly earthed.
Earth cables should never be connected to a gas
pipe, municipal water pipe, lightning conductor or
telephone earth cable. Incorrect installation of the
earth cable may produce an electric shock.
Make sure that you drain the hose
properly, so that all the water has dripped
out.
Negligence may cause flooding in the room
resulting in wet furniture.
Do not install near places where inflamm-
able gas may leak.
Gas leaks may cause fire.
Depending on the place of installation,
a circuit breaker may be necessary.
If you don’t install a circuit breaker, you may
cause an electric shock.
Install at a place which can take the
weight of the air conditioner.
Careless installation may cause body injury.
The system should be applied to places as office, restaurant,
residence and the like.
Application to inferior environment such as an engineering shop, could cause
equipment malfunction and serious injury or death.
SAFETY PRECAUTIONS
Observe instructions with
great care.
Strictly prohibited.
Provide positive earthing.
CAUTION
Thank you for purchasing a Mitsubishi Daiya Air Conditioner. To ensure satisfactory
operation for many years to come, this Owner’s Manual should be read carefully before
using your air conditioner. After reading, store it in a safe place. Please refer to the
manual for questions on use or in the event that any irregularities occur.
TABLE OF CONTENTS
SAFETY PRECAUTIONS ...................................................................................................................... 1
STRUCTURE AND COMPONENTS ..................................................................................................... 3
CONTROLS AND FUNCTION............................................................................................................... 4
OPERATION PROCEDURE.................................................................................................................. 5
PRESENT TIME SETTING PROCEDURE ........................................................................................... 5
ON/OFF TIMER SETTING PROCEDURE ............................................................................................ 6
PROGRAM TIMER SETTING PROCEDURE ....................................................................................... 6
ADJUSTMENT OF AIR FLOW .............................................................................................................. 6
COMFORTABLE USE ........................................................................................................................... 7
MAINTENANCE ..................................................................................................................................... 7
TROUBLESHOOTING........................................................................................................................... 8
FOR POWER FAILURE COMPENSATION .......................................................................................... 9
FOR TEMPERATURE SETTING FIXATION......................................................................................... 9
WHEN THE CHECK INDICATION LAMP (RED) FLICKERS ............................................................... 9
WHEN FILTER SIGN IS INDICATED.................................................................................................... 9
FOR PREPARATION OF HEATING (“HOT KEEP”) ............................................................................. 9
HAS THE UNIT BEEN INSTALLED CORRECTLY? ............................................................................. 10
1
ENGLISH
● Before starting to use the system, read these “SAFETY PRECAUTIONS” carefully to ensure proper operation of the system.
● The safety precautions are classified as “
DANGER” and “ CAUTION”. Precautions as shown in the column “ DANGER”
indicate that improper handling could have dramatic consequences like death, serious injury, etc. Nevertheless, even precautions as
shown in the column.
“
CAUTION” might pose a serious problem, depending on the circumstances. Please observe these precautions with great care,
since they are essential to your safety.
● Symbols which appear frequently in the text have the following meaning:
● When you have read the instruction manual, please keep it near at hand for consultation. If someone else takes over as operator, make
certain that the manual is also passed on to the new operator.
❚ INSTALLATION PRECAUTIONS
DANGER
PSA012B656_E_A3 06.7.28, 6:01 PM1