mundoclima MUCS-18 H User manual

MUND CLIMA
®
SPLIT CASSETTE
User's manual
COOL ONLY:
HEAT PUMP:
MUCS-18 C
MUCS-18 H

CONTENT
Thank you purchasing this MUNDOCLIMA air conditioner. Read this MANUAL carefully prior to use of the
air conditioner and then keep it properly for future reference.
Contents
1
2
3
5
14
15
17
18
23
24
26
36
38
Operation procedureinstallation
Operation mechanism and working range
Names and functions of parts
Safety cautions
Remote control operation procedure
Optimum operation
Trouble shooting
Installation notes
Care and maintenance
Technical specifications
Installation accessories and drawings
Indoor unit installation
Outdoor unit installation
Test and check items after installation

Operation mechanism and working range.
Working temperature range.
Schematic diagram of refrigeration
1. Indoor heat-exchanger
4. Accumulator
7. Outdoor heat-exchanger
10. One-way valve
2. Connecting pipe
5. Compressor
8. Master capillary
11. Four-way reversing valve
3. Check valve
6. Filter
9. Auxiliary capillary
maximum cooling
minimum cooling
maximum heating
minimum heating
Indoor side DB/WB ( )
32/23
21/15
27/-
20/-
Outdoor side DB/WB ( )
43/26
21/15
24/18
-5/-6
Operation mechanism and working range
1
1. Schematic diagram of cooling type
2. Schematic diagram of heat pump type

Names and functions of parts.
Indoor unit
Outdoor unit
Names and functions of parts
2

Safety cautions
Read the following instructions carefully before use.
Avoid direct air flow to your body and avoid
excessive heating or cooling,which may make
you feel uncomfortable and do harm to your
health.
Do not remove protection grill nets from the
outdoor unit.
Do not reach hands or insert anything into the
unit air outlet.
If there is something abnormal (eg.burning
smell), cut off the power immeditely and con-
tact service center.
If room air is stuffy, air the room by opening
door and window for a while, but please close
the curtains when operating the unit to prevent
conditioned air from leaking.
Check whether the installed stand is still firm
enough after the unit has operated for a long
time.
If a worn-out stand is left unfixed,the unit may
topple and do harm.
Do not stand on the outdoor
unit or put anything on it, or
you may fall down or people
may get hurt by the falling
things.
Do not spray any paint or
pesticide on the unit, or it
may cause fire.
Never use wrong ampere rating fire.
Use of iron wire or copper wire may
cause the unit to break down or
cause fire.
Warning
Safety cautions
3

Safety cautions
Do not check or repair during the unit is
operating. It is very dangerous.
Never place objects near the air intake and the air outlet of the unit.
It may affect performance or stop operation of the unit.
Do not splash water directly to indoor unit
It may cause trouble or electric shock.
Do not use other
heating equip-
ment near the air
conditioner.
It will affect the
cooling perfor-
mance.
Do not bang the remote controller.and do not
press the button of the remote controller with
pointed object, or the remote controller may
be damaged.
Warning
Safety cautions
4

Remote control operation procedure
Name and Function-Remote control
SWING button
When it is pressed, the louvers
start to rotate automatically and
stop when repressed.
TEMP.button
SET TEMP. increases 1 by
pressing button once,and decreases
1by pressing button once.
At COOL mode operation, SET
TEMP. can be selected from 16 to
30 .
At DRY mode operation, SET TEMP.
can be selected from 16 to 30 .
At HEAT mode operation, SET
TEMP. can be selected from 16 to
30 .
MODE button
press this button to change the
operation mode in order of:
Note:
Cooling only type have no
“ ” mode.
FAN button
Press this button to
change the fan speed of:
“ ” COOL mode
“ ” DRY mode
“ ” FAN mode
“ ” HEAT mode
1/0 button
Press this button to turn on
or turn off the unit.
Note:
Be sure that there are no obstructions.
Don’t drop or throw the remote controller.
Don’t place the remote controller directly in the sunlight.
Remote control operation procedure
5
AUTO

Liquid crystal displayer. It
shows all set contents.
SLEEP button
Press this button to set
SLEEP operation.
TIMER OFF button
At operating, press TIMER
OFF button, set OFF TIME
in range of 0 to 24 hour to
stop the unit automatically.
TIMER ON button
At stopping, press TIMER
ON button, set ON TIME in
range of 0 to 24 hour to start
the unit automatically.
Remote control operation procedure
Name and Function-Remote control. (Remove the cover)
Note: This type of remote controller is a kind of new current controller. some buttons of
the controller which are not available to this Air conditioner will not be described
below.
Remote control operation procedure
6

COOL mode operation procedure
4.Press FAN button, set
fan speed.
5.Press TEMP. but-
ton, set suitable
TEMP.
2.Press MODE button,
set operation
mode.
3.Press SWING button,
the louvers start to ro-
tate automatically, and
stop when repress.
1.Plug in, press 1/0 button,then air
conditioner is turned on.
Remote control operation procedure
According to difference between room temp. and set temp., microcomputer can control cooling
on or not.
If room temp. is higher than set temp., compressor runs at COOL mode.
If room temp. is lower than set temp., compressor stops and only indoor fan motor runs.
Set TEMP. should be in range of 16 to 30
Remote control operation procedure
7

HEAT mode operation procedure
If room temp. is lower than set temp., compressor runs at HEAT mode;
If room temp. is higher than set temp., compressor and outdoor fan mortor stop, only indoor
fan mortor runs.
Set TEMP. should be in range of 16 to 30
4.Press FAN button, set
fan speed.
5.Press TEMP. but-
ton, set suitable
TEMP.
1.Plug in, press 1/0 button,then air
conditioner is turned on.
2.Press MODE button,
set operation
mode.
3.Press SWING button, the
louvers start to rotate
automatically, and stop
when repress it.
Remote control operation procedure
Remote control operation procedure
8

DRY mode operation procedure
If room temp. is lower than set temp., compressor ,outdoor and indoor fan mortor stop. If
room temp. is between 2of set temp., Air conditioner is drying.If room temp. is higher
than set temp., it’s at COOL mode.
Set TEMP. should be in range of 16 to 30
3.Press SWING button,
the louvers start to ro-
tate automatically, and
stop when repress it.
4.Press TEMP.button,set
suitable TEMP.
2.Press MODE button,set
operation mode.
1.Plug in,press 1/0 button,then air
conditioner is turned on.
Remote control operation procedure
Remote control operation procedure
9

AUTO mode operation procedure
At AUTO mode operation, standard TEMP. is 25 for COOL mode and 20 for HEAT
mode.
2.According to room temp.,micro-
computer can automatically set
operation
mode,so as for best effect.
1.Plug in,Press 1/0 button, then
air conditioner is turned on.
Remote control operation procedure
Remote control operation procedure
10

TIMER mode operation procedure
At stopping,press TIMER
ON button, set ON TIME
in range of 0 to 24 hour to
start the unit automatically.
At operating,press TIMER
OFF button.set OFF TIME
in range of 0 to 24 hour to
stop the unit automatically.
Remote control operation procedure
Remote control operation procedure
11

SLEEP mode operation procedure
4.Press FAN button, set
fan speed.
5.Press TEMP. but-
ton, set suitable
TEMP.
1.Plug in, press 1/0 button,then air
conditioner is turned on.
2.Press MODE button,
set or op-
eration mode.
3.Press SWING button,
the louvers start to rotate
automatically, and stop
when repress.
6.SLEEP button
Press it to set SLEEP
operation.
When the unit is cooling or drying, if SLEEP operation is set, TEMP. would increase 1 in 1
hour and 2 in 2 hour. Indoor fan motor runs at low speed.
When the unit is heating , if SLEEP operation is set, TEMP. would decrease 1 in 1 hour and
2in 2 hours. Indoor fan motor runs at low speed.
Remote control operation procedure
Remote control operation procedure
12

How to insert batteries
1. Remove the cover from the back
of the remote controller.
2. Insert the two batteries ( Two AAA
dry - cell batteries ) and press but-
ton “ACL”.
3. Re - attach the cover.
Note:
Don’t confuse the new and
worn or different types of
batteries.
Remove batteries when the
remote controller is not in
use for a longtime.
1 Remove the cover.
3 Re - attach the cover.
2 Insert the 7#batteries.
Remote control operation procedure
Remote control operation procedure
13

Optimum operation
14
Optimum operation
Adjust the room temperature properly for a comfortable
environment.
Adjust the room temperature properly
Water may drop from the indoor unit when the humidity
is over 80% or when the drainage outlet is clogged.
Never place anything under the indoor unit that is to be kept dry.
When the main power switch is truned on, some watts of
electricity is being used even if the system is not operating.
Turn off the main power supply switch to save energy.
Turn off the main power supply swittch when it is not to be used for long periods of time
Cooling and heating performance will be affected if the
doors and windows are open for a long time.
Do not open the doors and windows for a long time when air conditioner is operating
It may cause interference in the picture or sound.
Place TV, radio, stereo, etc. at least 1m away from the indoor unit and the remote controller.
It may do harm to them.
Avoid direct air flow to pets and plants.

Trouble shooting
Warning
*In case of something abnormal (such as bad smell), shut off the power switch immediately and contact service center.
*Do not repare the air conditioner by yourself. Because wrong repair may cause fire, please contact service center.
Check these items shown below before contacting service center.
Pause off or fuse broken
Power off
Loose plug
Batteries of remote controller fall
Out of the remote controlling range
Object at the air intake and
air outlet of the air conditioner
Object at the air intake and
air outlet of indoor and out door units
Wrong temperature setting
Low fan speed
Air direction is not correct
Doors or windows are open
Direct sunshine
Too many people in the room
Too many heating sources
Dirty air fliter
Phenomenon
Change fause or replace fuse
It will restart when power is on
Put the plug into place
Replace batteries
Keep distance in 8m or less
Romove them
Romove them
Refer to p6
Refer to p6
Refer to p6
Close them
Close the curtain or blinber
Clean it
Cause Corrective Measures
Note:
If trouble still exists after checking the about items,please contact service center.
The system does not
operate at all
The system stops right
after it is started
Cooling and heating is
melfunctioning
Trouble shooting
15

The following are not troubles
Trouble shooting
Restart right after stopping
Press SET TEMP. and then release immediately.
Power is switched on
When cooling
after the unit is stopped
Buzz is heard at starting
Sound of running water can be heard
during operation
A “shuh” sound which is heard at the start
or immediately after the stop of operation
or which is heard at the start or immediately
after the stop of defrosting operation.
A continuous low “shah” sound is heard
when the system is in cooling operation or
at a stop.
Cracking noise can be heard during or after
operation.
Starting operation after not using for a long
time.
During operation
“Trouble” Cause
The unit does not
operate when
Mist is emitted
Outdoor unit is hot
Noise
Dust from the units
Wind from the outlet
smells
Once the unit is stopped, it will not operate
for about 3 minutes to protect it
Wati for 1 minute
Room air is chilled rapidly and becomes
foggy.
Compressor is emitting heat to get ready
for restarting.
It’s the starting sound of thermostat and
will turn low after 1 minute.
This is caused by the refrigerant flowing
inside the unit
This is the noise of refrigerant caused by
flow stop and flow change.
The noise is heard when the drainage pump
is in operation.
This is caused by the panel expanding or
contracting due to the change in
temperature.
Dust absorbed by the unit blows out
This is caused by the odors in the room
which have gotten onto the air conditioner
Trouble shooting
16

Installation notes
Location Noise
The air conditioner must be firmly installed and 3 4
liability checks must be done every year.
Avoid place whthin easy reach of young children.
Avoid other heat sources or dircect sun light.
Install indoor unit away from TV set or radio.
Avoid where inflammable gas is likely to leak.
At salty coastal areas or special areas such as the vicinity
of a sulphurous hot spring,please contact dealer before
installation to make sure it is safe to use the unit.
Not to be installed in laundries.
The air conditioner must be positioned so trat the plug
is accessible
Select a place with good ventilation or it may affect
performance or increase noise.
Install the air conditioner on a foundation that can
withstand its weight.insufficient strength may result in
the fall of equipment and cause injury.
Select a place so as not to annoy neighbor with the hot
air or noise.
Never place objects near the air outlet or the unit,it may
affect performance or increase noise.
If there is abnormal noise during the operating,contact
dealer immediately.
Installation and transportation Wiring arrangement
Installation and transportation of the unit must be done
by skilled personnel.
Be sure to use only the specified accessories and parts
for installation,failure to use may lead to electric shock,
leakage or fire.
Carry out installation with consideration of strong winds,
typhoons,or earthquakes.Improper installation work may
result in accidents due to fall of equipment.
If the unit is to be moved to other place,please consult
dealer first.
Make sure wiring is carried out by qualified personnel
according to laws and regulations and this manual,using
a separate circuit and suitable fuse.
Be sure to install an earth leakage breaker.
Diameter of power supply cord must be big enough.
(Refer to P24 about the sizes of diameter)
1. Air-conditioner is the class I appliance, it must be use the suitable earthing connection.
2. Please do not cut or change the method of use of the yellow / green earthing wire of the
air-conditioner. Otherwise, it may cause the electrical leakage.
3. Earthing resistance should be approved by Country Standard GB17790.
4. User power should be provided a reliable earthing terminal. Please do not let the earthing
wire to connect the following place:
1. Water supply
2. Gas supply
3. Sewage tube
4. Some places there are not reliable by a professional.
Earthing requirement
Water pipe
Some parts of the water pipe are made of plastic
materials and not suitable for earthing.
Gas pipe
If there is electrical leakage accidently from air
conditioner,it is easy to cause fire or explosion.
Installation notes
17

Care and maintenance
Pull out the power plug before cleaning Do not splash water directly to the unit
Warning
Please pull out the power plug after you used the air conditioner.
1.Open the suction grille
Use screwdriver screws the two screws.
Slide both knobs simultaneously as shown and
then pull them downward slowly.
How to clean the air filter
2.Remove the air filters.
Slide knobs on the back of the suction grille
outward and remove the air filter.
Then romove three air cleaners on it.
3.Clean the air filter
Use vacuum or wash the air filter with water when
the air filter is very dirty,use neutral detergent and
water.Let the filter dry naturally at shady place.
Note:
Do not clean with hot water
Do not dry over fire
Do not run the air conditioner without the air filter.
Care and maintenance
18