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