mundoclima MUCO-H6T Service manual

English
CL20390 to CL20391
www.mundoclima.com
Installation & Owner's
FLOOR STANDING
manual
MUCO-H6T

Contents
Notices for Use .............................................................4
Names of Each Part of the Unit ....................................6
Operation of Remote Controller ..................................12
Use and Maintenance
Clean and Care ...........................................................20
Troubleshooting .......................................................... 22
Installation Dimension Diagram ..................................28
Installation of Indoor Unit ............................................30
Installation of Outdoor Unit .........................................34
Test Operation and Check after Installation ...............37
Installation Service
Cautions for Operation .................................................1
Notes for Installation ...................................................25
Names and Functions of Each Part ..............................8
Adjustment of Swing ................................................... 18
The symbol stands for the items
which should be forbidden
The pictures about the unit in this Instruction may be different from the actual
ones.Please be subject to the actual one.
The symbol stands for the items
which should be followed

★
★
★
Please read the following carefully before operating.
WARNING
Once abnormality like burning
smell occurs,please cut off the power
supply immediately and then contact
may be damaged
and electric shock
with service center .
If the abnormality still exists, the unit
or fire may result.
Don't operate the air conditioner
with wet hand.
Never cut off or damage power
cord and signal wire. If they are
damaged,replace them with special
cord by professionals.
Special circuit must be adopted
for power supply to prevent fire.
Be sure to pull out the power
plug when the air conditioner is not
in use for a long time.
Otherwise, the accumulated dust
may cause overheating or fire.
Never damage the electric wire
or use the one which is not specified.
Otherwise, it may cause overheating
or fire.
During cleaning, please cut off
the power supply.
Cut off power supply
Otherwise, it may cause electric
shock or damage.
The power supply must adopt
special circuit with protection of air
switch and enough capacity.Do not
turn on or off the unit frequently to
protect the air conditioner.
The power supply and voltage
should keep stable. Electric compon-
Do not use octopus multipurpose
plug or mobile terminal board for
wire connection.
ents are easy to be damaged for high
voltage. Refrigeration system will be
damaged and compressor and electric
components won't operate if voltage
is too low.
Otherwise, it may cause electric shock.
★If the supply cord is damaged,
it must be replaced by the manufa-
cturer or its service agent or a sim-
ilarly qualified person in order to
avoid a hazard.
This appliance is not intended
for use by persons (including
children) with reduced physical,
sensory or mental capabilities, or
lack of experience and
knowledge,unless they
have been given supervi-
sion or instruction concerning use
of the appliance by a person res-
ponsible for their safety.
Children should be supervised to
ensure that they do not play with
the appliance.
1
Cautions for Operation

Don't make windows and doors open
for a long time
during operation ofthe air
conditioner.
Keep pressurized spray,gas holder
and so on away from the indoor unit
It may cause fire or explosion.
Don't step on the top of the outdoor
unit or place anything on it.
There is the danger of fall of things or
Please note whether the installation
stand is firm enough or not.
If damaged, it may cause fall of the unit
and injury of people.
Don't attempt to repair the air condi-
tioner by yourself.
Improper repair may cause electric shock
or fire, so you should contact the service
center to repair.
Never insert any foreign matter into
the air conditioner to avoid damage of
the air conditioner. And never insert
your hands into the air outlets of indoor
and outdoor units.
The operation of cut-off valve of
outdoor unit must be performed by
professional personnel in order to
Never block the air inlet and outlet
of the indoor and outdoor units.
★
★
★
★
★
★★
★
avoid damage to compressor for
leakage of the system.
Earthing:the unit must be
earthed reliably!The earthing
wire should connect with special device
of buildings.
professional does not recognize.
It may reduce efficiency of the unit. It may reduce efficiency or cause stop of
the unit and even fire.
above1m .
people .
If not, please ask the qualified personnel
to install. Furthermore, don't connect each
wire to gas pipe, water pipe, drainage
pipe or any other improper places which
Cautions for Operation
2

★
★
★
★
★
Keep proper temp
difference between
room and outdoors
Don't insert your hands or stick into the air inlet or outlet. Select the most appropriate temperature.
Splashing water on the air conditioner may cause electric
shock and malfunction.
Don't apply the cold wind to the body for a long time or
Don't use the air conditioner for other purposes, such as
drying clothes, preserving foods, etc.
Don't place a space heater near the air conditioner.
Or CO toxicosis may occur for imcomplete burning.
Don't blow the wind to animals and plants directly.
It may cause a bad influence to them.
Don't strike the glass door with heavy things to avoid damage.
set too low temperature.
3
Cautions for Operation

Working Principle and Special Functions for Cooling
Principle:
Anti-freezing Function:
If the unit is running under cooling mode at low temperature, the surface of indoor heat
below ,the indoor microcomputer will make the compressor stop to protect the unit.
will decrease with the increase of outdoor temperature.
so that indoor ambient temperature will be decreased.By this principle,its cooling capacity
℃
exchanger will frost.When the temperature of indoor heat exchanger decreases to -2 or
Air conditioner absorbs heat from room and then transmit it outdoors for discharge of it,
Working Principle and Special Functions for Heating
*
*
*
*
*
Principle:
Defrosting:
defrosting function will act and heat running will briefly stop for 5-10min.
so that indoor temperature will be increased.
If outdoor temperature gets much lower, please operate with other heating equipments.
Note:By this principle,heating capacity of the unit will decrease with the decrease of outdoor
Air conditioner absorbs heat from outdoors and transmit into the room for distribution,
temperature.
When outdoor temperature is low with high humidity, the outdoor heat exchanger will
frost after the unit runs for a period of time, which affects heating. At this time, auto
malfunction.
During defrosting, the outdoor unit may emit vapor,which is due to rapid defrosting,not
During auto defrosting, both indoor and outdoor fans stop running.
The unit will resume heating after defrosting.
Notices for Use
Under heating mode, if indoor heat exchanger hasn't reached certain temperature under
the following three kinds of states, the indoor fan won't start to avoid blow of cold air (within
90s).
1. At the beginning of heating 2.After auto defrosting 3.Heat at ultra-low temperature
Anti-cold Air Function:
4

★ Condition that unit can't normally run
The protection devices may be active or inactive in certain temp range of the following table.
Under relative humidity above 80% (door and windows open) , long-time cooling or
dehumidifying , there will be dew dripping off near the air outlet.
About display of ambient temperature:
1.In order to prolong lifetime of compressor,the air conditioner will automatically control start
or stop of compressor according to actual condition. It will delay for a period of time to stop
although the ambient temperature reaches setting temperature.
2.Because of difference among different regions in the room, the air conditioner will automatically
supplement temperature to improve comfort.It is normal state that the temperature displayed
on the unit is different from that detected by the user.
Indoor side DB/WB(℃) Outdoor side DB/WB(℃)
Maximum cooling 32/23 43/-
Maximum heating 27/- 24/18
●The operating temperature range (outdoor temperature) is -7℃~ 43℃.
NOTICE:
5
Notices for Use

MUCO-48-H6T
6

remote controller
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP TIMER
SLEEP LIGHT
MUCO-60-H6T
7

●
●
E-HEATER
Buttons function and displayer
ａｎｄ ａｎｄ
●
●
●
Names and Functions of Each Part
Function Buttons of Air Conditioner
Press this button, to turn on the unit.
When unit is turned on, the original
setting like Timer, Sleep function will
be canceled.Note: When the unit is
running in Dry mode, press ON/OFF
button that can turn on the unit directly.
ON/OFF ON/OFF Button
● When the unit start up running,
the status light will display in red
indicated as power turn-on and free-duty.
Mode Mode Button
Press the button, the circulating changes
of mode are shown as below:
Auto Cooling Dehumidification
Heating Air Supply
Auto: the controller will determine its
operation mode according to changes
of room temperatures under this mode.
Cooling: display cooling state.
Dehumidification: reduce temperature
and keep the setting room temperature
without any change.
Air supply: The compressor doesn't on
work and only the indoor blower is on
running under this mode.
Heating: Display the state of heating.
(Note: Single-cooling machine is not
equipped with heating mode)
Button
Under the situation without setting
the function, press and buttons,
the setting temperature goes up
and down 1 , the regulating range
is from 16 to 30
℃
℃ ℃.
Under the conditions of setting the
functions, can proceed with the
round-trip option of this function (set
and opposite direction of
circulation).
Keep pressing and buttons
for 3 seconds continuously, functions
of all buttons on the display panel
will be conductively-closed, and then
press any button, the buzzer will
ring once while "LC" is flashing for
three times on the location of double
8 and resume to normal display so
as to prompt users that the buttons
have been locked up.When keep
pressing again the two buttons for
another 3 seconds continuously,
the function of lockup will be removed
and resume to display in normal state.
Speed Function AMB. Mode ON/OFF
8