Willis WCM30MH16S User manual

OWNER'S MANUAL
Split Air Conditioner
AIR CONDITIONERS
Thank you for choosing air conditioner for correct operation, please
it carefully for consultation.
read this owner's manual carefully before operating the unit and keep
WILLIS
WILLIS
WCM30MH16S
WCM36MH16S
MODEL :

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CONTENTS
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Operation and maintenance-notices for operation
1
ƾƾ
Be sure to pull out the power plug
ƾ
ƾƾ
ƾ
Earth: The ground be con-
nected!
If not, please ask the qualified person-
nel to install. Furthermore, don't conn-
ect each wire to the gas pipe, water
pipe, drainage pipe or any other impr-
oper places.
when not using the air conditiiner
for a long time.
Otherwise, the accumulated dust
may cause fire or electric shock.
Select the most appropriate tem-
perature.
Keep room cool-
er than outside
about 5 degree.
It can preclude the electricity wasted.
Don't leave windows and
doors open for a long time
while operating the air conditioner.
It can decrease the air conditioning
capacity.
Don't block the air intake or outlet
vents of both the outdoor and indoor
units.
It can decrease the air conditioning
capacity or cause a malfunction.
Keep combustible spray away
from the units more than 1m.
It can cause afire or explosion.
If it is damaged, it may lead to
the fall of the unit and cause
the injury.
Please note whether the installed
stand is firm enough or not.
Don't step on the top of the
outdoor unit or place something
on it.
As falling off the outdoor unit
can be dangerous.
Don't attempt to repair
the air conditioner by yourself.
The wrong repair will lead to
an electric shock or fire, so
you should contact the service
center to repair.


ƾ ƾ
ƾƾ
ƾ
ƾ
ƾ
ƾ
Don’t apply the cold wind to
the body for a long time.
It can cause the health problems.
Splashing water on the air
conditioner can cause an electric
shock and malfunction
Don’t place a space heater
near the air conditioner.
Don’t blow the wind to animals
and plants directly. It can cause
a bad influence to them.
Don’t insert your hands or stick into
the air intake or outlet vents.
Don’t use the air conditioner
for other purposes, such as
drying clothes, preserving foods, etc.
To adjust the airflow direction
appropriately. When operating
the unit, to adjust the vertical air flow dire-
ction by use of remote controller.And then,
Swing louver Guide louver
Please don't cut off or damage the
power cords and control cords.
If they are damaged, please ask the qualified
personnel to change them.
Notices for operation
hold two ends of swing louver to adjust the
horizontal airflow.

3
Working principle and special functions for cooling
Principle:
Air conditioner absorbs heat in the room and transmit to outdoor and discharged, so that
indoor ambient temperature decreased, its cooling capacity will increase or decrease by
outdoor ambient temperature.
Anti-freezing function
If the unit is running in COOL mode and in low termperature, there will be frost formed on
the heat exchanger, when indoor heat exchanger temperature decreased below 32 , the
indoor unit microcomputer will stop compressor running and protect the unit.
Working principle and special functions for heating
Principle:
*Air conditioner absorbs heat from outdoor and transmits to indoor, in this way to increase
room temperature. This is the heat pump heating principle, its heating capacity will be
reduced due to outdoor temperature decrease.
*If outdoor temperature becomes very low, please operate with other heating equipments.
Defrosting:
*When outdoor temperature is low but high humidity, after a long while running, frost will
form on outdoor unit, that will effect the heating effect, at this time, the auto defrosting
function will act, the heat running will stop for 8-10mins.
*During the auto defrosting, the fan motors of indoor unit and outdoor unit will stop.
*During the defrosting, the indoor indicator flashes, the outdoor unit may emit vapor.
This is due to the defrosting, it isn't malfunction.
*After defrosting finished,the heating will recover automatically.
Anti-cool wind function:
In Heat mode, the following three kinds of status, if indoor heat exchanger hasn't achieve
certain temperature that indoor fan motor will not start, in this way to prevent blowing cool
wind (within 3mins):
The climate type of this unit is according to the nameplate.
Installation must be performed in accordance with the NEC/CEC by authorized person only
Notices for use
F
o

4
˄˅
˄˅
˄˅
˄˅
(3)
(6)
˄˅
˄˅
Names and functions of each part
Indoor unit
Air in
Air out
Front panel
Filter
Guide louver
Wall pipe
Bind tape
Connection wire
Drainage pipe
Remote control
Outdoor unit
Ł
ņ
Ņ
ł
ň
ń
Ň
Ń
Air out
Air in


Ɣ
AUTO
COOL
DRY
FAN
HEAT (Note:no for coolling
FAN FAN speed button
Press this button once, fan speed will change
as below: Auto
Low speed Middle speed
High speed
Note:Under the Dry mode, the fan speed isn't
Ɣ
Simpleness swing mode is defaulted for wireless
remote control, in this mode, press this button,
(ˇ/ˉ)
ćDŽ
Ɣ
Names and functions of remote control buttons
Note: Be sure that there are no obstructions between receiver and remote control; Don't drop
or throw the remote control; Don't let any liquid in the remote control and put the remote control
directly under the sunlight or any place where is very hot
.
Signal transmitter
Remote control
ON/OFF
ON/OFF button
Press this button, the unit will be started or stopped,
which can clear the timer or sleeping function of
last time.
Ɣ
only unit)
.PMET button
(ˇ/ˉ)
When press +button , the setting temp. will b e
increased by 1 ,When press -button,the
setting temp. will be decreased by 1
The temp. will be changed quickly
the button continuously and setting temp. range
ć
is
by pressing
Ɣ
Ɣ
Ɣ
Operation of remote control
Swing up and down button
ć
below.
Press this button, the running mode will change as
Mode button
MODE
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP
TIMER
SLEEP LIGHT
could turn on or turn off the Up and down
swing function.
When unit is turned off, synchronously press
"+" and Up and down swing buttons, it could
be switched between the simpleness swing
mode and stationary swing mode, at this time,
blinks 2 seconds.
In Stationary swing mode, press this button,the
angle for Up and down swing as show in below:
When up and down swing louver is working,
when turn off the unit, the siwng louver will
Ɣ
immediately stop at current position.
shows up and down swing louver swings back
and forth as show in the above figure.
adjustable, low fan speed is imperative,
but when operating this button, the wireless
remote control will send this signal.
(61 F~86 F).
oo


HEALTH function:there is no this function
for this unit. If press this key, the main unit
will click, but it also runs under original status.
wireless remote control, fan speed automatically
rotates, when repress this button, the fan speed
will run at previous setting fan speed.
HEALTH SAVE
HEALTH SAVE
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP
TIMER
SLEEP LIGHT
Operation of remote control
TIMER
Ɣ
NOTE: This Remote control is universal, it could be used formany units, some buttons
of this control which are not available to this unit will not be described below.
On the status of the unit on, press this
button to set timer off. On the status of
the unit off, press this button to set timer
off. Press this key once, words Hour on(off)
will appear and flicker. In which case, press
+/- button to adjust time (press+/- button
the setting time range is from 0.5 to 24 hr. ;
continuously to change timing value quickly ),
then remote controller will send out the signal
immediately and hour on/off will stop flickering.
If the time of that no press timer button
under flickering status is above 5s,the timer
setting will quit. If the timer has been set,
press this button once again to quit it.
press this key once again to fix the time,
Ɣ
ƔSave energy function: this unit has no this
function, press this button, the mian unit will
click, "SE" will be displayed on the LCD of
Remote control
TURBO Turbo button
Set turbo on or off(the characters of turbo
will appear or disappear ) by pressing this
Ɣ
key under cooling or heating mode.Once
energized, the unit will be defaulted to be
turbo off. This function can not be set under
of turbo won't appear.
auto, dehumidify or fan mode, and characters
button
Timer button
Names and functions of remote control buttons
,EFTANDRIGHTSWINGBUTTON
There is no this function for this unit. If press
this key, the main unit will click, but it also
runs under original status.
Ɣ


1 , 2 hours later setting temp.
Ɣ
ć
Ɣ
Ɣ
Ɣ
Ɣ
NOTE: This remote control is universal, it could be used formany units, some
buttons of this control which are not available to this unit will not be
described below.
Names and functions of remote control buttons
Operation of remote control
X-FAN button
Set X-FAN on (the characters of X-FAN will
appear)or off (the characters of X-FAN
disappear ) by pressing this key under
cool or dehumidify mode. Once energized,
the unit will be defaulted to be X-FAN off.
This function can not be set under auto,
fan or heat mode, and the characters of
X-FAN won't appear.Note:X-FAN (or BLOW
Press this button to select LIGHT on or off
in the displayer. When the LIGHT on is
set,the icon will be displayed and the
indicator light in the displayer will be on.
When the LIGHT off is set, the icon will
be displayed and the indicator light in the
displayer will be off.
Light button
LIGHT
Press this button, enter into SLEEP state,
when repressed, it will quit. The sleep function
and FAN mode.
will be canceled with the stop of the unit.
There is no SLEEP function under AUTO
is the icon for sleep
function.
SLEEP Sleep button
At COOL, X-FAN mode: the SLEEP mode runs
after 1hour, the setting temp. will be increased
by 1 , 2 hour later, setting temp. will be
increased by 2 and then will run at this
setting temperature.
after 1hour, the setting temp will be
At HEAT mode: the SLEEP mode runs
decreased by
, then it will run
at setting temperature.
ć
ć
ć
will be decreased by
2
Remote control
X-FAN
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP
TIMER
SLEEP LIGHT
TEMP Temp. display button
There is no this function for this unit. If press
this key, the main unit will click, but it also
runs under original status.
Ɣ
same function,different name)

Guide for operation-general operation
ƾ
cheduled timer on or timer off.
ON/OFF
MODE
FAN
X-FAN
TURBO SLEEP LIGHT
TEMP TIMER
ON/OFF
MODE
FAN
X-FAN
TURBO SLEEP LIGHT
TEMP TIMER
1.Press ON/OFF button to start the unit after powering
the main unit on.(Note: Power the unit on every time,
the big -guide louver and small-guide louver will be
closed firstly.)
2.Press MODE button to select desired running mode.
3.Press +/ - button to set the desired temperature.
(It is unnecessary to set the temperature at AUTO mode)
4. Press FAN button to set fan speed, the AUTO FAN,
LOW, MID or HIGH could be selected.
5. Press button to set swing mode.
1.Press SLEEP button, set the sleep mode.
2.Press TIMER button, then press +/- button, to set the
3. Press light button to control displayer light on or off.
4. Press X-FAN button to set X-FAN function on or off.
5. Press turbo button to set this function on or off.
Guide for operation-optional operation
Introduction for special function
This function indicates that moisture on evaporator of indoor unit will be blowed after the unit
About X-FAN function
is stopped to avoid mould.
1. Having set X-FAN function on: After turning off the unit by pressing ON/OFF button
indoor fan will continue running for about 10 min. at low speed. In this period,
press X-FAN button to stop indoor fan directly.
2. Having set X-FAN function off: After turning off the unit by pressing ON/OFF button,
the complete unit will be off directly.
Operation of remote control

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Slightly to press the place with , along the arrowhead direction to push the back cover of wireless
remote control. (As show in figure)
Take out the old batteries. (As show in figure)
Insert two new AAA1.5V dry batteries, and pay attention to the polarity.
(As show in figure)
Attach the back cover of wireless remote control. (As show in figure)
When changing the batteries, do not use the old or different batteries,
If the wireless remote control will not be used for a long time, please
otherwise, it can cause the malfunction of the wireless remote control.
take them out, and don't let the leakage liquid damage the wireless
remote control.
The operation should be in its receiving range.
It should be placed at where is 1m away from the TV set or stereo sound sets.
If the wireless remote control can not operate normally, please take them out,
after 30s later and reinsert, if they cannot normally run, please change them. Sketch map for
changing batteries
127( Fig.1
Fig.2
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ƾAbout lock
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will be displayed on it, in which case, press any button, the mark will
When AUTO RUN mode is selected, the setting temperature will not be displayed on the
LCD, the unit will be in accordance with the room temp. automatically to select the suitable
running method and to make ambient comfortable.
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If start this function, the unit will run at super-high fan speed to cool or heat quickly so that
the ambient temp. approachs the preset temp. as soon as possible.
Press +and - buttons simultaneously to lock or unlock the keyboard. If the remote controller
is locked, the icon
flicker for three times. If the keyboard is unlocked, the mark will disappear.
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Under status of unit off, press MODE and - buttons simultaneously to switchćDQG
Operation of remote control
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Emergency Operation
Emergency Operation
When the wireless remote control is lost or damaged, please use the manual switch, at
this time, it is running in Auto Run mode that will not change the temperature setting
value and fan speed.
The manual switch can be operated as follow:
At operation: When the unit stopped running,
press ON/OFF button, unit will enter into AUTO
RUN mode. The microcomputer will accord to
the room temperature to select the (COOL,
HEAT, FAN) mode automatically, to obtain the
comfortable effect.
At stopping:When the unit is running, press the
ON/OFF button of the manual switch, the unit
will stop work.
Manual Switch
AUTO/STOP
Displayer indicator light control of indoor unit
It's a special selective button for the users ,who are not accustomed to the
light at sleeping.
Get the displayer indicator light on: When setting the light function,the mark will
pressing this button. In which case,the diss-
player indicator light will be on if the AC receives
Get the displayer indicator light off: If cancel the light function,the mark will disap-
per on the remote controller screen by pressing this
button. In which case, the displayer indicator light will
be off if the AC receives this signal.
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display on the remote controller screen by
this signal.

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Clean with a soft brush, water and neutral dete-
rgent and then dry it.(Note: Before cleaning the
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on the front panel. Never use the water above
45
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Check before use
Be sure that nothing obstructs the air outlet and intake
vents.
Check that whether ground wire is properly connected
or not.
Check that whether the batteries of air conditioner are
changed or not.
Check that whether the installation stand of the outdoor
unit is damaged or not. If damaged, please contact the dealer.
Maintain after use
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(a)
(b)
Clean and care
Take down the air filter
Cleaning
Reinsert the filters
Reinsert the filters along with the arrow head, then cover
the surface panel and clasp it.
To clean the dust adhering to the filters, you can either
use a vacuum cleaner, or wash them with warm water
(the water with the neutral detergent should below 45 ć
When the filters are very dirty (such as oil stain), and
dry it in the shade.
NOTE: Never use water above 45 ćto wash, or it can
cause deformation or discoloration. Never partch it by
fire, or can cause a fire or deformation.
At the slot of surface panel to open an angle, pull the
air filter downward and take it out.
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Turn main power off.
Clean the filter and indoor and outdoor units' bodies.
Clear dust and obstructions from the outdoor unit.
Repaint the rubiginous place on the outdoor unit to prevent it from spreading.
Adopt the special shield to cover the outdoor unit, avoid the rain water, dust enter into
the unit and get rust.

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Troubleshooting
The unit can not run.
Break off
Cooling(Heating) efficiency is not good.
Wireless remote control is not available.
If water leakage in the room.
If water leakage in outdoor unit.
Noise from indoor unit emitted.
Phenomenon Troubleshooting
Has the power been shut down?
Is voltage higher or lower?
(Tested by professionals)
Is the Timer correctly used?
Is the circuit protection device tripped off or not?
Is Temp. setting suitable?
Were inlet and outlet vents obstructed?
Are the windows and doors closed?
Did Fan speed set at low speed?
Is there any heat sources in the room?
The unit is interfered by abnormal or frequent
functions switchover occasionally the controller
cannot operate. At this time, you need to pull
out of the plug, and reinsert it.
Is it in its receiving range? Or obstructed?
To check the voltage in wireless remote control
inside is charged, otherwise to replace the
batteries.
Whether the wireless remote control is damaged.
The air humidity is on the high side.
Condensing water over flowed.
The connection position of indoor unit drainage
pipe is loosed.
When the unit is running in COOL mode, the
pipe and connection of pipe would be condensed
due to the water cooled down.
When the unit is running in Auto Defrosting mode,
the ice thawed and flowed out.
When the unit is running in HEAT mode, the
water adhered on heat exchanger dripped off.
The sound of fan or compressor relay is switching
on or off.
When the defrosting is started or stop running,
it will sound. That is due to the refrigerant flowed
to the reverse direction.
Does power plug come loose from the socket?
Is there too much dusts accumulated and
obstructed the filter?

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Make sure that the Live wire or Zero line as well as the earth wire in the family power
socket can not be wrong connected, there should be reliable and no short circuit in the
diagram.
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3. The appliance shall be installed in accordance with national wiring regulations.
4. 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 supervision or instruction concerning use of the appliance by a
person responsible for their safety.
5. Children should be supervised to ensure that they do not play with the appliance.
6. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent
or similarly qualified persons in order to avoid a hazard.

Installation dimension diagram
18
mc05
Installation dimension diagram
Space to the ceiling
Above
Above Above
Above
Space to the wall
Space to the wall
Space to the wall
Above
Above
Above
mc03
50cm
020
15cm 15cm
300
cm 2
15
cm
Space to the floor
Air outlet side
Space to the obstruction
Air outlet side
Air inlet side
Above
mc02mc0
Above
30cm
Above
cmcm
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Installation dimension diagram
The dimensions of the space necessary for correct
installation of the appliance including the minimum
permissible distances to adjacent structures
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