Friedrich M18CJ User manual

TYPE : WALL MOUNTED
Applied Models : M18CJ
M24CJ
Operations Manual
ENGLISH FRANÇAIS ESPAÑOL
960-912-02

2TIPS FOR SAVING ENERGY
ENGLISH
TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air
conditioner. You can use your air conditioner more efficiently by referring to the instructions
below:
• Do not cool excessively indoors. This may be harmful for your health and may consume
more electricity.
• Block sunlight with blinds or curtains while you are operating the air conditioner.
• Keep doors or windows closed tightly while you are operating the air conditioner.
• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, in a short period of time.
• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air con-
ditioner is used for many hours.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may
block the air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :

IMPORTANT SAFETY INSTRUCTIONS 3
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak per-
formance of your product
WARNING
It can result in serious injury or death when the directions are ignored
CAUTION
It can result in minor injury or product damage when the directions are ignored
WARNING
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Installation MUST conform with local building codes or, in the absence of local codes, with the
Nation Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical
Code Part1 CSA C.22.1.
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments.
• Failure to carefully read and follow all instructions in this manual can result in equipment mal-
function, property damage, personal injury and/or death.
Power
• Unplug the power plug immediately in the event of a blackout or thunderstorm. Failure to do so
may result in fire or electric shock.
• Always use a power plug and socket with a ground terminal. Failure to do so may result in
electric shock or product failure.
• Install a dedicated electric outlet and circuit breaker before you use the air conditioner. Failure
to do so may result in electric shock or product failure.
• Do not connect the ground wire to a gas pipe, a lightning rod or a telephone ground wire. It
may result in electric shock or product failure.
• Use a standard circuit breaker and fuse conforming with the rating of the air conditioner. Fail-
ure to do so may result in electric shock or product failure.
• Make sure to check that the power cable plug is not dirty, loose or broken and then only insert
the plug completely. It may result in electric shock or product failure.
• Do not modify or extend the power cable. If the power cable or cord has scratches or skin
peeled off or deteriorated then it must be replaced. It may result in fire or electric shock.
• Don’t use a power cord, a plug or a loose socket which is damaged. It may result in fire or
electric shock.
• Do not use a damaged power cord or plug. It may result in electric shock or product failure.
• Do not touch, operate or repair the air conditioner with wet hands. It may result in electric
shock or product failure.
• Make sure that the power plug is not damaged when you move the air conditioner. Failure to
doc so may result in electric shock or product failure.
!
!
!

4IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
• Do not place a heater or other heating appliances near the power cable. It may result in fire,
electric shock, or product failure.
• Make sure that the power cord is not pulled or damaged while the air conditioner is operating.
Failure to do so may result in fire, electric shock, or product failure.
• Do not place any objects on the power cord. It may result in electric shock or product failure.
Installation
• Do not install the air conditioner on an unstable surface or where there may be a danger of it falling.
It may result in death, serious injury, or product failure.
• Contact an authorized service center when you install or relocate the air conditioner. Failure to do so
may result in serious injury or product failure.
• Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly
so that there is no force pulling the cable from the connection terminals. Improper or loose connec-
tions can cause heat generation or fire.
• Install the panel and the cover of the control box safely. Failure to do so may result in explosion or
fire.
• Do not install the air conditioner near a place with a danger of explosion or fire. It may result in explo-
sion or fire.
• Make sure that the pipe and the power cable that connect the indoor unit and the outdoor unit are not
pulled tight when you install the air conditioner. Failure to do so may result in electric shock or prod-
uct failure.
• Do not mix air or gas in the system except for the specific refrigerant. If air enters the refrigerant sys-
tem, it may result in an excessively high pressure that causes injury or damage to the equipment.
Use
• Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the
equipment. It may result in death, serious injury, or product failure.
• Do not pull the power cord when you remove the power plug. It may result in death or electric shock.
• Discard the batteries where there is no danger of fire. Failure to do so may result in explosion or fire.
• Contact an authorized service center when the air conditioner is submerged into water due to flood-
ing. Failure to do so may result in explosion or fire.
• Only use components that are approved by the manufacturer and do not repair or modify them. Fail-
ure to do so may result in electric shock or product failure.
• Only use the refrigerant specified on the air conditioner label. It may result in explosion or fire.
• Do not allow water to run into the air conditioner. It may result in explosion or fire.
• Do not leave flammable substances such as gasoline, benzene and thinner near the air conditioner.
It may result in explosion or fire.
• Do not use the air conditioner for an extended period of time in a small place without ventilation. Ven-
tilate the place regularly. Failure to do so may result in explosion or fire.
• Do not touch the electrostatic filter after opening the front grille. Failure to do so may result in electric
shock or product failure.
• For inner cleaning, contact an Authorized Service Center or a dealer.
Do not use harsh detergent that causes corrosion or damage on the unit.
Harsh detergent may also cause failure of product, fire, or electronic shock.

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
• Unplug the power plug if there is a noise, smell or smoke coming from the air conditioner. Fail-
ure to do so may result in explosion or fire.
• Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as a
heater are used simultaneously. Failure to do so may result in fire, serious injury, or product
failure.
• Make sure that children do not climb up the outdoor unit or impact it. Failure to do so may re-
sult in death or product failure.
• Do not turn on or off the air conditioner by plugging in or unplugging the power plug. It may re-
sult in fire or electric shock.
• When there is a gas leak, ventilate sufficiently before using the air conditioner again. Failure to
do so may result in explosion or fire.
• Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a
consumer air conditioner, not a precision refrigeration system. It may result in death, fire or
electric shock.
• Do not block the inlet or outlet of air flow. It may result in explosion or product failure.
• Do not insert hands or other objects through the air inlet or outlet while the air conditioner is
operating. It may result in electric shock.
• Do not expose people, animals or plants to the cold or hot wind from the air conditioner. It may
result in serious injury.
• Do not drink the water drained from the air conditioner. It may result in serious health complica-
tions.
Maintenance
• Turn the main power off and unplug the power plug when you clean or repair the air condi-
tioner. Failure to do so may result in death, serious injury, or product failure.
CAUTION
Installation
• Do not install the air conditioner where there is direct sunlight. It may result in product failure.
• Safely dispose of packing materials such as screws, nails or batteries in a packing bag after installa-
tion or repair. It may result in serious injury.
• Do not install the air conditioner where it will be exposed to sea wind (salt spray) directly. It may re-
sult in product failure.
• Install the drain hose properly for smooth drainage of condensed water. Failure to do so may result in
product failure.
• Install the air conditioner where the noise from the outdoor unit or the exhaust gas will not inconven-
ience the neighbors. Failure to do so may result in conflict between neighbors.
• Be cautious when you unpack or install the air conditioner. Failure to do so may result in serious in-
jury or product failure.
• Do not touch the refrigerant leakage during installation or repair. It may result in product failure.
• When transporting the equipment, there should be at least 2 or more people, or a forklift. It may re-
sult in serious injury.
!
IMPORTANT SAFETY INSTRUCTIONS 5
ENGLISH

6IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
Use
• Remove the batteries when the remote control is not in use for an extended period of time.
Failure to do so may result in product failure.
• Make sure that the filter is installed before you operate the air conditioner. Failure to do so may result
in product failure.
• Unplug the power plug when the air conditioner is not used for an extended period of time.
Failure to do so may result in product failure.
• Make sure to check if there is a refrigerant leak after you install or repair the air conditioner.
Failure to do so may result in product failure.
• Do not place any objects on the air conditioner. It may result in product failure.
• If there is a refrigerant leak during the installation of the air conditioner, ventilate the area immedi-
ately. Failure to do so may result in serious injury or product failure.
• Follow the standards of the corresponding region or country for handling the refrigerant and the air
conditioner, and for disassembling the air conditioner. Failure to do so may result in product failure.
• Do not mix the batteries for the remote control with other types of batteries or mix new batteries with
used batteries. Failure to do so may result in product failure.
• Do not recharge or disassemble the batteries. Failure to do so may result in explosion, fire or serious
injury.
• Do not dispose of the batteries in fire. It may result in explosion or fire.
• Stop using the remote control if there is a battery fluid leak. If your cloth or skin is exposed to the bat-
tery fluid from a leak, wash it off with clean water. Failure to do so may result in serious injury.
• If you swallow the battery fluid from a leak, wash out the inside of your mouth thoroughly and then
consult a doctor. Failure to do so may result in serious health complications.
• Do not let the air conditioner run for a long time when the humidity is very high or when a door or win-
dow has been left open. Failure to do so may result in product failure.
• Do not use the product for special purposes,such as preserving foods, works of art, etc. It is a con-
sumer air conditioner, not a precision refrigeration system. There is risk of damage or loss of prop-
erty.
Maintenance
• Do not use strong cleaning agents or solvents when you clean the air conditioner, or spray water.
Use a smooth cloth. It may result in serious injury or product failure.
• Never touch the metal parts of the air conditioner when you remove the air filter. It may result in seri-
ous injury or product failure.
• Use a sturdy stool or ladder when you clean, maintain or repair the air conditioner at a height.
Failure to do so may result in serious injury or product failure.

TABLE OF CONTENTS 7
TABLE OF CONTENTS
2 TIPS FOR SAVING ENERGY
3IMPORTANT SAFETY
INSTRUCTIONS
8BEFORE USE
8Components
9Using the remote control
11 BASIC FUNCTIONS
11 Cooling your room
11 Removing humidity
12 Airing your room
12 Adjusting the fan speed
12 Adjusting the air flow direction
12 Setting the timer
12 - Setting the current time
13 - Turning on the air conditioner
automatically at a set time
13 - Turning off the air conditioner
automatically at a set time
13 - Canceling the timer setting
13 Setting sleep mode
14 ADVANCED FUNCTIONS
14 Changing room temperature quickly
14 Indoor air purification
14 - Auto Clean operation
15 Auto operation
15 Auto Changeover operation
15 °C/°F Conversion
16 Energy saving cooling mode
16 Display screen brightness
16 Operating the air conditioner without the
remote control
17 Restarting the air conditioner
automatically
18 MAINTENANCE
20 Cleaning the air filter
21 TROUBLESHOOTING
21 Self-diagnosis function
21 Before requesting service
ENGLISH

8BEFORE USE
ENGLISH
Air inlet vents
Air outlet vents
Connecting
wires
Refrigerant pipes
Drain hose
Base plate
BEFORE USE
Components
Outdoor unit
Front grille
Air inlet
Operation lamp
Air outlet
Air deflector
(Vertical louver & Horizontal vane)
Signal receiver
On/ Off button
NOTE
!
The number of operation lamps and their locations may vary, depending on the model of the
air conditioner.
Indoor unit
* The feature can be changed according to type of model.
* The feature can be changed according to type of model.
Operation ranges
The table below indicates the temperature ranges the air conditioner can be operated within.
Mode Indoor temperature Outdoor temperature
Cooling 64.4°F~89.6°F(18°C~32°C) -0.4°F~118.4°F(-18°C~48°C)

BEFORE USE 9
ENGLISH
Using the remote control
You can operate the air conditioner more conveniently with the remote control. You will find the
buttons for the additional functions under the cover of the remote control.
Wireless remote control
Display
screen
Control
panel
* Some functions may not be supported, depending on the
model.
Control
panel
Display
screen Description
/
4Fan button : Fan only operation no
cooling
lSleep mode auto button*: Sets the
sleep mode auto operation.
_Temperature adjustment buttons:
Adjusts the room temperature when
cooling and heating.
|-On/Off button: Turns the power on/off.
gLIndoor fan speed button: Adjusts the
fan speed.
fAC
Operation mode selection button*:
Selects the operation mode.
Cooling operation (A) / Auto operation
or auto changeover (C) /
Dehumidifying operation ( )
Surge button*: Warms up or cools
down the indoor temperature within a
short period of time.
DE IJ Air flow direction button: Adjusts the
air flow direction vertically or horizon-
G-Adjusts the brightness of the indoor
unit display.
kSTemperature display button: Displays
the room temperature. Also changes unit
from °C to °F if pressed for 5 seconds.
mn Timer button: Sets the current time
and the start / end time.
O
PJG
Navigation and functions button*:
Sets the special functions.
J: Auto clean
G: Operates energy saving cooling
p-
Set/clear button: Sets or cancels functions.
r-Reset button: Resets the air condition-
er settings.

10 BEFORE USE
ENGLISH
Inserting batteries
Insert batteries before using the remote
control. The battery type used is AAA (1.5 V).
1 Remove the battery cover.
2Insert the new batteries and make sure
that the + and - terminals of the batteries
are installed correctly.
3Reattach the battery cover.
Installing the remote control holder
Install the holder where there is no direct sun-
light to protect the remote control.
1Choose a safe and easily-accessible place.
2Fix the holder by fastening the 2 screws
firmly with a screwdriver.
3Slide the remote control into the holder.
Point the remote control towards the signal
receiver at the bottom of the air conditioner to
operate it.
NOTE
!
If the display screen of the remote control
starts to fade, replace the batteries.
NOTE
!
• The remote control may operate other
electronic devices if pointed towards
them. Make sure to point the remote
control towards the signal receiver of the
air conditioner.
• For proper operation, use a soft cloth to
clean the signal transmitter and receiver.
• ON/OFF reserve mode doesn’t work
when equipped with a wired remote con-
troller.
Operating method

BASIC FUNCTIONS 11
ENGLISH
BASIC FUNCTIONS
Cooling your room
(Cooling operation)
1 Press |to turn on the power.
2 Press frepeatedly to select the cooling
operation.
- Ais displayed on the display screen.
3Press Gor Hto set the desired tempera-
ture.
- The temperature range is 64°F(18°C)-
86°F(30°C).
Removing humidity
(Dehumidifying operation)
This mode removes excess moisture from an
environment with high humidity or in the rainy
season, in order to prevent mold from setting
in. This mode adjusts the room temperature
and the fan speed automatically to maintain
the optimal level of humidity.
1 Press |to turn on the power.
2 Press frepeatedly to select the dehumid-
ifying operation.
- Dis displayed on the display screen.
NOTE
!
• In this mode you cannot adjust the room
temperature, as it is adjusted automati-
cally. Also, the room temperature is not
displayed on the display screen.

12 BASIC FUNCTIONS
ENGLISH
Fan Only Mode
This mode only circulates the indoor air
without changing the room temperature. The
cooling lamp lights up in air circulation mode.
1 Press |to turn on the power.
2 Press /to select the air circulation oper-
ation.
- Eis displayed on the display screen.
3Press gto adjust the fan speed.
Adjusting the fan speed
1Press grepeatedly to adjust the fan
speed.
- Select 5if you want natural air.
The fan speed adjusts automatically.
Adjusting the air flow direction
1 To adjust the direction of the air flow verti-
cally, press Drepeatedly and select the
desired direction.
- Select Ito adjust the direction of the air
flow automatically.
2 To adjust the direction of the air flow hori-
zontally, press Erepeatedly and select
the desired direction.
- Select Jto adjust the direction of the
air flow automatically.
Setting the timer
You can use the timer function to save energy
and to use the air conditioner more efficiently.
Setting the current time
1Press pand hold it for longer than 3 sec-
onds.
- The AM/PM icon flickers at the bottom of
the display screen.
NOTE
!
• Adjusting the air flow direction horizon-
tally may not be supported, depending
on the model.
• Adjusting the air deflector arbitrarily may
cause product failure.
• If you restart the air conditioner, it starts
to operate with the previously set direc-
tion of air flow, so the air deflector may
not match the icon displayed on the re-
mote control. When this occurs, press
Dor Eto adjust the direction of the
air flow again.
Remark Speed
High
Medium - High
Medium
Medium - Low
Low
Natural Wind

BASIC FUNCTIONS 13
ENGLISH
2Press Eor Fto select the minutes.
3Press pto finish.
Turning on the air conditioner auto-
matically at a set time
1Press m.
- The icon below flickers at the bottom of
the display screen.
2Press Eor Fto select the minutes.
3Press pto finish.
Turning off the air conditioner auto-
matically at a set time
1Press n.
- The icon below flickers at the bottom of
the display screen.
2Press Eor Fto select the minutes.
3Press pto finish.
Canceling the timer setting
1Press p.
- To cancel all timer settings, press p.
Setting sleep mode
Use the sleep mode to turn off the air condi-
tioner automatically when you go to sleep.
1Press |to turn on the power.
2Press l
3Press Eor Fto select the hour
(up to 7 hours).
4Press pto finish.
- Tis displayed on the display screen in
sleep mode.
NOTE
!
In the Cooling and Dehumidifying modes,
the temperature increases by 1.8°F(1°C)
after 30 minutes and by a further
1.8°F(1°C) after another 30 minutes for a
more comfortable sleep. The temperature
increases with up to 3.6°F(2°C) from the
preset temperature.

14 ADVANCED FUNCTIONS
ENGLISH
ADVANCED FUNCTIONS
The air conditioner offers some additional ad-
vanced functions.
Changing room temperature
quickly
(Surge)
This mode allows you to cool indoor air quickly
in summer.
1Press |to turn on the power.
2Press .
- SURGE, strong air blows out at a temper-
ature of 64°F(18°C) for 30 minutes.
Indoor air purification
Auto Clean operation
In the cooling and dehumidifying operations,
moisture is generated inside the indoor unit.
Use the auto cleaning function to remove such
moisture.
1Press O.
- Jis displayed on the display screen.
- If you turn off the power, the fan operates
for 30 minutes and cleans the inside of
the indoor unit.
NOTE
!
• This function may not be supported, de-
pending on the model.
NOTE
!
Some buttons cannot be used while the
auto cleaning function is in operation.

ADVANCED FUNCTIONS 15
ENGLISH
Auto operation
(Artificial intelligence)
In this mode, the fan speed and the tempera-
ture adjust automatically, based on the room
temperature.
1Press |to turn on the power.
2Press frepeatedly to select auto opera-
tion.
3Press Gor Hto select the desired oper-
ation code if the temperature is higher or
lower than the desired temperature.
Auto Changeover operation
This mode changes the operation mode auto-
matically to maintain the set temperature
at ±2°C.
1Press |to turn on the power.
2Press frepeatedly to select the auto
changeover operation.
- Cis displayed on the display screen.
3Press Gor Hto set the desired temper-
ature.
- The temperature range is 64°F(18°C)-
86°F(30°C).
4Press grepeatedly to select the fan
speed.
°C/°F Conversion
The unit changes from °C to °F or from °F
to °C if Room Temperature KEY is pressed for
5 seconds.
Code Description
2 Cool
1 Cool slightly
0Maintain
room
temperature
Heat slightly-1
Heat-2
NOTE
!
• In this mode, you cannot adjust the fan
speed, but you can set the air deflector
to rotate automatically.
• This function may not be supported, de-
pending on the model.
Cooling-only models
NOTE
!
This function may not be supported,
depending on the model.

16 ADVANCED FUNCTIONS
ENGLISH
Energy saving cooling mode
This mode minimizes power consumption dur-
ing cooling and increases the set temperature
to the optimal level for a more comfortable en-
vironment.
1Press |to turn the power on.
2Press frepeatedly to select the cooling
operation.
3Press P.
- Gis displayed on the display screen.
Display screen brightness
You can adjust the brightness of the indoor
unit display screen.
1Press G
to turn on/off the display screen.
Operating the air conditioner
without the remote control
You can use the On/Off button of the indoor
unit to operate the air conditioner when the re-
mote control is unavailable. However, the fan
speed is set to high.
1Open the front cover.
- Lift up both sides of the cover slightly.
2Press the On/Off button.
- For cooling-only models, the temperature
is set to 22°C.
NOTE
!
This function may not be supported,
depending on the model.
NOTE
!
This function may not be supported,
depending on the model.
NOTE
!
• Possible, Different temperature is dis-
played on between remote controller
and air conditioner during operation.
ON/OFF
button
* The feature can be changed according to
type of model.
* The feature can be changed according to
type of model.

ADVANCED FUNCTIONS 17
ENGLISH
Disabling auto restart
Restarting the air conditioner
automatically
When the air conditioner is turned on again
after a power failure, this function restores the
previous settings. This function is a factory de-
fault setting.
1Open the front cover.
- Lift up both sides of the cover slightly.
2Press the On/Off button and hold it for 6
seconds.
- The unit will beep twice and the lamp will
blink 6 times.
- To re-enable the function, press the On/
Off button and hold it for 6 seconds. The
unit will beep twice and the blue lamp will
blink 4 times.
* The feature can be changed according to
type of model.
* The feature can be changed according to
type of model.
ON/OFF
button
NOTE
!
If you press and hold the On/Off button for
3 – 5 seconds instead of 6 seconds, the
unit will switch to the test operation. In the
test operation, the unit blows out strong air
for cooling for 18 minutes and then returns
to the factory default settings.

18 ADVANCED FUNCTIONS
ENGLISH
MAINTENANCE
If the air conditioner will not be used for an extended of time, dry the air conditioner to maintain it
in best condition.
1Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power plug. There may
be internal damage if moisture is left in components.
2Before using the air conditioner again, dry the inner components of the air conditioner in Fan
mode for 3 to 4 hours. This will help to remove odor which is generated from moisture.
Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
* This may not be provided, depending on the model.
Air filter
* The feature can be changed according to type of model.
Type Description Interval
Air filter See “Cleaning the air filter.” 2 weeks
Indoor unit
Clean the Indoor unit surface by using a soft, dry cloth. Regularly
Clean the condensate drain pipe. Every 4 months
Clean the condensate drain pan. Once a year
Thoroughly clean the heat exchanger. Once a year
Replace the remote control batteries. Once a year
Outdoor unit
Use steam to clean the heat exchanger coils and the
panel vents. (consult with technician) Regularly
Clean the fan. Once a year
Clean the condensate drain pan. Once a year
Verify that all the fan assembly is firmly tightened. Once a year
Verify that electric components with jets of air. Once a year
Clean the electric components with jets of air. Once a year
Evaporator Coil Contact an HVAC technician Annually
Indoor blower wheel Contact an HVAC technician Annually
* Maintenance should be more frequent in areas with high occupancy, low air quality, or high air
pollution (or something like that)

MAINTENANCE 19
ENGLISH
CAUTION
• Turn off the power and unplug the power cord before you perform any maintenance; other-
wise it may cause electric shock.
• Never use water that is hotter than 40°C when you clean the filters. It may cause deforma-
tion or discoloration.
• Never use volatile substances when you clean the filters. They may damage the surface of
the product.
!
NOTE
!
• The location and shape of the filters may differ, depending on the model.
• Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected in
the coils may decrease the operational efficiency or increase energy costs.

20 MAINTENANCE
ENGLISH
Cleaning the Air filter
Clean the air filter once every 2 weeks or
more if necessary.
1Turn off the power and unplug the power
cord.
2Open the front cover.
- Lift up both sides of the cover slightly.
* The feature can be changed according to
type of model.
3Hold the knob of the air filter, lift it up
slightly and remove it from the unit.
* The feature can be changed according to
type of model.
4Clean the filter with a vacuum cleaner or
with warm water.
- If dirt is difficult to remove, wash the filter
in lukewarm water with detergent.
5Dry the filter in the shade.