Friedrich MWM18Y3J User manual

Models
Indoor Unit
Outdoor Unit
MWM18Y3J MWM24Y3J
MRM18Y3J MRM24Y3J
960-910-06

This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities or lack of experience and knowledge, un-
less they have been given supervision or instruction concerning use of the appli-
ance by a person responsible for their safety.
Children should be supervised to ensure they are away from the appliance.
Do not dispose this product as unsorted municipal waste. Collection of
such waste separately for special treatment is necessary.
Content
Operation Notices
Precautions............................................................................................................1
Parts name ............................................................................................................2
Remote Screen Operation Guide
Buttons on remote controller .................................................................................3
Introduction for icons on display screen ................................................................3
Introduction for buttons on remote controller .........................................................4
Function introduction for combination buttons .......................................................7
Operation guide .....................................................................................................8
Replacement of batteries in remote controller .......................................................8
Emergency operation ............................................................................................9
Maintenance
Clean and maintenance.........................................................................................9
Trouble Shooting
Basic Trouble shooting ........................................................................................12
Installation Notice
Installation dimension diagram ............................................................................16
Tools for installation .............................................................................................17
Selection of installation location ..........................................................................17
Requirements for electric connection ..................................................................18
Installation
Installation of indoor unit......................................................................................19
Installation of outdoor unit ...................................................................................24
Vacuum pumping .................................................................................................29
Leakage detection ...............................................................................................28
Check after installation ........................................................................................30
Test and operation
Test operation ......................................................................................................30
Attachment
Pipe expanding method .......................................................................................31

1
Precautions
Warning
● Do not connect air conditioner to multi-purpose socket.Otherwise, it may
cause fire hazard
● Disconnect power supply when cleaning air conditioner. Otherwise, it may
cause electric shock.
● Do not spray water on indoor unit. It may cause electric shock or malfunction.
● Do not spill or submerge remote controller in liquids, remote may
malfunction or no longer operate.
● Do not repair air conditioner by yourself. It may cause electric shock or
damage. Please contact dealer when you need to repair air conditioner.
● Do not block air outlet or air inlet. It may cause malfunction.
●If you need to relocation of air conditioner is required please contact
licensed authorize service or contact dealer for more information. Otherwise
personal injury or damage can occur.
● Do not step on top panel of outdoor unit, or put heavy objects. It may cause
damage or personal injury.
● Do not extend fingers or objects into air inlet or air outlet. It may caus
personal injury or damage.
● Air Conditioner should be properly grounded. Incorrect grounding may cause
electricshock.
●Do install the diconnect. If not, it may cause malfunction.
● Installation and maintenance must be performed by qualified professionals
Otherwise, it may cause personal injury or damage.
Working temperature range
Indoor side DB/WB(°F/℃) Outdoor side DB/WB(°F/℃)
Maximum cooling 89.6/73.4(32/23) 109.4/78.8(43/26)
Maximum heating 80.6/-(27/-) 75.2/64.4(24/18)
Indoor side DB/WB(°F/℃) Outdoor side DB/WB(°F/℃)
Maximum cooling 89.6/73.4(32/23) 115/78.8(46/26)
Maximum heating 80.6/-(27/-) 75.2/64.4(24/18)
The operating temperature range (outdoor temperature) for cooling only unit is
5°F(-15°C) ~ 118°F(48℃) ; for heat pump unit is -4°F(-20℃) ~ 75°F(24℃) .
The operating temperature range (outdoor temperature) for cooling only unit is
5°F(-15℃) ~ 115°F(46℃ ); for heat pump unit is 19°F(-7℃) ~ 75°F(24℃ ).
MM24YJ
MM18YJ

2
Parts name
Indoor Unit
Outdoor Unit
air inlet panel
filte
horizontal louver
air outlet
heating indicator
temp. indicator
cooling indicator
power indicator
receiver window
aux.button
drying indicator
display
remote control
air inlet
handle
handle
air outlet
Notice:
Actual product may be different from above graphics, please refer to actual
products.

MODE
(AUTO/COOL/DRY/FAN/HEAT).
setting.
: Press to decrease temperature
setting.
FAN
Press it set swing angle.
TIMER ON
CLOCK
TEMP
TIMER OFF
Press to set auto-off timer
TURBO
SLEEP
LIGHT
Press it to set auto-on timer.
Press to set clock.
1
6
7
5
3
2
4
11
10
14
9
12
13
15
Operation of Remote Controller
3
9
10
13
12
5
4
11
8
7
21
6
8
Press to turn on/off the light.
Press to start or stop operation.
: Press to increase temperature
Press to set fan speed.
Press to select operation mode
SENSOR
AIR SWEEP
EXTEND
AUTO
15
14
START / STOP
3

DIGITAL display:
This area will show the set tempe-
rature.
LOCK icon:
is displayed by pressing "+"
and “-” buttons simultaneously. Press
them again to clear the display.
LIGHT icon:
is displayed by pressing the
LIGHT button. Press LIGHT button
again to clear the display.
22
MODE icon:
If MODE button is pressed,
current operation mode icon
(AUTO), ( COOL),
(DRY), (FAN) or (HEAT
only for heat pump models) will show.
18
is displayed when pressing
display.
After pressing TIMER button, ON or
OFF will blink.This area will show
the set time.
SET TIME display:
Pressing TEMP button,
(set temperature),
ambient temperature)
(outdoor ambient temperature)
and blank is displayed circularly.
(indoor
TEMP icon:
SLEEP icon :
is displayed by pressing
the SLEEP button. Press this
button again to clear the display.
19
is displayed when pressing the
nottub siht sserP.nottub OBRUT
again to clear the display.
TURBO icon:
Operation of Remote Controller
icon:
AIR SWEEP
16
17
21
20
23
24
16
1718 19 20 21
22
23
24
the button.
AIR SWEEP
Press this button again to clear the
27 26
25
4

is displayed when pressing the
again to clear the display.
Press FAN button to select the
desired fan speed setting (AUTO-
Low-Med-High).Your selection will
be displayed in the LCD windows,
except the AUTO fan speed.
FAN SPEED display:
is displayed when pressing the
to clear the display.
Operation of Remote Controller
icon:
SENSOR
icon:
EXTEND
EXTEND
button. Press this button
26
25 27
16
1718 19 20 21
22
23
24
27 26
25
5
SENSOR
button. Press this button
again

Pressing CLOCK button,
blinks. Within 5 seconds , pressing + or - button adjusts the
CLOCK :
present time. Holding down either button above 2 seconds increases or decreases the
time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During
blinking after setting, press CLOCK button again to confirm the setting, and then
will be constantly displayed.
7
Remote Controller Description
:
This button is used for setting Fan Speed in the sequence that goes from AUTO,
to then back to Auto.
,,,
FAN :
6
MODE :
5
Each time you press this button, a mode is selected in a sequence that goes from AUTO,
COOL,DRY, FAN,and HEAT *, as the following:
AUTO COOL DRY FAN HEAT *
*Note: Only for models with heating function.
After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not
be displayed on the LCD, and the unit will automatically select the suitable operation
mode in accordance with the room temperature to make indoor room comfortable.
1
3
2
4
Press this button to turn on the unit .Press this button again to turn off the unit.
Press this button to decrease set temperature. Hold it down for 2 seconds or more
to rapidly decrease set temperature. In AUTO mode, set temperature is not
adjustable.
Press this button to increase set temperature. Hold it down for 2 seconds or more
to rapidly increase set temperature. In AUTO mode, set temperature is not
adjustable.
Auto
Low speed Medium speed High speed
Remote Control Instructions
SENSOR (SAVE)
:
Press this button to turn on SENSOR(SAVE) function. Saves room ambient temperature
and automatically adjusts maintaining that room ambient until pressed again which
cancels the SENSOR(SAVE) function.
START / STOP:
AUTO
6

13
TEMP:
ambient temperature, 5s later or within 5s, it receives other remote control signal that will
return to display the setting temperature. if the users haven't set up the temperature
displaying status,that will display the setting temperature.(This function is not applicable
for some models).
TIMER ON :
TIMER OFF :
11
10
TURBO:
12
Press this button to initiate the auto-ON timer. To cancel the auto-timer program, simply
press this button again.
After pressing this button, disappears and "ON "blinks
. 00:00 is displayed for ON time
setting. Within 5 seconds, press + or - button to adjust the time value. Every press of either
button changes the time setting by 1 minute. Holding down either button rapidly changes the
time setting by 1 minute and then 10 minutes. Within 5 seconds after setting, press TIMER
ON button to confirm.
Press this button to set up & down swing angle, which circularly changes as below:
OFF
This remote controller is universal. If any command , or is sent out,
the unit will carry out the command as
indicates the guide louver swings as:
fan will continue operation for 10 min utes in order to dry the indoor unit even though you
have turned off the unit.
HEAT mode.
Press this button to activate / deactivate the Turbo function which enables the unit to
reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong
cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air
at super high fan speed. (This function is not applicable for some models).
Press this button to initiate the auto-off timer. To cancel the auto-timer program, simply
press the button again.TIMER OFF setting is the same as TIMER ON.
9
8
AIR SWEEP:
EXTEND(DRY):
Pressing button in COOL or DRY mode, the icon is displayed and the indoor
After energization, OFF is defaulted. is not available in AUTO, FAN or
EXTEND
EXTEND EXTEND
Remote Control Instructions
the indoor setting temperature or indoor ambient
By pressing this button you can display
temperature.When the indoor unit it will display the setting temperature,
is first powered on
if the temperature's display status is changed from other status to" ",displays the
7

★
●
●
●
●
1.Remove the battery cover plate from the rear of the remote controller.
(As shown in the figure)
2.Take out the old batteries.
3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity
(+/-).
4. Reinstall the battery cover plate
Notes:
When replacing the batteries, do not use old or different types of
batteries, it may cause malfunction.
If the remote controller will not be used for a long time, please remove
batteries to prevent batteries from leaking.
Remote should be kept 3 feet away from the TV set or stereos.
If the remote controller does not operate normally, remove batteries and
reinsert after 30 seconds. If abnormal operation continues, replace the
batteries.
Diagram for removal of
batteries
Replacement of Batteries
Press "+" and "-" buttons simultaneously to lock or unlock the keypad. If the remote
controller is locked, is pressing any button, blinks
three times.
℃℉
SLEEP:
LIGHT:
16
Press this button to go into the SLEEP operation mode. Press it again to cancel this
Press LIGHT button to turn on the display's light and press this button again to turn off
disappears.
Combination of "+" and "-" buttons: About lock
14
15
or DRY mode to maintain the most
comfortable temperature for you.
Remote Control Instructions
17 Combination of "MODE" and "-" buttons:
, press "MODE"
displayed. In this case,
Allows you to toggle between Fahrenheit and Celsius.
When the unit is OFF
and "-"buttons simultaneously to switch between and .
8
the display's light. If the light is turned on, is displayed. If the light is tunrned off ,
function. This function is available in COOL