13. PARTS LIST······················································47
14. OPTIONAL PARTS ······················BACK COVER
W As for parts lists, all sub number’s series are included.
E4E4
E3E3
E3E3
1
(When installed on the floor)
(When the air inlet grille is opened.)
Deodorizing filter
(gray sponge type)(option)
Air filter
Remote controller
Air inlet
Operation section
Air cleaning filter
(white bellows type)(option)
Front panel
Receiving section
Operation indicator lamp
Horizontal vane
Vertical vanes
Emergency
operation switch
(When installed on the ceiling)
ACCESSORIES
Item
Installation plate
Unit fixing screw
5 o 12mm
Wireless remote
controller
Remote controller
mounting hardware
Fixing screw for
3.5 o 16mm (Black)
Battery (AAA) for
remote controller
Drain hose
Drain pipe cover
Knockout cover
Screw for 4 o 10mm
2
2
1
1
2
2
1
1
1
2
Q'ty
TECHNICAL CHANGES
MCF-13NV-· MUCF-13NV-MCF-13NV-· MUCF-13NV-
1. Remote controller has changed.
SWING button is removed, but SWING MODE function is available by VANE CONTROL button.
MCF-18NV-· MUCF-18NV-MCF-18NV-· MUCF-18NV-
1. Remote controller has changed.
SWING button is removed, but SWING MODE function is available by VANE CONTROL button.
MCF-24NV-· MUCF-24NV-MCF-24NV-· MUCF-24NV-
1. Remote controller has changed.
SWING button is removed, but SWING MODE function is available by VANE CONTROL button.
2
MCF-13NV -MCF-18NV -MCF-24NV -
PART NAMES AND FUNCTIONS
E3E3E4
E4E4E3E3
E3E3E2E2
E3E3E2E2
INDOOR UNIT
2
MUCF-13NV -
WARMCOOL
Open the front lid.
E4
MUCF-18NV -MUCF-24NV -
E3E3
OUTDOOR UNIT
Air inlet
(back and side)
Piping
Drain hose
Air outlet
Drain outlet
MCF-13NV -MCF-18NV -MCF-24NV -
REMOTE CONTROLLER
Signal transmitting section
OUTDOOR UNIT
Air inlet
Piping
Drain hose
Air outlet
Drain outlet
E3E3E4
Operation display section
OPERATE /STOP
(ON /OFF)button
Open the front lid.
FAN SPEED CONTROL button
FAN SPEED CONTROL button
OPERATION SELECT button
OPERATION SELECT button
RESET button
RESET button
ON/OFF
ON/OFF
I FEEL
FAN
MODE
I FEEL
FAN
MODE
COOL
DRY
COOL
DRY
TOO
WARM
TOO
WARM
FAN
VANE
FAN
VANE
RESET
RESET
3
CLOCK
CLOCK
CLOCK
PM
AM
TOO
COOL
PM
AM
TOO
COOL
STOP
START
STOP
HR.
START
MIN.
HR.
MIN.
TEMPERATURE buttons
OFF-TIMER button
ON-TIMER button
HR. button
OFF-TIMER button
MIN. button
ON-TIMER button
(TIME SET button)
HR. button
CLOCK SET button
VANE CONTROL button
MIN. button
(TIME SET button)
CLOCK SET button
VANE CONTROL button
3
Indoor model
Function
Power supply
Capacity
Dehumidification
Air flow(High)
Power outlet
Running current
Power input
Auxiliary heater
Power factor
Starting current
Fan motor current
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Air direction
Sound level (High)
Fan speed (High)
Fan speed regulator
Thermistor RT11(at25:)
Thermistor RT12(at25:)
Outdoor model
Air flow (High)
Compressor motor current
Fan motor current
Model
Output
Winding
resistance(at20:)
Model
Winding
resistance(at20:)
Dimensions WOHOD
Weight
Sound level (High)
Fan speed (High)
Fan speed regulator
Refrigerant filling
capacity(R22)
Refrigerating oil (Model)
VANE MOTOR
VARISTOR
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
SR142~SR144
TB
52C
SOLID STATE RELAY
TERMINAL BLOCK
COMPRESSOR CONTACTOR
RT12
WHT
ORN
RED
BLK
MF
YLW
BLU
BRN
GRN/YLW
VG79B036H01
OUTDOOR UNIT
MODEL MUCF-13NV-
E3
TB
220-240V~
TO
INDOOR UNIT
CONNECTING
2W
N
WHTWHT
W
F
BLU
WHT
C1
RED
C
MC
S
R
BLK
GRN/YLW
C2
WHT
BLU
RED
1
2
3
WHT
BLK
RED
MF
1Slide the sleeve.
2Pull the wire while pushing the locking lever.
SYMBOLSYMBOLSYMBOLNAMENAMENAME
C1COMPRESSOR CAPACITOR
C2
NOTE:1. Use copper conductors only (For field wiring).
OUTDOOR FAN MOTOR CAPACITOR
2. “W” shows the terminals with a lock mechanism, so they cannnot be removed when you pull the lead wire.
Be sure yo pull the lead wire by pushing the locking lever (projected part) of the terminal with a finger.
MCTBTERMINAL BLOCK
FUSE 2AF
COMPRESSOR (INNER PROTECTOR)
MF
OUTDOOR FAN MOTOR (INNER PROTECTOR)
SG79B458H01
9
TO INDOOR UNIT
CONNECTING
220-240V~
GRN/YLW
TB
2
N
WHT
MF
MC
RED
ORN
WHT
BLK
RED
BLU
WHT
ORN
WHT
BLU
1
C2
RED
BLK
S
R
C
C1
F
2
3
4
INDOOR UNIT
MODEL MCF-18NV-
E3
N
L
TB
PE
GRN/YLW
N
2
DISP/
RECEIVER
P.C.BOARD
GRN/YLW
BLU
BRN
BLU
WHT
CN
101
AUTO RESTART
ASSY
22
CN
SR144
SR143
SR142
112
LDCOM
LDC11
LDC12
LDFH
LDFM
LDFL
WHT
ORN
RED
BLK
YLW
BLU
1
2
3
4
5
6
7
8
HIC1
HIC1
3
2
1
CN201
CN
113
5
CN
151
6
6
4
MV
SW/THERMO
P.C.BOARD
CN
104
5
5
4
52C
3
TRANS
F11
ELECTRONIC CONTROL P.C BOARD
RT11
C11
NR11
CIRCUIT BREAKER
POWER SUPPLY
~/N 220-240V
50Hz
TO OUTDOOR
UNIT
CONNECTING
REMOTE
CONTROLLER
220-240V~
SYMBOLSYMBOLSYMBOLNAMENAMENAME
C11
F11
HIC1
MF
NOTE:1. About the outdoor side electric wiring, refer to the outdoor unit electric wiring diagram for servicing.
INDOOR FAN MOTOR CAPACITOR
FUSE (3.15A)
DC/DC CONVERTER
FAN MOTOR (INNER PROTECTOR)
The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition.
Operating conditions vary according to the areas where these units are installed. The following information has been provided
to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
(1) GUARANTEED VOLTAGE
198~264V, 50Hz
(2) AIR FLOW
Air flow should be set at MAX.
(3) MAIN READINGS
(1) Indoor intake air wet-bulb temperature : ˚C WB
(2) Indoor outlet air wet-bulb temperature : ˚C WB
(3) Outdoor intake air dry-bulb temperature : ˚C DB
(4) Total input : W
The table of Indoor air wet-bulb temperature difference at the bottom left on page 15 shows the difference between the
indoor intake air wet-bulb temperature and the indoor outlet air wet-bulb temperature for your reference at service.
How to measure the indoor air wet-bulb temperature difference
1. Attach at least 2. sets of wet-and-dry-bulb thermometers to the indoor air intake as shown in the figure, and at least 2 sets
of wet-and-dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air
speed is high.
2. Attach at least 2 sets of dry-bulb thermometers to the outdoor air intake.
Cover the thermometers to avoid direct rays of the sun.
3. Check that the air filter is cleaned.
4. Open windows and doors of the room.
5. Press the EMERGENCY OPERATION switch to start the EMERGENCY operation.
6. When system stabilizes after more than 15 minutes, measure temperature and take an average temperature.
7. 10 minutes later, measure temperature again and check that the temperature does not change.
INDOOR UNIT
10.4
9.5
8.7
7.8
7.0
6.2
13.1
11.9
10.8
9.7
8.7
7.7
15.7
14.2
12.8
11.5
10.3
9.0
OUTDOOR UNIT
MCF-13NV- E4
MCF-18NV- E3
MCF-24NV- E3
14
OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
220V
240V
220-240V
Ambient temperature (°C)
Ambient humidity(%)
Ambient temperature (°C)
Ambient humidity(%)
18
0.3
0.4
0.5
0.6
0.7
0.8
202530
506070
32
( C)
(%)
Outdoor low pressure
18
5
6
7
8
9
10
202530
506070
32
( C)
(%)
Outdoor unit current (A)
7
6
5
4
3
8
(kgf/F•G)(MPa•G)
220-240V
220V
240V
Ambient temperature (°C)
Ambient humidity(%)
Ambient temperature (°C)
Ambient humidity(%)
18
0.2
0.3
0.4
0.5
0.6
0.7
202530
506070
32
( C)
(%)
Outdoor low pressure
18
7
8
9
10
11
12
13
14
202530
506070
32
( C)
(%)
Outdoor unit current (A)
6
5
4
3
2
7
(kgf/F•G)(MPa•G)
202530
0.3
0.4
0.5
0.6
0.7
0.8
202530
3
4
5
6
7
8
Ambient temperature (:)
Ambient humidity(%)
18
506070
32
(:)
(%)
Ambient temperature (:)
Ambient humidity(%)
18
506070
32
(%)
Outdoor unit current (A)
Outdoor low pressure
7
6
5
4
3
8
(kgf/F•G)(MPa•G)
(:)
220-240V
220-240V
COOL operation
1 Both indoor and outdoor units are under the same temperature/humidity condition.
Dry Bulb temperature (˚C)
20
25
30
Relative humidity (%)
50
60
70
2 Air flow should be set at MAX..
3 The unit of pressure has been changed to MPa on the international system of units(SI unit system).
The converted score against the traditional unit system can be gotten according to the formula below.
Once the operation mode are set, the same operation mode
can be repeated by simply turning the OPERATE/STOP
(ON/OFF) button ON.
Indoor unit receives the signal with a beep tone.
When the system turns off, 3-minute time delay will operate to
protect system from overload and compressor will not restart
for 3 minutes.
9-1. “I FEEL CONTROL” ( )OPERATION
E3
(1) Press OPERATE/STOP button on the remote controller.
Power monitor lamp of the indoor unit will turn on with a
beep tone.
(2) Select “I FEEL CONTROL”( )mode with the OPERA-
TION SELECT button.
(3) The operation mode is determined by the room
temperature at start-up of the operation.
Initial room temperaturemode
more than 25°C
13.0°C to 25°C
E3E4
COOL mode of
“I FEEL CONTROL”
DRY mode of
“I FEEL CONTROL”
INDOOR UNIT DISPLAY SECTION
Operation indicator
Indication
Operation state
This shows that the air
conditioner is operating
to reach the target temperature.
Please wait until the
target temperature is
obtained.
This shows that the
room temperature is
approaching the target
temperature.
Difference
between set
temperatuer
and room
temperature
About 2
degrees (;)
or more
About 2
degrees (;)
or less
● Once the mode is fixed, the mode will not change by
room temperature afterwards.
● Under the ON-TIMER ()timer operation, the mode
is determined according to the room temperature when
the operation starts.
● When the system is stopped with the OPERATE/ STOP
button on the remote controller, and restarted within 2
hours in “I FEEL CONTROL” ( )mode, the system
operates in previous mode automatically regardless of
the room temperature.
Example
Previous operation
COOL mode of
“I FEEL CONTROL”
Restart
COOL mode of
“I FEEL CONTROL”
or COOL mode
● When the system is restarted after 2 hours, the operation
mode is determined by the initial room temperature at
start-up of the operation.
Example
Restart
COOL or DRY mode of
Previous operation
COOL mode of “I FEEL
CONTROL” or COOL
mode
“I FEEL CONTROL” that
is determined by initial
room temperature at
start-up of the operation.
28
(4) The initial set temperature is decided by the initial room temperature.
Difference between room
temperature and set temperature
during operation.
TOO
COOL
TOO
WARM
Model
COOL mode of
“I FEEL CONTROL”
DRY mode of
“I FEEL CONTROL”
Initial room temperature
26°C or more
25°C to 26°C
13°C to 25°C
Initial set temperature
24°C
Initial room temperature
minus 2°C
Initial room temperature
minus 2°C
❈1
❈1 When the system is restarted with the remote controller, the system operates with the previous set temperature regard-
less of the room temperature at restart.
The set temperature is calculated by the previous set temperature.
(5) TEMPERATURES buttons
In “I FEEL CONTROL”( ) mode, set temperature is decided by the microprocessor based on the room temperature.
In addition, set temperature is controlled by or TOO WARM or TOO COOL buttons when you feel too warm or too cool.
Each time the TOO WARM or TOO COOL button is pressed, the indoor unit receives the signal and emits a beep tone.
● Fuzzy control
When the TOO COOL or TOO WARM button is pressed, the microprocessor changes the set temperature, considering
the room temperature, the frequency of pressing TOO COOL or TOO WARM button and the user’s preference to heat or
cold. So this is called “Fuzzy control”, and works only in “I FEEL CONTROL” mode.
In DRY mode of “I FEEL CONTROL”, the set temperature doesn’t change.
…
To raise the set temperature 1~2 degrees(°C)
…
To lower the set temperature 1~2 degrees(°C)
— COOL mode of “I FEEL CONTROL” —
1. Indoor fan speed control
Indoor fan operates at the set speed by FAN SPEED CONTROL button.
In AUTO the fan speed is as follows.
Initial temperature difference
Room temperature minus set temperature : 2 degrees or more········································High
Room temperature minus set temperature : Between 1 and 2 degrees····························Med.
Room temperature minus set temperature : less than 1 degrees······································Low
2. Coil frost prevention
① Temperature control
When the indoor coil thermistor RT12 reads -1; or below, the coil frost prevention mode starts
immediately. However the coil frost prevention doesn’t work for 5 minutes since the compressor has
started.
The indoor fan operates at the set speed the compressor stops for 5 minutes.
After that, if RT12 still reads below -1; this mode is prolonged until the RT12 reads over -1;.
② Time control
When the three conditions as follows have been satisfied for 1 hour and 45 minutes, compressor stops for 3 minutes.
a. Compressor has been continuously operating.
b. Indoor fan speed is Low or Med..
c. Room temperature is below 26;.
When compressor stops, the accumulated time is cancelled and when compressor restarts, time counting starts
from the beginning.
Time counting also stops temporarily when the indoor fan speed becomes High or the room temperature exceeds
26;. However, when two of the above conditions (b.and c.) are satisfied again. Time accumulation is resumed.
Fan speed
1 deg.
1.7 deg.
2 deg.
4 deg.
29
ON
ON
Compressor and
Outdoor fan motor
Indoor fan motor
OFF
ON (continuously at set speed)
OFF
—DRY mode of “I FEEL CONTROL”—
The system for dry operation uses the same refrigerant circuit as the cooling circuit.
The compressor and the indoor fan are controlled by the temperature.
By such controls, indoor flow amounts will be reduced in order to lower humidity without much room temperature
decrease.
1. Indoor fan speed control
Indoor fan operates at the set speed by FAN SPEED CONTROL button.
However, in AUTO fan operation, fan speed becomes Low.
2. The operation of the compressor and indoor/ outdoor fan
Compressor operates by room temperature control and time control.
Set temperature is controlled to fall 2; as initial set temperature.
Indoor fan and outdoor fan operate in the same cycle as the compressor.
• When the room temperature is 23; or over:
When the thermostat is ON, the compressor repeats 8 minutes ON and 3 minutes OFF.
When the thermostat is OFF, the compressor repeats 4 minutes OFF and 1 minute ON.
• When the room temperature is under 23;.
When the thermostat is ON, the compressor repeats 2 minutes ON and 3 minutes OFF.
When the thermostat is OFF, the compressor repeats 4 minutes OFF and 1 minute ON.
Operation time chart
Example
3. Coil frost prevention
• The operation is as same as coil frost prevention during COOL mode of “I FEEL CONTROL”.
• Indoor fan operates at the set speed and the compressor stops for 5 minutes, because protection (Coil frost
prevention) has the priority.
However, when coil frost prevention works while the compressor is not operating, it’s speed becomes Low.
9-2. COOL ( ) OPERATION
(1) Press OPERATE/STOP button.
Power monitor lamp of the indoor unit turns on with a beep tone.
(2) Select COOL mode.
(3) Set the desired temperature with the TEMPERATURES button.
(TOO WARM or TOO COOL button)
The setting range is 16 ~ 31°C
✻ Indoor fan continues to operate regardless of thermostat’s OFF-ON
✻ Coil frost prevention is same as COOL mode of “I FEEL CONTROL”
30
1
2
3
4
5
SWING
AUTO
9-3. DRY () OPERATION
(1) Press OPERATE/STOP button.
Power monitor lamp of the indoor unit turns on
with a beep tone.
(2) Select DRY mode.
(3) The microprocessor reads the room temperature
and determines the set temperature. Set temper-
ature is as shown in the right chart.
Thermostat (SET TEMP.)does not work.
The other operations are same as DRY mode of
“I FEEL CONTROL”.
(4) DRY operation will not work when the room tem-
perature is 13°C or below.
9-4. FAN () OPERATION
(1) Press the OPERATE/STOP (ON/OFF) button.
(2) Select FAN mode with the OPERATION SELECT button.
(3) Select the desired fan speed.When AUTO,it becomes Low.
Only indoor fan operates.
Outdoor unit does not operate.
9-5. AUTO VANE OPERATION
(1) Vane motor drive
This series is equipped with a stepping motor for the vane. The rotating direction, speed, and angle of the motor are
controlled by pulse signals (approx. 12V, transmitted from indoor microprocessor.)
(2) Each time the VANE CONTROLbutton is pressed, angle of horizontal vane is changed in sequence, from 1, 2, 3, 4, 5,
SWING to AUTO.
(3) Positioning
The vane is once pressed to the vane stopper to confirm the standard position and then set to the desired angle.
The positioning is decided as follows.
(a) When the OPERATE/STOP button is pressed (POWER ON/OFF).
(b) When the vane control is changed from AUTO to MANUAL.
(c) When the SWING is finished.
(d) When the test run starts.
(e) When the power supply turns ON.
31
(4) VANE AUTO ( ) mode
4
1
1
2
3
4
5
In VANE AUTO mode, the microprocessor automatically determines the vane angle and operation to make the optimum
room-temperature distribution.
1.In COOL and DRY operation
Vane angle is fixed to position 1.
2.In FAN operation
Vane angle is fixed to position 4.
(5) Dew prevention
During COOL or DRY operation at position 4 or 5 when the compressor cumulative operation time exceeds 1 hour, the
angle of horizontal vane automatically changes to position 1 for dew prevention.
(6) SWING MODE( )
By selecting SWING mode with the VANE CONTROL button the horizontal vane swings vertically. The remote controller
displays “ “.SWING mode is cancelled when the VANE CONTROL button is pressed once again.
(7) STOP and ON-TIMER standby
When the following cases occur, the vane returns to the closed position.
(a) When the operation is stopped by the remote controller.
(b) When the operation is stopped by the emergency operation.
(c) When the ON-timer is on standby.
9-6. TIMER OPERATION
1. How to set the timer
(1) Press OPERATE/STOP button to start the air conditioner.
(2) Check that the current time is set correctly.
NOTE : Timer operation will not work without setting the current time. Initially “AM0:00” blinks at the current time display
of TIME MONITOR, so set the current time correctly with CLOCK SET button.
(3) Press ON-TIMER, OFF-TIMER button to select the operation.
“
w START” button ... AUTO START operation (ON timer)
“w STOP” button ... AUTO STOP operation (OFF timer)
(4) Press HR. and MIN. button to set the timer. Time setting is 10-minute units.
HR. and MIN. button will work when “w START” or “w STOP” button is flashing on and off.
These marks disappear in 1 minute.
When setting the ON timer, check that Power monitor lamp of the indoor unit lights.
NOTE 1 : Be sure to place the remote controller at the position where its signal can reach the air conditioner even during
TIMER operation, or the set time may deviate within the range of about 10 minutes.
NOTE2 : Reset the timer in the following cases, or the set time may deviate and other malfunctions may occur.
● A power failure occurs.
● The circuit breaker functions.
2. Cancel
Timer setting can be cancelled with the TIMER CONTROL buttons. (“w START” or “w STOP”)
To cancel the ON timer, press the “w START” button.
To cancel the OFF timer, press the “w STOP” button.
Timer is cancelled and the display of set time disappears.
32
PROGRAM TIMER
PM
AM
PM
PM
● The OFF timer and ON timer can be used in combination.
➝
● “” and “” display show the order of the OFF timer and ON timer operation.
(Example 1) The current timer is 8:00 PM.
➝
The unit turns off at 11:00 PM, and on at 6:00 AM.
(Example 2) The current time is 11:00 AM.
The unit turns on at 5:00 PM, and off at 9:00 PM.
9-7. EMERGENCY-TEST OPERATION
When the remote controller is missing, has failed or the batteries run down, press the EMERGENCY OPERATION
switch on the front of the indoor unit. The unit will start and the Power monitor lamp will light.
The first 30 minutes of operation will be the test run operation. This operation is for servicing. The indoor fan runs at high
speed and the system is in continuous operation. The thermostat is ON and the timer is reset to normal.
After 30 minutes of test run operation the system shifts to EMERGENCY COOL MODE with a set temperature of 24˚C in
cooling. The fan shifts to Med. speed.
This operation continues until the EMERGENCY OPERATION switch is pressed or a button on the remote controller is
pressed, then normal operation will start.
The coil frost prevention circuit operates in this mode.
NOTE : Do not press the EMERGENCY OPERATION switch during normal operation.
EMERGENCY
OPERATION switch
Press once
<Cool>
Press again
<Stop>
Operation indicator
9-8. AUTO RESTART FUNCTION
When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed
are memorized by the auto restart P.C. board.
The “AUTO RESTART” function sets to work the moment the power has restored after power failure. Then, the unit will
restart automatically. However if the unit is operatioed in “I FEELCONTROL” mode, before power failure, the operation is
not memorized. In “I FEEL CONTROL” mode, the operation is decided by the initial room temperature.
NOTE
:
•The operation settings are memorized when 10 seconds have passed after the remote controller was operated.
•If the main power is turned off or a power failure occurs while AUTO START/ STOP timer is active, the timer setting is
cancelled.
•If the unit has been off with the remote controller before power failure, the auto restart function does not work as the
power button of the remote controller is off.
•To prevent breaker off due to the rush of starting current, systematize other home appliances not to tum on at the
same time.
•When some air conditioners are connected to the same supply system, if they are operated before power failure, the
starting current of all the compressors may flow simultaneously at restart.
Therefore, the special counter-measures are required to prevent the main voltage-drop or the rush of the starting
corrent by adding to the system that allows the units to start one by one.
33
SERVICE FUNCTIONS10
MCF-13NV -MCF-24NV MCF-18NV -
E3
E3E4
MUCF-13NV -MUCF-24NV MUCF-18NV -
E3
E3E4
10-1. TIMER SHORT MODE
For service, set time can be shortened by short circuit of JPG and JPS on the electronic control P.C. board.
The time will be shortened as follows.(Refer to page 40.)
3-minute time delay : 3-minute → 3-second
AUTO START : 1 hour → 1-minute
AUTO STOP : 1 hour → 1-minute
10-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION
A maximum of 4 indoor units with wireless remote controllers can be used in a room. In this case, to operate each indoor
unit individually by each remote controller, P.C. boards of remote controller must be modified according to the indoor unit
number.
How to modify the remote controller P.C. board
Remove batteries before modification.
The board has a print as shown below :
NOTE : For remodelling, take out the batteries
and press the
OPERATE/STOP(ON/OFF)button twice
or 3 times at first.
After finish remodelling, put back the
batteries then press the RESET button.
The P.C. board has the print “J1” and “J2”. Solder “J1” and “J2” according to the number of indoor unit as shown in Table 1.
After modification, press the RESET button.
NOTE : Fore remodeling, take out the batteries at first.
After finish remodeling, put back the batteries then push the RESET-button.
The P.C. board has the print “J1” and “J2”. Jumper wires are mounted to each “J1” and “J2”. Cut J1 and J2
according to the number of indoor unit as shown in Table 1.
After modification, push the RESET button near the MIN.button on the remote controller.
Table1.
1 unit operation
No.1 unit
No modification
No.2 unit
No.3 unit
No.4 unit
NOTE : At power supply failure or installation, indoor unit deletes the memory about remote controller. When the power supply
is turned on and indoor unit receives the first signals from the remote controller, the remote controller number is designated as the indoor unit number. Therefore at and after the second time indoor unit accepts the remote controller of
the initial setting number.
At setting - error, turn the power supply off to cancel the individual operation and then turn the power supply on to
restart the setting.
2 unit operation
Same as at left
Cut J1
3 unit operation
Same as at left
Same as at left
Cut J2
4 unit operation
Same as at left
Same as at left
Same as at left
Cut both J1 and J2
10-3. RELEASE OF AUTO RESTART FUNCTION
Solder JHA (refer to page 40) with a jumper line on the indoor electronic control P.C. board.
Remove the auto restart assy from “Connector CN104”.
34
TROUBLESHOOTING11
Insert the negative pole
of the batteries first.
Check if the polarity of
the battereis is correct.
RESET button
MCF-13NV MCF-18NV MCF-24NV -
E4
MUCF-13NV -
E3
MUCF-18NV -
E3
MUCF-24NV -
E4
E3
E3
11-1. CAUTIONS ON TROUBLESHOOTING
11-1-1. Before troubleshooting, check the followings:
1) Check the power supply voltage.
2) Check the indoor/outdoor connecting wire for mis-wiring.
11-1-2. Take care the followings during servicing.
1) Be sure to unplug the power cord before removing the air inlet grille, the front panel, the cabinet, the top panel, and
the electronic control P.C. boards.
2) When removing the electronic control P.C. board, hold the edge of the board with care NOT to apply stress on the
components.
3) When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.
11-1-3. Troubleshooting procedure
1) First, check if the Power monitor lamp on the indoor unit is flashing on and off to indicate an abnormality. To make
sure, check the abnormality indication for 2 times before starting service work.
2) Before servicing check that the connectors and terminals are connected properly.
3) If the electronic control P.C. board is supposed to be defective, check the copper foil pattern for disconnection and
the components for bursting and discoloration.
3) When troubleshooting, refer to the flow chart and the check table on page 36.
11-1-4. How to replace batteries
Weak batteries may cause the remote controller malfunction.
In this case, replace the batteries to operate the remote controller normally.
1 Remove the front lid and insert batteries.
Then reattach the front lid.
2 Press the RESET button with tip end of ball point
pen or the like, and then use the remote controller.
35
11-2. Instruction of troubleshooting
Operation indicator
lamp
Start
Indoor unit
operates.
Outdoor unit
doesn't
operate.
Indoor unit
doesn't receive
the signal from
remote controller.
Operation indicator
lamp on the indoor
unit is flashing
on and off.
Outdoor unit
operates in
only Test Run
operation.
Outdoor unit
doesn't
operate
even in
Test Run
operation.
Indoor unit
operates, when
the EMERGENCY
OPERATION
switch is pressed.
Indoor unit
doesn't operate,
when the
EMERGENCY
OPERATION
switch is pressed.
Check room
temperature
thermistor.
Refer to "Test point
diagram and
voltage" on page 40.
Refer to D
"Check of
outdoor unit"
on page 39.
Refer to B
"Check of
remote controller
and receiver
P.C. board"
on page 38.
Refer to C
"Check of indoor
electronic control
P.C. board"
on page 39.
2-time flash
Cause: Indoor unit
• Trouble of room
temperature/ indoor
coil thermistor
Check room tempreture thermistor and
indoor coil thermistor
Refer to "Test point
diagram and voltage"
on page 40.
When the remote
controller is
pressed
or when the
EMERGENCY
OPERATION
switch is
pressed,
the fan doesn't
rotate, with
Power monitor
lamp on.
Refer to A
"Check of
indoor fan
motor" on
page 38.
11-2-1. Troubleshooting check table
❈ Before taking measures, make sure that the symptom reappears, for accurate troubleshooting.
Self check table
Abnormal
NO.
point
Indoor coil
thermistor
1
Room
temperature thermistor
2-time flash
2.5-second OFF
Indication
Symptom
Outdoor unit
does not run.
Detect Indoor coil/room temperature thermistor short or
open circuit.
36
Detect method
Check point
● Check resistance of thermistor.
● Reconnect connector
● Check indoor electronic control P.C.
board
11-2-2. Trouble criterion of main parts
C
S
R
BLK
RED
WHT
BLKRED ORNYLW BLU BRN
WHT
GRN
YLW
P
MAIN
BLKYLW
RED ORN
WHT
MAIN1
AUX.
MAIN2
P
BLK
RED ORN
WHT
MAIN
AUX.
P
BRN
YLW
PNK
RED
ORN
BLU
ROTOR
BLK
RED
WHT
MAIN
AUX.
P
MCF-13NV -, MCF-18NV MCF-24NV -
Part name
Room
temperature
thermistor (RT11)
Indoor coil
thermistor
(RT12)
E3
Measure the resistance with a tester.
(Part temperature 10°C ~ 30°C)
Measure the resistance between the terminals with a tester.
(Part wiring temperature -10°C ~ 40°C)
E3E4
MUCF-13NV -, MUCF-18NV MUCF-24NV -
E3
Check method and criterion
Normal
8kΩ ~ 20kΩ
Opened or short-circuited
Abnormal
E3E4
Figure
Compressor
(MC)
Indoor fan
motor
(MF)
Outdoor fan
motor
(MF)
C-R
C-S
13NV
1.86~2.28Ω
3.50~4.29Ω
Normal
18NV
1.05~1.30Ω
2.38~2.92Ω
24NV
0.84~1.04Ω
1.82~2.24Ω
Abnormal
Opened or
short-circuited
Measure the resistance between the terminals with a tester.
(Part wiring temperature10°C ~ 30°C)
Measure the resistance between the terminals with a tester.
(Part wiring temperature -10°C ~ 40°C)
WHT-BLK
BLK-RED
BLK-YLW
13NV
155 ~ 190Ω
364 ~ 446Ω
______
Normal
18NV
102 ~ 126Ω
97 ~ 120Ω
24NV
71 ~ 88Ω
90 ~ 111Ω
81~ 100Ω
Abnormal
Opened or
short-circuited
13/18/24NV
13NV
18NV
24NV
Vane
motor
(MV)
Measure the resistance between the terminals with a tester.
(Part wiring temperature10°C ~ 30°C)
NormalAbnormal
RED-PNK/ORN
BRN-YLW/BLU
329
~357
Ω
Opened or
short-circuited
37
: Inner protector
P
A
● Re-install the unit away from lights.
● Attach a filter on receiving part.
Switch on the remote controller
Is LCD display on remote
controller visible?
Replace the batteries.(see page 35.)
Remove batteries and then set them back and press
the RESET button. Check if the unit operates with
remote controller.
Does the unit operate with remote controller?
Turn on a radio to AM and press
switch on remote controller.
Is noise heard from radio?Replace the remote controller.
Are there any fluorescent lights
of inverter or rapid-start type
within the range of 1m?
Measure the voltage between receiver P.C.board connector No.2(+)and No.1 when remote controller button is pressed.
Is the voltage approx. 4V DC?
No
(5V DC or 0V DC)
Replace the receiver.
No
(not clear)
Yes
Yes
No
OK
No
Yes
Yes
Yes
No
Replace the indoor
electronic control P.C. board.
No
Check of indoor fan motor
Indoor fan does not operate.
No
Are lead wires connected?
Reconnect the lead
wires.
Disconnect lead wires from connector (Fan motor).
Measure resistance between lead wires No.1 and No.4 and then No.3 and No.4 of the fan motor.
Check of receiver P.C. board
B
Turn OFF power supply.
Check connector (Fan motor) visually.
Yes
Is resistance 0 (short circuit) or ∞ (open circuit)?
Yes ( 0 or ∞ )
Replace the indoor fan motor.
Is soldered point normal?
Yes
Replace the indoor electronic control
P.C. board.
No
(others)
No
Resolder it.
Indoor unit operates by pressing the EMERGENCY OPERATION switch, but does not operate with the remote controller.
w Check if the remote controller is exclusive for this air conditioner.
38
Check of indoor electronic control P.C. board
C
The unit doesn’t operate with the
remote controller.
Also, the Operation indicator lamp
doesn’t light up by pressing the
EMERGENCY OPERATION switch.
Check both “parts side”and “pattern
side” of indoor electronic control P.C.
board visually.
Replace the fuse.
Yes
Is fuse(F11)blown?
Be sure to check both fuse
and varistor in any case.
Is varistor(NR11)burnt?
Yes
Replace the varistor.
No
Trouble of the indoor electronic
control P.C. board.
No
Check of outdoor unit
D
Compressor and outdoor fan do not operate.(Only indoor fan operates.)
E3
Start
No
Yes
No
Press EMERGENCY OPERATION
switch. 3-minute time delay works.
Test run operation operates for 30
minutes.
Yes
Check the outdoor wiring the
outdoor fan motor and compressor.
Yes
Check voltage to terminal
block of outdoor unit. Is there
220-240V AC to terminal
block between 2 - N ?
MCF-13NVMCF-18NV-
Check voltage to terminal
block of indoor unit. Is
there 220-240V AC to terminal block between 2 - N
E4
E3
Start
No
MCF-24NV-
Press EMERGENCY OPERATION
switch. 3-minute time delay works.
Test run operation operates for 30
minutes.
Check voltage to terminal
block of outdoor unit. Is there
220-240V AC to terminal
block between 2 - N ?
Check voltage to terminal
block of outdoor unit. Is
there 220-240V AC to terminal block between 3 - N ?
Check the continuity of indoor
and outdoor unit connection.
Check voltage to terminal
block of indoor unit. Is there
220-240V AC to terminal
block between 3 - N ?
No
Replace the
indoor electronic control
P.C. board.
Check the continuity of indoor
and outdoor unit connection.
No
Replace the indoor electronic control P.C. board.
Yes
Check the outdoor wiring
and conductor relay.
39
Yes
Check the continuity of
indoor and outdoor unit
connection.
DE00R697B
To the indoor
electronic control
P.C.board CN113
Indoor coil thermistor (RT12)
Room temperature thermistor (RT11)
RT11
EMERGENCY OPERATION switch
TH113
CH313
GILMS
12
0
0
10
20
30
40
10 20 30 40 50 60
Temperature ( C)
Resistance (K')
TEST POINT DIAGRAM AND VOLTAGE
MCF-13NV MCF-18NV MCF-24NV -
E4
E3
E3
Indoor electronic control P.C. board
Fan motor power supply 220-240V AC (Refer to page 38)
Med.
Low High
87564321
Fuse 250V AC 3.15A
Power supply
input 220-240V AC
Room temperature
thermistor(RT11)
+
12V DC
–
}
+
5V DC
–
}
JHA (Release of AUTO RESTART FUNCTION.
Refer to page 34.)
CN113
Room temperature thermistor (RT11)
Time short point (Refer to page 34)
CN112
Indoor coil thermistor (RT12)
40
DISASSEMBLY INSTRUCTIONS12
<"Terminal with lock mechanism" Detaching points>
In the case of terminal with lock mechanism, detach the terminal as shown below.
(1)(2)
1Slide the sleeve.
2Pull the terminal while
pushing the locking
lever.
12-1.MCF-13NV-MCF-18NV-MCF-24NV-
INDOOR UNIT
OPERATING PROCEDUREPHOTOS
1. Removing the electronic control P. C . board.
(1) Pull out the upper part of the grill.
( photo 1 )
(2) Remove the screws of the grill.
(3) Remove screws of terminal block cover. (photo 2)
Remove the terminal block cover and remove the terminal
block.
(4) Remove the screws of the electronic box cover.
(5) Pull out the electronic control P . C . board. (photo 3)
Photo 3
1Hold the sleeve, and
pull out the terminal
slowly.
E3E3E4
Photo 1
Photo 2
Screws
Grill
Electronic control P.C. board
2. Removing the indoor fan motor
(1) Remove the grill. ( Refer to 1(1) (2) )
(2) Remove the screws of the motor band.
(3) Remove the fan casings.(upper) .
(4) Disconnect the connector of the indoor fan motor.
(5) Disconnect the ground wire of the fan motor.
(6) Remove the screws of the motor band and remove the
catch.
(7) Take out the sirocco fan and the indoor fan motor .
41
Electronic box
Photo 4
Fan casing
(upper)
Indoor fan motor
Terminal block
Motor band
Screws
Fan
casing(upper)
OPERATING PROCEDUREPHOTOS
3. Removing the indoor heat exchanger.
(1) Remove the grill. (Refer to 1(1) (2))
(2) Remove the screws on both sides and in front of the front
panel. (Photo 5)
(3) Remove the screws of the nozzle assembly. (Photo 6)
(4) Remove the electronic box . (Refer to 1)
(5) Remove the indoor fan motor . (Refer to 2)
(6) Remove the screws of the motor support .
(7) Remove the fan casing . (Iower)
(8) Remove the insulations of the drain pan and remove the
screws . (Photo 7)
(9) Remove the screws under the drain pan .(Photo 8)
(10) Remove the drain pan .
(11) Remove the indoor heat exchanger.
Photo 5
Screws
Front panel
Photo 6
Nozzle assembly
Screws
Photo 7
Photo 8
Insulations of drain pan and screws
Drain pan
42
screws
12-2. MUCF-13NV -
OUTDOOR UNIT
OPERATING PROCEDUREPHOTOS
E4
1. Removing the cabinet
(1) Remove the screws securing the top panel.
(2) Remove the screw securing the service panel.
(3) Remove the screws securing the cabinet.
(4) Remove the screws securing the front panel and motor
support.
(5) Remove the service panel, and remove the screw from
the insides.
(6) Remove the top panel.
(7) Remove the cabinet.
Photo 3
Screws for
service panel
Screws for
top panel
Service
panel
Photo 1
Screws for front panel and motor support
Screws for cabinet
Photo 2
Screws for
top panel
2. Removing the electrical parts
(1) Remove the service panel and the cabinet.(Refer to 1)
(2) Remove the following parts.
•Compressor capacitor (C1)
•Outdoor fan capacitor (C2)
•Terminal block
Screws for
cabinet
Photo 4
Outdoor fan capacitor
43
Compressor capacitor
Terminal block
OPERATING PROCEDUREPHOTOS
3. Removing the propeller fan and the outdoor fan
motor
(1) Remove the cabinet. (Refer to 1.)
(2) Remove the propeller fan nut.
(3) Remove the propeller fan.
NOTE : Loose the propeller fan in the rotating direction for
removal.
When attaching the propeller fan, align the mark on the
propeller fan and the motor shaft cut section.
Set the propeller fan in position by using the cut on the
shaft and the mark on the propeller fan.
(4) Remove lead clamps and disconnect the outdoor fan motor
lead wires.
(5) Remove screws fixing the fan motor.
(6) Remove the outdoor fan motor.
Photo 5
Set screws for
outdoor fan motor
Propeller fan
Hook
Lead clamps
4. Removing the compressor
(1) Remove the cabinet. (Refer to 1)
(2) Remove the relay panel.
(3) Remove the soundproof felt.
(4) Remove the terminal cover on the compressor.
(5) Disconnect lead wires from the glass terminal of the com-
pressor.
(6) Release gas from the refrigerant circuit.
(7) Disconnect the welded part of the discharge pipe.
(8) Disconnect the welded part of the suction pipe.
(9) Remove nuts fixing the compressor.
(10) Remove the compressor.
NOTE:
● Before using a burner, purge gas from the pipes until the pres
sure gauge shows 0 Mpa (0 O/F).
● Use the burner under the condition that gas can be released
even when the inner pressure rises by heat.
Propeller fan nut
Photo 6
Discharge pipe
Glass
terminal
Compressor
Outdoor
fan motor
Suction pipe
44
Compressor
set nuts
Terminal cover
12-3. MUCF-18NV-MUCF-24NV-
OPERATING PROCEDUREPHOTOS
1. Removing the cabinet
(1) Remove the screws securing the cabinet.
(2) Remove the screw securing the service panel.
(3) Remove the service panel, and remove the screw from
the insides.
(4) Remove the cabinet.
Photo 2
Screws
E3E3
Photo 1
Service
panel
Screw
Screws
2. Removing the electrical parts
(1) Remove the cabinet . (Refer to 1)
(2) Remove the following parts .
•Compressor capacitor (C1)
•Outdoor fan capacitor (C2)
•Terminal block
•Fan motor relay (X 1)(For MUCF - 24)
•Contactor (52 C) (For MUCF - 24)
Photo 3
Fan motor
relay
Contactor
Outdoor fan
capacitor
Compressor
capacitor
Terminal block
Fan motor lead
connector
45
OPERATING PROCEDURE
PHOTOS
3. Removing the outdoor fan motor
(1) Remove the cabinet. (Refer to 1)
(2) Disconnect the connector to remove the clamp of fan motor
lead wire.
(3) Remove the propeller nut and remove the propeller.
(4) Remove screws securing the fan motor.
4. Removing the compressor
(1) Remove the cabinet. (Refer to 1)
(2) Remove the soundproof felt.
(3) Remove the terminal cover on the compressor.
(4) Disconnect lead wires from the glass terminal of the com-
pressor.(Refer to 2)
(5) Release gas from the refrigerant circuit.
(6) Disconnect the welded part of the discharge pipe.
(7) Disconnect the welded part of the suction pipe.
(8) Remove nuts securing the compressor.
(9) Remove the compressor.
NOTE:
● Before using a burner, purge gas from the pipes until the pres
sure gauge shows 0 Mpa (0 O/F).
● Use the burner under the condition that gas can be released
even when the inner pressure rises by heat.
VANE MOTOR
INSTALLATION METAL (L)
AIR FILTER
GRILLE
FRONT PANEL ASSEMBLY
DRAIN PAN
FAN CASING (U)
FAN CASING (L)
UNION (GAS)
UNION (GAS)
INSTALLATION METAL (R)
UNION (LIQUID)
UNION (LIQUID)
BACK PANEL
NOZZLE
INDOOR HERT EXCHANGER
VANE
GRILLE CATCH
SIROCCO FAN
FAN MOTOR RUBBER MOUNT
INDOOR FAN MOTOR
INDOOR FAN MOTOR
INDOOR FAN MOTOR
TERMINAL BED
TERMINAL BED
TERMINAL BED
RECEIVER P.C. BOARD
INDOOR-COIL THERMISTOR
INDOOR-COIL THERMISTOR
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
AUTO RESTART ASSEMBLY
SWITCH BOARD
FUSE
COMPRESSOR CONTACTOR
INDOOR FAN CAPACITOR
INDOOR FAN CAPACITOR
VARISTOR
VARISTOR
Part numbers that are circled is not shown in the illustration.
13-3. ACCESSORY AND REMOTE CONTROLLER PARTS
48
13-3. OUTDOOR UNIT
STRUCTURAL PARTS AND FUNCTIONAL PARTS
MUCF-13NV -MUCF-13NV -
1
2
3
4
E4E3
17
16
5
612
Part numbers that are circled is not shown in the illustration.
No.Part No.
E02 336 630
1
E02 336 515
2
E02 336 501
3
E02 336 232
4
E02 336 521
5
E02 438 301
6
E02 141 900
7
E02 075 506
8
E02 340 290
9
E02 340 661
10
E02 339 662
11
E02 079 353
12
E02 095 350
13
E02 197 374
14
E02 336 245
15
E02 339 233
16
E02 336 297
17
E02 414 936
18
E02 095 382
19
Part name
OUTDOOR HEAT EXCHANGER
MOTOR SUPPORT
PROPELLER FAN
CABINET
GRILLE(OUT)
OUTDOOR FAN MOTOR
COMPRESSOR
COMPRESSOR RUBBER SET
BASE
STOP VALVE (GAS)
STOP VALVE (LIQUID)
COMPRESSOR CAPACITOR
OUTDOOR FAN CAPACITOR
TERMINAL BLOCK
SERVICE PANEL
BACK PANEL
TOP PANEL
CAPILLARY TUBE
FUSE
Part numbers that are circled is not shown in the illustration.
No.Part No.
E02 141 232
1
E02 141 521
2
E02 141 501
3
E02 138 515
E02 140 515
4
E02 139 515
E02 075 506
5
E02 138 506
E02 141 900
E02 138 900
6
E02 042 900
E02 140 290
E02 138 290
7
E02 176 290
E02 140 661
8
E02 150 661
E02 139 662
9
E02 176 662
E02 141 245
10
E02 141 630
E02 138 630
11
E02 147 630
E02 197 374
12
E02 209 374
E02 138 351
13
E02 079 353
E02 144 353
14
E02 082 353
E02 141 301
E02 144 301
15
E02 147 301
E02 140 233
16
E02 140 936
E02 138 936
17
E02 176 936
E02 010 342
18
E02 229 381
19
E02 095 382
20
E02 288 343
21
E02 326 384
22
E02 069 644
23
Part name
CABINET
GRILLE(OUT)
PROPELLER FAN
MOTOR SUPPORT
MOTOR SUPPORT
MOTOR SUPPORT
COMPRESSOR RUBBER SET
COMPRESSOR RUBBER SET
COMPRESSOR
COMPRESSOR
COMPRESSOR
BASE
BASE
BASE
STOP VALVE(GAS)
STOP VALVE(GAS)
STOP VALVE(LIQUID)
STOP VALVE(LIQUID)
SERVICE PANEL
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
TERMINAL BLOCK
TERMINAL BLOCK
FAN MOTOR CAPACITOR
COMP RUN CAPACITOR
COMP RUN CAPACITOR
COMP RUN CAPACITOR
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
BACK PANEL
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
COMP CONTACTOR
THERMAL REED SWITCH
FUSE
FAN MOTOR RELAY
SURGE ABSORBER
DIS. PRESSURE REGULATOR
Symbol
in Wiring
Diagram
MC
MC
MC
TB
TB
C2
C1
C1
C1
MF
MF
MF
52C
26F1
F
X1
CR
13NV
E1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
13NV
E2
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
18NV
E1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
Q'ty/unit
MUCF-
18NV
E2
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
18NV
E3
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
24NV
E1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
24NV
E2
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
24NV
E3
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Remark
3RUBBER
4RUBBER
RH-231VHAT
NH-33VMDT
NH-47VMDT
{12.7
{15.88
{6.35
{9.52
3.0+/440VAC
30+/440VAC
45+/440VAC
50+/440VAC
{3.0X{1.8X800
{3.0X{2.0X700
{3.0X{1.6X350
2A
51
OPTIONAL PARTS14
Remove the air
filter and the
deodorizing
filter together.
Separate the deodorizing
filter (gray sponge type)
from the air filter.
Remove the air
filter and the
air cleaning filter
together.
Separate the air
cleaning filter
(white bellows type)
from the air filter.
14-1. AIR CLEANING FILTER
● If the air cleaning filter is clogged, it may lower the unit’s capacity or cause condensation at the air outlet .
● The air cleaning filter is disposable . The standard usable term is about 4 months . However , if the color of the filter
turns to dark brown , replace soon .
Models
MCF-13NVMCF-18NVMCF-24NV-
E4
E3
E3
Part No.
MAC - 1200 FT
14-2. DEODORIZING FILTER
● Clean the filter every two weeks . When it becomes too dirt , clean it more often .
● Replace the filter with a new one when its color can not be restored even after washing or when the filter becomes dark.
● Standard interval for the filter replacement is about 1 year .
Models
MCF-13NVMCF-18NVMCF-24NV-
E4
E3
E3
Part No.
MAC - 1700 DF
HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN
CC
Copyright 2001 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
Distributed in Apr. 2001. No.OB270 223
Made in Japan
New publication, effective Apr. 2001
Specifications subject to change without notice.
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