18
English-18
8
MAINTENANCE
WARNING
Be sure to turn off the main power switch prior to the maintenance.
• Please do not intend to do the daily maintenance and/or Air Filter cleaning by yourself.
Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to
have a service person do it. Do not attempt it yourself.
Daily maintenance
• For daily maintenance including Air Filter cleaning, make sure to ask the qualified service person particularly
following models;
4-way Air Discharge Cassette Type
Concealed Duct Standard Type
Under Ceiling Type
2-way Air Discharge Cassette Type
Slim Duct Type
1-way Air Discharge Cassette Type
Concealed Duct High Static Pressure Type
Cleaning of air filters
Clogging of air filters will reduce the cooling and heating performance.
1
When “ FILTER” appears on the remote controller,
clean the air filters.
2
When the cleaning of air filters has been completed,
push
FILTER
RESET
button. “ FILTER” disappears.
CAUTION
Cleaning of unit
Clean the unit with a soft dry cloth.
If dirt cannot be removed with the dry cloth, use a cloth slightly dampened with lukewarm (under 40 °C) water.
Cleaning of remote controller
• Use a dry cloth to wipe the remote controller.
• A cloth dampened with cold water may be used on the indoor unit if it is very dirty.
• Never use a damp cloth on the remote controller.
• Do not use a chemically-treated duster for wiping or leave such materials
on the unit for long. It may damage or fade the surface of the unit.
• Do not use benzine, thinner, polishing powder, or similar solvents for cleaning.
These may cause the plastic surface to crack or deform.
Periodic check
Long-period use of the air conditioner may cause deterioration or failure of parts due to heat,
humidity, dust, and operating conditions, or may cause poor drainage of dehumidified water.
If you do not plan to use the unit for more than 1 month
1) Operate the fan for 3 to 4 hours to dry inside the unit.
• Operate “FAN” mode.
2) Stop the air conditioner and turn off the main power switch or the circuit breaker.
Checks before operation
1) Check that the air filters are installed.
2) Check that the air outlet or inlet is not blocked.
3) Turn on the main power switch or the circuit breaker for the main power supply to the air conditioner.
2
1
SET
TIME
TIMER SET
TEST
FILTER
LL
RESET
TEMP.
CL
FAN
SAVE
A
A
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
T
Thinner
Summary of Contents for MMU-AP0071MH
Page 194: ...193 1 194 2 196 3 199 4 202 5 203 6 208 7 209 8 210 9 214 10 215 HFC R410A R22 China 1 ...
Page 195: ...194 1 China 2 ...
Page 196: ...195 1 China 3 ...
Page 198: ...197 MMU AP0071YH AP0121YH MMU AP0152SH AP0182SH AP0242SH 2 China 5 ...
Page 199: ...198 MMK AP0071H AP0241H MMK AP0073H AP0243H MMK AP0072H AP0122H China 6 ...
Page 204: ...203 30 PRE HEAT 5 SWING FIX 4 China 11 ...
Page 205: ...204 1H SWING 2H China 12 ...
Page 208: ...207 1 2 1H 2H 3H 2SH 1 2 3 4 5 1YH 5 China 15 ...
Page 210: ...209 7 1 m 80 China 17 ...
Page 212: ...211 8 China 19 ...
Page 213: ...212 1H 2H 3H 2H 3H 1 2 3 4 5 China 20 ...
Page 214: ...213 8 China 21 ...
Page 216: ...215 10 ON OFF ON China 23 ...
