Maintenance - Toshiba MMU-UP0151SH-E Installation Manual

Wireless remote controller
1
Turn on the power of the air conditioner.
When power is turned on for the first time
after installation, it takes approx. 5 minutes
until the remote controller becomes
available. In the case of subsequent power-
on, it takes approx. 1 minute until the remote
controller becomes available. Execute a test
run after the predetermined time has
passed.
2
Push "ON/OFF" button on the remote
controller, select [ Cool] or [
"MODE" button, and then select
[ HIGH] with "FAN" button.
3
Cooling test run Heating test run
Set the temperature to 17°C Set the temperature to 30°C
with the temp. setup buttons. with the temp. setup buttons.
4
Cooling test run Heating test run
After confirming a signal After confirming a signal
receiving sound "beep" receiving sound "beep"
immediately set the immediately set the
temperature to 18°C with the temperature to 29°C with the
temp. setup buttons. temp. setup buttons.
5
Cooling test run Heating test run
After confirming a signal After confirming a signal
receiving sound "beep" receiving sound "beep"
immediately set the immediately set the
temperature to 17°C with the temperature to 30°C with the
temp. setup buttons. temp. setup buttons.
6
4 5 4
Repeat procedures → → →
Indicators "Operation" (green), "Timer"
(green), and "Ready" (orange) in the
wireless receiver section flash in approx. 10
seconds, and the air conditioner starts
operation. If any of these indicators does not
flash, repeat procedures 2 to 5.
7
Upon completion of the test run, push
"ON/OFF" button to stop operation.
225-EN
<Overview of test run operations using the wireless
remote controller>
▼ Cooling test run:
ON/OFF → 17°C → 18°C → 17°C → 18°C → 17°C→
18°C → 17°C → (test run) → ON/OFF
▼ Heating test run:
ON/OFF → 30°C → 29°C → 30°C → 29°C → 30°C→
29°C → 30°C → (test run) → ON/OFF
Heat] with
5
.
– 113 –
10

Maintenance

CAUTION CAUTION
When connecting to an outdoor unit of R32 refrigerant and using a leak detector, be sure to turn on the circuit breaker
after maintenance to detect the leakage of refrigerant and take safety measures.
<Daily maintenance>
▼ Cleaning of air filter
1
Turn off the air conditioner
Set the circuit breaker to OFF.
2
Open the air intake grille.
• Remove the screws of air intake grille fixing
knob on a side of each filter.
• Holding knobs of the air intake grille, push the
grille backward (OPEN) and open the grille
quietly.
Knobs of air intake grille
Air intake grille
Air filter
3
Take out air filter.
• Push hooks of air filter and take out claw of the
air intake grille. Pull the air filter toward you to
take out the air filter.
Claw of air intake
grille
Air filter
Hook of air filter
Claw of air intake grille
Hooks of air filter
4
Vacuum dust with a cleaner or clean the air
filter with water.
• When dirt is heavy, it is effective to wash the air
filter with neutral detergent dissolved in tepid
water or cool water.
• After cleaning with water, dry the air filter
completely in the shade.
5
Install the air filter.
6
Close the air intake grille.
• Close the air intake grille, slide the knobs toward
you, and fix the grille securely.
• Fix the screws of air intake grille fixing knob on
a side of each filter.
Knobs of air intake grille
Air intake grille
Air filter
7
Set the circuit breaker to ON.
CAUTION CAUTION
Do not start the air conditioner while leaving air filter
removed.
226-EN