Toyotomi NTN-928R32 User Manual page 7

When it is cold and wet outside, the outdoor unit will develop frost over the heat exchanger which will decrease the
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heating capacity. Then the air conditioner will start defrost function.
During defrost, the air conditioner will stop heating for about 5-12 minutes.
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Vapor may come out from the outdoor unit during defrost. This is not a malfunction, but a result of fast defrost.
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Heating will resume after defrost is complete.
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NOTES FOR TURNING OFF THE AIR CONDITIONER
When the air conditioner is turned off, the main controller will automatically decide whether to stop immediately or
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after running for several seconds with lower frequency and lower air speed.
EMERGENCY OPERATION
If the remote controller is broken or lost,
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the air conditioner.
If this button is pushed when unit is OFF,
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mode.
If this button is pushed when unit is ON,
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ADJUSTMENT OF AIR FLOW DIRECTION
Use U/D SWING up-down swing and L/R SWING left-right swing buttons on the
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remote controller to adjust the air flow direction.
For the models without L/R SWING left-right swing function, the fins has to be
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moved manually.
Note: Move the fins while the air conditioner is not in operation, or your fingers might be
insured, and unit can also be damaged.
Never place your hands into the air inlet or outlet when the air conditioner is in operation.
PAY ATTENTION
Open front panel of indoor unit.
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The connector must not touch the terminal board, and is positioned as shown in Fig.
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CLEAN AND MAINTENANCE
CLEANING THE INDOOR UNIT
1. Turn off the unit and cut off the power supply. Wait after that at least 5 minutes before you start cleaning of the unit
otherwise there might be the risk of electric shock.
2. Clean the indoor unit (only the outside plastic parts) with dry or damp soft cloth in cold water. Do not spray or spill the
unit in order to clean it.
3. Clean air filters regularly, in order to avoid accumulation of dust that might affect the good performance of the air
conditioner. After removing the air filters, do not touch the metallic parts. It might cause injury.
4. Do not use water which temperature that exceeds 40
or discoloration.
5. Do not use liquids, hard detergents, thinner, gasoline or any other chemical product for cleaning. Otherwise plastic
parts of the air conditioner might be damaged or even cause electric shock.
CLEANING THE AIR FILTERS
Remove pre-filters and heathy filters
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 Use both hands to open the front panel for an angle from both ends of the panel in accordance with the direction of
the arrow, until it clamps in a certain position. Lift gently the pre-filters until they unclench, release them from the slot
and remove them.
use emergency switch button to operate
the air conditioner will operate in AUTO
the air conditioner will stop running.
o C to clean the front panel. Otherwise it may cause deformation
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