Unical CMCS 12HI User Manual Download Page 24 | Manualshive

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• When a power failure occurs during operation, the air conditioner stops immediately.
• When power is restored, the "OPERATION" lamp on the Indoor Unit starts blinking.
• In particular, the air conditioner will restart automatically after 3 minutes have elapsed
since power is restored. This means that it is not required to press the "ON/OFF" button
on the remote control.
The settings will be the same as before the blackout.
However, it is necessary to program TIMER again, as in case of a blackout, TIMER
settings for automatic start/stop of the air conditioner are cancelled.

9. AUTOMATIC RESTART AFTER A POWER FAILURE

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Summary of Contents for CMCS 12HI

Page 1: ...CMCS 12HI CMCS 18HI User Manual ...

Page 2: ... UNIT 12 5 ADJUSTING THE AIRFLOW DIRECTION 13 6 EMERGENCY OPERATION TEST SWITCH 14 7 ORDINARY MAINTENANCE AND ADVICE FOR USE 15 8 TROUBLESHOOTING 20 9 AUTOMATIC RESTART AFTER A POWER FAILURE 24 WARNING thank you for purchasing our product BEFORE USING YOUR NEW AIR CONDITIONER please read thIs manual and keep it for FUTURE REFERENCE ...

Page 3: ...F is set by 0 5 hours steps If the set time exceeds 10 hours the TIMER OFF is set by 1 hour s steps The air conditioner s start and or stop may also be programmed in sequence within 24 hours DRY FUNCTION When DRY function is selected the air conditioner strongly reduces humidity inside the room and also keeps the room temperature at a constant value ADVANCED CONTROL FOR INDOOR UNIT S FAN Thermosta...

Page 4: ...for next start of the air conditioner On Cassette 60x60 Model button is disabled so the left right air flow direction cannot be adjusted AUTORESTART AFTER A POWER FAILURE When a power failure occurs during operation the air conditioner immediately stops When power is restored OPERATION lamp starts blinking In particular the air conditioner will automatically restart after 3 minutes have elapsed si...

Page 5: ...door Unit s heat exchanger Besides scalings of saltness could form on the Outdoor Units installed in sea surroundings if not removed they will damage the Units in a very short time In both cases contact the Authorized Technical Service to require frequent maintenance Outdoor temperature 15 C to 43 C Room temperature 17 C to 32 C COOLING OPERATION CAUTION Room relative humidity should be less than ...

Page 6: ...on Do not damage any parts of the air conditioner that carry refrigerant by piercing or perforating the piping with sharp or pointed objects by crushing or twisting the tubes or scraping off the surfaces coatings If the refrigerant spurts out and gets into eyes this may result in serious injuries Do not obstruct or cover the ventilation grille of the air conditioner Do not put fingers nor insert o...

Page 7: ...responding to the Instructions is verified please contact the Dealer or the Authorized Technical Service The User must never attempt to repair install or perform special maintenance by himself Key to symbols WARNING This symbol points out the risk of serious injury or death This symbol points out the risk of injury or damage to the property Prohibition Action or procedure not allowed with serious ...

Page 8: ...on has been carried out according to the following prescriptions WARNING When installing all possible countermeasures must be taken to avoid refrigerant leaks If there is a high concentration of refrigerant gas in the room oxygen lack may occur Do not install the air conditioner near burners heat sources or flammable gas This is to avoid the risk of malfunctioning fire or explosion Ensure that a c...

Page 9: ...e socket may occur and this could result in electric shock or fire generation Never turn off the air conditioner by pulling the power supply plug out of the socket This could cause electric shock or fire Always press the ON OFF button on remote controller Do not use extension cords Do not use rolled power supply cords Never touch switches sockets or power supply plugs with wet hands This could cau...

Page 10: ...tion should be operated when using the air conditioner and gas burners at the same time Insufficient ventilation will cause lack of oxygen Do not place burners near the airflow of air conditioner To avoid the risk of electric shock do not sprinkle water or other liquid on Indoor Unit Do not clean the air conditioner by water spurts Do not expose food animals precision devices or works of art to th...

Page 11: ...t 1 2 3 4 5 6 7 8 9 10 11 12 Airflow louver at air outlet Drain pump drain water from Indoor Unit Drain pipe Air outlet Air filter inside air in grill Air inlet Air in grill Display panel IR Remote Controller Refrigerant pipe Air inlet Air outlet INDOOR UNIT OUTDOOR UNIT 3 10 11 11 12 1 5 7 8 2 4 6 9 MO DE FA N TE MP SL EE P FR ES H LE D FO LLO W ME TU RB O SEL F CLE AN ON O FF EC O TIM ER ON TIM ...

Page 12: ...door heat exchanger defrosting automatically starts and the LED lights up The LED also lights up when indoor heat exchanger s Preheating function is activated This occurs in Heating mode in order to avoid the emission of air at low temperature prevention function anti cold drafts ALARM LED The LED flashes when the level in the water condensate pan exceeds the operation limit This also makes the co...

Page 13: ... the Figure below When the Unit is stopped the motorized louver automatically moves to the closing position Never move the motorized louver by hand but always use the remote controller Moving it by hand may damage the control mechanism In case the flaps do not move correctly stop the Unit and restart it again after a few minutes In Cool and Dry modes the flaps should not be oriented downwards for ...

Page 14: ...E AIR CONDITIONER IN FORCED COOLING MODE Press the Temporary button twice OPERATION LED starts flashing The air conditioner will start operating in forced COOL mode at HIGH fan speed for 30 minutes Then operation will switch to AUTO mode During the Test signals transmitted by the remote controller cannot be received by Indoor Unit NOTE Do not use Test mode for normal operation End of operation in ...

Page 15: ...on the appliance and on the remote controller The use of very hot water over 40 C may discolour and or deform the plastic parts Indoor Unit s cleaning NOTES If the appliance or the inlet grille are very dirty clean them with a cloth soaked in tepid water and neutral detergent Rinse in clean watrer and dry well The presency of humidity on the inlet grille may cause electric shocks Never use any abr...

Page 16: ...ixed joints Close the inlet grille After removing the filters do not touch the metallic flaps of indoor heat exchanger as they are sharp and may hurt you Do not operate the Unit without the air filter CLEAN THE AIR FILTERS EVERY 2 WEEKS CAUTION NOTES The filters must always be clean if they are clogged with dust or other solid particles in general the cooling and heating capacity of the air condit...

Page 17: ...h cable is not interrupted and well connected An incorrect or inexistent earth connection may cause the danger of electric shocks CAUTION Air filter Check if there is the filter on the Indoor Unit The filter must be clean In case there is no filter or the filter is dirty reinsert or clean it Remote controller s batteries Insert batteries in the remote controller s battery case Unit s start The Out...

Page 18: ...eventing the forming of moulds and or bad smells Disconnect the appliance from the power supply Stop the air conditioner by pressing ON OFF button on remote controller move the circuit breaker to OFF or 0 and pull the plug out of the power socket This is necessary as the appliance consumes a little quantity of electricity even if it is stopped Clean and reinstall the air filter Clean the body or t...

Page 19: ...ns may intervene and the air conditioner will stop operation Reduce the exposure to sunlight In Cool mode protect the window panes by curtains or shutters In this way you can obtain more comfort and a reduction in electricity consumption Use TIMER function moderately Do not select operating intervals higher than real comfort needs and consider above all the real stay of people inside the air condi...

Page 20: ...a hissing sound coming from the refrigerant circuit This is the noise of refrigerant caused by flow stop or flow change The tone of operating noise changes This noise is caused by the change of frequency The Unit can absorb the smell of rooms furniture cigarettes etc and then emits it again Dust comes out of the Indoor Unit The Indoor Unit gives off bad smells During operation in HEAT mode This is...

Page 21: ... set After a lapse of time TIMER OFF indication disappears from the display The air conditioner automatically stops at set time and TIMER indication on remote controller goes off TIMER indications displayed on remote controller go off WHAT HAPPENS CHECK POSSIBLE REASON Checkifremotecontrollerisactually turned to the receiver on the Indoor Unit and that no obstacles are placed between them When pre...

Page 22: ...gerating circuit Compressor s malfunction Voltage is too high or too low System circuit is blocked Check leakage and rightly recharge refrigerant Vacuumize and rightly recharge refrigerant Repair or replace compressor Install a manostat Find reasons and solution Low cooling effect Heat exchanger on Indoor and Outdoor Units is dirty Air filter is dirty Air inlets and outlets on Indoor Outdoor Units...

Page 23: ...ly stop operation turn off the main switch and contact the Authorized Technical Service You smell something burning OPERATION LED on Indoor Unit is flashing rapidly 5Hz This lamp is still flashing rapidly after turning off the power and turn on again Remote controller is malfunctioning or its buttons do not work well A safety device such as a fuse or a breaker frequently actuates Obstacles or wate...

Page 24: ... restart automatically after 3 minutes have elapsed since power is restored This means that it is not required to press the ON OFF button on the remote control The settings will be the same as before the blackout However it is necessary to program TIMER again as in case of a blackout TIMER settings for automatic start stop of the air conditioner are cancelled 9 AUTOMATIC RESTART AFTER A POWER FAIL...

Page 25: ...NOTES ...

Page 26: ...NOTES ...

Page 27: ...NOTES ...

Page 28: ...00335962 02 2016 ...

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