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 Page 7 

Manual Operations

3

   Manual 

Operations

This display panel on the indoor unit can be used to operate the unit in case the remote control has 

been misplaced or is out of batteries. 

Fig. 3.1

• 

MANUAL button: 

This button selects the mode in the following order: AUTO, FORCED COOL, OFF.

• 

FORCED COOL mode: 

In FORCED COOL mode, the Operation light flashes. The system will then 

turn to AUTO after it has cooled with a high wind speed for 30 minutes. The remote control will 

be disabled during this operation.  

• 

OFF mode: 

When the panel is turned OFF, the unit turns off and the remote control is re-enabled. 

Infrared receiver

Timer indicator

Alarm indicator

PRE-DEF 

(pre-heating/defrost) 

indicator  

Manual button

Operation indicator

LED display

Summary of Contents for SOPHIA CH-M12DTUI

Page 1: ...SOPHIA SERIES Duct Type IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Be sure to save this manual for future reference CH M09DTUI Models CH M1...

Page 2: ...Indoor Unit Parts and Major Functions 05 Manual Operations 07 Table of Contents User s Manual SAFETY FIRST Safety Precautions 04 1 2 3...

Page 3: ...e 08 a Unit Maintenance 08 b How to Clean the Air Filter 08 c Repairing Refrigerant Leaks 09 d Preparation for Periods of Non use 09 Troubleshooting 10 a Common Problems 10 b Troubleshooting Tips 11 D...

Page 4: ...installed by installers or contractors who are licensed HVAC professionals and in compliance with all local state and provincial laws Failure to observe a caution may result in injury or equipment dam...

Page 5: ...d in accordance with national wiring regulations The indoor unit must be installed 98 2 5m above floor This appliance is not intended for use by persons including children with reduced physical sensor...

Page 6: ...in the room DO NOT place objects near the air inlet and outlet of the unit Set a timer and use the built in SLEEP ECONOMY mode if applicable If you don t plan to use the unit for a long time remove th...

Page 7: ...TO FORCED COOL OFF FORCED COOL mode In FORCED COOL mode the Operation light flashes The system will then turn to AUTO after it has cooled with a high wind speed for 30 minutes The remote control will...

Page 8: ...em and disconnect the power supply before cleaning or maintenance DO NOT use chemicals or chemically treated cloths to clean the unit DO NOT use benzene paint thinner polishing powder or other solvent...

Page 9: ...play EC and the LED indicator light will flash Preparation For Periods Of Non Use Maintenance after Extended Non Use 1 Remove any obstacles blocking the vents of both the indoor and outdoor units 2 Cl...

Page 10: ...its setting to prevent frost from forming on the unit Once the temperature increases the unit will start operating again The set temperature has been reached at which point the unit turns off the comp...

Page 11: ...indoor or outdoor unit is dirty Clean the affected heat exchanger The air filter is dirty Remove the filter and clean it according to instructions The air inlet or outlet of either unit is blocked Tur...

Page 12: ...ad protection 1 On F0 11 Outdoor temperature sensor error 2 On F 1 12 Outdoor condenser pipe sensor error 3 On F2 13 Discharge air temperature sensor error 4 On F3 14 Outdoor EEPROM Electrically Erasa...

Page 13: ...llowing options Dispose of the appliance at designated municipal electronic waste collection facility When buying a new appliance the retailer will take back the old appliance free of charge The manuf...

Page 14: ...conditions limitations and exclusions listed below A warranty period of Seven 7 years on compressor to the original registered end user A warranty period of Five 5 years on all parts to the original r...

Page 15: ...lure damage or repairs due to faulty installation misapplication abuse improper servicing unauthorized alteration or improper operation 5 Failure to start due to voltage conditions blown fuses open ci...

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