Related Manuals for Lennox MS7
Summary of Contents for Lennox MS7
- Page 1 E 2011 Lennox Industries Inc. Dallas, Texas, USA 506789−01 08/2011 Single−Zone Mini−Split System Air Conditioners and Heat Pumps This manual is the property of the homeowner and must be left with the user.
- Page 2 Warnings WARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD. Failure to follow safety warnings exactly could result in dangerous op- eration, serious injury, death or property damage. Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional installer (or equivalent), or a service agency.
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Page 3: Parts Arrangement
Parts Arrangement Indoor unit (Typical indoor unit shown. Actual unit may be slightly different.) Air inlet Front Panel Display Filter Wrapping Tape Wall Pipe Directional Louver Air outlet Wireless remote control Indoor Unit Display Receiver Cooling Power/Run Heating Temperature Dehumidification Setting (or error code) Outdoor unit... -
Page 4: System Operation
Important Operating Instructions IMPORTANT To ensure comfort, make sure that temperature selection has been properly set at the remote control. To ensure efficient operation, do not block air intake or outlet at either the indoor or outdoor unit. Do not stand on outdoor unit or store items on top of unit. Make sure that indoor unit directional louver is properly adjusted. -
Page 5: Wireless Remote Functions
Wireless Remote Functions The wireless remote control provides system control to the homeowner at the touch of a button. The indoor unit and remote control send information back and forth continuously. The remote control must be placed on a table or other surface in direct line of sight with the indoor unit infrared receiver. - Page 6 Wireless Remote Functions (Continued) CLOCK button TEMP button Use the CLOCK button to ad- Use the TEMP button to just the time displayed on the change the temperature dis- remote control. Press the play shown on the remote CLOCK button once. The control.
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Page 7: Switch From °C To °F
Wireless Remote Functions (Continued) TIMER ON button SWITCH FROM °C TO °F Use the TIMER ON button With system OFF, press to initiate or cancel a single MODE and − buttons timed−on event. Use this simultaneously to switch feature to bring the system from Centigrade to on just before you return Fahrenheit. -
Page 8: System Start Up Using Wireless Remote
System Start Up Using Wireless Remote General Operation 1 − Press ON/OFF button once to turn system on. 2 − Press MODE button until desired operating mode icon is displayed. NOTE − When AUTO mode is selected, the temperature setting is not displayed on the remote control. -
Page 9: Remote Control Batteries
Remote Control Batteries The wireless remote control requires two AAA, 1.5V batter- ies. DO NOT attempt to use any other type of battery. Follow the steps below and in the illustrations to replace the batteries when necessary. 1 − Place thumb on at the top of the battery access panel on the back of the remote control. -
Page 10: Indoor Unit Filters
Maintenance WARNING! Turn off all power to unit at unit disconnect switch or circuit breaker before performing any maintenance procedures! Failure to follow this warning could lead to personal injury or death. Coil fins are very sharp! Take care not to touch the fins in order to avoid injury. -
Page 11: Troubleshooting
Troubleshooting WARNING! ELECTRICAL SHOCK HAZARD! Never attempt to repair the indoor or outdoor unit yourself. System repairs must be performed by a licensed, professional technician, or equivalent. If any of the following conditions exist, immediately turn the system (indoor and outdoor units) off at the unit disconnect switch and call a licensed professional technician, or equiva- lent, for repairs D There is a very loud sound during unit operation. -
Page 12: Error Codes
Troubleshooting (Continued) Problem Possible Cause Water is leaking from condensate line at Check condensate line outside to make sure it is indoor unit. not obstructed. Check condensate line to make sure it has not been disconnected from indoor unit. Water is leaking from the outdoor unit. During operation in high−humidity areas, conden- sate will form on cold outdoor refrigerant pipes.