Page 1
VRF (Variable Refrigerant Flow) User manual V22D***S6-5P • Thank you for purchasing this Lennox Product. • Before operating this unit, please read this manual carefully and retain it for future reference.
Contents Safety Information Safety Information At a Glance Indoor Unit Overview Operation Features Operating temperature and humidity Pairing an indoor unit with a remote control Cleaning and Maintenance Cleaning and Maintaining Cleaning the indoor unit exterior • Cleaning the outdoor unit heat exchanger Cleaning the air filter Periodical maintenance Troubleshooting...
Safety Information California Proposition 65 Warning (US) WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Before using your new air conditioner, please read this manual thoroughly to ensure that you know how to operate the extensive features and functions of your new appliance safely and efficiently. Because the following operating instructions cover various models, the characteristics of your air conditioner may differ slightly from those described in this manual.
Page 4
Safety Information Follow directions. Do NOT attempt. Make sure the machine is grounded to prevent electric shock. Cut-off the power supply. Do NOT disassemble. Symbol Meaning Flammable gas Flammable materials Refrigerant Refrigerant safety group Safety Group Read operating manual Refer to operating manual Read service manual 4 English...
FOR INSTALLATION WARNING Use the power line with the power specifications of the product or higher and use the power line for this appliance only. In addition, do not use an extension line. • Extending the power line may result in electric shock or fire. •...
Page 6
Safety Information This product is equipped with a refrigerant leak sensor for the purpose of safety. • To ensure normal operation of the refrigerant leak sensor, power must be supplied to the product at all times after installation, except when repairing it. Do not install this appliance near a heater, inflammable material.
Page 7
When installing the outdoor unit, make sure to connect the drain hose so that draining is performed correctly. • The water generated during the heating operation in the outdoor unit may overflow and result in property damage. In particular, in winter, if a block of ice falls, it may result in injury, death or property damage.
Page 8
Safety Information FOR USING WARNING If the appliance is flooded, please contact your nearest service center. • Failing to do so may result in electric shock or fire. If the appliance generates a strange noise, a burning smell or smoke, cut-off the power supply immediately and contact the nearest service center.
Page 9
Do not turn the air conditioner off with the circuit breaker while it is operating. • Turning the air conditioner off and then on again with the circuit breaker may cause a spark and result in electric shock or fire. After unpacking the air conditioner, keep all packaging materials well out of the reach of children, as packaging materials can be dangerous to children.
Page 10
Safety Information If any foreign substance such as water has entered the appliance, cut-off the power supply and contact the nearest service center. • Failing to do so may result in electric shock or fire. Do not attempt to repair, disassemble, or modify the appliance yourself.
Page 11
Do not stand on top of the appliance or place objects (such as laundry, lighted candles, lighted cigarettes, dishes, chemicals, metal objects, etc.) on the appliance. • This may result in electric shock, fire, problems with the product, or injury. Do not operate the appliance with wet hands.
Safety Information FOR CLEANING WARNING Do not clean the appliance by spraying water directly onto it. Do not use benzene, thinner, alcohol or acetone to clean the appliance. • This may result in discoloration, deformation, damage, electric shock or fire. Before cleaning or performing maintenance, cut-off the power supply and wait until the fan stops.
Indoor Unit Overview The indoor unit and its display may look slightly different from the illustration shown below, depending on the model and the panel type. 01 Display Indication Function On/Off operation indicator Removing frost indicator Timer indicator 02 Air flow blade/Air outlet (inside) / Filter cleaning indicator WindFree panel (You can use the WindFree Cooling function...
Operation Features Operating temperature and humidity When using the air conditioner follow the operating temperature and humidity ranges. Mode Indoor temperature Outdoor temperature Indoor humidity Cool mode 64 ˚F ~ 90 ˚F Depending on the outdoor (18~32 °C) Dry mode 80% or less unit specification Heat mode...
Pairing an indoor unit with a remote control Use the Zone function to assign numbers to multiple indoor units installed in the same space, and control individual indoor units. ▶ ▶ Select Zones. ▶ Select the desired ▶ ▶ ▶ indoor unit.
Safety Information Cleaning and Maintaining Before cleaning the indoor unit, be sure to turn off the auxiliary power switch. Cleaning the indoor unit exterior Wipe the surface of the unit with a slightly wet or dry cloth when needed. Wipe off dirt of odd-shaped areas by using a soft brush.
Cleaning the air filter CAUTION • Be sure to hold the grille with a hand to prevent dropping from the opening of the front grille. 1 Detaching the air filter Push down the hooks at each side of the front grille to open the grille.
Page 18
Safety Information Cleaning and Maintaining 3 Reassembling the air filter CAUTION • If the indoor unit is used without the air filter, the indoor unit may be damaged due to dust. 18 English...
Page 19
4 Resetting the filter-cleaning reminder Programmable Wired Controller After cleaning and reassembling the air filter, be sure to reset the filter-cleaning reminder as follows : • Indoor unit with the wired remote control: Option a. Press the button to display the Option Filter Reset menu.
Page 20
Safety Information Cleaning and Maintaining Wireless Remote Control • Indoor unit with the wireless remote control: In operation ▶ ▶ Select ▶ ▶ Settings. Select ▶ ▶ Filter reset. ▶ CAUTION • The filter reset indicator blinks when the air filter should be cleaned.
Periodical maintenance Requires Unit Maintenance item Interval qualified technicians Clean the air filter. At least once a month Clean the condensate drain pan. Once a year Required Indoor Clean the heat exchanger. Once a year Required unit Clean the condensate drain pipe. Once every 4 months Required Replace R-32 detecting sensor 10 years...
Safety Information Cleaning and Maintaining Troubleshooting Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expense. Problem Solution • Connect an R-32-capable wired remote control. The product does not work. * VSTAT04P-1 Error E694 * R-32-capable wired remote controls should be purchased separately.
Page 23
Problem Solution • This error occurs when the R-32 refrigerant sensor has a malfunction or the sensor’s life has expired. • Display ‘E116’ or ‘E698’ when a sensor failure occurs The product does not • The R-32 sensor’s lifespan is 10 years. work.
Page 24
Safety Information Cleaning and Maintaining Problem Solution • Check whether the Auto or Dry mode is running. In these modes, the air The fan speed does not conditioner controls the fan speed automatically, and you cannot change change. the fan speed. •...
Page 25
Problem Solution • In the Cool mode, cool air does not come out if the set temperature is higher than the current temperature. – Remote control: Press the Temperature button repeatedly until the set temperature [minimum: 64°F (18°C)] is set to lower than the current temperature.
Page 26
Safety Information Cleaning and Maintaining Problem Solution • If the air conditioner is running in a smoky area or if there is a smell entering from outside, ventilate the room properly. • If both indoor temperature and indoor humidity are high, operate the air conditioner in the Clean or Fan mode for 1 to 2 hours.
Page 28
Visit us at www.lennox.com For the latest technical information, www.lennoxcommercial.com Contact us at 1-800-4-LENNOX COUNTRY CALL OR VISIT US ONLINE AT www.lennox.com for homeowners, AMERICA 800-953-6669 www.lennoxpros.com for dealer/contractor...
Need help?
Do you have a question about the V22D S6-5P Series and is the answer not in the manual?
Questions and answers