Carrier 38AN,BK specifications Will stop30secondsafterthecompressorstopsAfter

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will stop30secondsafterthecompressorstopsAfter.

3 minutes,theindoorfanrunsatultra-lowspeedfor 30secondsThenormaldehumidificationoperationisre.- peatedforthenewlysensedroomtemperature.

3.Whentheroomtemperatureisequaltoorgreaterthan 4°Fbelowtheselectedtemperature,thesystemoperates asfollows:Thecompressorandoutdoorfanoperatefor 3minutesTheindoorfanwilloperateultra.-lowspeed andwillstop30secondsafterthecompressorstopsAf.- ter4or5minutes,theindoorfanstartsinultra-lowspeed

for30secondsThe. normal dehumidification operation is

repeated for the newly sensed room temperature. If the room temperature is still 4° F below the selected tem- perature, the compressor, outdoor fan, and indoor fan re- main off. After 7_A minutes, the indoor fan operates at ultra-low speed for 30 seconds. The normal dehumidifi- cation operation is repeated for the newly sensed room temperature.

•Heat Pump Heating Mode (Heat Pump Systems Only) -- When the Heat Pump mode is selected, the indoor fan will operate at the selected speed if the speed is high, medium, or low, unless overridden by the coil temperature (to pre- vent cold drafts). If the indoor fan is in Auto. mode, the fan will change operating speeds depending on the differ- ence between the room temperature, the set point, and the coil temperature. The reversing valve will be deenergized.

The compressor cannot run for 3 minutes from the time the system starts up or for 3 minutes from the time it last operated. When the temperature of the room is 8 ° F below the selected temperature, the unit will operate in Heat Pump mode until the temperature is 6° F above the selected tem- perature, or the compressor runs for 40 minutes (which- ever comes first). If the temperature of the room is less than 7 ° F below or equal to the selected temperature, the unit operates in Heat Pump mode until the selected set point temperature plus 2 ° F is reached.

•Electric Heat in Heat Pump Heating Mode (40QNH012 Heat Pump Unit Only) -- Supplemental electric heat is enabled when the outside-air thermistor located in the out- door unit is below 40 F and the room temperature ther- mistor is equal to or less than 5.4 ° F below set point. Elec- tric heat will remain on until 1.8 ° F above set point, then will turn off. Fan operation will be the same as described previously in the heat pump heating mode.

NOTE: Electric heat control cannot be overridden.

•Demand Defrost Mode (Heat Pump Systems Only) -- This unit uses a demand defrost system to remove frost from the outdoor coil during heating operation. The indoor and outdoor fans are shut off during Defrost mode. See Fig. 16. For 40QNH units, the electric heat is off during Defrost mode.

•Sleep Mode -- The Sleep mode timer turns the unit off when the timer reaches zero minutes. The durations that

can be selected are 1, 2, 3, or 7 hours. After the initial 30 minutes, the user set point shifts approximtely 1° F warmer. This sequence repeats itself every 40 minutes up to a total

of 150 minutes. When Sleep mode is enabled, the display on the remote controller is dimmed.

•ON/OFF Timer Mode -- The ON/OFF timer will turn the

unit on or off at a user selectable on and off time (this is one time event only). The unit will start in the same mode and at the same selected temperature as when the system shut off. If the room temperature is not within approxi-

mately 5 ° F of the set point 40 minutes before start-up, the unit runs before the user selected on time is reached to

achieve the set point temperature at start-up.

•Automatic Operation Mode for Cooling Only Systems -- The unit samples the air in the room. Based on the room temperature, the unit selects one of the following modes:

1.Cooling Mode -- If the room temperature is more than

82.4F with a preset temperature of 78.8 F.

2.Dry Mode -- If the room temperature is more than

75.2F and less than 82.4 F with a preset temperature of 77 F.

3.Fan Only Mode -- lfthe room temperature is less than

75.2E

The preset temperature can be changed by a-4° F using the remote control.

•Automatic Operation Mode for Heat Pump Systems -- The operation mode will be determined aider 20 seconds of room monitoring (to determine the room temperature and the outdoor-air temperature).

•Test Mode -- The Test mode can be selected by setting

the slide switch on the fan coil unit to TEST position. The slide switch is located on the front of the unit as shown in

Fig. 17. The fan coil unit will start immediately (there is no compressor time delay when using Test mode) in Cool- ing mode with an infinitely low set point. The indoor fan speed will be at the high setting, and the swing louvers will be on (moving up and down).

NOTE: The unit cannot be controlled by the remote con- troller until the slide switch is returned to the REMOTE

position.

•Emergency Mode --This mode is only to be used if the remote controller is lost, damaged, or the batteries are dis- charged. To initiate emergency mode, manually move the slide switch on the fan coil unit to the EMER position (Fig. 17). The unit is automatically operated in cooling or heating (40QNE/H units only) mode according to room temperature. Emergency operation settings are as follows:

1.Operation mode: AUTO.

2.Fan speed: AUTO.

3.Cooling set point: 77 F

4.Timer mode: Continuous

NOTE: The unit cannot be controlled by the remote con- troller until the slide switch is returned to the REMOTE

position.

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Contents Service Instructions System Combinations for Indoor Outdoor Units System Indoor Outdoor UnitCooling HeatingHigh Wall Unit Package Contents LiiPhysical Data, 38AN Cooling Only Condensing Units Physical Data, 40QNB Cooling Only High Wall UnitsUnit 38BK Physical Data, 38BK009,012 Outdoor Heat Pump UnitsRefrigerant Type Physical Data, 40QNEIH Heat Pump High Wall Units Operating WeightUnit Ciso,..5s 40QN Dimensional Drawing Unit WeightabcSystem Piston Guide Refrigerant Charges Fig, 6 --Maximum System Line LengthsMAX Hi--till/I/IRear Piping Size 009 Shown Wall Hole Location For Fan Coil Unit?q,ElldIi Flare Nut Tightening Torque PR ,LI-1,IIIj i Flare NUT Tube TorqueVoltagerange Compressor FAN Electric Heater DataLRA RLA FLA Service Cover Outdoor Unit InstallFan Coil Unit Onto Mounting BracketIndoor and Outdoor Unit Wireless Remote Controllers --A wireless remote START-UPMicroprocessor Control Operation --This sys HeatWill stop30secondsafterthecompressorstopsAfter Outdoorair Temperaturef Emer --EmergencyCleaning and Maintenance Schedule To Install or Replace Remote Controller BatteriesTask Monthly Quarterly Yearly Indoor Unit To Clean Condensate Drains-- Clean all drains To Clean Indoor Coil --To clean the coil, removeRemovecover SET TimeSystemFault Codes NO. of Quick System Fault LED FlashesTroubleshooting Problem Potential Source Action40QN Thermistor Properties Minimum Nominal Maximum Temp Thermistor Ohms Volts -- DCWall CAP Wireless CONTROLLER*AIRFLOWTo Opendrain Aging CAP CH Comp EMI FMC GND IFM JEM-AOFM PCB PTC RCVFl I rl Control 38BK009 with 40QNE009 Heat Pump System Wiring Diagram Control PCB A55 Y Page

38AN,BK specifications

The Carrier 38AN,BK is a distinguished model in the world of air conditioning, known for its advanced features, innovative technologies, and exceptional performance. This air conditioning unit is particularly favored for residential and small commercial applications, offering a perfect blend of efficiency, reliability, and comfort.

One of the main features of the Carrier 38AN,BK is its high energy efficiency, which is crucial in today’s eco-conscious environment. With a Seasonal Energy Efficiency Ratio (SEER) rating that often exceeds industry standards, this unit ensures minimal energy consumption while providing powerful cooling capabilities. This not only contributes to lower utility bills but also reduces the overall carbon footprint.

The Carrier 38AN,BK employs advanced cooling technologies that make it a standout choice. One notable feature is its use of a scroll compressor, which operates with fewer moving parts than traditional models, resulting in reduced noise levels and enhanced durability. This compressor design also ensures a smoother operation, translating to consistent temperature control and a more comfortable indoor environment.

Another innovative technology incorporated in the Carrier 38AN,BK is the use of smart controls, allowing users to easily adjust settings and monitor performance through compatible smart devices. This feature adds convenience and flexibility, enabling homeowners to manage their home climate efficiently, even when they are away.

In terms of construction, the Carrier 38AN,BK’s robust design includes a galvanized steel cabinet that is resistant to corrosion and designed to withstand adverse weather conditions. This ensures longevity and reliable performance throughout the year. Additionally, the unit features advanced filtration systems that help improve indoor air quality by reducing allergens and pollutants, further enhancing user comfort.

Furthermore, the Carrier 38AN,BK is designed to operate quietly, making it an ideal choice for bedrooms and other quiet spaces. Its noise reduction features, combined with its energy-saving capabilities, position it as an attractive choice for a wide range of applications.

In summary, the Carrier 38AN,BK air conditioning unit excels in efficiency, advanced technologies, and user-friendly features. Its reliable design and quiet operation make it a top choice for anyone seeking effective and environmentally responsible cooling solutions. As both technology-savvy and eco-friendly, it meets the demands of modern homeowners while delivering exceptional comfort year-round.
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