Mitsubishi Electronics PL30FK21 OC194-26, Indoor Unit Control, How to operate, Compressor control

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2. INDOOR UNIT CONTROL

2-1 COOL operation

 

 

SWING

 

TIMER OFF TIMER￿

CLOCK AUTO AUTO￿

FAN￿

 

CHECK SET TEMP.

START STOP

FILTER

SPEED

 

 

AUTO￿

CHECK MODE

 

 

RETURN

TEST RUN

<How to operate>

1Press POWER ON/OFF button.

2Press the MODE button to display COOL.

3Press the SET TEMP. button to set the desired temperature. NOTE: Set temperature changes 2°F when the SET TEMP. button

is pressed one time. Cooling 65 to 87°F.

<COOL operation time chart>

 

 

 

Operation starts by

 

Room temperature￿

 

Room temperature

 

 

Operation stops by￿

 

 

 

P O W E R b u t t o n￿

 

becomes equal to￿

 

rises

above set￿

 

 

P O W E R b u t t o n￿

 

 

 

ON.

 

set temperature.

 

temperature.

 

 

OFF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOW or HIGH

 

 

 

 

LOW or HIGH

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

Indoor fan

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Auto vane

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 minutes

Drain pump

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum 3 minutes

w1

 

 

 

 

 

 

w1 Even if the room temperature rise above the set temperature during this period, the compressor will not start until this period has ended.

(1)Compressor control

1 3-minute time delay

To prevent overload, the compressor will not start within 3 minutes after stop.

2 The compressor runs when room temperature is higher than set temperature.

The compressor stops when room temperature is equal to or lower than the set temperature.

The compressor maintains the previous state when the room temperature minus the set temperature is 0 degrees or more, or lower than 2 degrees.

3 The compressor stops in check mode or during protective functions.

4 Coil frost prevention

To prevent indoor coil frost, the compressor will stop when the indoor coil thermistor (RT2) reads 34°F or below after the compressor has been continuously operated for at least 16 minutes or more. When the indoor coil temperature rises to 50°F or above, the compressor will start in a 3-minute(w2) time delay.

w2 When the indoor coil temperature is 30°F or less, the compressor starts in 6 minutes.

NOTE : By turning OFF the dip switch SW1-3 on indoor controller board, the start temperature of coil frost prevention changes from 34°F to 36°F.

OC194-26

Image 26
Contents Contents OC194-1Technical Change OC194-2Models Cooling capacity FeaturesOC194-3 Advanced Microprocessor ControlOC194-4 Remote controller operation buttonsPart Names and Functions Remote controller display OC194-5Models PL12FK1, PL18/24FK21 SpecificationsOC194-6 OC194-7 Models PL30FK21, PL36FK31, PL42FK21Models PL12FK1, PL18/24/30FK21, PL36FK31, PL42FK21 DataOC194-8 Performance DataOC194-9 Performance CurveOC194-10 PL24FK2 1 Cooling Capacity PL30FK2 1 Cooling CapacityOC194-11 Condensing Pressure and Suction PressureOC194-12 OC194-13 Operating Range OC194-14Standard Operation Data PL12FK OC194-15Noise Criterion Curves PL18FK21PL42FK2 OC194-16PL24FK2 PL36FK31Indoor Unit Outlines and DimensionsOC194-17 PL12FK1/ 18/24FK21OC194-18 PL30FK21/ 36FK31/ 42FK21PL12FK1 Refrigerant System DiagramOC194-19 OC194-20 Wiring DiagramModels PL12FK1 PL18FK21 PL24FK21 Wiring Diagram Models PL30FK21 PL36FK31 PL42FK21 Wiring Diagram OC194-21Main Operation Operation FLOW-CHARTOC194-22 OC194-23 Cooling OperationOC194-24 DRY OperationOC194-25 Indoor unit Orders Remote controller LCD indicatorMicroprocessor Control Outline of Microprocessor ControlIndoor Unit Control How to operateOC194-26 Compressor controlOC194-27 Drain pump control OC194-28Detecting abnormalities in the outdoor unit Drain sensorDRY operation DRY operation time chart How to operateOC194-29 OC194-30 COOL/DRY operation OC194-31Swing Auto returnOC194-32 Timer operationTimer function Test run Before test runBefore emergency operation OC194-33Emergency operation OC194-34 DIP Switch FunctionsOn remote controller board On indoor controller boardOC194-35 Indoor FAN ControlTroubles in Test RUN TroubleshootingOC194-36 For group control using one remote controller When malfunction occurs during operationCheck mode OC194-37OC194-38 Wrong Wiring on Site OC194-39OC194-40 Other Troubles and CausesOC194-41 Vane motorOC194-42 Internal surface view of the grill 12 4-WAY AIR Flow SystemOC194-43 Relatively high ceiling OC194-44Regular ceiling height High ceiling17-11/16 Examples of application Precautions OC194-45OC194-46 Fresh-Air P-V curve OC194-47Duct Pressure Ambient air flow CFMDirection discharge 11-13/16O4 directions Branch Duct installation at siteOC194-48 Direction discharge 17-11/16O2 directionsOC194-49 PL30FK21/ 36FK31 PLH42FK21Variety of System Control Functions System ControlOC194-50 PAC-SA89TA-EALL OFF SW2 Group Control by a Single Remote ControllerOC194-51 How to set SW17-7 See Figure Control Using TWO Remote ControllersRemote ON-OFF and Individual Remote Controls Remote controller LCD indicationSwitch function of remote ON-OFF switch Individual Control by Grouping the Remote ControllersBasic wiring OC194-53OC194-54 Multiple Remote Control DisplayTimer Operation or the Operation by AN External Signal Auto Restart FunctionOC194-55 Disassembly ProcedureOperating Procedure PHOTOS&ILLUSTRATIONS Indoor unit PL24FK21OC194-56 PL12FK, PL18FK2, PL24FK2 Panel Parts Parts ListOC194-57 PL12FK1, PL18FK21, PL24FK21OC194-58 PL12FK, PL18FK2, PL24FK2 Functional PartsOC194-59 PL30FK21, PL36FK31, PL42FK21 OC194-60PL30FK2, PL36FK3, PL42FK2 Functional Parts OC194-61 T7W 413 OC194-62PL30FK2, PL36FK3, PL42FK2 Panel Parts R01 K21 691OC194-63 TimerOptional Parts Names and functions PAC-SC32PTA Weekly Timer Setting DisplayOC194-64 Current Time DisplayOC194-65 Timer AdapterMultiple Remote Controller Adapter PAC-SA89TA-E ORN BRN REDDistributed in Dec . No.OC256 Specifications are subject to change without notice

PL18FK21, PL30FK21, PL12FK1, PL36FK31, PL24FK21 specifications

Mitsubishi Electronics has long been recognized for its commitment to quality and innovation in the field of air conditioning systems. Among its impressive lineup, the models PL42FK21, PL24FK21, PL36FK31, PL12FK1, and PL30FK21 stand out for their advanced features, efficiency, and user-friendly designs.

The PL42FK21 is designed to deliver superior cooling and heating performance, making it suitable for larger spaces. With its high energy efficiency rating, it minimizes energy consumption while providing optimal comfort. This model is equipped with advanced inverter technology that regulates the compressor speed, ensuring the desired temperature is maintained without unnecessary fluctuations in power usage.

Next, the PL24FK21 offers similar efficiencies while accommodating medium-sized spaces. This model incorporates a streamlined design that blends with any interior, while its quiet operation ensures that it does not disrupt daily activities. Moreover, the model features a programmable timer and remote control, enhancing user convenience and comfort.

The PL36FK31 is another model that brings forth powerful performance, ideal for commercial applications or larger residential installations. It boasts superior airflow distribution, ensuring even cooling or heating throughout the desired area. The addition of a high-performance filter system helps to purify the air, making it a healthy option for families and workplaces alike.

For those seeking a compact solution, the PL12FK1 is a standout choice. This model excels in efficiency while maintaining a small footprint, making it perfect for apartments or smaller rooms. With its energy-saving capabilities and modern design, this unit combines functionality and style seamlessly.

Finally, the PL30FK21 balances performance with affordability. This model comes with a host of features, including an eco-friendly refrigerant that minimizes environmental impact. It also incorporates smart controls that enable users to manage their settings via mobile apps, adding a level of modern convenience that many consumers desire.

Each of these Mitsubishi models is built with durability in mind, ensuring they can withstand the rigors of daily use. Additionally, Mitsubishi Electronics provides exceptional customer support and warranty options, reflecting their commitment to customer satisfaction.

In summary, the PL42FK21, PL24FK21, PL36FK31, PL12FK1, and PL30FK21 from Mitsubishi Electronics exemplify the brand's dedication to innovation, efficiency, and user-friendliness in air conditioning technology. These models cater to a variety of spaces and user needs, making them a reliable choice for both residential and commercial applications.