Mitsubishi Electronics PL24FK21, PL42FK21, PL36FK31, PL30FK21, PL18FK21, PL12FK1 OC194-41, Vane motor

Page 41

4. How to check the parts PL12FK1/18FK21/24FK21/30FK21/36FK31/42FK21

Parts name

 

 

￿

 

 

 

 

 

 

Check points

 

￿

 

 

 

 

 

 

 

 

 

 

Room temperature

 

Disconnect the connector then measure the resistance using a tester.

thermistor

(TH1)

 

(Surrounding temperature 50-F~86-F)

 

 

 

 

 

 

Liquid pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

Abnormal

 

(Refer to the thermistor)

thermistor

(TH2)

 

 

 

 

 

 

 

 

 

 

 

 

 

4.3k"~9.6k"

 

Open or short

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vane motor

 

 

 

 

 

Measure the resistance between the terminals using a tester.￿

White 4

 

 

 

 

 

(Surrounding temperature 68-F~86-F)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

 

 

 

Connector

 

Normal

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orange 2

 

 

 

 

Red — Yellow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red — Blue

 

 

 

 

 

 

 

 

 

 

 

 

Red 1

 

 

 

 

 

 

300"

 

 

 

 

Open or short

 

 

 

 

5

 

 

3

 

Red — Orange

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blue

Yellow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red — White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan motor

 

 

 

 

 

Measure the resistance between the terminals using a tester.

 

Relay connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motor terminal

 

 

 

Normal

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red

 

1

 

 

 

 

 

PL

 

 

 

 

 

 

1

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Relay connector

 

 

 

 

 

 

 

 

 

 

 

 

 

2

White

2

 

 

12/18FK

 

24FK

 

30,36FK

42FK

 

 

 

 

 

 

 

 

 

 

 

3

Black

 

Red-Black

110.9"

 

101.7"

 

122.0"

101.7"

 

Open or short

 

 

3

 

 

 

 

 

 

 

White-Black

132.5"

 

121.4"

 

141.8"

121.4"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Protector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Drain￿

pump

 

 

 

 

 

Measure the resistance between the terminals using a tester.￿

 

 

 

 

 

 

 

(Surrounding temperature 68-F~86-F)

 

 

 

 

 

 

 

Yellow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

Normal

 

Abnormal

 

 

 

 

 

 

 

 

2

 

 

 

101"

 

Open or short

 

 

 

 

 

 

 

Yellow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Drain sensor

 

 

 

 

Measure the resistance between the terminals using a tester.￿

 

 

 

 

 

 

 

(Surrounding temperature 50-F~86-F)

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

Abnormal

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Refer to the thermistor)

 

 

 

 

 

0.6k"~6.0k"

 

Open or short

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OC194-41

Image 41
Contents OC194-1 ContentsOC194-2 Technical ChangeOC194-3 FeaturesModels Cooling capacity Advanced Microprocessor ControlOC194-4 Remote controller operation buttonsPart Names and Functions OC194-5 Remote controller displayModels PL12FK1, PL18/24FK21 SpecificationsOC194-6 Models PL30FK21, PL36FK31, PL42FK21 OC194-7OC194-8 DataModels PL12FK1, PL18/24/30FK21, PL36FK31, PL42FK21 Performance DataPerformance Curve OC194-9PL24FK2 1 Cooling Capacity PL30FK2 1 Cooling Capacity OC194-10Condensing Pressure and Suction Pressure OC194-11OC194-12 OC194-13 Operating Range OC194-14Standard Operation Data Noise Criterion Curves OC194-15PL12FK PL18FK21PL24FK2 OC194-16PL42FK2 PL36FK31OC194-17 Outlines and DimensionsIndoor Unit PL12FK1/ 18/24FK21PL30FK21/ 36FK31/ 42FK21 OC194-18PL12FK1 Refrigerant System DiagramOC194-19 OC194-20 Wiring DiagramModels PL12FK1 PL18FK21 PL24FK21 Wiring Diagram OC194-21 Models PL30FK21 PL36FK31 PL42FK21 Wiring DiagramMain Operation Operation FLOW-CHARTOC194-22 Cooling Operation OC194-23DRY Operation OC194-24Microprocessor Control Indoor unit Orders Remote controller LCD indicatorOC194-25 Outline of Microprocessor ControlOC194-26 How to operateIndoor Unit Control Compressor controlOC194-27 Detecting abnormalities in the outdoor unit OC194-28Drain pump control Drain sensorDRY operation DRY operation time chart How to operateOC194-29 OC194-30 Swing OC194-31COOL/DRY operation Auto returnTimer function Timer operationOC194-32 Test run Before test runBefore emergency operation OC194-33Emergency operation On remote controller board DIP Switch FunctionsOC194-34 On indoor controller boardIndoor FAN Control OC194-35Troubles in Test RUN TroubleshootingOC194-36 Check mode When malfunction occurs during operationFor group control using one remote controller OC194-37OC194-38 OC194-39 Wrong Wiring on SiteOther Troubles and Causes OC194-40Vane motor OC194-41OC194-42 Internal surface view of the grill 12 4-WAY AIR Flow SystemOC194-43 Regular ceiling height OC194-44Relatively high ceiling High ceilingOC194-45 17-11/16 Examples of application PrecautionsOC194-46 Duct Pressure OC194-47Fresh-Air P-V curve Ambient air flow CFMOC194-48 Branch Duct installation at siteDirection discharge 11-13/16O4 directions Direction discharge 17-11/16O2 directionsPL30FK21/ 36FK31 PLH42FK21 OC194-49OC194-50 System ControlVariety of System Control Functions PAC-SA89TA-EALL OFF SW2 Group Control by a Single Remote ControllerOC194-51 Remote ON-OFF and Individual Remote Controls Control Using TWO Remote ControllersHow to set SW17-7 See Figure Remote controller LCD indicationBasic wiring Individual Control by Grouping the Remote ControllersSwitch function of remote ON-OFF switch OC194-53Timer Operation or the Operation by AN External Signal Multiple Remote Control DisplayOC194-54 Auto Restart FunctionOperating Procedure PHOTOS&ILLUSTRATIONS Disassembly ProcedureOC194-55 Indoor unit PL24FK21OC194-56 OC194-57 Parts ListPL12FK, PL18FK2, PL24FK2 Panel Parts PL12FK1, PL18FK21, PL24FK21PL12FK, PL18FK2, PL24FK2 Functional Parts OC194-58OC194-59 PL30FK21, PL36FK31, PL42FK21 OC194-60PL30FK2, PL36FK3, PL42FK2 Functional Parts OC194-61 PL30FK2, PL36FK3, PL42FK2 Panel Parts OC194-62T7W 413 R01 K21 691OC194-63 TimerOptional Parts OC194-64 PAC-SC32PTA Weekly Timer Setting DisplayNames and functions Current Time DisplayMultiple Remote Controller Adapter Timer AdapterOC194-65 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.