Mitsubishi Electronics PCFY-P24NKMU-E, PCFY-P15NKMU-E, PCFY-P30NKMU-E Float switch control

Page 14

Control modes

 

 

 

Control details

3. Drain pump

3-1. Drain pump control

 

•Drain pump is always ON during the COOL and DRY mode operation.

 

(Regardless of the thermo ON/OFF)

 

•When the operation mode has changed from the COOL or DRY to the others

 

(including Stop), the drain pump will be kept on for 3 minutes, then turns OFF.

 

Float switch control

 

• Float switch control judges whether the sensor is in the air or in the water by

 

turning the float switch ON/OFF.

 

In the water: Detected that the float switch is ON for 15 seconds.

 

In the air : Detected that the float switch is OFF for 15 seconds.

 

Float SW

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

OFF

15sec.

15sec.

15sec. 1min.30sec.

1min.30sec.

In the water

In the air

In the water

Error

Drain pump

 

 

 

postponement

abnormal

4. Vane

(1) Initial setting: Start at COOL mode and horizontal vane.

(up/down vane change)

(2) Vane position:

 

Horizontal →Downward A →Downward B →Downward C→Downward D→Swing→Auto

 

→

 

 

 

 

(3)Restriction of the downward vane setting

When setting the downward vane A, B, C or D in [Med1], [Med2], [Low] or [Auto] of the fan speed notch, the vane changes to horizontal position after 1 hour have

passed.

Remarks

·"ONLY 1 Hr" appears on the wired remote controller.

14

Page 13 Page 15
Image 14
Page 13 Page 15
Contents Contents Parts Catalog OCB450Part Names and Functions Wired remote controller Specification SpecificationsElectrical Parts Specifications Sound LevelNC Curves PCFY-P15NKMU-E PCFY-P24NKMU-EHow to read curves CmmcfmFront View Pcfy Gas pipe side/flared connection Wiring Diagram PCFY-P15, 24, 30, 36NKMU-EPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Refrigerant System DiagramUnit mm inch Service Ref Ø12.7 1/2 Ø15.88 5/8Microprocessor Control How to operateRoom temperature Desired temperature Indoor Unit Control 6-1. Cool OperationFloat switch control Control modes Control details Remarks Thermo regulating DRY OperationPressed one time. Dry 67 to 87F Drain pump Same control as Cool operation VaneFAN Operation Display in Heat operation Defrost Heat OperationPressed one time. Heating 63 to 83F Fan Control detailsControl modes Control details Remarks Fan Thermo OFF mode From the precedingWhen Unit is Stopped Auto Operation Automatic COOL/HEAT Change Over OperationTroubleshooting DownLinear expansion valve Become OFF Trouble shootingClosing a valve 1 → 2 → 3 → 4 → ValveSensor signal check Function of DIP Switch Switch Match the indoor unit’s refrigerant pipe with the BC High ceiling On SWA settingHow to set address How to set branch number SW14 Series R2 onlyJumper Switch PoleOperation by switch Effective Pattern aTest Point Diagram PCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-ESW1 PCFY-P15NKMU-E PCFY-P24NKUM-E Disassembly ProcedureOperating Procedure Photos & Illustrations PCFY-P30NKMU-E PCFY-P36NKMU-ERemoving the room temperature thermistor TH21 Removing the fan motor and right side fanRemove the screw from the side panel, and remove Removing the fan 3 connectionRemoving the side panel Side panel by sliding the panel to the frontRemoving the drain pan Removing the vane motorRemoving the under panel Removing the guide vane Removing the pipe thermistors/Liquid TH22 and GasTH23 Removing the Auto vaneRemove the heat exchanger with LEV Removing the heat exchanger and LEVRemove 2 screws from the heat exchanger Page New publication, effective Feb

PCFY-P30NKMU-E, PCFY-P36NKMU-E, PCFY-P24NKMU-E, PCFY-P15NKMU-E specifications

Mitsubishi Electronics is renowned for its innovative solutions in the field of heating, ventilation, and air conditioning (HVAC) systems. Among its impressive lineup, the PCFY-P series of ceiling-mounted air conditioning units stands out for its advanced features, technologies, and efficient performance. The models PCFY-P15NKMU-E, PCFY-P24NKMU-E, PCFY-P36NKMU-E, and PCFY-P30NKMU-E cater to various cooling and heating needs, making them suitable for both residential and commercial applications.

One of the main features of the PCFY-P series is its superior efficiency rating. With advanced inverter technology, these units provide precise temperature control by adjusting the compressor speed to match the cooling or heating demand. This not only leads to significant energy savings but also ensures a comfortable environment at all times.

Another notable characteristic of the PCFY-P series is its whisper-quiet operation. Designed with noise-reduction technologies, these models operate at sound levels as low as 19 dB, making them ideal for environments requiring minimal disturbance, such as offices, libraries, or bedrooms.

The multi-zone capability of the PCFY-P series enhances its versatility. Each model can connect to multiple indoor units, allowing users to customize their climate control across different zones in a building. This adaptability facilitates tailored cooling or heating solutions, optimizing comfort and energy use.

Mitsubishi's advanced filtration systems improve indoor air quality by removing dust, allergens, and microorganisms. The PCFY-P series is equipped with highly efficient filters, ensuring that the air circulated is clean and healthy.

Smart technology integration is another hallmark of these models. With built-in Wi-Fi capability, they can be remotely controlled through a smartphone app or accessed via various smart home systems. This feature allows users to adjust settings, monitor energy consumption, and schedule operation times conveniently.

Sustainability is a key focus in Mitsubishi's design philosophy. The PCFY-P series utilizes environmentally friendly refrigerants that have a low global warming potential, aligning with modern environmental regulations and initiatives.

In summary, the Mitsubishi Electronics PCFY-P15NKMU-E, PCFY-P24NKMU-E, PCFY-P36NKMU-E, and PCFY-P30NKMU-E offer exceptional efficiency, quiet operation, air quality improvement, smart technology integration, and sustainable design. These characteristics position the PCFY-P series as a leading choice in the HVAC market, providing reliable comfort solutions for a variety of settings. Each model exemplifies Mitsubishi's commitment to innovation and performance, making them a valuable asset for climate control needs.
Top Page Image Contents