Mitsubishi Electronics PCFY-P24NKMU-E, PCFY-P15NKMU-E, PCFY-P30NKMU-E From the preceding

Page 18

From the preceding page

Control modes

 

Control details

Remarks

 

 

 

 

 

 

2. Fan

2-3. Thermo OFF mode

 

 

When the thermoregulating function changes to OFF, the indoor fan operates in

 

 

[Extra low].

 

 

 

 

 

 

 

 

2-4. Heat defrosting mode

 

 

The indoor fan stops.

 

 

 

 

 

 

 

3. Drain pump

3-1. Drain pump control

 

The drain pump turns ON for the specified amount of time when any of the following

 

 

 

 

conditions is met:

 

 

ON for 3 minutes after the operation mode is switched from COOL or DRY to

 

 

another operation mode (FAN).

 

 

ON for 6 minutes after the float switch is submerged in the water when the

 

 

float swich control judges the sensor is in the water.

 

 

 

 

 

 

 

 

3-2. Float switch control

· Same control as

 

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

COOL operation

 

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.

 

 

 

 

4. Vane control

(1) Initial setting: OFF → HEAT···[last setting]

 

(Up/down vane

When the last setting is [Swing] ··· [Downward D]

 

change)

When changing the mode from exception of HEAT to HEAT operation

 

 

···[Downward D]

 

 

(2) Vane position:

 

 

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

 

 

→

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) Restriction of vane position

 

 

The vane is horizontally fixed for the following modes.

 

 

(The control by the remote controller is temporally invalidated and control by

 

 

the unit.)

 

 

•Thermo OFF

 

 

•Hot adjust [Extra low] mode

 

 

•Heat defrost mode

 

 

 

 

 

 

 

18

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Image 18
Page 17 Page 19
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 vane motor Removing the under panelRemoving the drain pan Removing the guide vane Removing the pipe thermistors/Liquid TH22 and GasTH23 Removing the Auto vaneRemoving the heat exchanger and LEV Remove 2 screws from the heat exchangerRemove the heat exchanger with LEV 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.

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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.
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