Mitsubishi Electronics PCFY-P36NKMU-E, PCFY-P15NKMU-E, PCFY-P30NKMU-E How to read curves, Cmmcfm

Page 7

2-5. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS

PCFY-P15NKMU-E

pressure[Pa(in.W.G.×10ˉ²]

50(20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

-50(-20)

 

 

 

 

 

 

 

 

 

 

-100(-40)

 

 

 

 

 

 

 

 

 

 

-150(-60)

 

 

 

 

 

 

 

 

 

 

-200(-80)

 

 

 

 

 

 

 

 

 

Static

-250(-100)

 

 

 

 

 

 

 

 

 

-300(-120)

 

 

 

 

 

 

 

 

 

1

 

2

3

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

 

100

 

 

 

 

 

 

 

Airflow rate

 

 

 

PCFY-P24NKMU-E

pressure[Pa(in.W.G.×10ˉ²]

50(20)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

-50(-20)

 

 

 

 

 

 

 

 

 

 

-100(-40)

 

 

 

 

 

 

 

 

 

 

-150(-60)

 

 

 

 

 

 

 

 

 

 

-200(-80)

 

 

 

 

 

 

 

 

 

Static

-250(-100)

 

 

 

 

 

 

 

 

 

-300(-120)

 

 

 

 

 

 

 

 

 

1

 

2

3

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

 

100

 

 

 

 

 

 

 

Airflow rate

 

 

 

How to read curves

 

Curve in the

Duct characteristics

 

1

at site

 

 

graphs

QDesigned amount of fresh air intake

 

 

0

 

A C

 

 

<CMM(CFM)>

 

 

AStatic pressure

 

 

B

loss of fresh air

 

Q

intake duct system with airflow

 

 

 

 

 

amount Q

<Pa(in.W.G.x10-2)>

2

 

 

BForced static pressure at air con-

 

 

ditioner inlet with airflow amount Q

 

 

C A

 

 

 

<Pa(in.W.G.x10-2)>

 

 

 

 

4 [CMM]

 

E

CStatic pressure of booster fan with

 

 

airflow amount Q <Pa(in.W.G.x10-2)>

[CFM]

Q

 

 

 

 

DStatic pressure loss increase amount

3

 

 

of fresh air intake duct system for

 

D

airflow amount Q <Pa(in.W.G.x10-2)>

 

 

EStatic pressure of indoor unit with

 

 

 

 

 

A

airflow amount Q <Pa(in.W.G.x10-2)>

 

 

QaEstimated amount of fresh air

 

Q

 

 

 

intake without D

<CMM(CFM)>

 

Qa

 

 

 

 

 

4[CMM]

[CFM]

PCFY-P30, 36NKMU-E

Static pressure[Pa(in.W.G.×10ˉ²]

50(20)

0 -50(-20) -100(-40) -150(-60) -200(-80) -250(-100) -300(-120)

0

1

2

3

4 [CMM]

[CFM]

50100

Airflow rate

7

Image 7
Contents Parts Catalog OCB450 ContentsPart Names and Functions Wired remote controller Specifications SpecificationSound Level Electrical Parts SpecificationsPCFY-P15NKMU-E PCFY-P24NKMU-E NC CurvesCmmcfm How to read curvesFront View Pcfy Gas pipe side/flared connection PCFY-P15, 24, 30, 36NKMU-E Wiring DiagramØ12.7 1/2 Ø15.88 5/8 Refrigerant System DiagramUnit mm inch Service Ref PCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-EIndoor Unit Control 6-1. Cool Operation How to operateRoom temperature Desired temperature Microprocessor ControlFloat switch control Drain pump Same control as Cool operation Vane DRY OperationPressed one time. Dry 67 to 87F Control modes Control details Remarks Thermo regulatingFAN Operation Fan Control details Heat OperationPressed one time. Heating 63 to 83F Display in Heat operation DefrostFrom the preceding Control modes Control details Remarks Fan Thermo OFF modeAuto Operation Automatic COOL/HEAT Change Over Operation When Unit is StoppedDown TroubleshootingLinear expansion valve Valve Trouble shootingClosing a valve 1 → 2 → 3 → 4 → Become OFFSensor signal check Function of DIP Switch How to set branch number SW14 Series R2 only High ceiling On SWA settingHow to set address Switch Match the indoor unit’s refrigerant pipe with the BCPattern a Switch PoleOperation by switch Effective JumperPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Test Point DiagramSW1 PCFY-P30NKMU-E PCFY-P36NKMU-E Disassembly ProcedureOperating Procedure Photos & Illustrations PCFY-P15NKMU-E PCFY-P24NKUM-ERemoving the fan motor and right side fan Removing the room temperature thermistor TH21Side panel by sliding the panel to the front Removing the fan 3 connectionRemoving the side panel Remove the screw from the side panel, and removeRemoving the under panel Removing the vane motorRemoving the drain pan Removing the Auto vane Removing the pipe thermistors/Liquid TH22 and GasTH23 Removing the guide vaneRemove 2 screws from the heat exchanger Removing the heat exchanger and LEVRemove the heat exchanger with LEV Page New publication, effective Feb

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

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