Mitsubishi Electronics service manual Noise Criteria Curves, MSZ-FA25VA E1, MSZ-FA35VA E1

Page 6

4

NOISE CRITERIA CURVES

MSZ-FA25VA - E1

FAN SPEED FUNCTION

SPL(dB(A))

LINE

COOLING

42

 

Super High

 

 

HEATING

42

 

Test conditions,

 

Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:

 

Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:

BAR

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MICRO

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.0002

70

 

 

 

 

 

 

 

NC-70

 

 

 

 

 

 

 

 

dB re

60

 

 

 

 

 

 

 

 

LEVEL,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-60

50

 

 

 

 

 

 

 

 

PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-50

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-40

SOUND

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

BAND

 

 

 

 

 

 

 

 

NC-30

20

APPROXIMATE

 

 

 

 

 

 

OCTAVE

 

 

 

 

 

 

THRESHOLD OF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEARING FOR

 

 

 

 

 

NC-20

 

CONTINUOUS

 

 

 

 

 

 

10

NOISE

 

 

 

 

 

 

 

 

63

125

250

500

1000

2000

4000

8000

 

 

BAND CENTER FREQUENCIES, Hz

MSZ-FA35VA - E1

FAN SPEED FUNCTION

SPL(dB(A))

LINE

COOLING

42

 

Super High

42

 

HEATING

 

Test conditions,

Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:

Heating : Dry-bulb temperature 20: Wet-bulb temperature 15:

BAR

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MICRO

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.0002

70

 

 

 

 

 

 

 

NC-70

 

 

 

 

 

 

 

 

dB re

60

 

 

 

 

 

 

 

 

LEVEL,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-60

50

 

 

 

 

 

 

 

 

PRESSURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-50

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-40

SOUND

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

BAND

 

 

 

 

 

 

 

 

NC-30

20

APPROXIMATE

 

 

 

 

 

 

OCTAVE

 

 

 

 

 

 

THRESHOLD OF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEARING FOR

 

 

 

 

 

NC-20

 

CONTINUOUS

 

 

 

 

 

 

10

NOISE

 

 

 

 

 

 

 

 

63

125

250

500

1000

2000

4000

8000

 

 

BAND CENTER FREQUENCIES, Hz

INDOORUNIT

1m

0.8m

MICROPHONE

WALL

6

Image 6
Contents Contents MSZ-FA25VA E1 MSZ-FA35VA E1Technical Changes Generalized stepping motorFront panel opening/closing output gear Indoor Unit MSZ-FA25VA MSZ-FA35VA Wash reset switch Open Closed Receiving sectionPart Names and Functions See control operationMSZ-FA25VA E1 MSZ-FA35VA E1 Accessories Remote ControllerSpecification Specifications and rating conditions of main electric partsWhen outdoor unit is MXZ type Noise Criteria Curves MSZ-FA25VA E1MSZ-FA35VA E1 Indoor Unit Outlines and DimensionsMSZ-FA25VA E1 MSZ-FA35VA E1 Unit mmMSZ-FA25VA E1 Indoor Unit Wiring DiagramRefrigerant System Diagram MSZ-FA35VA E1 Indoor UnitRemote controller model KM05A Service FunctionsHow to modify the remote controller P.C. board OperationRemote controller Troubleshooting Install RemoveInformation for Multi System AIR Conditioner Outdoor Unit MXZ seriesFailure mode recall function OFFTo identify the error.Refer to 9-6.For G Plasma AIR Purifying Indoor unit failure mode tablePlasma Deodorizing OFFInstruction of troubleshooting StartTroubleshooting check table · Flashing of Power lamp indicates abnormalitiesPlasma AIRPurifying Trouble criterion of main parts Troubleshooting flow When Power lamp flashes 3-time Indoor fan does not operateCheck of indoor fan motor Check of remote controller and receiver P.C. board Indoor electronic control P.C.Board How to check mis-wiring and serial signal error LEDCheck of installation of the horizontal vane Safety Deviceplasma Unit Plasma Deodorizing 0V?Continuously flash? AIR Purifying 0V?Check of auto front panel Indoor unit and outdoor unit do not operateElectromagnetic noise enters into TV sets or radios YesPlasma power P.C. board Test point diagram and voltagePower monitor receiver P.C. board Indoor electronic control P.C. boardDisassembly Instructions Removing the panel PhotoOperating Procedure Photos Removing the electrical boxRemoving the indoor fan motor and the line flow Photo Removing the horizontal vane motor unit PhotoRemoving the vertical vane motor unit Photo FanRemoving the plasma power P.C. board Photo Parts List Accessory and Remote ControllerIndoor Unit Heat Exchanger Safety PlasmaIndoor Unit Electrical Parts and Functional Parts Motor Receiver P.C Board Holder509 Symbol Qty/unit Part name WiringDiagram E02 504Optional Parts Deodorizing Ceramic FilterPage Specifications subject to change without notice