Mitsubishi Electronics MUZ-GB50VA service manual Actuator Control, Performance Data Heat operation

Page 14

PERFORMANCE DATA HEAT operation

MSZ-GB50VA : MUZ-GB50VA

 

Rated frequency 75Hz

 

 

 

 

 

 

 

 

CAPACITY:5.8(kW)

INPUT:1700(W)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR

WB(:)

 

 

 

 

 

 

 

 

 

INDOOR

 

-10

 

 

-5

 

 

0

 

5

 

10

 

15

 

20

DB(:)

Q

 

INPUT

Q

 

INPUT

 

Q

 

INPUT

Q

 

INPUT

Q

 

INPUT

Q

 

INPUT

Q

 

INPUT

15

3.65

 

1105

 

4.41

 

1326

 

5.16

 

1496

5.92

 

1615

6.67

 

1717

7.37

 

1768

8.12

 

1802

21

3.48

 

1190

 

4.18

 

1411

 

4.93

 

1564

5.63

 

1683

6.38

 

1768

7.08

 

1819

7.80

 

1887

26

3.13

 

1275

 

3.89

 

1496

 

4.58

 

1649

5.34

 

1768

6.09

 

1853

6.79

 

1904

7.54

 

1955

NOTE Q : Total capacity (kW) INPUT : Total power input (W) DB : Dry-bulb temperature WB : Wet-bulb temperature

9

ACTUATOR CONTROL

MUZ-GB50VA

9-1. Outdoor fan motor control

The fan motor turns ON/OFF, interlocking with the compressor.

[ON] The fan motor turns ON 5 seconds before the compressor starts up.

[OFF] The fan motor turns OFF 15 seconds after the compressor has stopped running.

5 seconds

15 seconds

ON

Compressor

OFF

ON

Outdoor fan motor

OFF

9-2. R.V. coil control

Heating . . . . . . . . . . . . . . . . ON

Cooling. . . . . . . . . . . . . . . . . OFF

Dry . . . . . . . . . . . . . . . . . . . . OFF

NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor.

<COOL>

<HEAT>

5 seconds

5 seconds

ON

Compressor OFF

R.V.coil

ON

OFF

ON or OFF

ON or OFF

Outdoor fan ON

motor OFF

14

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Contents R410A Refrigerant OBR01 Contents Revised EDITION-ASNB130FLDH Technical ChangesMUZ-GA50VA E1 SNB130FLDH1Part Names and Functions SpecificationAccessories MUZ-GB50VASpecifications and rating conditions of main electric parts Noise Criteria Curves Band OctaveOutlines and Dimensions MUZ-GB50VA Outdoor UnitWiring Diagram Outdoor Unit MUZ-GB50VARefrigerant System Diagram UnitmmCapacity and input curves Performance CurvesIndoor Unit Outdoor Unit Test RUN Operation How to operate fixed-frequency operation MUZ-GB50VA Cool operation Outdoor MSZ-GB50VA MUZ-GB50VAPerformance Data Cool operation Rated frequency 79Hz SHC SHF InputOutdoor DB Outdoor fan motor control Actuator ControlPerformance Data Heat operation R.V. coil controlTroubleshooting Relation between main sensor and actuator MUZ-GB50Failure mode recall function OFFOperational procedure Outdoor unit failure mode table Time flash Communication error Lighting Operation Instruction of troubleshootingIndicator EmergencyTroubleshooting check table MUZ-GB50VA Operate Lightning Twice Outdoor power systemOnce Lighting WHT RED Trouble criterion of main parts MUZ-GB50VARED BLK BLK WHT RED ORNHow to check inverter/ compressor Troubleshooting flowCheck of outdoor thermistors When heating operation does not work Check of R.V. coilCheck of power supply Check of outdoor fan motorCheck of current-limiting resistor Check of LEVParts side Electromagnetic noise enters into TV sets or radios Discharge temperature thermistor RT62 Noise filter P.C. board CN3 Outdoor power boardCN2 CN5Removing the cabinet Photo Disassembly InstructionsMUZ-GB50VA Outdoor Unit Operating Procedure Photos Operating Procedure Photos Removing R.V. coilTure thermistor and ambient temperature thermistor Removing outdoor fan motor PhotoRemoving the compressor and 4-way valve Photo Removing the reactorRoHS Parts List RoHS compliant MUZ-GB MUZ-GB50VA Accessory MUZ-GB50