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Mitsubishi Electric PVFY-P54NAMU-E1 User Manual

Mitsubishi Electric PVFY-P54NAMU-E1
46 pages
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
Model name
<Indoor unit>
Model name
<Indoor unit>
Series PVA
2015
PVA-A30AA4
PVA-A36AA4
PVA-A42AA4
INDOOR UNIT
Air-Conditioners
PVFY-P12, 18, 24, 30, 36, 48, 54NAMU-E1
Multi-Position Air Handler
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
Model name
<Indoor unit>
Model name
<Indoor unit>
Series PVA
2015
PVA-A30AA4
PVA-A36AA4
PVA-A42AA4
INDOOR UNIT
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Mitsubishi Electric PVFY-P54NAMU-E1 Specifications

General IconGeneral
ModelPVFY-P54NAMU-E1
SeriesP-Series
TypeAir Handler
RefrigerantR410A
Cooling Capacity (BTU/h)54000 BTU/h
Heating Capacity (BTU/h)60000 BTU/h
Cooling Capacity54000 BTU/h
Heating Capacity60000 BTU/h
Power Supply220-240 V
Sound Level (dB(A))40 dB(A)
Power Supply (V/Ph/Hz)208/230V, 1 Phase, 60 Hz

Summary

SAFETY PRECAUTION

General Safety Warnings

Covers crucial safety advice on installation, refrigerant, and electrical work.

Specific Safety Warnings

Details safety precautions for water, electrical parts, and unit installation.

R410A Refrigerant Handling

Provides essential precautions for handling R410A refrigerant and piping systems.

PART NAMES AND FUNCTIONS

SPECIFICATIONS

Model Specifications Table

Details technical specifications including power, capacity, dimensions, and fan performance.

Electrical Component Details

Lists electrical components like thermistors and motors with their specifications.

WIRING DIAGRAM

Control Box Wiring

Shows the internal wiring schematic of the control box and component connections.

REFRIGERANT SYSTEM DIAGRAM

MICROPROCESSOR CONTROL

HEATER CONTROL

OPTIONAL PARTS INSTALLATION

TROUBLESHOOTING

Component Check Methods

Guides on checking thermistors, fan motors, and other key components.

Linear Expansion Valve (LEV) Troubleshooting

Details troubleshooting steps for the Linear Expansion Valve (LEV).

LEV Circuit and Coil Troubleshooting

Covers troubleshooting for LEV driving circuit failures and motor coil issues.

LEV Valve Closure Failure

Addresses issues related to the LEV valve's ability to close properly.

DC Fan Motor Troubleshooting

Provides a detailed troubleshooting flowchart for the DC fan motor.

ADDRESS SWITCH SETTING

CONTROL BOARD VOLTAGE TESTS

Test Points and Voltage Specifications

Lists key test points and expected voltage readings on the control board.

DIPSWITCH SETTINGS

DISASSEMBLY PROCEDURE

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