Daikin Super Multi NX 4MXS80E2V3B User Manual

Service
Manual
SiBE121021_C
E-Series / F-Series / G-Series
[Applied Models]
● Inverter Multi : Cooling Only
● Inverter Multi : Heat Pump

Daikin Super Multi NX 4MXS80E2V3B Specifications

General

Brand	Daikin
Model	Super Multi NX 4MXS80E2V3B
Category	Air Conditioner
Language	English

Summary

Service Manual

Part 2 Specifications

1.1 Cooling Only - Indoor Unit

Lists specifications for indoor units in cooling-only mode.

1.2 Cooling Only - Outdoor Unit

Lists specifications for outdoor units in cooling-only mode.

1.3 Heat Pump - Indoor Unit

Lists specifications for indoor units in heat pump mode.

1.4 Heat Pump - Outdoor Unit

Lists specifications for outdoor units in heat pump mode.

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Function and Control

1.1 Temperature Control

Details how temperature is controlled in the system.

1.2 Frequency Principle

Explains the principle of frequency control for operation.

1.3 Operation Starting Control

Describes the control process when starting operations.

1.12 2-Area INTELLIGENT EYE Operation

Details the 2-Area INTELLIGENT EYE operation.

1.13 INTELLIGENT EYE Operation

Explains the INTELLIGENT EYE operation feature.

1.14 Inverter POWERFUL Operation

Details the inverter POWERFUL operation.

2.1 Drain Pump Control

Details the drain pump control mechanism.

2.2 Thermostat Sensor in Remote Controller

Explains the use of the thermostat sensor in the remote controller.

2.3 Freeze Prevention Control

Details the freeze prevention control function.

2.4 Hot Start Control (In Heating Operation Only)

Explains hot start control in heating mode.

4.1 Mode Hierarchy

Explains the hierarchy of operation modes.

4.2 Frequency Control

Details the frequency control mechanisms.

4.3 Controls at Mode Changing / Start-up

Explains controls during mode changes and start-up.

4.4 Discharge Pipe Temperature Control

Details discharge pipe temperature control.

4.5 Input Current Control

Explains input current control.

4.6 Freeze-up Protection Control

4.7 Heating Peak-cut Control

4.9 Liquid Compression Protection Function

4.10 Defrost Control

4.11 Low Hz High Pressure Limit

4.12 Electronic Expansion Valve Control

Details electronic expansion valve control.

4.13 Malfunctions

Covers common malfunctions and their detection.

Part 7 Removal Procedure

1. Outdoor Unit - 50~75 Class

1.2 Removal of Electrical Box

1.3 Removal of PCBs

1.4 Removal of Outdoor Fan / Fan Motor

1.6 Removal of Coils / Thermistors

1.8 Removal of Four Way Valve

1.9 Removal of Compressor

Details the removal of the compressor.

2. Outdoor Unit - 80/90 Class

2.2 Removal of Electrical Box

2.3 Removal of PCBs

2.4 Removal of Fan Motor

2.5 Removal of Coils / Thermistors

2.7 Removal of Compressor

Details the removal of the compressor.

Part 8 Trial Operation and Field Settings

1. Pump Down Operation

2. Forced Operation

3. Wiring Error Check Function

Details the wiring error check function.

4. Trial Operation

Explains the procedure for trial operation.

4.1 RA Indoor Unit - F(C)TXG, FTXS, ATXS, FVXS, FLK(X)S, FDK(X)S Series

4.2 SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series

5. Field Settings

Details how to perform field settings.

5.1 RA Indoor Unit - F(C)TXG, FTXS, ATXS, FVXS, FLK(X)S, FDK(X)S Series

5.2 SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series