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General| Type | Air to Water Heat Pump |
|---|---|
| Model | PUHZ-SW160YKA-BS |
| Series | Ecodan |
| Heating Capacity (kW) | 16.0 |
| Refrigerant | R32 |
| Power Supply | 3 Phase, 400V |
| Operating Temperature Range (Heating) | -20°C to +35°C |
Lists service manuals for indoor units.
General safety rule before accessing terminals.
Safety precautions for R410A refrigerant.
Specific service cautions for refrigerant.
Procedure for additional refrigerant charging.
Cautions for refrigerant piping work.
Describes the chargeless system and pre-charged refrigerant.
Table for adjusting refrigerant amount based on pipe length.
Technical data for the compressor.
Graphs showing noise levels at different frequencies.
Reference data for the plate heat exchanger.
Power wiring specifications for field installation.
Specifications for indoor-outdoor connecting cables.
Diagram showing the refrigerant circuit.
Procedure for refrigerant collection (pump down).
Summary of troubleshooting based on check codes.
Table of self-diagnosis codes and actions.
Troubleshooting common problems and their causes/solutions.
Method for checking the DC fan motor.
Operation summary and connection of the linear expansion valve.
Graph showing linear expansion valve operation.
Procedure for attaching/detaching the LEV coil.
Details on DIP and Push switches.
How to activate low-level sound mode.
Normal operating status indicators (LEDs, check codes).
Abnormal status indicators and troubleshooting references.
Explanation of SW2 settings and LED1 display.
Detailed breakdown of request codes for various states.
Steps to remove service panel, top panel, and electrical parts box.
Procedures for removing various thermistors and sensors.
Steps to remove 4-way valve, LEV, and related components.
Procedures for removing compressor and power receiver.
