What causes abnormal decrease of discharge gas superheat degree in my Hitachi YUTAKI S80?
Abnormal decrease of discharge gas superheat degree in your Hitachi Air Conditioner can be caused by excessive refrigerant, expansion valve open-locked, or fan motor locked.
What causes failure of ambient temperature thermistor in my Hitachi YUTAKI S80?
Failure of the ambient temperature thermistor in your Hitachi Air Conditioner is caused if the ambient temperature thermistor is short-circuited or cut.
What causes LCD H-link transmission error in my Hitachi YUTAKI S80 Air Conditioner?
LCD H-link transmission error in your Hitachi Air Conditioner can be caused by no H-LINK communication for a continuous period of 1 minute between Indoor and LCD User control by connection wiring (breaking, wiring error, etc.).
What does Decrease in discharge gas superheat mean for Hitachi YUTAKI S80?
If your Hitachi Air Conditioner displays 'Decrease in discharge gas superheat', check refrigerant charge and inspect related components. Possible causes are excessive refrigerant charge, failure of thermistor, incorrect wiring, incorrect piping connection, or expansion valve locking at opened position (disconnected connector).
How to solve RF Communication failure on Hitachi YUTAKI S80 Air Conditioner?
If your Hitachi Air Conditioner shows 'RF Communication failure', check the RF communication setup. This issue occurs when there is no communication for 1 hour with one or two RF receivers which are bound to the RF-Bridge.
How to solve Incorrect capacity setting or combined capacity between outdoor and indoor units on Hitachi YUTAKI S80 Air Conditioner?
If your Hitachi Air Conditioner displays 'Incorrect capacity setting or combined capacity between outdoor and indoor units', ensure proper capacity settings for both units. This is caused by an incorrect Capacity Code Setting, or Excessive or Insufficient Indoor Unit Total Capacity Code.
What causes Activation of protection device (high pressure cut) on Hitachi YUTAKI S80?
If your Hitachi Air Conditioner displays 'Activation of protection device (high pressure cut)', inspect the entire system for the mentioned failures. This can be caused by activation of PSH, locked motor, abnormal operation in the power supply phase, failure of fan motor, drain discharge, PCB, relay, float switch activated, pipe clogging, excessive refrigerant, or inner gas mixing, or fan motor locking at cooling operation.
What causes compressor-top temperature thermistor abnormality in my Hitachi YUTAKI S80?
A compressor-top temperature thermistor abnormality in your Hitachi Air Conditioner can be caused by a loose, disconnected, broken or short-circuited connector.
What causes excessively low or high voltage for the inverter in my Hitachi YUTAKI S80?
Excessively low voltage or excessively high voltage for the inverter in your Hitachi Air Conditioner is caused if the voltage between terminal “P” and “N” of ISPM is insufficient.
What causes failure of refrigerant evaporation temperature thermistor in my Hitachi YUTAKI S80 Air Conditioner?
Failure of the refrigerant evaporation temperature thermistor in your Hitachi Air Conditioner is caused if the refrigerant evaporation temperature thermistor is short-circuited or cut.
General| Refrigerant | R32 |
|---|---|
| Type | Air-to-Water Heat Pump |
| Operating Temperature Range (Heating) | -20°C to 35°C |
| Operating Temperature Range (Cooling) | 10°C to 46°C |
| Sound Power Level | Data varies significantly depending on the specific indoor and outdoor unit models. Please refer to the specific model's datasheet. |
| Noise Level (Indoor Unit) | Data varies significantly depending on the specific indoor unit model. Please refer to the specific model's datasheet. |
| Noise Level (Outdoor Unit) | Data varies significantly depending on the specific outdoor unit model. Please refer to the specific model's datasheet. |
| Power Supply | 50Hz |
| Dimensions (Indoor Unit) | Data varies significantly depending on the specific indoor unit model. Please refer to the specific model's datasheet. |
| Dimensions (Outdoor Unit) | Data varies significantly depending on the specific outdoor unit model. Please refer to the specific model's datasheet. |
| Weight (Indoor Unit) | Data varies significantly depending on the specific indoor unit model. Please refer to the specific model's datasheet. |
| Weight (Outdoor Unit) | Data varies significantly depending on the specific outdoor unit model. Please refer to the specific model's datasheet. |
Crucial safety warnings and instructions for correct installation and operation.
Highlights critical instructions for manual adherence, specifications, and system integrity.
Details Energy-related Product (ERP) performance data for space heaters, efficiency, and energy classes.
Illustrates refrigerant and hydraulic circuits for YUTAKI S and S COMBI split systems.
Outlines safety measures and concentration limits for refrigerant leaks.
Lists indoor unit alarm codes, their origin, details of abnormality, and main troubleshooting factors.
Details outdoor unit alarm codes, categories, types of abnormality, and their main causes.
To Next Page
