What does compressor factor alarm mean in Hitachi RAS-5HVRNME-AF?
A compressor factor alarm in your Hitachi Air Conditioner indicates that damage to the compressor has occurred 3 times within 6 hours.
What does hydraulic alarm mean for Hitachi Air Conditioner?
A hydraulic alarm in your Hitachi Air Conditioner indicates that water pressure or water flow is not detected in the hydraulic cycle.
Why my Hitachi Air Conditioner shows undervoltage or overvoltage?
Undervoltage or overvoltage issues in your Hitachi Air Conditioner can stem from abnormalities in the outdoor PCB, inverter PCB, DM, or CB.
What causes unit over-temperature limit protection in my Hitachi RAS-5HVRNME-AF Air Conditioner?
Unit over-temperature limit protection in your Hitachi Air Conditioner is activated if the water supply temperature is 5ºC more than the maximum water circuit temperature for 20 seconds.
What causes freeze protection by cold water inlet temperature detection in my Hitachi RAS-5HVRNME-AF?
Freeze protection by cold water inlet temperature detection in your Hitachi Air Conditioner is activated if the inlet water temperature is lower than 2 ºC.
What causes Opentherm communication failure in my Hitachi Air Conditioner?
Opentherm communication failure in your Hitachi Air Conditioner is caused if there is no Opentherm communication for a continuous period of 1 minute.
What causes RF communication failure in my Hitachi Air Conditioner?
RF communication failure in your Hitachi Air Conditioner happens when there is no communication for 1 hour with one or two RF receivers which are bound to the RF-Bridge.
What causes unit capacity setting error in my Hitachi RAS-5HVRNME-AF?
Unit capacity setting error in your Hitachi Air Conditioner is caused if there is no concordance between indoor outdoor unit capacity.
What causes LCD H-link transmission error in my Hitachi 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 causes activation of high pressure switch in my Hitachi RAS-5HVRNME-AF?
Activation of the high pressure switch in your Hitachi Air Conditioner is caused when the high pressure (Pd) is higher than 3.0 MPa.
General| Brand | Hitachi |
|---|---|
| Model | RAS-5HVRNME-AF |
| Category | Air Conditioner |
| Language | English |
Overview of safety precautions and warnings for operating the unit.
Key information regarding product compatibility, specifications, and contact.
Details on how the YUTAKI S/S80 heat pumps work and their benefits.
Pre-operation checks and essential steps before starting the system.
Explanation of the system's built-in automatic control functions.
Common issues and initial steps for resolving them.
Identification of outdoor unit parts and diagram of the refrigerant cycle.
Procedures for installing outdoor units, including space and site preparation.
Details on piping, connections, brazing, charging, and vacuum procedures.
Procedures for drain piping, general electrical checks, and wiring connections.
Steps for performing test runs from both indoor and outdoor units.
Safety summaries, control device settings, and troubleshooting guide.
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