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General| Brand | Hitachi |
|---|---|
| Model | RUA-NP30ATS |
| Category | Air Conditioner |
| Language | English |
Warning against using non-specified refrigerants like hydrocarbons, emphasizing potential hazards.
Verifying installation location, space, foundation, and unit condition before proceeding.
Connecting the primary electrical power supply to the unit's service panel.
Connecting the room thermostat and other control signals to the unit.
A comprehensive checklist to verify the quality of the completed installation.
Procedures for conducting initial operational tests and verifying system function.
Step-by-step instructions for safely recharging the refrigerant into the system.
Diagnosing and resolving problems when the compressor fails to initiate operation.
Identifying and addressing factors that lead to reduced cooling performance.
Pinpointing the reasons for elevated discharge pressure within the system.
Pinpointing the reasons for reduced discharge pressure within the system.
Identifying and addressing factors that lead to high suction pressure.
Identifying and addressing factors that lead to low suction pressure.
Diagnosing and resolving the root causes of unusual operational noise.
