Hitachi Air 365 Series - User Manual

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INSTALLATION AND
MAINTENANCE
MANUAL
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INVERTER-DRIVEN
AIR CONDITIONERS
SET FREE SERIES
OUTDOOR UNITS
A16381E84N
MODELS
<BASE UNITS>
UNIVERSAL (HEAT PUMP AND HEAT RECOVARY)
(Standard Type)
RAS-080RNCCLW TO RAS-280RNCCLW
RAS-080RNCCRW TO RAS-280RNCCRW
(High Eiciency Type)
RAS-080RNCBLW TO RAS-200RNCBLW
EN INSTALLATION AND MAINTENANCE MANUAL
Original Instructions

Summary

INSTALLATION AND MAINTENANCE MANUAL

Models

Working Range

Safety Summary

General Precautions

Lists general safety guidelines to prevent injury, equipment damage, and hazards.

Installation Precautions

Refrigerant Precautions

Electrical Precautions

Before Installation

Combination of Indoor Unit and Outdoor Unit

Installation Work

Outdoor Unit Installation

Foundation

Refrigerant Piping Work

Refrigerant Precautions

Details critical safety measures and warnings related to handling and using refrigerants.

Piping Connection Work

Piping Connection Method

Piping Connection

Piping Work between Outdoor Units

Piping Size, Piping Connection and Multi-Kit Selection (Heat Pump)

Electrical Wiring

Electrical Wiring for Outdoor Unit

Electrical Wiring Connection

DIP Switch Setting for Outdoor Unit

External Input;Output & Function Setting

Air-Tight Test and Additional Refrigerant Charge

Air-Tight Test

Air-Tight Test Method

Vacuuming

Additional Refrigerant Charge Calculation

Charging Work

Test Run

Before Test Run

Before Test Run

Test Run

Safety and Control Device Setting

Hitachi Air 365 Series Specifications