Hitachi RAS-120HNBRMQ2 User Manual

P02005Q
Original
Instruction
&
Maintenance
Manual
HITACHI AIR
CONDITIONER
OUTDOOR UNIT
Models:
Outdoor Units：
RAS-070HNBRMQ2
RAS-080HNBRMQ2
RAS-090HNBRMQ2
RAS-100HNBRMQ2
RAS-110HNBRMQ2
RAS-120HNBRMQ2
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE
USING THIS HEAT-PUMP
AIR CONDITIONER.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
Original Instructions

Hitachi RAS-120HNBRMQ2 Specifications

General

Brand	Hitachi
Model	RAS-120HNBRMQ2
Category	Air Conditioner
Language	English

Summary

1. Safety Summary

Signal Word Definitions

Definitions for signal words (DANGER, WARNING, CAUTION, NOTICE, NOTE) used in the manual.

3. Outdoor Unit Installation

3.1 Installation Location and Precautions

Recommended and prohibited locations for outdoor unit installation.

3.2 Service Space

(1) Obstacles on the inlet side

3.3 Installation Work

Securing with Anchor Bolts

4. Refrigerant Piping Work

4.1 Precaution for Refrigerant Piping

Guidelines for handling and preparing copper pipes for refrigerant connections.

4.5 Air-Tightness Test

Test Procedure

Step-by-step guide for conducting the air-tightness test.

4.6 Vacuuming

Vacuuming Procedure

Steps for performing the vacuuming process using a vacuum pump.

4.7 Additional Refrigerant Charge Calculation

Calculating Additional Refrigerant

4.8 Additional Refrigerant Charge Work

Refrigerant Charging Procedure

5. Electrical Wring

5.1 General Check

Preliminary checks for electrical components and power supply.

5.3 Electrical Wiring for Outdoor Unit

Wiring Connection Methods

7. Test Run

7.1 Before Test Run

8. Safety and Control Device Setting

Compressor Protection Devices