EasyManua.ls Logo

Hitachi RAS-4HVRNM2 User Manual

Hitachi RAS-4HVRNM2
58 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
TC-12001
2-73
OUTDOOR UNIT
Installation
&
Maintenance
Manual
INVERTER-DRIVEN
SPLIT SYSTEM
HEAT PUMP
AIR CONDITIONERS
- DC INVERTER UTOPIA -
Models:
Outdoor Units;
RAS-3HVRNM2
RAS-4HVRNM2
RAS-5HVRNM2
RAS-6HVRNM2
RAS-7HVRNM2
P5414950
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL BEFORE
USING THIS HEAT-PUMP
AIR CONDITIONERS.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
Question and Answer IconNeed help?

Do you have a question about the Hitachi RAS-4HVRNM2 and is the answer not in the manual?

Hitachi RAS-4HVRNM2 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
TypeSplit System
Outdoor Unit Dimensions (WxHxD)780 x 540 x 269 mm

Summary

Safety Summary

Structure

Name of Parts

Lists and illustrates the components of the 3HP outdoor unit.

Necessary Tools and Instrument List for Installation

Lists tools and instruments required for installation.

Before Installation

Selection of Unit Model

Guides the selection of appropriate unit models based on heating load.

Indoor Unit Selection for Multiple Connected Installation

Details calculating indoor unit capacity for multi-unit systems.

Standard Combination of Outdoor Unit and Indoor Unit

Provides standard combinations of outdoor and indoor units.

Enhanced Combination of Outdoor Unit and Indoor Unit

Outlines enhanced combination options and conditions for units.

Transportation and Handling

Outdoor Unit Installation

Factory-Supplied Accessories

Lists accessories provided with the outdoor unit.

Initial Check

Outlines preliminary checks before installing the outdoor unit.

Service Space

Specifies required clearance around the outdoor unit for maintenance.

Installation Work

Details the process of securing the outdoor unit with anchor bolts.

Refrigerant Piping Work

Piping Materials

Specifies materials and preparation for refrigerant piping.

Flaring and Joint

Explains the process and dimensions for flaring pipe ends.

Pipe Selection

Guides the selection of pipe sizes for various unit combinations.

Piping Connection

Explains stop valve positions and piping connection methods.

Connecting Refrigerant Pipings

Details how to connect refrigerant piping and tighten flare nuts.

Electrical Wiring

General Check

Covers preliminary checks for electrical components and power supply.

Wiring Connection

Explains wiring connections for the outdoor unit and internal wiring methods.

Setting of Dip Switch

Setting for Transmitting

Configures outdoor unit number, refrigerant cycle, and terminal resistance.

Setting of Refrigerant Cycle No.

Sets the refrigerant cycle number for outdoor and indoor units.

Setting of End Terminal Resistance

Configures end terminal resistance for H-LINK/H-LINK II systems.

Setting of Multiple Indoor Units Simultaneous Operation

Adjusts DSW6 for individual or simultaneous indoor unit operation.

Additional Refrigerant Charge

Air-Tight Test

Details the procedure for performing an air-tight test on the refrigerant circuit.

Vacuum Pump and Refrigerant Charge

Explains vacuum pumping and the process of charging additional refrigerant.

Refrigerant Charging Quantity

Provides methods to calculate and record additional refrigerant charge quantity.

Test Run

Before Test Run

Lists checks and conditions required before performing a test run.

Test Run

Details the procedure for conducting a test run using the wired remote control.

Optional Function Setting

Explains how to configure optional functions via dip switches and system settings.

External Input / Output Setting Method

Describes how to set external input/output functions via PCB switches.

Safety and Control Device Setting

Related product manuals