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Toshiba RBM-Y1801F4PE User Manual

Toshiba RBM-Y1801F4PE
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INSTALLATION MANUAL 1
English
RBM-Y1801F4PE
RBM-Y1801F6PE
Installation Manual
Multi Port Flow Selector Unit
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Toshiba RBM-Y1801F4PE Specifications

General IconGeneral
BrandToshiba
ModelRBM-Y1801F4PE
CategoryAir Conditioner
LanguageEnglish

Summary

PRECAUTIONS FOR SAFETY

WARNING

General safety warnings requiring immediate attention for installation and operation.

CAUTION

Important safety notes for preventing hazards related to new refrigerants and installation.

INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER

Required tools and cautions on handling

Lists necessary tools and handling precautions for new refrigerants.

Refrigerant piping

Guidelines for refrigerant pipe material and installation specific to new refrigerants.

SELECTION OF INSTALLATION PLACE

CAUTION

Warnings regarding installation locations and potential hazards like combustible gas.

Cautions for Installation at a Place with the Quiet Background Sound

Advice on avoiding noise issues from the unit's operation.

INSTALLATION OF FLOW SELECTOR UNIT

WARNING

Critical safety instructions for unit installation to prevent falling.

REQUIREMENT

Essential conditions and procedures for safe installation and handling.

Installation of hanging bolt

Steps for securely installing hanging bolts for the unit.

Installation of Flow Selector unit

Procedures for mounting the unit, including ceiling treatment.

DRAIN PIPING

CAUTION

Warnings about proper drain piping to prevent leaks and condensation.

Connection of drain hose

Instructions for securely connecting the drain hose to the unit.

Connecting drain pipe

Guidance on connecting the main drain pipe to the unit's hose.

Pipe material, size and insulator

Specifications for drain piping materials and insulation.

Heat insulating process

Method for insulating drain pipes to prevent condensation.

Check the draining

Verification of proper drainage and leak prevention after installation.

REFRIGERANT PIPING

WARNING

Safety alert regarding refrigerant gas leaks and potential hazards.

REQUIREMENT

Guidelines for proper refrigerant pipe installation and support.

Connection pipe size of Flow Selector unit (default)

Table of default pipe sizes for refrigerant connections.

Piping dimensions

Specifications for pipe sizes and lengths for various connections.

Pipe connecting process

Steps for connecting refrigerant pipes using accessories.

Airtight test/Air purge, etc.

Procedures for testing airtightness and purging refrigerant lines.

Gas leak check

Methods to detect refrigerant leaks using specific tools.

ELECTRICAL CONNECTION

CAUTION

Safety warnings for electrical wiring to prevent fire or damage.

REQUIREMENT

Mandatory electrical installation guidelines and compliance.

Power supply wire and communication wires specifications

Details on power supply and communication wiring requirements.

Wire connection

General guidelines for connecting wires to terminal blocks.

Connecting power supply wire and communication wires

Specific steps for wiring power supply and communication cables.

Communication wiring

Procedures for communication line connections and filtering.

Setting when connecting indoor units to FS (Flow Selector) unit

How to set up CODE No. [OE]

Procedure for setting group control code for indoor units.

Cautions to connection of indoor unit

Important notes for connecting indoor units to the FS unit.

How to set up CODE No. [FE]

Procedure for setting the branching system address.

How to set up CODE No. [FD]

Procedure for setting the priority operation mode.

Case that FE/FD setting is not necessary

Scenarios where FE/FD settings are not required.

Case that FE/FD setting is necessary

Scenarios where FE/FD settings are required.

Set up example

Illustrative examples of setting configurations for indoor units.

In case of connecting two group operations of indoor units

Wiring example for connecting two groups of indoor units.

In case of connecting four indoor units

Wiring example for connecting four indoor units.

In case of connecting Drain pump (locally procured)

Procedures for connecting the drain pump float switch cable.

Steps for connecting the drain pump float switch cable to the unit's PC board.

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