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Toshiba RAS-4M27U2AVG-E User Manual

Toshiba RAS-4M27U2AVG-E
18 pages
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AIR CONDITIONER (MULTI-SPLIT TYPE)
Installation Manual
Outdoor Unit
Model name:
RAS-3M26U2AVG-E
RAS-4M27U2AVG-E
RAS-5M34U2AVG-E
* NOTE:
Descriptions about operations for the E unit in this manual are
not applicable to RAS-4M27U2AVG-E.
Descriptions about operations for the D unit and the E unit in
this manual are not applicable to RAS-3M26U2AVG-E.
Installation Manual
Outdoor Unit
English
R32
01_IM_1116791098_EN.indd 101_IM_1116791098_EN.indd 1 6/13/2561 BE 4:18 PM6/13/2561 BE 4:18 PM
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Toshiba RAS-4M27U2AVG-E Specifications

General IconGeneral
RefrigerantR410A
Indoor Unit Dimensions (WxHxD)Varies by indoor unit model
Outdoor Unit Dimensions (WxHxD)37.2 x 33.1 x 16.1 inches
Weight (Indoor Unit)Varies by indoor unit model
Cooling Capacity (BTU)27000 BTU
Indoor Unit WeightVaries by indoor unit model

Summary

Precautions for Safety

Warning Indications on the Air Conditioner Unit

Details warnings and their meanings for safe operation.

Requirement of Report to the Local Power Supplier

Important Information Regarding the Refrigerant Used

Details about the R32 refrigerant, GWP, and handling.

Installation and Service Tools

Specifications

Optional Parts and Accessories

Installation of Outdoor Unit

Installation Location

Guidelines for selecting a suitable location for the outdoor unit.

Precautions for Installation

Important safety and structural considerations for mounting the unit.

Draining Off the Water from the Outdoor Unit

Instructions for proper drain setup and sealing.

Installation in Regions with Snowfall and Cold Temperatures

Specific advice for installing in snowy or cold climates.

Fixing the Outdoor Unit

Methods for securely attaching the outdoor unit to its foundation.

Refrigerant Piping

Detaching the Front Panel

Steps to remove the front panel for access to internal components.

Refrigerant Piping Connection

Overview of connecting refrigerant pipes, including flaring and torque.

Flaring

Detailed procedure for flaring pipe ends for refrigerant connections.

Pipe Connection

Steps for securely connecting refrigerant pipes using flare nuts and torque wrench.

Air Purge

Procedure for removing air from the refrigerant system using a vacuum pump.

Insulation of the Refrigerant Pipes

Guidance on insulating refrigerant pipes for optimal performance and safety.

Electrical Work

Wire Connection

Diagrams and instructions for connecting electrical wires between units.

Grounding

Test Run

Wiring/Piping Check

Procedure to verify electrical and refrigerant connections before operation.

Gas Leak Inspection

Methods to detect refrigerant leaks at connection points.

Test Run

Steps to perform operational checks in cooling and heating modes.

Instructions for the Customers

Guidance for explaining operation and maintenance to the end user.

Appendix

Work Instructions

General guidance for installation tasks.

Basic Conditions Needed to Reuse Existing Pipes

Criteria for determining if existing R22/R410A pipes can be used for R32.

Restrictions for Use of Existing Pipes

Cases where existing pipes must be cleaned or replaced.

Curing of Pipes

Methods to protect pipes from rust when exposed to air.

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