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Toshiba RAV-SM2804AT8-A User Manual

Toshiba RAV-SM2804AT8-A
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R410A
FILE NO. A10-028
SERVICE MANUAL
SPLIT TYPE
OUTDOOR UNIT
<DIGITAL INVERTER>
RAV-SM2244AT8-A
RAV-SM2804AT8-A
PRINTED IN JAPAN, Feb., 2011 ToMo

Table of Contents

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Toshiba RAV-SM2804AT8-A Specifications

General IconGeneral
TypeSplit System
RefrigerantR410A
Indoor Unit Dimensions (W x H x D)1, 940 x 690 x 700 mm
Outdoor Unit Dimensions (W x H x D)1, 190 x 1, 600 x 380 mm
Power Supply3 Phase, 380-415V, 50Hz
Power Source3 Phase, 380-415V, 50Hz

Summary

SERVICE MANUAL

AIR-CONDITIONER SPLIT TYPE OUTDOOR UNIT

Manual for the outdoor unit of the split type air conditioner.

SAFETY CAUTION

1. SPECIFICATIONS

1-1. Indoor Unit

Details on cooling/heating capacity, electrical characteristics, appearance, and fan for indoor units.

1-2. Outdoor Unit

Details on power supply, compressor, refrigerant, dimensions, and fan for outdoor units.

1-3. Operation Characteristic Curve

Curves showing current vs. compressor speed and capacity ratio vs. temperature.

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

2-1. Outdoor Unit

Diagrams illustrating external dimensions and connection points of the outdoor unit.

3. OUTDOOR UNIT REFRIGERANTING CYCLE DIAGRAM

4. WIRING DIAGRAM

4-1. Outdoor Unit

Electrical wiring schematic for the outdoor unit, showing connections between components.

5. SPECIFICATIONS OF ELECTRICAL PARTS

5-1. Outdoor Unit

List of electrical components for the outdoor unit with their specifications.

6. REFRIGERANT R410A

6-1. Safety During Installation/Servicing

Safety precautions for handling R410A refrigerant during installation and servicing.

6-2. Refrigerant Piping Installation

Guidelines for selecting and installing piping materials and joints for R410A.

6-3. Tools

Required tools and their interchangeability for R410A systems.

6-4. Recharging of Refrigerant

Step-by-step procedure for recharging refrigerant.

6-5. Brazing of Pipes

Details on brazing materials, flux, and methods for pipe connections.

6-6. Instructions for Re-use Piping of R22 or R407C

Guidelines for reusing existing R22 or R407C piping for R410A models.

7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS

7-1. Outdoor Unit Control

Details on the control system for the outdoor unit and its main controls.

8. TROUBLESHOOTING

8-1. Summary of Troubleshooting

Overview of common problems and troubleshooting procedures for wired remote controllers.

9. SETUP AT LOCAL SITE AND OTHERS

9-1. Calling of Error History

Procedure to view past error histories recorded by the indoor unit.

9-2. Group Control Operation

Explanation of how to control multiple indoor units with a single remote controller.

10. ADDRESS SETUP

10-1. Address Setup Procedure

Steps for setting up indoor unit addresses and group addresses.

10-2. Address Setup & Group Control

Terminology and system configurations for address setup and group control.

10-3. Remote Controller Wiring

Wiring instructions for remote controllers for single, twin, triple, and double twin systems.

10-4. Address Setup (Manual setting from remote controller)

Step-by-step guide for manually setting addresses via the remote controller.

10-5. Confirmation of Indoor Unit No. Position

Methods to check indoor unit addresses and positions on the remote controller.

11. INSTALLATION MANUAL

12. REPLACEMENT OF THE SERVICE P.C. BOARD (4316V392) MCC-1599

13. HOW TO EXCHANGE COMPRESSOR

13-1. Exchanging Procedure of Compressor (Outline)

Outline of the steps involved in exchanging the compressor.

14. DETACHMENTS

14-1. Outdoor Unit

Procedures for disassembling and assembling parts of the outdoor unit.

15. EXPLODED VIEWS AND PARTS LIST

15-1. Outdoor Unit

Illustrated parts list and exploded views for the outdoor unit.

15-2. Inverter Assembly

Parts list and diagrams for the inverter assembly.

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