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Toshiba RAV-SM802KRT-E Service Manual

Toshiba RAV-SM802KRT-E
79 pages
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R410A
RAV-SM562KRT-E
RAV-SM802KRT-E
HI WALL TYPE (INDOOR UNIT)
SERVICE MANUAL
FILE NO.SVM-05053-1
Rev. Mar, 2006

Table of Contents

Other manuals for Toshiba RAV-SM802KRT-E

Questions and Answers:

Toshiba RAV-SM802KRT-E Specifications

General IconGeneral
TypeAir conditioner indoor unit
Multi-split-
Product colorWhite
Built-in displayNo
Inverter technologyYes
Refrigerating mediumR410A
Air conditioner functionsCooling, Heating
Cooling capacity in watts (max)7000 W
Cooling capacity in watts (min)1500 W
Heating capacity in watts (max)9000 W
Cooling capacity in watts (nominal)6700 W
Cooling energy efficiency (EER, W/W)2.46
Heating energy efficiency (COP, W/W)3
Operating temperature (cooling) (T-T)-15 - 43 °C
Operating temperature (heating) (T-T)-15 - 15 °C
Heating capacity in watts (nominal) (Average heating season)8000 W
Current13.15 A
AC input voltage230 V
AC input frequency50 Hz
Energy efficiency class (cooling)E
Power consumption (cooling) (max)2720 W
Power consumption (heating) (max)2670 W
Hourly energy consumption (cooling)- kWh
Energy efficiency class (heating) (Average heating season)D
Indoor unit typeWall-mountable
Indoor unit depth221 mm
Indoor unit width998 mm
Indoor unit height298 mm
Indoor unit weight12000 g
Indoor units quantity1
Cooling airflow (indoor unit)1110 m³/h
Indoor unit noise level (high speed)45 dB
Outdoor units quantity0

Summary

1. SPECIFICATIONS

1-1. High-Wall Type (Indoor Unit)

Details specifications for High-Wall Type indoor units, including capacity and electrical characteristics.

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

High-Wall Type RAV-SM562KRT-E/RAV-SM802KRT-E

Provides external construction views and dimensions for the specified indoor unit models.

3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM

3-1. Hi Wall type RAV-SM562KRT-E/SM802KRT-E

Details the systematic refrigerating cycle diagram for Hi Wall type indoor units.

4. WIRING DIAGRAM

4-1. Hi Wall type (Indoor unit) RAV-SM562KRT-E/SM802KRT-E

Presents the wiring diagram for the Hi Wall type indoor unit models.

5. SPECIFICATIONS OF ELECTRICAL PARTS

5-1. Indoor Unit

Lists electrical parts for the indoor unit, including their types and specifications.

6. REFRIGERANT R410A

6-1. Safety During Installation/Servicing

Outlines safety precautions for installation and servicing of R410A refrigerant systems.

6-2. Refrigerant Piping Installation

Covers the installation of refrigerant piping, including materials and joints.

6-3. Tools

6-3.1. Required Tools

Lists the required tools for R410A installation and servicing, categorizing them by exclusivity.

6-4. Recharging of Refrigerant

Recharging Procedure

Details the step-by-step procedure for recharging the refrigerant into the system.

6-5. Brazing of Pipes

6-5.1. Materials for Brazing

Discusses various materials used for brazing pipes, including silver and phosphor bronze fillers.

6-5.2. Flux

Explains the necessity and characteristics of flux used in brazing applications.

6-5.3. Brazing

7. INDOOR UNIT CONTROL

7-1. Indoor Control Circuit

Details the indoor unit's control circuit diagram and its components.

7-2. Control Specifications

Item 1: Control at power-on reset

Describes how the unit behaves and identifies itself upon power-on reset.

Item 2: Operation mode switching

Explains how operation modes (OFF, FAN, COOL, DRY, HEAT, AUTO) are switched and controlled.

Item 3: Room temperature control

Details the room temperature control specifications, including adjustment ranges and set temperatures.

Control Specifications (Continued)

Item 3: Room temperature control (Continued)

Further details on room temperature control, including set temperature correction and HEAT operation.

Item 4: Capacity auto control (GA control)

Explains the GA control mechanism for automatic capacity adjustment based on temperature differences.

Item 5: COOL/HEAT/AUTO control

Describes the switching logic between COOL, HEAT, and AUTO modes based on temperature conditions.

Control Specifications (Continued)

Item 6: Fan speed control

Details fan speed control logic for COOL and HEAT modes, including AUTO mode.

Control Specifications (Continued)

Item 6: Fan speed control (Continued)

Provides fan speed settings for different models and conditions, including HEAT preparation and auto cooling/heating.

Item 7: Cool air prevention control

Explains the cool air prevention control logic based on indoor unit heat exchanger sensor temperature.

Control Specifications (Continued)

Item 8: Freezing prevention control (low-temp. release)

Describes the control mechanism to prevent freezing during COOL or DRY modes.

Item 9: High-temp. release control

Explains the control to release high temperature conditions during HEAT mode.

Item 10: Residual heat removal

Details the process of removing residual heat after HEAT operation stops.

Control Specifications (Continued)

Item 11: Flap control

Covers flap position control, swing settings, and automatic closing during operation stops.

Control Specifications (Continued)

Item 12: HA control

Explains the HA control for remote ON/OFF and status output, conforming to JEMA standards.

Item 13: Filter sign indication

Describes how the filter replacement signal is transmitted and how the timer is cleared.

Control Specifications (Continued)

Item 14: Central control mode switching

Details how central control modes can be switched via the remote controller.

Item 15: Power-saving control

Explains power-saving operation and temperature correction using sensor data.

Item 16: Maximum frequency limit control

Covers the control that limits maximum frequency in AUTO mode based on outdoor temperature.

7-3. P. C. Board of Indoor Unit

MCC-1510

Identifies the specific PC board model (MCC-1510) used in the indoor unit.

7-4. Optional Onboard Connector Specifications

Function

Lists functions associated with optional onboard connectors and their specifications.

8. Troubleshooting

1. Guide to Troubleshooting

Provides a general guide to troubleshooting errors for both wired and wireless remote controller types.

Troubleshooting (Continued)

1. Guide to Troubleshooting (Continued)

Continues the troubleshooting guide, detailing error judgment based on lamp indications and check codes.

Troubleshooting (Continued)

Outline of Judgment

Lists possible causes for various error codes detected by indoor and outdoor units.

Troubleshooting (Continued)

Others (Excluding check code)

Covers errors not indicated by specific check codes, like trial operation or invalid settings.

Troubleshooting (Continued)

Check Code Table (Indoor Unit)

A table detailing check codes, lamp indications, faulty locations, and failure descriptions for indoor units.

Troubleshooting (Continued)

Check Code Table (Outdoor Unit)

A table detailing check codes, lamp indications, faulty locations, and failure descriptions for outdoor units.

Troubleshooting (Continued)

Failure mode detected by indoor unit

Lists failure modes detected by the indoor unit with corresponding check codes and possible causes.

Troubleshooting (Continued)

Failure mode detected by outdoor unit (Representative codes)

Lists representative failure modes detected by the outdoor unit with check codes and troubleshooting actions.

Troubleshooting (Continued)

2. Troubleshooting by Remote Controller Check Indication

Explains how to check error codes and logs using the main remote controller (RBC-AMT31E).

Troubleshooting (Continued)

3. Troubleshooting for Each Check Code

Provides detailed troubleshooting steps for specific check codes like E01.

Troubleshooting (Continued)

[E02] R/C transmission error

Details troubleshooting steps for the R/C transmission error.

[E03] I/U - R/C communication error (detected by I/U)

Explains the I/U - R/C communication error detected by the indoor unit.

Troubleshooting (Continued)

[E04] I/U - O/U communication error (detected by I/U)

Details troubleshooting for I/U - O/U communication errors detected by the indoor unit.

Troubleshooting (Continued)

[E09] Duplication of R/C header

Addresses the issue of duplicated R/C header settings.

[E18] Communication error between header and follower I/U

Explains troubleshooting for communication errors between header and follower indoor units.

Troubleshooting (Continued)

[F01] I/U sensor TCJ error

Guides on troubleshooting TCJ sensor errors in the indoor unit.

[F02] I/U sensor TC error

Guides on troubleshooting TC sensor errors in the indoor unit.

Troubleshooting (Continued)

[F10] I/U sensor TA error

Guides on troubleshooting TA sensor errors in the indoor unit.

[F29] Other indoor unit errors

Covers errors related to the indoor unit's EEPROM and auto address mode.

Troubleshooting (Continued)

[F31] O/U EEPROM error

Details troubleshooting for outdoor unit EEPROM errors.

[E08][L03][L07][L08] (New code/old code)

Addresses errors related to duplicated addresses and group configuration.

[L09] Indoor unit capacity not set

Guides on setting the indoor unit capacity when it's not configured.

Troubleshooting (Continued)

[L20] Duplication of central control address

Addresses the issue of duplicated central control addresses.

[L30] I/U external interlock

Guides on troubleshooting external interlock alarms.

Troubleshooting (Continued)

[P12] Malfunction of I/U fan motor

Provides a detailed troubleshooting flowchart for indoor unit fan motor malfunctions.

Troubleshooting (Continued)

[P12] Malfunction of I/U fan motor (Continued)

Continues the troubleshooting steps for indoor unit fan motor malfunctions, including voltage checks.

Troubleshooting (Continued)

[P31] Other I/U errors (Group follower I/U error)

Explains errors related to group follower indoor units during group operation.

Troubleshooting (Continued)

[C05], [C06] (Central controller)

Details troubleshooting for TCC-LINK central control communication errors.

9. HOW TO REPLACE SERVICE BOARD OF INDOOR UNIT

Requirements When Replacing Service Board of Indoor Unit

Outlines the requirements and data stored in the EEPROM before replacing an indoor unit service board.

Case 1

Details the replacement procedure when the unit can be powered ON and settings can be read.

Case 2

Details the replacement procedure when the unit cannot be powered ON or R/C is disabled.

Case 3

Details the replacement procedure when the EEPROM is defective and settings cannot be read.

How to Replace Service Board of Indoor Unit (Continued)

*1 Reading EEPROM Data

Explains how to read EEPROM data from the unit before replacing the service board.

*2 Replacing Service Board and Power ON

Guides on replacing the service board and powering on the unit, covering single and group operations.

How to Replace Service Board of Indoor Unit (Continued)

*3 Writing Setting Data in EEPROM

Details the process of writing setting data back into the EEPROM after board replacement.

How to Replace Service Board of Indoor Unit (Continued)

Example of Setting Contents to be Written Down (Code Table)

Provides a table of setting codes (DN) and their corresponding factory settings for various configurations.

10. ON-SITE SETTING AND OTHERS

1. Indoor Unit

Covers on-site settings and operations for the indoor unit.

1.1 Trial Operation Setting by Remote Controller only.

Explains how to perform trial operation using the remote controller.

On-Site Setting and Others (Continued)

1.2 Forcible Defrost Setting by Remote Controller (wired R/C only)

Details how to set up and execute forcible defrosting using the wired remote controller.

1.3 Indication of Onboard LEDs

Explains the meaning of onboard LEDs (D02, D203) and their blinking patterns.

On-Site Setting and Others (Continued)

1.4 JRA Capacity Measurement Mode (wired R/C only)

Describes how to use the JRA capacity measurement mode for testing.

1.5 Function Select Setting (wired R/C only)

Guides on selecting various functions using the remote controller.

On-Site Setting and Others (Continued)

Function Select Code (DN) Table

A table listing function select codes (DN) with descriptions and factory settings.

On-Site Setting and Others (Continued)

1.6 Wiring and Setting for Remote Controller

Covers wiring and setting for controlling units with two remote controllers and follower RC settings.

On-Site Setting and Others (Continued)

1.7 Monitoring Function of Remote Controller Switch

Explains how to use the remote controller to monitor sensor temperatures.

On-Site Setting and Others (Continued)

■Calling error log

Details how to access and view the error log history using the remote controller.

On-Site Setting and Others (Continued)

<Group Control Operation>

Explains group control operation, including twin, triple, and double twin configurations.

(1) Scope of R/C indication

Describes how R/C indications are reflected in group control, including header unit settings.

(2) HA

Covers HA control capabilities for group operation, including ON/OFF control.

(3) Address setting

Details the process of address setting for indoor units in group control.

Indoor Unit Power ON Sequence

3. Connections for Central Control

3.1 Connections for TCC-LINK Central Control

Details the connections required for TCC-LINK central control.

On-Site Setting and Others (Continued)

3.1.4 Wiring Specifications

Provides wiring specifications for the TCC-LINK central control system, including cable types and lengths.

On-Site Setting and Others (Continued)

3.1.5 Setting Onboard Switches

Explains how to set onboard switches, particularly SW01 for terminating resistors.

On-Site Setting and Others (Continued)

3.1.6 Onboard Switch Setting Procedure

Provides a step-by-step procedure for setting onboard switches, including SW01.

On-Site Setting and Others

3.1.7 Setting Addresses

Outlines the procedure for setting addresses for indoor units in the TCC-LINK central control system.

On-Site Setting and Others

(1) Manual setting/change of indoor unit refrigerant line addresses

Explains manual address setting for refrigerant lines, especially for systems with many units.

On-Site Setting and Others

(2) Manual setting/change of indoor unit refrigerant line addresses

Covers manual address setting for systems with 30 or more refrigerant systems.

3.1.8 Central Control Address Number Setting

11. ADDRESS SETTING

1. Address Setting

Outlines the general procedure for setting indoor unit addresses, including auto address setting.

2. Address Setting and Group/Twin/Triple Control

Defines terms and explains system configurations for group, twin, and triple controls.

Address Setting and Group/Twin/Triple Control

[1] System Configuration

Illustrates single, twin, and group operation configurations.

Address Setting and Group/Twin/Triple Control

[2] Examples of Auto Address Setting from No Address Setting

Provides examples of auto address setting for single, group, and multiple group operations.

3. Address Setting

ADDRESS SETTING (Continued)

(1) To find the address of indoor unit whose location is clear

Describes how to find the address of an indoor unit when its location is known.

(2) To find the location of indoor unit from its address

Explains how to find an indoor unit's location by checking its address in a group.

12. EXPLODED VIEWS AND PARTS LIST

High-Wall Type RAV-SM562KRT-E/RAV-SM802KRT-E

Provides an exploded view and parts list for the High-Wall Type indoor units.

Exploded Views and Parts List (Continued)

RAV-SM562KRT-E/RAV-SM802KRT-E

Lists parts for the RAV-SM562KRT-E/RAV-SM802KRT-E models.

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