Toshiba RAS-10SKH-E User Manual

SERVICE M ANUAL
SPLIT W A LL TY PE
TO SH IB A
P R IN TE D IN JA P A N , N ov.,1996 ToM o
FIL E N O . A 00-9619
AIR-CONDITIONER
RAS-10SKH-E RAS-10SAH-E
RAS-10SKHX RAS-10SAHX

Toshiba RAS-10SKH-E Specifications

General

Type	Split System
Cooling Capacity	2.5 kW
Heating Capacity	3.2 kW
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Energy Efficiency Ratio (EER)	3.21
Coefficient of Performance (COP)	3.61
Outdoor Unit Dimensions (W x H x D)	660 x 530 x 240 mm
Indoor Unit Weight	9 kg
Noise Level (Outdoor)	48 dB(A)

Summary

AIR-CONDITIONER SPLIT WALL TYPE

2. CONSTRUCTION VIEWS

2-1. Indoor Unit

Visual representation and dimensions of the indoor unit.

2-2. Outdoor Unit

Visual representation and dimensions of the outdoor unit.

3. WIRING DIAGRAM

4. SPECIFICATIONS OF ELECTRICAL PARTS

4-1. Indoor Unit

List of electrical components for the indoor unit.

4-2. Outdoor Unit

List of electrical components for the outdoor unit.

7. OPERATION DESCRIPTIONS

7-11. Defrost Operation

Process to melt ice from the outdoor unit during heating.

7-12. Auto Restart Function

Feature for automatic restart after power interruption.

8. INSTALLATION PROCEDURE

8-1. Safety Cautions

Critical safety guidelines and warnings for installation.

8-2. Installation Diagram of Indoor and Outdoor Units

Visual guide for unit placement and connection points.

8-3. Installation

General steps and considerations for installation.

8-4. Indoor Unit

Specific instructions for installing the indoor unit.

8-4-2. Electrical Work

Guidelines for electrical connections and power requirements.

8-4-3. Wiring Connection

Step-by-step instructions for connecting wires.

8-4-4. Piping and Drain Hose Installation

How to install refrigerant pipes and the drain hose.

8-5. Outdoor Unit

Guidelines for selecting an installation location for the outdoor unit.

8-5-1. Refrigerant Piping Connection

Detailed steps for connecting the refrigerant piping.

8-5-2. Vacuum Pumping

Procedure for evacuating air from the refrigerant circuit.

8-5-3. Wiring Connection

Instructions for making electrical connections to the outdoor unit.

9. TROUBLESHOOTING CHART

9-1. What to be Prechecked First

Initial checks for basic operational problems.

9-2. Primary Judgement of Trouble Sources

Identifying the likely source of a malfunction.

9-2-2. Display of Abnormalities and Judgement of the Abnormal Spots

9-3. Troubleshooting Flowcharts

Step-by-step flowcharts for diagnosing problems.

9-3-1. Power can not be Turned on (No Operation at All)

9-3-3. Outdoor Unit does not Operate

9-3-4. Only Compressor does not Operate

9-3-5. Only Outdoor Fan does not Operate

9-3-6. Only 4-Way Valve does not Operate (During Heating Operation)

9-3-7. Only the Indoor Fan does not Operate

9-4. How to Check the Remote Control (Including the Indoor PC Board)

Methods for diagnosing remote control and PC board functionality.

9-4-1. How to Check the PC Board

10. PART REPLACEMENT

10-1. Indoor Unit (RAS-10SKH-E, RAS-10SKHX)

10-3. Outdoor Unit (RAS-10SAH-E, RAS-10SAHX)

12. EXPLODED VIEWS AND PARTS LIST