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Toshiba
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Air Conditioner
Toshiba
RAS-10SAV-A, RAS-10SAV-E, RAS-10SKV-A, RAS-10SKV-E
Solder side
1
83
94
94
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94 pages, 7.95 Mb
FILE NO.
SVM-07008
<P.C. board layout>
Solder side
– 82 –
Contents
Page
SAFETY PRECAUTIONS
SPECIFICATIONS
REFRIGERANT R410A
CONSTRUCTION VIEWS
WIRING DIAGRAM
1. SAFETY PRECAUTIONS
CAUTION
DANGER
DANGER: HIGH VOLTAGE
WARNING
2. SPECIFICATIONS
2-1.Specifications
2-2.Operation Characteristic Curve
3. REFRIGERANT R410A
3-1.Safety During Installation/Servicing
3-2.Refrigerant Piping Installation
3-2-1.Piping Materials and Joints Used
3-2-2.Processing of Piping Materials
Fig. 3-2-1Flare processing dimensions
Table 3-2-3Dimensions related to flare processing for R410A
Outer
A (mm)
Nominal
Table 3-2-6Flare and flare nut dimensions for R22
Fig. 3-2-2Relations between flare nut and flare seal surface
2.Flare Connecting Procedures and Precautions
Table 3-2-7Tightening torque of flare for R410A [Reference values]
Tightening torque
3-3.Tools
3-3-1.Required Tools
3-4.Recharging of Refrigerant
3-5.Brazing of Pipes
3-5-1.Materials for Brazing
3-5-2.Flux
3-5-3.Brazing
Never use gas other than Nitrogen gas
4. CONSTRUCTION VIEWS
4-1.Indoor Unit
4-2.Outdoor Unit
5. WIRING DIAGRAM
5-1.Indoor Unit
5-2.Outdoor Unit
6-1.Indoor Unit
6-2.Outdoor Unit (RAS-10SAV-E, RAS-10SAV-A)
Rating
7. REFRIGERANT CYCLE DIAGRAM
7-1.Refrigerant Cycle Diagram
Operation Data
8. CONTROL BLOCK DIAGRAM
8-1.Indoor Unit
8-2.Outdoor Unit (Inverter Assembly)
MICRO-COMPUTERBLOCKDIAGRAM
For INDOOR UNIT
9. OPERATION DESCRIPTION
9-1.Outline of Air Conditioner Control
Operation Description
Auto Restart Function
Remote Controller and Its Fuctions
9-2.Operation Description
Page
Indication
Fan speed
(Table 1) Indoor fan and air flow rate
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9-3.Auto Restart Function
9-3-1.How to Set the Auto Restart Function
9-3-2.How to Cancel the Auto Restart Function
9-3-3.Power Failure During Timer Operation
9-4.Remote control
4.DRY OPERATION (COOLING ONLY)
5.Hi-POWEROPERATION
6.ECO OPERATION
Note:
7.TEMPORARY OPERATION
9.PRESET OPERATION
10.AUTO RESTART OPERATION
Setting
11.QUIET OPERATION
12. COMFORT SLEEP OPERATION
9-4-3.Name and Functions of Indications on Remote Controller
10. INSTALLATION PROCEDURE
10-1-2.Optional installation parts
Part
Parts name
Q'ty
Code
10-1-3.Accessory and installation parts
Others Name
10-1-4.Installation/Servicing Tools <Changes in the product and components
New tools for R410A
Applicable to R22 model
Changes
10-2.Indoor Unit
<When the installation plate is directly mounted on the wall
10-2-3.Electrical work
CAUTION
NOTE
10-2-4.Wiring connection
<How to connect the connecting cable
10-2-5.Piping and drain hose installation
<Piping and Drain Hose Forming
1. Die-cuttingFront panel slit
<How to fix the Drains Cap
<In case of right or left piping
<Left-handconnection with piping
Bend the connection pipe within a radius of 30 mm (∅ 6.35) 40 mm (∅ 9.52)
<In case of bottom right or bottom left piping
10-3.Outdoor Unit
(Unit : Nám) 10-3-3.Evacuating
Tightening torque
Tightening torque of flare pipe connections
<Shaping pipes
AIR PURGE
<Packed valve handling precautions
Hexagonal wrench
is required
<Stripping length of connection cable
10-3-4.Wiring connection
Information
<How to set the auto restart
11. HOW TO DIAGNOSE THE TROUBLE
10-1.First Confirmation
11-2.Primary Judgment
11-3.Judgment by Flashing LED of Indoor Unit
11-4. Self-Diagnosisby Remote Controller (Check Code)
11-4-1.How to Use Remote Controller in Service Mode
11-4-2.Caution at servicing
Page
11-5.Judgement of Trouble by Every Symptom
Page
(3)Only the indoor fan does not operate. <Check procedure
(4)Indoor fan motor starts rotating by turning on power supply alone. <Cause
<Confirmation procedure
(5) Troubleshooting for remote control
11-5-2.Wiring Failure (Interconnecting and serial signal wire)
(1)Outdoor unit does not operate
11-6.Check Code 1C (Miswiring in indoor/outdoor units) and 1E
11-7.How to Diagnose Trouble in Outdoor Unit
11-8.How to Check Simply the Main Parts
(3) Checking procedure
Procedure
Check Point (Symptom)
Causes
<Sensor characteristic table
11-8-3.Indoor unit (Other parts)
Part name
Checking procedure
11-8-4.Outdoor unit
11-8-5.Checking Method for Each Part
11-9.How to Simply Judge Whether Outdoor Fan Motor is Good or Bad
12. PART REPLACEMENT
12-1.Indoor Unit
No
Part name
No. Part name
12-2.Microcomputer
Solder side
12-3-1.Outdoor Unit
Be careful when checking the
inverter because high-voltage
circuit is incorporated in it
This capacitor has mass capacity
Therefore, it is dangerous that a
Page
Page
Requirement:
Perform the work on a corrugated
cardboard, cloth, etc. to prevent
scratches to the product
Q’ty
13. EXPLODED VIEWS AND PARTS LIST
13-1.Indoor Unit (E-PartsAssy)