No. Part name

Procedure

Remarks

„Replacement of 1. Control P.C. board

electric parts

1) Carry out work of 1 of •.

Control P.C. board

Upper fan motor

 

 

 

 

 

 

 

Compressor

Reactor lead

 

 

 

 

case thermo.

 

 

 

WARNING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Never disassemble the inverter for

1 minute after power supply has been turned off because an electric shock may be caused.

 

 

Lower

 

 

 

2) Remove the connectors connected to

fan motor

Compressor lead

Temperature

Earth wire

 

 

the control P.C. board. (Indoor power

 

 

sensor

 

 

supply, Temperature sensor, PMV coil,

 

 

 

 

4-way valve coil, Compressor case

 

 

 

 

thermo, Fan motor)

 

 

 

 

• Unlock the lock of the housing part

 

4-way valve coil

and then remove the connectors.

 

 

 

 

 

3) Remove the lead wires connected to

PMV coil

Indoor power supply

the control P.C. board.

 

 

 

 

Compressor lead U: CN200 Red

P.C. board

Element fixing screws

 

V: CN201 White

 

fixing screw

(9 positions)

 

W: CN202 Black

 

 

 

 

Reactor cord

CN05 White

 

 

 

 

 

CN06 White

 

 

 

 

4) Remove the earth wire from the control

 

 

 

 

P.C. board.

 

 

 

 

 

(Trust B tight screw Ø4 × 6, 1 pc.)

 

 

 

 

5) Remove the fixing screws of the control

 

 

 

 

P.C. board. (Screw with collar for fixing

 

 

 

 

element Ø3 × 16, 9 pcs. Pan S tight

 

 

 

 

screw for fixing board Ø3 × 20, 1 pc.)

 

 

 

 

6) Remove the control P.C. board.

 

 

 

 

(Supporter: 5 positions)

 

 

 

 

NOTE :

 

 

 

Be careful to take out because there is

 

 

 

 

 

 

sealing material for the heat sink.

 

 

Insulating sheet

 

 

 

7) Replace the control P.C. board with a

 

Control P.C. board

Sealing material

 

 

 

new one.

 

 

 

 

 

 

 

NOTE :

 

 

 

• Be sure not to confuse for Compressor

 

 

 

lead V (CN201 White), Reactor lead

 

 

 

CN05 and CN06.

 

 

 

• Be sure not to come-off of the

 

 

 

insulating sheet.

 

 

 

 

 

 

 

– 147 –

Page 146 Page 148
Page 147
Image 147
Toshiba RAV-SP1404ATZG-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104AT-E 147, „ Replacement of 1. Control P.C. board
Page 146 Page 148

RAV-SP1104ATZG-E, RAV-SP1104ATZ-E, RAV-SP1404ATZ-E, RAV-SM804UT-E, RAV-SP1404AT-E specifications

Toshiba has long been a notable player in the air conditioning market, with a range of products designed to deliver effective cooling and heating solutions. Among its recent offerings are the RAV-SP1104AT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104ATZ-E, and RAV-SP1404ATZ-E models. Each of these models is engineered for efficiency, performance, and user convenience.

The RAV-SP1104AT-E is designed for residential and commercial spaces alike, featuring advanced inverter technology. This model operates efficiently by adjusting compressor speed according to the required cooling load, resulting in reduced energy consumption and optimal performance. With a cooling capacity of 11 kW, it is suitable for medium to large spaces.

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In summary, Toshiba’s RAV-SP1104AT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104ATZ-E, and RAV-SP1404ATZ-E models reflect the brand's commitment to innovation and energy efficiency. These air conditioning solutions cater to a variety of needs while ensuring comfort, reduced environmental impact, and user-friendly operation.
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