Concealed Duct High Static Pressure

Installation Manual

 

 

 

 

 

 

 

 

 

 

 

 

Wired remote

 

 

 

 

 

 

controller

Main defective parts

Judging device

Parts to be checked / error description

Air conditioner

 

 

display

 

 

status

 

 

Indication

 

 

 

 

 

 

 

 

Network

Address setting, central control remote controller, network adapter ---

 

 

 

L20

LAN communication error

adapter central

Auto-reset

 

 

Duplication of address in central control communication

 

 

 

 

control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other outdoor unit error

Entire stop

 

 

 

 

 

 

 

 

 

L29

Other outdoor unit error

Outdoor

1) Communication error between IPDU MCU and CDB MCU

 

 

 

 

Entire stop

 

 

 

 

 

2) Abnormal temperature was detected by the heat sink temp. sensor

 

 

 

 

 

in IGBT.

 

 

 

 

 

 

 

 

 

 

L30

Abnormal external input into

Indoor

External devices, outdoor unit P.C. board --- Abnormal stop due to

Entire stop

 

 

indoor unit (interlock)

incorrect external input into CN80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation

 

 

L31

Phase sequence error, etc.

Outdoor

Power supply phase sequence, outdoor unit P.C. board --- Abnormal

continued

 

 

phase sequence of the 3-phase power supply

(thermostat

 

 

 

 

 

 

 

 

 

 

 

OFF)

 

 

 

 

 

 

 

 

 

P01

Indoor unit fan error

Indoor

Indoor fan motor, indoor P.C. board --- Indoor AC fan error (fan motor

Entire stop

 

 

 

 

 

thermal relay activated) was detected.

 

 

 

P03

Outdoor unit discharge temp.

Outdoor

An error was detected in the discharge temp. releasing control.

Entire stop

 

 

error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P04

Outdoor unit high-pressure

Outdoor

High-pressure switch --- The IOL was activated or an error was

Entire stop

 

 

system error

detected in the high-pressure releasing control using the TE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P05

Open phase detected

Outdoor

The power supply wire may be connected incorrectly. Check open

Entire stop

 

 

phase and voltages of the power supply.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P07

Heat sink overheat

Outdoor

Abnormal temperature was detected by the temp. sensor of the IGBT

Entire stop

 

 

 

 

 

heat sink.

 

 

 

P10

Indoor unit water overflow

Indoor

Drain pipe, clogging of drainage, float switch circuit, indoor P.C. board

Entire stop

 

 

 

detected

 

--- Drainage is out of order or the float switch was activated.

 

 

 

P15

Gas leakage detected

Outdoor

There may be gas leakage from the pipe or connecting part. Check for

Entire stop

 

EN

 

 

 

gas leakage.

 

 

 

 

 

 

 

 

 

 

P19

4-way valve error

Outdoor

4-way valve, indoor temp. sensors (TC/TCJ) --- An error was detected

Auto-reset

 

 

 

 

(Indoor)

due to temperature drop of the indoor unit heat exchanger sensor

(Auto-reset)

 

 

 

 

when heating.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P20

High-pressure protective

Outdoor

High-pressure protection

Entire stop

 

 

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor unit fan motor, outdoor unit P.C. board --- An error

 

 

 

P22

Outdoor unit fan error

Outdoor

(overcurrent, locking, etc.) was detected in the outdoor unit fan drive

Entire stop

 

 

 

 

 

circuit.

 

 

 

 

 

 

 

 

 

 

 

Outdoor unit inverter Idc

 

IGBT, outdoor unit P.C. board, inverter wiring, compressor --- Short-

 

 

 

P26

Outdoor

circuit protection for compressor drive circuit devices (G-Tr/IGBT) was

Entire stop

 

 

activated

 

 

 

 

activated.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P29

Outdoor unit position error

Outdoor

Outdoor unit P.C. board, high-pressure switch --- Compressor motor

Entire stop

 

 

position error was detected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P31

Other indoor unit error

Indoor

Another indoor unit in the group is raising an alarm.

Entire stop

 

 

 

 

 

 

E03/L07/L03/L08 alarm check locations and error description

Auto-reset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

: The air conditioner automatically enters the auto-address setting mode.

– 40 –

40-EN

Page 41
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Toshiba RAV-SM2242DT-E, RAV-SM2802DT-E installation manual 40-EN

RAV-SM2242DT-E, RAV-SM2802DT-E specifications

Toshiba has long been a leader in heating, ventilation, and air conditioning (HVAC) technology, offering innovative solutions that cater to both residential and commercial needs. Among their impressive lineup, the Toshiba RAV-SM2802DT-E and RAV-SM2242DT-E stand out as exceptional models designed for efficiency, performance, and comfort.

The RAV-SM2802DT-E is a powerful unit ideal for larger spaces, boasting a cooling capacity of 28,000 BTU/h and a heating capacity of 31,000 BTU/h. This model features a highly efficient inverter compressor, which adjusts the power consumption based on the cooling or heating demand, ensuring optimal energy use. This inverter technology not only reduces energy consumption but also maintains a stable indoor temperature for enhanced comfort.

On the other hand, the RAV-SM2242DT-E is tailored for mid-sized applications with a cooling capacity of 22,000 BTU/h and a heating capacity of 25,000 BTU/h. This model also embraces inverter technology, promoting lower operational costs while delivering reliable performance. Both units come with a high energy efficiency rating, reducing environmental impact and saving on utility bills.

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Both the RAV-SM2802DT-E and RAV-SM2242DT-E are designed with user convenience in mind. They come with a user-friendly remote control, allowing for easy adjustments and settings from anywhere in the room. Compatibility with smart home systems further enhances user experience by enabling remote monitoring and control through smartphones or tablets.

Constructed with durability in mind, these units are built to withstand diverse weather conditions, making them suitable for various climatic environments. Additionally, their aesthetic design allows for seamless integration into any setting, ensuring that performance does not compromise on looks.

In summary, Toshiba's RAV-SM2802DT-E and RAV-SM2242DT-E offer a blend of superior technology, energy efficiency, and user-friendly features. With their inverter technology, advanced filtration systems, and durable designs, these models represent Toshiba's commitment to quality and innovation in the HVAC industry. Whether for residential or commercial applications, these units guarantee comfort and reliability all year round.