Page 2 - Contents; ADOPTION OF NEW REFRIGERANT
Toshiba XXXXXXX( X /X) – 1 – 4-way Air Discharge Cassette Type Owner’s Manual Contents 1. PRECAUTIONS FOR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. SYSTEM CHARACTERISTICS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - PRECAUTIONS FOR SAFETY; WARNING; WARNINGS ABOUT INSTALLATION; WARNINGS ABOUT OPERATION
Toshiba XXXXXXX( X /X) – 2 – 4-way Air Discharge Cassette Type Owner’s Manual EN 1. PRECAUTIONS FOR SAFETY WARNING WARNINGS ABOUT INSTALLATION • Make sure to ask the qualified installation professional in electric work to install the air conditioner.If the air conditioner is inappropriate installed ...
Page 4 - CAUTION; CAUTIONS ABOUT OPERATION
Toshiba XXXXXXX( X /X) – 3 – 4-way Air Discharge Cassette Type Owner’s Manual CAUTION CAUTIONS ABOUT INSTALLATION (Be sure to confirm the following cautions.) • Use an exclusive power circuit for the air conditioner. Use the rated voltage. • Certainly lay the drain hose for perfect draining. Bad dra...
Page 5 - SYSTEM CHARACTERISTICS
Toshiba XXXXXXX( X /X) – 4 – 4-way Air Discharge Cassette Type Owner’s Manual EN 2. SYSTEM CHARACTERISTICS Air conditioner operating conditions For proper performance, operate the air conditioner under the following temperature conditions: 3 minute protection function There is a 3-minute time delay ...
Page 6 - ENERGY SAVING RECOMMENDATIONS; Select a comfortable set point and minimize adjusting it.; Checks before operating
Toshiba XXXXXXX( X /X) – 5 – 4-way Air Discharge Cassette Type Owner’s Manual 3. ENERGY SAVING RECOMMENDATIONS Select a comfortable set point and minimize adjusting it. • Clean the filter when ever the filter display is illuminated on remote control. • Keep doors and windows closed and open them onl...
Page 7 - PART NAMES; Indoor unit; Part sold separately
Toshiba XXXXXXX( X /X) – 6 – 4-way Air Discharge Cassette Type Owner’s Manual EN 4. PART NAMES Indoor unit Outdoor unit * The image of the outdoor unit in the figure is in the case Model RAV-SP420AT2-UL. Knob Knob to open/close the return air grille. Provided in the electric parts box. Ground sc...
Page 8 - WIRED REMOTE CONTROL; Display section
Toshiba XXXXXXX( X /X) – 7 – 4-way Air Discharge Cassette Type Owner’s Manual 5. WIRED REMOTE CONTROL This remote control can control the operation of up to 8 indoor units.The remote control has two sections: The display section and the operation section. Display section In the display below all t...
Page 10 - Operation section
Toshiba XXXXXXX( X /X) – 9 – 4-way Air Discharge Cassette Type Owner’s Manual Operation section Push each button to select a desired operation.• The control saves commands in memory and after the initial setting, there is no need for any additional settings unless changes are desired. The air cond...
Page 11 - CORRECT USAGE; Preparation; Start; Stop
Toshiba XXXXXXX( X /X) – 10 – 4-way Air Discharge Cassette Type Owner’s Manual EN 6. CORRECT USAGE • When you use the air conditioner for the first time or when you change the setting, follow the steps below. Settings are saved in memory and are displayed anytime the unit is turned on by pushing the...
Page 12 - Auto Changeover
Toshiba XXXXXXX( X /X) – 11 – 4-way Air Discharge Cassette Type Owner’s Manual NOTE Auto Changeover • When in Auto Mode, the unit selects the operating mode (cooling, heating or fan only) based on the user selected set point temperature. • If the Auto mode is uncomfortable, you can select the desire...
Page 13 - TIMER OPERATION; Timer operation; Set
Toshiba XXXXXXX( X /X) – 12 – 4-way Air Discharge Cassette Type Owner’s Manual EN 7. TIMER OPERATION • Three timer modes are available: (Setting of up to 168 hours is enabled.) Timer operation Set 1 Push button. The timer mode changes with every push of the button. • and timer display flashes. 2 P...
Page 14 - LOUVER DIRECTION; For cooling; For heating
Toshiba XXXXXXX( X /X) – 13 – 4-way Air Discharge Cassette Type Owner’s Manual 8. LOUVER DIRECTION For best cooling and heating performance, adjust the louvers appropriately. In cooling the louvers should be directed so that the air discharge is horizontal. In heating they should be directed to disc...
Page 15 - Set louver direction; Unit select
Toshiba XXXXXXX( X /X) – 14 – 4-way Air Discharge Cassette Type Owner’s Manual EN Set louver direction 1 Push during operation. The louver direction changes with every push of the button. In HEAT operation Direct the louver downward. In COOL/DRY operation Direct the louver horizontally. In FAN opera...
Page 16 - Select an indoor unit to be set by pushing
Toshiba XXXXXXX( X /X) – 15 – 4-way Air Discharge Cassette Type Owner’s Manual Set louver direction individually 1 Select an indoor unit to be set by pushing (left side of the button) during operation. • The indoor unit number changes each time you push the button. * When no unit number is display...
Page 17 - POWER SAVING MODE; SELF CLEANING MODE
Toshiba XXXXXXX( X /X) – 16 – 4-way Air Discharge Cassette Type Owner’s Manual EN 9. POWER SAVING MODE • The power saving mode saves energy by limiting the maximum current which will effect heating or cooling capacity that the unit can generate. Push button during operation. • The air conditioner en...
Page 18 - ADVANCED SETTINGS; Swing mode
Toshiba XXXXXXX( X /X) – 17 – 4-way Air Discharge Cassette Type Owner’s Manual 11. ADVANCED SETTINGS Swing mode 1 Push for at least four seconds when the air conditioner is not working. • , symbol, and numbers flash. 2 Push (left side of the button) to select an indoor unit to be set. • Each time ...
Page 20 - Cancel louver lock; Change power saving mode setting
Toshiba XXXXXXX( X /X) – 19 – 4-way Air Discharge Cassette Type Owner’s Manual Cancel louver lock Set the louver direction to “0000” in step 4 of the louver lock setup procedure. • When the setting is cancelled, goes out. Perform the same operations as steps 1, 2, 3, 5, and 6 above. Change power...
Page 21 - MAINTENANCE; Periodic Maintenance; Replacing antibacterial glass
Toshiba XXXXXXX( X /X) – 20 – 4-way Air Discharge Cassette Type Owner’s Manual EN 12. MAINTENANCE WARNING Cleaning the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person to do it.Do not attempt to do it by yourself.To avoid the po...
Page 22 - Cleaning the air filter; Cleaning Unit Grille and Frame; Preparing for long Shut Down Period
Toshiba XXXXXXX( X /X) – 21 – 4-way Air Discharge Cassette Type Owner’s Manual Cleaning the air filter The fan is running for self cleaning maintenance after running the cooling or dry mode. Terminate the self cleaning mode forcibly when maintaining the air conditioner. • If is displayed on the remo...
Page 23 - INFORMATION FOR INSTALLATION; Installation place; Electrical wiring; Do not install the air conditioner in the following places
Toshiba XXXXXXX( X /X) – 22 – 4-way Air Discharge Cassette Type Owner’s Manual EN 13. INFORMATION FOR INSTALLATION Installation place CAUTION • Check that the air conditioner is not installed in a place subject to combustible gas leak. Accumulation of combustible gas around the unit may cause a fire...
Page 24 - Be careful with noise or vibrations; Maintenance
Toshiba XXXXXXX( X /X) – 23 – 4-way Air Discharge Cassette Type Owner’s Manual Be careful with noise or vibrations • Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air outlet annoys your neighbors. • Install the air conditioner on a solid and stable fou...
Page 25 - TROUBLE SHOOTING
Toshiba XXXXXXX( X /X) – 24 – 4-way Air Discharge Cassette Type Owner’s Manual EN 14. TROUBLE SHOOTING CAUTION If any of the following conditions occur, turn off the circuit breaker and immediately contact the dealer:• The operation lamps flash at short intervals (5 Hz) even though you have tried tu...
Page 26 - Protective device
Toshiba XXXXXXX( X /X) – 25 – 4-way Air Discharge Cassette Type Owner’s Manual A white mist of chilled air or water is generated from the outdoor unit. • When the indoor unit in cooling operation or the outdoor unit in defrosting operation occasionally steams. Protective device • The protective devi...
Page 27 - MEMO
Toshiba XXXXXXX( X /X) – 26 – 4-way Air Discharge Cassette Type Owner’s Manual EN MEMO ........................................................................................................................................................................................................................
