Related Manuals for Toshiba RAV-SM2244DTP-E
Summary of Contents for Toshiba RAV-SM2244DTP-E
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Page 1: Installation Manual
AIR CONDITIONER (SPLIT TYPE) Installation Manual Indoor Unit For commercial use Model name: Concealed Duct High Static Pressure Type RAV-SM2244DTP-E RAV-SM2804DTP-E English... -
Page 2: Table Of Contents
• The qualified installer is a person who installs, maintains, relocates and removes the air conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, maintain, relocate and remove the air Precautions for safety ............3... -
Page 3: Warning Indications On The Air Conditioner Unit
Definition of Protective Gear Warning indications on the air conditioner unit When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘safety’ work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special Warning indication Description work detailed in the following table. -
Page 4: Precautions For Safety
– 3 – • Only a qualified installer(*1) or qualified service person(*1) is Precautions for safety allowed to undertake work at heights using a stand of 50 cm or The manufacturer shall not assume any liability for the damage more or to remove the intake grille of the indoor unit to undertake caused by not observing the description of this manual. - Page 5 • The air conditioner must be transported in stable condition. If any Installation part of the product is broken, contact the dealer. • When the indoor unit is to be suspended, the designated hanging • When carrying the Air Conditioner, be sure to use a forklift. If it is bolts (M10 or W3/8) and nuts (M10 or W3/8) must be used.
- Page 6 – 5 – • Tighten the flare nut with a torque wrench in the specified • Do not connect earth wires to gas pipes, water pipes, and manner. Excessive tighten of the flare nut may cause a crack in lightning conductor or telephone earth wires. the flare nut after a long period, which may result in refrigerant •...
- Page 7 • After the work has finished, use an insulation tester set (500 V CAUTION Megger) to check the resistance is 1 MΩ or more between the New refrigerant air conditioner installation charge section and the non-charge metal section (Earth section). •...
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Page 8: Accessory Parts
– 7 – Accessory parts Selection of installation place Accessory parts Avoid installing in the following places Select a location for the indoor unit where the cool or warm air will circulate evenly. Avoid installation in the following kinds of locations. Part name Q’ty Shape... -
Page 9: Installation Space
Installation under high-humidity atmosphere Installation space (Unit: mm) In some cases including the rainy season, especially inside of the ceiling may become high-humidity atmosphere Reserve sufficient space required for installation or service work. (dew-point temperature: 23 °C or higher). Space required for installation and servicing 1. -
Page 10: Installation
– 9 – Installation of hanging bolt Installation of indoor unit Installation Consider the piping / wiring after the unit is hung to Treatment of ceiling CAUTION determine the location of the indoor unit installation The ceiling differs according to structure of building. and orientation. -
Page 11: Drain Piping
REQUIREMENT Drain piping Removing the cardboard for transportation CAUTION Make sure to remove the protection cardboard for transportation that is inserted in the gap between the top cabinet and the heat exchanger before installing the indoor unit. Following the Installation Manual, perform the drain piping work so that water is properly drained. Apply a heat insulation so as not to cause a dew condensation. - Page 12 – 11 – Connecting drain pipe Heat insulating process Insert flexible drain hose into the drain pipe of main unit as far as it will go. Fix it with hose band. As shown in the figure, cover the flexible hose and hose band with the attached heat insulator up to the bottom of the indoor unit tightly.
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Page 13: Fan Characteristics
Fan characteristics SM224 type SM280 type Standard Air Flow : 3800 (m³/h) Standard Air Flow : 4800 (m³/h) Mid(250Pa) Mid(217Pa) Mid(250Pa) High(250Pa) Mid(183Pa) Mid(217Pa) High(217Pa) Mid(150Pa,117Pa) Mid(183Pa) High(183Pa) Mid(150Pa,117Pa) High(250Pa) High(150Pa) High(217Pa) High(117Pa) High(183Pa) High(83Pa) High(150Pa) High(50Pa) High(117Pa) High(83Pa) High(50Pa) Mid(83Pa) Mid(83Pa) Mid(50Pa) -
Page 14: Duct Design
– 13 – Duct design Duct design Arrangement (Unit: mm) Referring to the following dimensions, manufacture duct at the local site. In order to prevent short circuits, design (Thickness of plate : 0.8 mm) the duct work so that the intake and discharge openings are not adjacent to <Air outlet>... -
Page 15: Refrigerant Piping
Refrigerant piping Tightening connection CAUTION CAUTION Do not burn the pipe heat insulator. Refrigerant piping Flaring Be careful for the flame, due to the brazing Do not apply excessive torque. Otherwise, the Cut the pipe with a pipe cutter. process on the ceiling. nut may crack depending on the conditions. - Page 16 – 15 – Refrigerant amount to be added Heat insulation process For addition of the refrigerant, add refrigerant “R410A” Apply heat insulation for the pipes separately at liquid referring to the attached Installation Manual of outdoor side and gas side. unit.
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Page 17: Electrical Connection
Power and wiring specification Electrical connection 220-240 V~, 50 Hz REQUIREMENT Indoor fan power supply WARNING 220V~, 60 Hz For power supply wiring, strictly conform to the 1. Using the specified wires, ensure to connect the Maximum running current Local Regulation in each country. wires, and fix wires securely so that the external Power supply for indoor unit must be exclusive Fuse rating... -
Page 18: Remote Controller Wiring
– 17 – Wire connection Remote controller wiring Strip off approx. 9 mm the wire to be connected. REQUIREMENT Non polarity, 2 core wire is used for wiring of the remote controller. (0.5 mm² to 2.0 mm² wires) Be sure to connect the wires matching the terminal numbers. Incorrect connection causes a trouble. Wiring diagram Be sure to pass the wires through the bushing of wire connection holes of the indoor unit. -
Page 19: Applicable Controls
External static pressure Applicable controls Each time button is pushed, indoor settings unit numbers in the control group change cyclically. Select the indoor unit to change Basic procedure for changing REQUIREMENT settings for. Set up a tap change based upon the external static settings When you use this air conditioner for the first The fan of the selected unit runs and the louvers... - Page 20 – 19 – Remote controller-less setting Filter sign setting Power saving mode To set up the external static pressure, use the DIP switch on the circuit board of the wireless reception part. For details, refer to the instruction manual of the wireless remote controller kit. Alternatively, use the switch on the According to the installation condition, the filter sign Performing settings of the power saving term (Notification of filter cleaning) can be changed.
- Page 21 Remote controller switch Group control Push button to return to the normal monitoring function display. Group control for system of multiple units Indoor unit data One remote controller can control maximum 8 indoor units as a group. This function is available to call the service monitor mode from the remote controller even during a test CODE No.
- Page 22 – 21 – [Procedure example] After check of the changed contents, push Manual address setup procedure button. (Setup is determined.) When 1. Specify CODE No. [12] with TEMP. 1. Specify CODE No. [14] TEMP. buttons. While the operation stops, change the setup. buttons.
- Page 23 8 °C Operation To recognize the position of the After confirmation, push button to return corresponding indoor unit though the to the normal mode. indoor UNIT No. is known Pre-heating operation can be set for cold regions When button is pushed, the display where room temperature drops to below zero.
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Page 24: Test Run
– 23 – Test run Maintenance Before test run Wired remote controller CAUTION Before turning on the power supply, carry out the 2, 4 When connecting a return air duct to the unit, the cleaning method of the air filter differs according to the following procedure. -
Page 25: Troubleshooting
q Periodic Maintenance Troubleshooting For environmental conservation, it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner. Confi rmation and check Confirmation of check code When the air conditioner is operated for a long time, periodic maintenance (once a year) is recommended. - Page 26 – 25 – Check codes and parts to be checked Wired Wireless remote remote controller Sensor block controller display of receiving unit Judging display Wired Main problem parts Parts to be checked / Check code description conditioner Wireless remote device remote status Operation Timer...
- Page 27 Wired Wireless remote remote controller Sensor block controller display of receiving unit Judging display Main problem parts Parts to be checked / Check code description conditioner device status Operation Timer Indication Ready Flashing GR GR OR Operation Power supply phase sequence, outdoor unit p.c. Phase sequence continued Outdoor...
- Page 28 TOSHIBA CARRIER (THAILAND) CO.,LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND. 1117880399...