Toshiba RAV-SP302AT2P-UL Installation Manual Download Page 2

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Original instruction

Please read this Installation Manual carefully before installing the Air Conditioner.

• This Manual describes the installation method of the outdoor unit.

• For installation of the indoor unit, refer the Installation Manual attached to the indoor unit.

ADOPTION OF NEW REFRIGERANT

This Air Conditioner uses R410A an environmentally friendly refrigerant.

Contents

1 Precautions for safety ................................................................................................... 3

2 Accessory parts ............................................................................................................ 6

3 Installation of new refrigerant air conditioner ............................................................. 6

4 Installation conditions ................................................................................................... 7

5 Refrigerant piping ........................................................................................................ 10

6 Vacuum .......................................................................................................................... 11

7 Electrical work .............................................................................................................. 12

8 Grounding ..................................................................................................................... 14

9 Finishing ...................................................................................................................... 14

10 Test run .......................................................................................................................... 14

11 Annual maintenance .................................................................................................... 14

12 Functions to be implemented locally ......................................................................... 14

13 Troubleshooting ........................................................................................................... 17

14 Appendix ....................................................................................................................... 17

15 Specifications ............................................................................................................... 18

1-EN

2-EN

1131501101-00_S01_297x210_60p_S_p70_220425.indd 1

25/4/2565 15:23:30

Summary of Contents for RAV-SP302AT2P-UL

Page 1: ...r Unit Model name Heat Pump Model RAV SP302AT2P UL RAV SP362AT2P UL RAV SP422AT2P UL RAV SP482AT2P UL For commercial use Pour usage commercial Para uso comercial 1131501101 Installation Manual 1 1131501101 00_S01_297x210_60p_S_p70_220425 indd 1 25 4 2565 15 23 30 ...

Page 2: ...r Conditioner uses R410A an environmentally friendly refrigerant Contents 1 Precautions for safety 3 2 Accessory parts 6 3 Installation of new refrigerant air conditioner 6 4 Installation conditions 7 5 Refrigerant piping 10 6 Vacuum 11 7 Electrical work 12 8 Grounding 14 9 Finishing 14 10 Test run 14 11 Annual maintenance 14 12 Functions to be implemented locally 14 13 Troubleshooting 17 14 Appen...

Page 3: ...vice person is a person who installs repairs maintains relocates and removes the air conditioners made by Manufacturer He or she has been trained to install repair maintain relocate and remove the air conditioners made by Manufacturer or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the kn...

Page 4: ... symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CA...

Page 5: ...or by by passing any of the safety interlock switches Do not touch the intake or aluminium fins of the outdoor unit Doing so may result in injury Tighten the flare nut with a torque wrench in the specified manner Excessive tightening of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leakage Install the air conditioner securely in a location whe...

Page 6: ... Disconnecting the refrigerant pipe with the service valve left open and with the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in rupturing injury etc WARNING After installation work make sure below before operation Connection pipes are connected properly and no leakage Packed va...

Page 7: ...f charging port on main unit and installation tools are different from those of the conventional refrigerant units Accordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure fittings made for R410A only so that water and or dust does not enter Required Tools Equipment and precautions for use Prepare the tool...

Page 8: ...before starting a test run to protect the compressor during startup CAUTION Incorrect installation work may result in a malfunction or complaints from customers Installation Location WARNING Install the outdoor unit in a location that can support the weight of the outdoor unit Insufficient durability may cause the outdoor unit to fall which may result in injury CAUTION Do not install the outdoor u...

Page 9: ... on the back and sides Front and top are free The height of the obstacle should be lower than that of the outdoor unit Single unit multiple row installation Top and both sides are free The height of the obstacle should be lower than that of the outdoor unit Multiple unit multiple row installation Top both sides and front are free When there are obstacles on the front and back sides Sides and top a...

Page 10: ... As shown in the figure below install the foundation and vibration proof rubber pads to directly support the bottom surface of the fixing leg that is in contact with the bottom plate of the outdoor unit When installing the foundation for an outdoor unit with downward piping consider the piping work When water is to be drained through the drain hose attach the following drain connector and waterpro...

Page 11: ...ng 5 Remove the flare nut from the service valve on outdoor unit Insert the flare nut into the field piping and flare the pipe Bend the pipe approx 90 degree with a pipe bender for side and rear piping 6 When the piping connections are complete reinstall the pipe cover Front panel Pipe cover Rear Side Bottom Tightening of Flare Connections 1 Align the centers of the flare connections and fully tig...

Page 12: ...utdoor Unit 21 EN 22 EN 6 Vacuum CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant tubes and indoor heat exchanger should be evacuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used if the procedure outlined below is f...

Page 13: ...trical control box Field wiring terminal blocks Banding band Piping knockout Front panel Conduit connection holes Front pipe cover Field wiring The dashed lines show field wiring System interconnection wire size must be AWG16 Breaker must have a capacity specified in the following table All wiring must comply with local electric codes and NEC National Electric Code or CEC Canadian Electric Code Mo...

Page 14: ...duit Fold hook Wire cover Terminal block Conduit connector Wire guide Fix with the 3 banding band 2 Remove the wire cover from back of the front pipe cover 3 Pass the wires through the conduit connection holes and attach the conduit connecters 4 Connect the wires to the terminal blocks and fix the wires to the wiring guide with the 3 included banding band Cable cover 6 Attach the wire cover and ho...

Page 15: ...ditioning system that is operated on a regular basis cleaning and maintenance of the indoor outdoor units are strongly recommended As a general rule if an indoor unit is operated for about 8 hours daily the indoor outdoor units will need to be cleaned at least once every 3 months This cleaning and maintenance should be carried out by a qualified service person Failure to clean the indoor outdoor u...

Page 16: ... LED displays Service switches Steps taken to recover the refrigerant 1 Operate the indoor unit in the fan mode 2 Check that the LED displays are placed in their initial status If not place them in the initial status 3 Hold down SW01 for at least 5 seconds and check that D804 flashes slowly Fig 1 4 Press SW01 once to set the LED displays D800 to D805 to the refrigerant recovery LED display shown b...

Page 17: ... the initial status and then repeat the setting steps How to check the existing piping settings You can check whether the existing piping settings are enabled 1 Check that the LED displays are placed in their initial status If not place them in the initial status 2 Hold down SW01 for at least 5 seconds and check that D804 flashes slowly Fig 9 3 Press SW01 four times to set the LED displays D800 to...

Page 18: ... specified Pipe diameter and thickness be sure to use new pipes for the refrigerant piping works The operating pressure of R410A is high 1 6 times that of R22 and R407C If there is a scratch or dent on the pipe or a thinner pipe is used the pressure strength may be inadequate which may cause the pipe to break in the worst case Pipe diameter and thickness in mm Pipe outer diameter 3 8 9 5 5 8 15 9 ...

Page 19: ...he enclosed refrigerant label adjacent to the charging and or recovering location 2 Clearly write the charged refrigerant quantity on the refrigerant label using indelible ink Then place the included transparent protective sheet over the label to prevent the writing from rubbing off 3 Prevent emission of the contained fluorinated greenhouse gas Ensure that the fluorinated greenhouse gas is never v...

Page 20: ...e of R410A is almost non existent If a conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacen...

Page 21: ...144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Tambol Bangkadi Amphur Muang Pathumthani 12000 Thailand 1131501101 1131501101 00_S01_297x210_60p_S_p70_220425 indd 59 25 4 2565 15 24 13 ...

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