Toshiba RAS-3M26U2AVG-E, Installation Manual

Page 1: ... RAS 4M27U2AVG E RAS 5M34U2AVG E NOTE Descriptions about operations for the E unit in this manual are not applicable to RAS 4M27U2AVG E Descriptions about operations for the D unit and the E unit in this manual are not applicable to RAS 3M26U2AVG E Installation Manual Outdoor Unit English R32 ...

Page 2: ...ork 13 8 Grounding 14 9 Test run 14 10 Appendix 16 IMPORTANT NOTICE For details on how to install the indoor units refer to the installation manual accompanying the indoor units 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 to the Installation Manual at...

Page 3: ...AL before operation Further information is available in the OWNER S MANUAL INSTALLATION MANUAL and the like Be sure to follow the precautions provided here to avoid safety risks The symbols and their meanings are shown below DANGER It indicates that incorrect use of this unit can result in a high possibility of severe injury 1 or death WARNING It indicates that incorrect use of this unit may cause...

Page 4: ... SIZE TOOLS ARE ALSO REQUIRED FOR CONNECTING PIPES USE NEW AND CLEAN PIPING MATERIALS WITH HIGH PRESSURE WITHSTAND CAPABILITIES DESIGNED FOR R32 ONLY AND ENSURE THAT WATER OR DUST DOES NOT ENTER MOREOVER DO NOT USE ANY EXISTING PIPING AS ITS PRESSURE WITHSTAND MAY BE INSUFFICIENT AND MAY CONTAIN IMPURITIES DANGER THE MANUFACTURER SHALL NOT ASSUME ANY LIABILITY FOR THE DAMAGE CAUSED BY NOT OBSERVIN...

Page 5: ...orinated greenhouse gases Do not vent gases to the atmosphere The appliance shall be stored in a room without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater Do not pierce or burn refrigerant cycle parts Do not use means to accelerate the defrosting process or to clean other than those recommended by the manufacturer Be awa...

Page 6: ...e to do so may cause the unit to fall water leakage fire or electrical shock After the installation work ensure that there is no leakage of refrigerant gas If the refrigerant gas leaks out of the pipe into the room and is heated by fire or something else from a fan heater stove or gas range it causes generation of poisonous gas Make sure the equipment is properly earthed Do not connect the earth w...

Page 7: ...t in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possible damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise and discharged air might disturb neighbours This appliance must be connected to the main power su...

Page 8: ...or if the installation is not accepted by the supplier the service agency will take adequate countermeasures 7 Important information regarding the refrigerant used This product contains fluorinated greenhouse gases Do not vent gases into the atmosphere Refrigerant type R32 GWP 1 value 675 ex R32 ref AR4 1 GWP global warming potential The refrigerant quantity is indicated on the unit name plate Thi...

Page 9: ...he combination of the indoor units which are operated The information in this specifications table applies for the combinations with the catalogue For operation read the owner s manual packed with the indoor unit Equipment complying with IEC 61000 3 12 1 If the air conditioner is used in conditions other than the above the safety protection functions may be activated Example of indoor unit class R...

Page 10: ...or work is difficult you can change the procedure For example by making adjustments to the wiring and piping lengths on the inside rather than the outside When using an air conditioner under low outside temperature conditions Outside temp 5 C or lower In COOL mode prepare a duct or wind shield so that it is not affected by the wind Necessary Space for Installation If you need to install the outdoo...

Page 11: ...KEEP IMPORTANT 6 POINTS FOR PIPING WORK 1 Take away dust and moisture inside of the connecting pipes 2 Tighten the connections between pipes and unit 3 Evacuate the air in the connecting pipes using a VACUUM PUMP 4 Check gas leak connected points 5 Be sure to fully open the packed valves before operation 6 Reusable mechanical connectors and flared joints are not allowed indoors When mechanical con...

Page 12: ...cale with a precision of at least 10 g per index line when adding the refrigerant Do not use bathroom scales or similar instruments Use liquid refrigerant when refilling Since the refrigerant is in liquid form it can fill up quickly Therefore add the refrigerant gradually 7 Insulation of the Refrigerant Pipes Insulate the refrigerant pipes for liquid and gas separately Underground piping 10t Layin...

Page 13: ...ime Then D805 light is flashing 5 times sec D800 D801 D802 D803 D804 D805 6 Hold down SW802 for at least 5 seconds Then outdoor unit start cooling mode The display is kept during the refrigerants collection operation D800 D801 D802 D803 D804 D805 7 Close the valve stem of the service valve at the liquid end 8 Make sure that the compound pressure gauge reading is 101 kPa 76 cmHg 9 Close the valve s...

Page 14: ...les and has a contact separation of at least 3 mm must be incorporated into the fixed wiring 7 Wire Connection The dash lines show on site wiring 2 L N 3 1 2 3 2 L N 3 2 3 For indoor unit RAS M series For indoor unit RAS B series Main circuit Main circuit Input power Input power System interconnection wires System interconnection wires Leakage breaker Leakage breaker Remote controller Remote contr...

Page 15: ...ty In the initial LED display status D805 is lighted as below ON OFF Rapid Flashing 5 times sec Slow Flashing 1 time sec D800 D801 D802 D803 D804 D805 Start running all the indoor units connected to the outdoor unit in the cooling mode The indoor unit in the room that doesn t operate the cooling mode cannot be checked 3 After 5 minutes hold down SW801 for at least 5 seconds and check that D800 is ...

Page 16: ...ummer start running in the cooling mode first to decrease the temperature of the room then run in the heating mode Heating mode Set the temperature to 30 C If you perform the test run in winter start running in the heating mode first to increase the temperature of the room then run in the cooling mode Cooling mode Set the temperature to 17 C 2 For the test run be sure to satisfy the following cond...

Page 17: ...al dust or other wear residue or mixture of foreign matter is observed trouble will occur 8 When temporary installation and removal of the air conditioner are repeated such as when leased etc 9 If the type of refrigerator oil of the existing air conditioner is other than the following oil Mineral oil Suniso Freol S MS Synthetic oil alkyl benzene HAB Barrel freeze ester series PVE only of ether ser...

Page 18: ...144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Tambol Bangkadi Amphur Muang Pathumthani 12000 Thailand 1116791098 ...