Tools, Recharging of Refrigerant, 39 | Toshiba RAV-SM1403DT-A

6-3. Tools

6-3. Tools

6-3-1. Required Tools

Refer to the “4. Tools” (Page 8)

6-4. Recharging of Refrigerant

When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps.

Recover the refrigerant, and check no refrigerant remains in the equipment.

Connect the charge hose to packed valve service port at the outdoor unit’s gas side.

Connect the charge hose of the vacuum pump adapter.

Open fully both packed valves at liquid and gas sides.

Place the handle of the gauge manifold Low in the fully opened position, and turn on the vacuum pump’s power switch. Then, evacuating the refrigerant in the cycle.

When the compound gauge’s pointer has indicated –0.1 Mpa (–76 cmHg), place the handle Low in the fully closed position, and turn off the vacuum pump’s power switch.

Keep the status as it is for 1 to 2 minutes, and ensure that the compound gauge’s pointer does not return.

Set the refrigerant cylinder to the electronic balance, connect the connecting hose to the cylinder and the connecting port of the electronic balance, and charge liquid refrigerant.

(For refrigerant charging, see the figure below.)

1)Never charge refrigerant exceeding the specified amount.

2)If the specified amount of refrigerant cannot be charged, charge refrigerant bit by bit in COOL mode.

3)Do not carry out additional charging.

When additional charging is carried out if refrigerant leaks, the refrigerant composition changes in the refrigeration cycle, that is characteristics of the air conditioner changes, refrigerant exceeding the specified amount is charged, and working pressure in the refrigeration cycle becomes abnormally high pressure, and may cause a rupture or personal injury.

(INDOOR unit)

(Liquid side)

(OUTDOOR unit)

Opened

(Gas side)

Refrigerant cylinder (With siphon pipe)

Check valve

Closed

Open/Close valve

for charging

Service port

Electronic balance for refrigerant charging

Fig. 6-4-1 Configuration of refrigerant charging

– 39 –

Image 39

Toshiba RAV-SM1403DT-A Recharging of Refrigerant, Required Tools, 39, 4-1Configuration of refrigerant charging

Contents

SERVICE MANUAL OUTDOOR UNIT <DIGITAL INVERTER>INDOOR UNIT <DIGITAL INVERTER> FILE NO. A07-009 WIRING DIAGRAM CONTENTSSAFETY CAUTION SPECIFICATIONS 7. INDOOR CONTROL CIRCUIT 6. REFRIGERANT R410A Confirmation of warning label on the main unit DANGERExplanation of indications Explanation of illustrated marks – 5 – – 6 – 3.Pipe Materials 1. Safety Caution Concerned to New Refrigerant2.Cautions on Installation/Service • New Refrigerant R410A General tools Conventional tools can be used 4.Tools 1-1-1.High Static Duct Type <Single type> 1. SPECIFICATIONS1-1.Indoor Unit – 9 – Outdoor unit – 10 –Indoor unit SM1604UT-E <Twin type> – 12 – <Tripletype> 1-1-3.Concealed Duct Type <Twin type> – 13 – type> <Triple 1-1-4.Under Ceiling Type <Twin type> – 15 – – 16 – <Tripletype> 1-1-5.High Wall Type Twin type – 18 – <Tripletype> 1-1-6.Compact 4-wayCassette 600 × 600 Type Tripletype type> 1-1-7.Slim Duct Type– 20 – <Triple 1-2.Outdoor Unit – 21 –RAV-SM1603ATZZG-E RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 1-3.Operation Characteristic Curve• Operation characteristic curve – 22 – – 23 – 2. CONSTRUCTION VIEWS EXTERNAL VIEWS2-1.Indoor Unit Service work space Outdoor Unit SM1603ATZ-ESM1603AT-E,RAV RBC-TWP30E2, RBC-TWP50E2Simultaneous Twin – 25 – Liquid side socket <Gas side>RBC-TRP100ESimultaneous Triple Gas side socket Capillary tube specifications 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM3-1.Indoor Unit Dimension table •Single type RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E Systematic Diagram of Refrigerating Cycle3-2.Outdoor Unit – 29 – RAV-SM1403DT-A, RAV-SM1603DT-A 4. WIRING DIAGRAM4-1.Indoor Unit – 30 – – 31 – • Single type• Twin type • Triple type 4-2.Outdoor Unit – 32 –RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E – 33 – 4-3.Fan CharacteristicsREQUIREMENT nWire connection change of fan motor – 34 – 5. SPECIFICATIONS OF ELECTRICAL PARTS5-1.Indoor Unit 5-2.Outdoor Unit 6-2-1.Piping Materials and Joints Used 6-1.Safety During Installation/Servicing6-2.Refrigerant Piping Installation 6. REFRIGERANT R410A Thickness mm 6-2-2.Processing of Piping Materials– 36 – Table 6-2-1Thicknesses of annealed copper pipes Table Fig. 6-2-1Flare processing dimensionsFlare and flare nut dimensions for R410A Flare and flare nut dimensions for R22 Tightening torque – 38 –Nominal Outer diameter 6-3-1.Required Tools 6-3.Tools6-4.Recharging of Refrigerant Fig. 6-4-1Configuration of refrigerant charging 1.Silver brazing filler 6-5.Brazing of Pipes6-5-2.Flux 1.Reason why flux is necessary 6-5-1.Materials for Brazing 1.Brazing method to prevent oxidation 2.Characteristics required for flux3.Types of flux 6-5-3.Brazing 6-6-4.Curing of Pipes 6-6.Instructions for Re-usePiping of R22 or R407CPage RAV-SP1404AT-E, RAV-SP1404ATZ-E, RAV-SP1404ATZG-E Cautions for using existing pipe6-6-6.Handling of Existing Pipe – 44 – DANGER 6-6-7.Recovery Method of RefrigerantProcedure Procedure Outdoor unit 6-7.Tolerance of Pipe Length and Pipe Headn Twin system Indoor unit A Indoor unit B Indoor unit C n Triple system– 47 – Indoor unit A Indoor unit A Indoor unit B 6-8.Additional Refrigerant AmountnTwin system – 48 – Indoor unit C nTriple system– 49 – Indoor unit A – 50 – 6-9.Piping Materials and SizesnTwin system nTriple system 6-11.Distributor OKOKNO GOOG 6-10.Branch Pipe – 52 – 7-1.Indoor Controller Block Diagram7-1-1.Connection of Main Sub Remote Controller 7. INDOOR CONTROL CIRCUIT Item 7-2.Control SpecificationsOutline of specifications – 53 – Remarks Outline of specifications– 54 – Item Remarks Outline of specifications– 55 – Item Remarks Outline of specificationsK 2 J – 56 – Item Outline of specificationsSetup at shipment – 57 – Outline of specifications – 58 –Item ∗This option is not provided to oversea models – 59 – RAV-SM1403DT-A, RAV-SM1603DT-A 7-4.Indoor Print Circuit Board– 60 – <MCC-1403> 7-5.Outdoor Print Circuit Board Noise filter P.C. board <MCC-1551> – 62 – <MCC-1531> – 63 – 1.Pulse Motor Valve PMV control 8-1.Outdoor ControlsREQUIREMENT 8-1-1.Outline of Main Controls Allocations of fan tap revolutions rpm 4. Outdoor fan controlOperation with WE – 65 – In trouble of TO sensor REQUIREMENT5.Coil heating control – 66 – 9.Current release value shift control 6.Short intermittent operation preventive control7.High pressure restraint TE control 8.Over-currentprotective control Start of heating operation 10. Defrost control 2. Troubleshooting procedure 9. INDOOR UNIT TROUBLESHOOTING9-1.Summary of Troubleshooting 1. Before troubleshooting 9-2-1.Check Code List Indoor 9-2.Troubleshooting – 71 – Error mode detected by indoor unit – 72 – E09 error Check code E01 error E04 error E10 error– 74 – – 75 – E18 errorE08, L03, L07, L08 error L09 error – 76 – L20 errorL30 error P30 error Central controller P10 error F10 error– 77 – P19 error Exchange to cooling cycleExchange to heating cycle F02 error F01 error– 79 – – 80 – C06 error TCC-LINKcentral controller – 81 – E03 error Master indoor unitF29 error P31 error Follower indoor unit TA, TC, TCJ, TE, TS, TO sensors Temperature sensorTA, TC, TCJ, TE, TS, TO sensors TD, TL sensors 2. Troubleshooting procedure 10. OUTDOOR UNIT TROUBLESHOOTING10-1.Summary of Troubleshooting 1. Before troubleshooting – 84 – 2.Troubleshooting procedure1. Before troubleshooting <Wireless remote controller type> 10-2.Troubleshooting 10-2-1.Outline of Judgment– 85 – Lamp indication Check codeCause of trouble occurrence 10-2-2.Others Other than Check Code New Check Code<Display on wired remote controller> <Display on wireless sensor> – 88 – 10-2-3.Check Code List Outdoor – 89 – – 90 – Error mode detected by indoor unit Cause of operation Operation. of diagnostic function– 91 – Judgment and measures – 92 – Error mode detected by outdoor unit – 93 – Page Check code E01 error E09 error– 95 – – 96 – E04 error – 97 – E10 errorE18 error E08, L03, L07, L08 error – 98 – L09 errorL20 error L30 error P01 error b7 error Central controller P10 error F10 error– 100 – – 101 – P12 error RAV-SM160AT-E P22 errorCN301, ∗ CN303 CN300 – 102 – P19 error F02 error103 F01 error P26 error– 104 – 105 P29 errorF06 error P04 error – 106 – F08 errorL29 error H02 error P03 error H01 error– 107 – – 108 – P04 error – 109 – 97 error Central controller – 110 – E03 error Master indoor unitF29 error / 12 error P31 error Sub indoor unit Caracteristics-1 – 111 –TA sensor TC, TCJ sensorPage 1 Setting data read out from EEPROM – 113 –CODE No. required at least Step 3 Writing the setting data to EEPROM3 6 5 – 114 – Table 3. Indoor unit capacity: CODE No. 115Table Table 2. Type: CODE No. <Wired remote controller> 12. SETUP AT LOCAL SITE AND OTHERS12-1.Indoor Unit 12-1-1.Test Run Setup on Remote Controller 1.D02 Red 3 6 14 5 2 1 2 3 4 5 6 END At shipment from factory Contents118 Function selection item No. DN list Operation Setup methodWired remote controller – 119 – call the service monitor mode 2 4 1<Contents> <Procedure> 4 seconds or more to call the service check mode nCalling of error history<Contents> Procedure <By indoor unit nIndoor unit power-ONsequencewhich receives power feed from outdoor unit> <Automatic address judgment> 1. Function 12-2.Setup at Local Site / Others2. Microprocessor block diagram 3. TCC-LINKwiring connection 4. Wiring specifications 5. P.C. board switch SW01 setup– 124 – 1 2 3 4 6. External view of P.C. board assembly7. Address setup 12-3.How to Set up Central Control Address Number Push UNIT LOUVER button for 4 seconds or more – 126 – 13. ADDRESS SETUP 13-1.Address Setup Procedure– 127 – <Terminology> 13-2.Address Setup & Group Control13-2-1.System Configuration – 128 – Example – 129 – Change is necessary 2, 5, 3, 6, 9 41 2 3 4 5 6 7 8 9 10 11 END <Procedure> 1 2 END1 2 3 END nConfirmation of indoor unit No. position Work procedure 2. How to replace the parts14. DETACHMENTS 14-1.Indoor Unit REQUIREMENT Explanatory drawing 2. How to replace the parts ContinuedWork procedure – 134 – 2. How to replace the parts Continued Work procedure– 135 – – 136 – 4. How to replace the partsWork procedure REQUIREMENT Explanatory drawing 4. How to replace the parts ContinuedWork procedure – 137 – – 138 – 5.Assembling work after replacing fan motor4. How to replace the parts Continued Work procedure 6. How to replace the sensor Work procedure– 139 – Work procedure 6. How to replace the sensor Continued7. How to clean the drain port Work procedure XREQUIREMENTX 14-2.Outdoor Unit– 141 – XREQUIREMENTX CDB board Procedure– 142 – Part name – 143 – 144 – 145 – XCAUTIONXXREQUIREMENTX XREQUIREMENTX – 146 – X CAUTIONX – 147 –XWARNINGX X CAUTIONX 4. Refrigerant charge – 148 –2. Mounting of compressor 3. Vacuuming 1. Detachment 149XREQUIREMENTX XREQUIREMENTX – 150 – 15. EXPLODED VIEWS AND PARTS LIST15-1 Indoor Unit Description 151Location Part No Part No – 152 –RAV-SM1403DT-A, RAV-SM1603DT-A Location 15-2.Outdoor Unit Model Name 154Location Description 716, Check of Concentration Limit WARNINGS ON REFRIGERANT LEAKAGE TOSHIBA CARRIER CORPORATION