Toshiba HWS-3001CSHM3-E(-UK) manuals
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Very often issues with Toshiba HWS-3001CSHM3-E(-UK) begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
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Toshiba HWS-3001CSHM3-E(-UK) Service Manual
168 pages 9.49 Mb
SERVICE MANUAL 4 1[About symbols] CAUTION WARNING [About indication]*Property damage indicates extended damage to property, furniture, livestock, or pets. DANGER DANGER After the power is turned off, the high pressure capacitor is still charged with high voltage. WARNING 6 CAUTION WARNING 7 22-1. Safety During Installation and Service 8 2-2. Installing refrigerant pipeTable 2-2 2-2-1. Steel pipe and jointCopper pipe Table 2-1 Wall thickness of copper pipe Joints 8 9 2-2-2. Processing of piping materialsFigure 2-2-2 Relationship between flare nut and flare surface Flare and precautions Table 2-2-3 Flare processing related dimension for R410A Table 2-2-4 Dimension of flare for R410A and flare nut Figure 2-2-1 Flare dimension 10 11 2-3. Tools2-3-1. Necessary toolsTools dedicated for R410A (The following tools must be for R410A) General tools (Conventional tools are available) 11 12 2-4. Recharging of refrigerantFig. 2-4-1 Configuration of refrigerant charging 13 14 2-5. Brazing of pipes2-5-1. Materials of brazingSilver brazing metal Phosphor bronze brazing metal Low temperature brazing metal 2-5-2. FluxWhy flux is necessary Characteristics of flux Type of flux Piping materials for brazing and brazing metal / flux 2-5-3. BrazingBrazing method to prevent oxidation 15 14Fig 2-5-1 Prevention of oxidation during brazing 16 318 4+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 17 Monday, October 5, 2009 2:09 PM 4-1. Hydro unit 19 4-2. Outdoor unit+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 18 Monday, October 5, 2009 2:09 PM Name Description Refrigerant piping outlet Indoor and outdoor connecting line outlet Power source intake hole 38 knockout hole Power source intake hole+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 19 Monday, October 5, 2009 2:09 PM 20 Z1 2 Description 38 knockout hole Name Refrigerant piping outlet Indoor and outdoor connecting line outlet 20 21 4-3. Hot water cylinderHWS-1501CSHM3-E(-UK) HWS-3001CSHM3-E(-UK) HWS-2101CSHM3-E(-UK) 22 5+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 21 Monday, October 5, 2009 2:09 PM 5-1. Hydro Unit*Option p.c.board Parts name *HWS-1402XWHT9-E HWS-1402XWHT6-EN L3 L L2 L1 N L2L3 N L1 Symbol P.C.board (MCC-1511)Color indentificationBLK : BLACK BRW : BROWN GRY : GRAY PNK : PINK WHI : WHITE BLU : BLUE GRN : GREEN ORN : ORANGE RED : RED YEL : YELLOW HWS-802XWHT6-E HWS-802XWHM3-E HWS-1402XWHM3-E *Parts name Symbol WARNINGPerform the grounding from the earth terminal in the terminal block of the outdoor unit. Electric shock may happen. Don't touch the electric parts. 23 5-2. Outdoor Unit2. The double-dashed line indicates a local wiring while the dashed line indicates 1. indicates a terminal plate. The number inside indicates the terminal number. Control board230V 50Hzan optional accessory or service wiring. 3. indicates a printed board. 4. For the hydro unit circuit, see the hydro unit wiring diagram. 24 5-3. Hot Water Cylinder Unit25 633 7+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 32 Monday, October 5, 2009 2:09 PM 7-1. Water System DiagramLocal hot water system THO TWO TC zone2 zone140 mesh heating Floor Fan coil unit Radiator unit Reducing valve(UK) TFI TTW TWI Hot water cylinder 34 35 7-2. Refrigeration Cycle System DiagramRefrigerant R410A ... 1.8 kg P HWS-1402XWHM3-E, 1402XWHT6-E, 1402XWHT9-E/1102H-E, 1402H-E HWS-802XWHM3-E, 802XWHT6-E/802H-EOutdoor unit Hydro unit POutdoor unit Hydro unit Refrigerant R410A ... 2.7 kg 36 865 9 No. Procedure of defect diagnosis Remark 65 66 9-1. Matters to be confirmed first9-1-1. Check the power supply voltage 9-2.9-1-2. Check for any miswiring of the connection cables between the hydro unit and the outdoor unit 9-1-3. About the installation of the temperature sensor Non-defective operation (program operation) No fault code display appears. Table 9-2-1 Non-defective operation 67 9-3. Outline of the determination diagram9-3-1. Procedure of defect diagnosis 9-3-2. How to determine from the check code on the remote control 9-3-3. How to cancel a check code on the remote controller 68 9-3-4. How to diagnose by error codeDefect mode detected by the water heat exchangeO.. . Possible .... Not possible 69 6870 69 71 70Defect mode detected by the outdoor unitO.. . Possible .... Not possible 74 73Defect mode detected by the remote control 74 75 9-4. Diagnosis flow chart for each error code9-4-1. Hydro unit failure detection[A01] Error Pump flow determination 76 75[A02] Error Temperature rise and error short circuit 77 76[A03] Error Temperature rise and error short circuit 78 77[A04] Error Freeze prevention control 79 78[A05] Error Piping freeze prevention control 80 79[A07] Error Pressure switch operation (Hot water supply/Heating operation) 81 80[A08] Error Lo pressure sensor lowering operation failure (Cooling/Defrosting operation) 82 81[A09] Error Overheat prevention thermostat failure (Hot water supply/Heating operation) 83 82[A11] Error Release protection operation 84 83[A12] Error Heating or Hot water supply heater failure 85 84[E04] Error 86 85[F03] Error TC sensor failure [F06] Error TE sensor failure [F04] Error TD sensor failure 87 86[F07] Error TL sensor failure [F10] Error TWI sensor failure [F08] Error TO sensor failure 88 87[F11] Error TWO sensor failure [F17] Error TFI sensor failure [F14] Error TTW sensor failure 89 88[F18] Error THO sensor failure [F19] Error THO sensor detach failure 90 89[F20] Error TFI detach failure [F23] Error Lo pressure sensor detach failure 91 90[F29] Error EEPROM failure [F30] Error Enhanced IC failure [L07] Error [L09] Error [L16] Error 91 92 9-4-2. Outdoor Unit Failure DetectionDiagnosis procedure for each check code 102 9-4-3. Temperature sensor, temperature-resistance characteristic tableTC, TWI, TWO, TFI, TTW, TE, TS, TO sensors TD, TL sensorsTypical value Typical valueTC, TWI, TWO, TFI, TTW, TE, TS, TO sensors TD, TL sensors 102 103 9-5. Operation check by PC board switch9-5-1. Operation check mode 104 9-6. Brief method for checking the key components9-6-1. Hydro unit2 1 No. Component name Check procedure L N 105 9-6-2. Outdoor unitNo. Component name Check procedure 1 M 105 106 10SW10 1-6. SW13 (System switching 3) Hydro unit 1. Hydro unit Setting1-1. Setting switch names and positions 1-2. SW02 (System switching 1) 1-3. SW10 (Pump switching) 1-4. SW11 (Heater Yes/No switching) 1-5. SW12 (System switching 2)SW02 Switching details Factory setting Remarks SW10 Switching details Factory setting Remarks SW11 Switching details Factory setting Remarks SW12 Switching details Factory setting Remarks SW13 Switching details Factory setting Remarks SW01 SW02 SW11 SW12 SW13 SW07 106 2. Hydro unit Function Code Setting 1 2 3 4 5 1 2 3 4 5 107 45 115 110 1, 4 2, 31, 4 3 2110 4. Auto Curve Setting 1 2 3 4 5 6 1 2 3 4 111 64 143 1111 5. Time Setting 112 12 3 4112 6. Scheduled Operation Setting 1for 4 seconds or longer. (See display ) 2 3 4 5 6 7 113 1, 6, 73,6,7 2,7 4113 7. Frost Protection Setting 1 2 3 114 2,3 1,3115 12,315 1115 9. Anti Bacteria Setting 1 2 3 4 1 2 3 4 5 116 2,4 151116 10. Hot Water Boost Setting 1 2 311. Nighttime Low-noise Setting 1 2 3 4 5 6 7 117 2,3 14, 6 14,6 7 3,117 12. Forced Defrosting Setting 118 12 3 4 513. Rated Operation Setting 1 2 3 4 5118 14. Display Function of Set Temperature and Other Settings 119 1 31for 4 seconds or longer to call the service monitor mode. 2to change the item code to one to be monitored.The following table shows the item codes. 3119 15. Failure History Calling Function 120 1 31 2 3120 Outdoor unit 16 Outdoor Unit Setting 121 12and press the push-button switch SW801 for approx. 1 second. 3 4 5approx. 1 second. The outdoor unit stops operation (cooling). 127 128 111. Hydro Unit WARNING CAUTION129 Remote controller holder Remote controllerRemote controller cable Water heat exchanger board 130 Relay boardElectric parts assemblySide board (Right) Side board (Left) 131 UpperBottom board132 Expansion vesselExpansion vessel Fixed band Air vent valve Relief valve Relief valve connecting hose Internal diameter: 15mm, Length: 850L Quick fastener 134 Flow switchWater heat inlet pipe Manometer 136 Water piping fixingRefrigerant piping fixing board Nut Electric parts box fixing Side reinforcing board (left) Water heat exchanger assembly Water heat exchanger fixing band 137 1362. Outdoor Unit 2-1. HWS-802H-E Front panel Top board Insert the back side fin guard between the top board and the heat exchanger (back side). 138 Outlet cabinetWater heat exchanger Motor base Paring board Valve fixing board Fin guard Inverter assembly Side cabinet Piping panel (back) 147 1462-2. HWS-1102H-E, 1402H-E 154 155 12For a long-term safe operation of this equipment, perform periodic inspection and parts replacement. <Inspection items>Hydro unit (HWS-802**-E, 1402**-E) Frequency Periodic inspection details Outdoor unit (HWS-802H-E, 1102H-E, 1402H-E) Frequency Periodic inspection details Hot water cylinder (HWS-150CSHM3-E(-UK), 210CSHM3-E(-UK), 300CSHM3-E(-UK)) Frequency Periodic inspection details 155 156 13Hydro Unit 159 158Outdoor Unit (HWS-802H-E) 161 160Inverter Assembly (HWS-802H-E) 163 162Outdoor Unit (HWS-1102H-E, 1402H-E) 165 164Inverter Assembly (HWS-1102H-E, 1402H-E)
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