Panasonic WH-TX30B9E8 Скачать руководство пользователя страница 33 | Manualshive

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33

14.2.4.

Pump 2 Water Return Temperature Sensor Abnormality (H50)

Malfunction Decision Conditions:

During startup and operation of heating, the temperatures detected by the pump 2 water return temperature sensor are used to
determine sensor error.

Malfunction Caused:

1. Faulty connector connection.
2. Faulty sensor.
3. Faulty water tank unit PCB.

Abnormality Judgment:

Continue for 5 seconds.

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Содержание WH-TX30B9E8

Страница 1: ... Unit 12 9 Printed Circuit Board 13 9 1 Tank Unit 13 10 Installation Instruction 15 10 1 Select The Best Location 15 10 2 Tank Unit Installation 15 10 3 Piping Installation 16 10 4 Connecting The Power Supply Cord To The Unit 19 10 5 Charging And Discharging The Water 21 10 6 Reconfirmation 22 10 7 Test Run 22 11 Operation Control 23 11 1 Tank empty abnormality 23 11 2 Heater Output Control 23 11 ...

Страница 2: ...d Board Removal Procedures 48 15 4 Control Board Removal Procedure 49 15 5 Pressure Relief Valve Procedures 50 15 6 Flow Switch Removal Procedures 51 15 7 Water Pump Removal Procedures 51 16 Technical Data 52 16 1 Pump Characteristic 52 16 2 Water Tank Sensor Characteristic 52 17 Exploded View and Replacement Parts List 55 ...

Страница 3: ... prevent breathing 8 For electrical work follow the local national wiring standard regulation and the installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 9 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe ea...

Страница 4: ...le connection must be carried out for Tank Unit to the main power supply distribution system 5 After installation or service it is obliged to verify correct operation of the Tank Unit Check the connection points for water leakage If leakage occurs it will cause damage to other property 6 Do not install this appliance in a laundry room or other high humidity location This condition will cause rust ...

Страница 5: ...C 75 Max Tap Water Supply Temperature qC 55 Max Floor Heating Water Temperature qC 55 Water Flow Floor l min 20 Noise Heating Mode dB 35 Shower Hot Water Supply Mode dB 35 Heating and Hot Water Supply Mode dB 40 Dimension Height mm inch 1777 69 31 32 Width mm inch 600 23 5 8 Depth mm inch 664 26 5 32 Weight Net kg lb 93 205 Water Pipe Connector mm inch 19 05 3 4 Water Drain Hose Inner Diameter mm ...

Страница 6: ...o provide long lasting durability and toughness and exceptional resistance to rust Easy to use control panel Reliable Closed Circuit Tank By preventing rust and the formation of scale inside the tank and pipe this helps assure stable reliable heating for a comfortable living environment Serviceability Feature System Status Check Buttons for servicing purpose ...

Страница 7: ...7 4 Location of Controls and Components 4 1 Tank Unit 4 1 1 Location of Control ...

Страница 8: ...8 4 1 2 Main Components ...

Страница 9: ...9 5 Dimensions ...

Страница 10: ...10 6 Water Cycle Diagram ...

Страница 11: ...11 7 Wiring Connection Diagram ...

Страница 12: ...12 8 Electronic Circuit Diagram 8 1 Indoor Unit ...

Страница 13: ...13 9 Printed Circuit Board 9 1 Tank Unit 9 1 1 Main Printed Circuit Board ...

Страница 14: ...14 9 1 2 Surge Printed Circuit Board ...

Страница 15: ...ause discomfort to the user A place where Tank Unit is far from door way A place where accessible for maintenance Ensure to keep minimum distance of spaces as illustrated below from wall ceiling or other obstacles A place where flammable gas leaking might not occur 10 2 Tank Unit Installation Tank Unit will become heavy when filled with water Therefore please install the Tank Unit on strong concre...

Страница 16: ...n all tubes with tap water before installation Choose proper sealer which can withstand the pressures and temperatures of the system Make sure to use two spanners to tighten the connection Further tighten the nuts with torque wrench in specified torque as stated in the table If non brass metallic piping is used for installation make sure to insulate the pipes to prevent galvanic corrosion Do not u...

Страница 17: ...Supply Piping Installation In high water pressure or water supply is above 500kPa please install the regulator valve for water supply If the pressure higher than that it might damage the Tank Unit A Pressure Reducing Valve purchased separately with below specification is strongly advised to be installed at the cold water inlet D indicate with COLD WATER IN of Tank Unit Refer Typical piping install...

Страница 18: ...ownward direction and left open to the frost free atmosphere If drain hose is long use a metal support fixture along the way to eliminate the wavy pattern of drain tube The water may drip from this discharge hose Therefore must guide the hose without close or block the outlet of the hose Do not insert this hose into sewage hose or cleaning hose that may generate ammonia gas sulfuric gas etc If nec...

Страница 19: ...pply cable 5 x 1 5 mm2 type designation 60245 IEC 57 or heavier cord to the RCCB and connect the other end of the power supply cord to isolating device Disconnecting means Earth lead wire shall be longer than the other lead wires as shown below How to connect power supply cord for the electrical safety in case of slipping out of the cord from the Holder Clamper 2 To avoid power supply cord getting...

Страница 20: ...most suitable place such as on a wall of house facing north west or north to avoid exposure to the morning sunlight The reading of sensor might be affected by the heat radiated from direct sunlight 4 The sensor must be placed at level of about 2 3 height of the wall 5 Do not to place the sensor over the ventilation ducts doors windows or area where might be affected by other temperature instead of...

Страница 21: ...wn the level of pressure relief valve 3located on top of the Tank Unit Release The Trapped Air In Water Circuit Make sure all the piping installations are properly done Set the Water Supply Valve 9 OPEN and Water Discharge Valve qa CLOSE Turn on the heating pump by force continue press Heating for 5 seconds Open Close release valve to release air trap at the top of the tank Refer to figure Pressur...

Страница 22: ... finish install back the Overload protector qh following the reverse order of step 1 2 10 7 Test Run 1 Before test run make sure below items have been checked a Piping installation work are properly done b Electric cable connecting work are properly done c Tank Unit is filled up with water and trapped air is released including indoor unit and panel floor heater pipings d Please turn on the on the ...

Страница 23: ... than heater 2 set temperature 11 3 Pump Control 11 3 1 Shower water pump Pump1 control Shower water pump is to supply tank water to heat exchanger when hot water is in used Operation condition Shower water pump will operate when ON OFF button of remote control is ON and when sanitary water is being used Stop condition Shower water pump will stop when ON OFF button of remote control is OFF and whe...

Страница 24: ...sensor If the temperature different is less than 1qC the valve will be closed 11 4 2 Delay control at hot water supply start time At the time of a hot water supply start delay in starting the control of the flow adjust valve for the time is shown below 11 4 3 Tap water flow sensor control When flow sensor detects flow rate is more than 3 5L min the tap water supply is consider normal When flow sen...

Страница 25: ...e in between 0 05 MPa and 0 2 MPa If necessary adjust the water pump speed accordingly to obtain normal water pressure operating range If adjust water pump speed cannot solve the problem contact your local authorized dealer 12 2 How To Adjust Water Flow Rate The water flow rate can be adjusted with select the water pump speed on the water pump The default setting is high speed III Adjust it to mod...

Страница 26: ...ut the filter carefully so that not deforms it shape Use tap water only to wash the residue on the filter If necessary gently use soft brush only to clean the hard dirt After clean put it back to the original location and tighten the nut connection with torque wrench 3 Pressure relief valve Check for correction operation of pressure relief valve by turn up the level to become horizontal Refer to f...

Страница 27: ...rcuit Turn up the level to become horizontal Refer to figure Pressure relief valve The trapped air will be drained out together with water After few seconds turn down the level to stop the water drainage Repeat it until the bubbling sound disappear ...

Страница 28: ...hest 6 bit OR lowest 6 bit 9 bit detection Always Detection time 5sec recovery time 5sec Stop hot water supply operation Close flow adjust valve to full position stop hot water supply pump AD value return to the normal range TH8 hot water return TH disconnected short circuit H45 AD value is in highest 3 bit OR lowest 3 bit Always Detection time 5sec recovery time 5sec Normal operation AD value ret...

Страница 29: ...st valve abnormal H59 Step 1 normal When operate to water side with Maximum speed 250pps do the valve fully open to water side sequence for 45sec and if cannot detect water full open position shift to step 2 Step 2 Stop PUMP 1 Step 3 Do the valve fully open to water side sequence for 45sec and if still cannot detect water full open position shift to step 2 Error is detected When hot water mixing v...

Страница 30: ... Decision Conditions During startup and operation of heating the temperatures detected by the heater 2 temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 31: ...itions During startup and operation of heating the temperatures detected by the hot water supply 1 temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 32: ...itions During startup and operation of heating the temperatures detected by the pump 1 water return temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 33: ...itions During startup and operation of heating the temperatures detected by the pump 2 water return temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 34: ...nditions During startup and operation the valve origin position detected by the water tank flow adjustment valve is used to determine flow adjustment valve abnormal Malfunction Caused 1 Faulty connector connection 2 Faulty flow adjustment valve 3 Faulty water tank unit PCB ...

Страница 35: ...ter 2 ON when no power supplies to heater 2 Malfunction Caused 1 Faulty power supply connector connection 2 Faulty heater 2 overload protector OLP 3 Faulty heater 2 temperature sensor connector connection 4 Faulty heater 2 temperature sensor 5 Faulty water tank unit PCB Abnormality Judgment Continue for 10 seconds ...

Страница 36: ...itions During startup and operation of heating the temperatures detected by the heater 1 temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 37: ...l Communication Abnormality H76 Malfunction Decision Conditions During standby and operation of heating water tank control panel error occur Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB ...

Страница 38: ...itions During startup and operation of heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 39: ...Decision Conditions During operation with hot water supply ON when temperature difference of 8oC between hot water supply 1 and hot water supply 2 sub temperature sensors is detected Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB ...

Страница 40: ... 1 temperature is above 60qC and flow adjustment valve is fully close 2 During operation with hot water supply ON when hot water supply 1 temperature is above hot water setting temperature 10qC Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 30 seconds for conditions 1 and 2 ...

Страница 41: ...tions During startup and operation of heating the temperatures detected by the hot water supply 2 sub temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 42: ... heater 1 Malfunction Caused 1 Faulty power supply connector connection 2 Faulty heater 1 overload protector OLP 3 Faulty water tank top temperature sensor heater 1 temperature sensor connector connection 4 Faulty water tank top temperature sensor heater 1 temperature sensor 5 Faulty water tank unit PCB Abnormality Judgment Continue for 10 seconds ...

Страница 43: ...ion Conditions During startup when water tank top temperature increment of 6oC is detected by water tank top temperature sensor Malfunction Caused 1 Water tank no water 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment After 60 seconds startup ...

Страница 44: ...ditions During startup and operation of heating the temperatures detected by the water tank top temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 45: ...ditions During startup and operation of heating the temperatures detected by the water tank center temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty water tank unit PCB Abnormality Judgment Continue for 5 seconds ...

Страница 46: ...ille Removal Procedures High voltages are generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks ...

Страница 47: ...47 15 2 Heater Removal Procedures ...

Страница 48: ...48 15 3 Main Printed Board Removal Procedures ...

Страница 49: ...49 15 4 Control Board Removal Procedure ...

Страница 50: ...50 15 5 Pressure Relief Valve Procedures ...

Страница 51: ...51 15 6 Flow Switch Removal Procedures 15 7 Water Pump Removal Procedures ...

Страница 52: ...52 16 Technical Data 16 1 Pump Characteristic 16 2 Water Tank Sensor Characteristic ...

Страница 53: ...53 ...

Страница 54: ...54 ...

Страница 55: ...55 17 Exploded View and Replacement Parts List Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 56: ...FLOW SENSOR 1 CWA501245 O 13 VALVE BODY AIR to WATER 1 CWB621011 O 14 SHOWER WATER PUMP 1 CWB532091 O 15 SENSOR CO PUMP 12 RETURN WATER TEMP 1 CWA50C2683 O 16 DRAIN VALVE COMPLETE 1 CWB65C1014 17 VALVE BODY 1 CWB621059 18 CHECK VALVE 1 CWB031058 19 WATER FILTER COMPLETE 1 CWB51C1003 20 CABINET SIDE PLATE L 1 CWE041494A 21 CABINET SIDE PLATE R 1 CWE041495A 22 CABINET TOP PLATE 1 CWE031129A 23 ELECT...

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