Panasonic WH-SDC03E3E5 Series Скачать руководство пользователя страница 97 | Manualshive

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16.5.22 Refrigeration Cycle Abnormality (F24)

Malfunction Decision Conditions:

1  During operation of cooling and heating, compressor frequency > Frated.
2  During operation of cooling and heating, running current: 0.65 A < I < 1.65 A.
3  During operation of cooling, water inlet temperature - indoor refrigerant liquid temperature < 5°C.
4  During operation of heating, indoor refrigerant liquid temperature - water inlet temperature < 5°C.

Malfunction Caused:

1  Faulty water inlet or indoor refrigerant liquid temperature sensors.
2  2/3 way valve closed.
3  Refrigerant shortage (refrigerant leakage).
4  Clogged expansion valve or strainer.
5  Faulty outdoor unit PCB (main).
6  Poor compression of compressor.

Abnormality Judgment:

Continue 2 times in 20 minutes.

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Содержание WH-SDC03E3E5 Series

Страница 1: ...airing of refrigerant circuit WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional techni...

Страница 2: ... 58 12 17External Room Thermostat Control Optional 61 12 18Two Ways Valve Control 62 13 Protection Control 63 13 1 Protection Control for All Operations 63 13 2 Protection Control for Heating Operation 65 13 3 Protection Control for Cooling Operation 66 14 Servicing Mode 67 14 1 How to Take Out Front Plate 67 14 2 How to Take Out Side Cabinet 67 14 3 Test Run 67 14 4 Proper Pump Down Procedure 67 ...

Страница 3: ...ctrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 10 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electric shock in case equipment breakdown or insulation breakdown 11 Do not use joint cable for indoor outdoor connection cable...

Страница 4: ...y one person 4 Do not touch outdoor unit air inlet and aluminium fin It may cause injury 5 Select an installation location which is easy for maintenance 6 Pb free solder has a higher melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 3...

Страница 5: ... Expansion Valve Refrigeration Oil cm 3 FV50S 450 Refrigerant R410A kg oz 1 20 42 4 Height mm inch 622 24 1 2 Width mm inch 824 32 15 32 Dimension Depth mm inch 298 11 24 32 Net Weight kg lbs 39 86 Liquid mm inch 6 35 1 4 Pipe Diameter Gas mm inch 12 70 1 2 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 15 49 2 I D O D Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 ...

Страница 6: ...Performance Test Condition EN 14511 Outdoor Ambient C Cooling 16 43 Heating 20 35 Operation Range Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 7 5 Heating 7 5 Condition Ambient Water A35W7 A7W35 A2W35 dB A Cooling 30 Heating 30 Noise Level Power Level dB Cooling 43 Heating 43 Height mm inch 892 35 1 8 Width mm inch 502 19 3 4 Dimension Depth mm inch 353 13 2...

Страница 7: ...ulb with controlled indoor water inlet temperature of 12 C and water outlet temperature of 7 C Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 C Specification are subjected to change without prior notice for further improvement ...

Страница 8: ...n Valve Refrigeration Oil cm 3 FV50S 450 Refrigerant R410A kg oz 1 20 42 4 Height mm inch 622 24 1 2 Width mm inch 824 32 15 32 Dimension Depth mm inch 298 11 24 32 Net Weight kg lbs 39 86 Liquid mm inch 6 35 1 4 Pipe Diameter Gas mm inch 12 70 1 2 Standard Length m ft 7 23 0 Pipe Length Range m ft 3 9 8 15 49 2 I D O D Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Refrigera...

Страница 9: ...lectronic Control Item Unit Indoor Unit Performance Test Condition EN 14511 Outdoor Ambient C Cooling 16 43 Heating 20 35 Operation Range Water Outlet C Cooling 5 20 Heating 25 55 Internal Pressure Differential kPa Cooling 13 2 Heating 15 8 Condition Ambient Water A35W7 A7W35 A2W35 dB A Cooling 30 Heating 30 Noise Level Power Level dB Cooling 43 Heating 43 Height mm inch 892 35 1 8 Width mm inch 5...

Страница 10: ...ir temperature of 35 C Dry Bulb with controlled indoor water inlet temperature of 12 C and water outlet temperature of 7 C Heating capacities are based on outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb with controlled indoor water inlet temperature of 30 C and water outlet temperature of 35 C Specification are subjected to change without prior notice for furth...

Страница 11: ... leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Serviceability Improvement Breakdown Self Diagnosis function System Status Check Buttons for servicing purpose System Pumpdown Button for servicing purpose Front maintenance design for outdoor unit Operation Condition Indoor Outdoor Water outlet temperature C Ambient temperature C Maximum 20 43 COOLING Minim...

Страница 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...

Страница 13: ...13 ...

Страница 14: ...14 ...

Страница 15: ...15 4 1 2 Weekly Timer Setting ...

Страница 16: ...16 4 1 3 Setting Up the Special Functions ...

Страница 17: ...17 4 1 4 Main Components 4 2 Outdoor Unit ...

Страница 18: ...18 5 Dimensions 5 1 Indoor Unit ...

Страница 19: ...19 5 2 Outdoor Unit ...

Страница 20: ... Max Elevation m Min Piping Length m Max Piping Length m Additional Refrigerant g m WH S 03 WH U 03 ø12 7mm 1 2 ø6 35mm 1 4 7 5 3 15 20 WH S 05 WH U 05 ø12 7mm 1 2 ø6 35mm 1 4 7 5 3 15 20 If piping length is over common length additional refrigerant should be added as shown in the table ...

Страница 21: ...21 ...

Страница 22: ...22 7 Block Diagram ...

Страница 23: ...23 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Страница 24: ...24 8 2 Outdoor Unit ...

Страница 25: ...25 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Страница 26: ...26 9 2 Outdoor Unit ...

Страница 27: ...27 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Страница 28: ...28 10 1 2 Solar Printed Circuit Board Optional ...

Страница 29: ...29 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Страница 30: ...eters and the length of the said cable must not exceed 10 m Failure to do so may lead to abnormal operation to the system OUTDOOR UNIT If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed Avoid installations in areas where the ambient temperature may drop below 20 C Keep the spaces indicated by arrows from wall c...

Страница 31: ...meters and the length of the said cable must be shorter than 10 meter Failure to do so may lead to abnormal operation to the system 2 Engage the slots on the indoor unit to the hooks of installation plate Ensure the hooks are properly seated on the installation plate by moving it left and right 3 Fix the screws to the holes on the hooks of installation plate as illustrated below 11 3 3 2 Water Pip...

Страница 32: ...ter inserting flare nut located at joint portion of tube assembly onto the copper pipe In case of using long piping 2 Do not use pipe wrench to open refrigerant piping Flare nut may be broken and cause leakage Use proper spanner or ring wrench 3 Connect the piping o Align the center of piping and sufficiently tighten the flare nut with fingers o Further tighten the flare nut with torque wrench in ...

Страница 33: ...cable and cord being damaged by sharp edges the cable and cord must be passed through a bushing located at the bottom of indoor unit before being connected to the terminal block The bushing must be used and must not be removed Connecting with external device optional 1 All connections shall follow to the local national wiring standard 2 It is strongly recommended to use manufacturer recommended pa...

Страница 34: ... shall be less than 3Arms 10 Must install Solar Connection PCB optional to indoor unit when Solar Pump Station is utilized Refer Solar Connection PCB s installation instruction for detail of installation 11 Solar Three way Valve cable shall be 3 x min 0 5 mm2 double insulation layer PVC sheathed or rubber sheathed cable 12 Solar Pump Station cable shall be 2 x min 0 5 mm2 of double insulation PVC ...

Страница 35: ...he equipment s power supply 2 complies with IEC EN 61000 3 12 The equipment s power supply 2 shall be connected to a suitable supply network with the following maximum permissible system impedance Zmax 0 236Ω at the interface Please liaise with supply authority to ensure that the power supply 2 is connected only to a supply of that impedance or less ...

Страница 36: ...ø12 7mm 1 2 55 N m ø6 35mm 1 4 18 N m Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table CUTTING AND FLARING THE PIPING 1 Please cut usin...

Страница 37: ...que of 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve o Be sure to check for gas leakage CAUTION If gauge needle does not move from 0cmHg 0MPa to 76cmHg 0 1MPa in step above take the following measure If the leak stops when th...

Страница 38: ... thickness 6 mm or above 11 4 6 Disposal of Outdoor Unit Drain Water When a Drain elbow is used please ensure to follow below o the unit should be placed on a stand which is taller than 50 mm o cover the 7 holes ø20mm with Rubber cap refer to illustration below o use a tray field supply when necessary to dispose the outdoor unit drain water If the unit is used in an area where temperature falls be...

Страница 39: ... base value for temperature shifting processes These shifting processes are depending on the Air to Water Heatpump settings and the operation environment The final shifted value will be used as internal water setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Heating Operation 12 1 2 1 Thermostat control Compressor is OFF when Water Outl...

Страница 40: ...itch and fix to room side 2 Heatpump operate follow normal cooling operation 3 Backup heater DOES NOT operate during cool mode 4 Solar 3 way valve operates follow solar operation specification 5 2 ways valve control o 2 ways valve is closed Cool Mode Operation Time Chart ...

Страница 41: ...ature 0 C 2 Tank temperature THERMO OFF TEMP for continuous 10 seconds after heat pump OFF water pump OFF THERMO ON TEMP 1 THERMO ON TEMP Water set temperature 2 C When detect tank temperature THERMO ON TEMP water pump ON for 3 minutes then heat pump ON ii Case 2 Heatpump THERMO OFF TEMP 1 Heat pump THERMO OFF TEMP 55 C 2 C 2 Water outlet temperature Heat pump THERMO OFF TEMP for continuous 3 minu...

Страница 42: ...Booster heater turn ON condition 1 During startup time initialization Booster heater turn ON after DELAY TIMER 2 When tank temperature lower than HEATER ON TEMP 3 20 minutes from previous heater off Booster heater turn OFF condition 1 When tank temperature higher than tank set temperature for continuous 15 secs Solar 3 way valve Solar pump operates follow solar operation specification 2 way valve ...

Страница 43: ...43 ...

Страница 44: ...oom Thermo OFF AND Solar 3 ways valve OFF 2 Heat pump operation control o During External Room Thermo ON time When room thermo ON heat pump must operate to room side Heat pump operate follow normal operation at room side o During External Room Thermo OFF time Switch 3 ways valve to tank side IF Under Solar Priority Set condition o Tank temperature Tank THERMO ON TEMP AND Solar Valve OFF Under Sola...

Страница 45: ... 2 o Heat pump THERMO OFF TEMP 1 Heat pump THERMO OFF TEMP 55 C 2 C 2 Water outlet temperature Heat pump THERMO OFF TEMP for continuous 3 minutes heat pump OFF o Next THERMO ON TEMP 1 THERMO ON TEMP Water inlet when heat pump THERMO OFF 3 C 2 If water outlet temperature THERMO ON TEMP AND External Room Thermo OFF heat pump ON Case 3 o Heat pump THERMO OFF TEMP 1 Water inlet temperature 55 C for co...

Страница 46: ...operation specification Under solar priority is set condition when solar 3WV turn ON booster heater will turn OFF and 3 ways valve switch to room side Under solar priority is not set condition solar 3WV will OFF when heat pump operate to tank side o 2 way valve opens ...

Страница 47: ...emperature or 51 C whichever lower Heat pump Water Outlet set temperature is set to Maximum 55 C during tank interval Initial Tank THERMO ON TEMP heat pump tank target temperature 2 C Case 1 THERMO OFF TEMP 1 THERMO OFF TEMP Heat pump tank target temperature 0 C 2 Tank temperature THERMO OFF TEMP for continuous 10 seconds after heat pump off due to water thermo switch 3 ways valve to room side End...

Страница 48: ...eat up interval Booster heater ON OFF according to booster heater operation control o During tank heat up interval Once switch from heating heat up interval to tank heat up interval turn off the booster heater and start counting the BOOSTER HEATER DELAY TIMER Booster heater turn ON after BOOSTER HEATER DELAY TIMER fulfill and tank temperature lower than tank set temperature BOOSTER HEATER DELAY TI...

Страница 49: ...49 ...

Страница 50: ...50 ...

Страница 51: ...ump provide heating capacity to room side by hot water through heating panel floor or fan coil 1 3 ways valve control o 3 ways valve switch and fix to heating side 2 Heat pump operate follow normal heating operation 3 Backup heater operate follow normal operation 4 Solar 3 way valve operates follow solar operation specification 5 2 way valve opens 12 1 9 Water Temperature Thermo Shift Setting Swit...

Страница 52: ...es If water flow level is detected low continuously for 10 secs the water pump and compressor will be OFF permanently and OFF ON control panel LED will blink H62 error occurs When error happen the power has to be reset to clear the error If there is no error indication the water pump shall be continuously running The water pump will remain ON when compressor OFF due to thermostat OFF setting is re...

Страница 53: ...the pump down operation 12 4 Flow Switch 12 4 1 Flow Switch Control 1 The water flow switch serve as an overload protector that shuts down the unit when the water level is detected to be low 2 Detection is Lo 0 V when there is no water flow and detection is Hi 5 V when there is water flow 12 5 Force Heater Mode Operation The backup heater also serves as backup in case of malfunctioning of the outd...

Страница 54: ...he water inlet temperature exceeds 80 C for continuously 10 seconds the water pump will be OFF immediately 3 After water pump OFF for more than 10 minutes it will be ON back and the indoor unit safety control checking is restarted 12 7 Auto Restart Control 1 When the power supply is cut off during the operation of Air to Water Heatpump the compressor will re operate after power supply resumes 12 8...

Страница 55: ...ce Heater Mode o Heater On condition a After water pump operate 9 mins b When water outlet temperature water set temperature 8 C c 20 minutes since previous Backup heater Off o Heater Stop condition a Force mode off OR b When water outlet temperature water set temperature 2 C for continuous 15 secs Do not operate heater at the following situation 1 Water outlet temperature sensor and water inlet s...

Страница 56: ...N Base pan heater will continue ON for 10 minutes after deice operation ends Base pan heater OFF condition 1 When outdoor ambient temperature 3 C OR 2 When operation is not heating OR 3 Base pan heater ON timer count completed 12 12 Three Way Valve Control Purpose 3 ways valve is used to change flow direction of hot water from heatpump between heating side and tank side Control contents 1 3 ways v...

Страница 57: ...eration by reduces outdoor unit noise Starting condition 1 When quiet button is presses 2 When quiet request ON time by weekly timer Refer to control panel When any of above mentioned condition is achieved this control is activated New target FM speed Present target FM speed 80 rpm Minimum target FM speed 200 rpm Cancellation condition 1 Cancel by press quiet button 2 Stop by OFF ON button 3 When ...

Страница 58: ... the Solar pump 3 Way Valve is requested ON Refer to figure below 12 16 2 Solar Operation Control When solar priority is SET 1 Operation condition a 3 way valve operates if all of the following conditions are fulfilled Power On regardless operation ON or OFF There is operation request from solar pump station Tank hot water temp is below solar on upper limit temp 72 C 2 Stop condition a 3 way valve...

Страница 59: ...rating when No power supply to unit OR There is NO operation request from solar pump station OR Tank hot water temp is above solar off upper limit temp 80 C Heat pump thermo ON and operate to tank side during operation ON and tank mode selected ...

Страница 60: ...60 ...

Страница 61: ...uit OFF Short Circuit ON Set Temp Actual Temp Short Circuit ON Open Circuit OFF Wire Connection and thermo characteristic of Siemen RAA20 Setting L Y1 H Heat Thermo L Y2 C Cool Thermo Set Temp Actual Temp Open Circuit OFF Short Circuit ON Set Temp Actual Temp Short Circuit ON Open Circuit OFF Control Content External room thermostat control activate only when remote thermostat connection select YE...

Страница 62: ...ing panel Control contents 1 When indoor running in heat mode OPEN the 2 ways valve 2 When indoor running in cool mode CLOSE the 2 ways valve 3 Stop condition a During stop mode fix 2 ways valve in close condition During pump down mode fix 2 ways valve in close condition During force mode open 2 ways valve Recommended Parts SFA 21 18 Siemens ...

Страница 63: ...ror occurs UD03EE5 UD05EE5 Operation Mode X A Y A X A Y A Heating 10 0 14 8 11 0 14 8 Cooling 5 9 14 8 7 4 14 8 A DC Peak Current Control 1 When the current to IPM exceeds set value of 21 1 A 0 9 A compressor will stop Compressor will restart after three minutes 2 If the set value exceeds again for more than 30 seconds after the compressor restarts operation will restart after two minutes 3 If the...

Страница 64: ...er compressor on for 5 minutes Detection conditions When abnormal high voltage detection 5 V or when open circuit detection 0V for 5 seconds continuously After detection When abnormality is detected continue 5 seconds unit stop operation OFF ON control panel LED will blink H64 error occurs 13 1 8 Outside Temperature Current Control 13 1 9 Crank Case Heater Control Purpose For compressor protection...

Страница 65: ...re Control The maximum current value is regulated when the outdoor air temperature rises above 14 C in order to avoid compressor overloading 13 2 2 Deice Operation When outdoor pipe temperature and outdoor air temperature is low deice operation start where outdoor fan motor stop ...

Страница 66: ...n 1 minute after the compressor starts Compressor frequency will adjust base on outdoor air temperature 13 3 2 Freeze Prevention Control 1 1 When indoor heat exchanger temperature is lower than 0 C continuously for 10 seconds compressor will stop operating 2 Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 1 C 3 Indoor heat exchanger freeze preventi...

Страница 67: ...e side cabinet by holding both of the handles 14 3 Test Run 1 Fill up the boiler tank with water For details refer to boiler tanks installation instruction and operation instruction 2 Set ON to the indoor unit and RCCB Then for control panel s operation please refers to air to water heatpump s operation instruction 3 For normal operation pressure gauge reading should be in between 0 05 MPa and 0 2...

Страница 68: ...nd type the water flow rate can be adjusted by turning the red knob on the water pump 14 6 Expansion Vessel Pre Pressure Checking Expansion Vessel with 10 L air capacity and initial pressure of 1 bar is installed in this indoor unit Total amount of water in system should be below 200 L Note This amount of water is not include the tank unit volume If total amount of water is over 200 L please add e...

Страница 69: ... then contact your local authorized dealer 3 Air purge valve Air purge valve must be installed at all high points in a closed water circuit system An automatic air purge valve is provided inside the indoor unit To automatically purge the air from the system turn the plug on the air outlet anticlockwise by one complete turn from fully closed position Excessive air is automatically purged if the plu...

Страница 70: ...r of step a b 7 External water filter field supply Clean the external water filter in regularly basic o External water filter is located inside the tube connector which is before water inlet connector of indoor unit indicated with WATER IN Refer to figure below o Use spanner to detach the tube connector nut o Take out the filter carefully so that not deforms it shape o Use tap water only to wash t...

Страница 71: ...no electrical problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Страница 72: ...ressure Electric current during operation Low Pressure High Pressure Electric current during operation Water leakage or insufficient water flow rate in the system Excessive amount of refrigerant Inefficient compression Insufficient refrigerant gas leakage Outdoor heat exchange deficiency Clogged expansion valve or Strainer Carry out the measurements of pressure electric current and temperature fif...

Страница 73: ...IC memory To check the error code 1 When an abnormality occurs system will stop operation and OFF ON control panel LED will blink 2 Error code of the abnormality will display on the control panel Timer display LCD 3 To determine the abnormality description the error code table needs to be referred To display past last error code 1 Turn ON power supply 2 Press and hold the CHECK button for more tha...

Страница 74: ...gh pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant Outdoor PCB H99 Indoor heat exchanger freeze prevention Indoor heat exchanger Refrigerant shortage F12 Pressure switch activate 4 times occurrence within 20 minutes Pressure switch F14 Outdoor compressor abnormal revolution 4 times occurrence within 20 minutes Outdoor compressor F15 Outdoor fan mo...

Страница 75: ...erature sensor abnormality Continue for 5 sec Water outlet temperature sensor defective or disconnected F46 Outdoor Current Transformer open circuit Insufficient refrigerant Outdoor PCB Compressor low F48 Outdoor EVA outlet temperature sensor abnormality Continue for 5 sec Outdoor EVA outlet temperature sensor defective or disconnected F49 Outdoor bypass outlet temperature sensor abnormality Conti...

Страница 76: ...ration of cooling and heating the capability rank of indoor checked by the outdoor is used to determine connection capability rank abnormality Malfunction Caused 1 Wrong model interconnected 2 Wrong indoor unit or outdoor unit PCB main used 3 Faulty indoor unit or outdoor unit PCB main Abnormality Judgment Continue for 90 seconds ...

Страница 77: ...During startup and operation of cooling and heating the temperatures detected by the compressor tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 78: ... During startup and operation of cooling and heating the temperatures detected by the indoor refrigerant liquid temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 79: ...ove 26 C is detected by the outdoor pipe temperature sensor Malfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve partially closed 4 Faulty outdoor unit fan motor 5 Refrigerant shortage refrigerant leakage 6 Clogged expansion valve or strainer 7 Faulty outdoor pipe temperature sensor 8 Faulty outdoor unit main PCB main ...

Страница 80: ...etected by the indoor water flow switch is used to determine water flow error Malfunction Caused 1 Faulty water pump 2 Water leak in system 3 Faulty connector connection 4 Faulty water flow switch 5 Faulty indoor unit PCB main Abnormality Judgment Continue for 10 seconds but no judgment for 9 minutes after compressor startup restart ...

Страница 81: ... Conditions During operation of cooling and heating when the outdoor high pressure sensor output signal is 0 Vdc or 5 Vdc Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 20 minutes ...

Страница 82: ...ndoor backup heater when no power supplies to indoor backup heater or OLP open circuit Malfunction Caused 1 Faulty power supply connector connection 2 Faulty connector connection 3 Faulty indoor backup heater overload protector OLP 4 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Страница 83: ...onditions When tank connection is set to ON the temperatures detected by the tank temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 84: ...ation Abnormality H76 Malfunction Decision Conditions During standby and operation of cooling and heating indoor control panel error occur Malfunction Caused 1 Faulty connector connection 2 Faulty control panel 3 Faulty indoor unit PCB main ...

Страница 85: ...s normal Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty indoor unit PCB main 3 Indoor outdoor signal transmission error due to wrong wiring 4 Indoor outdoor signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units 5 Indoor outdoor signal transmission error due to disturbed power supply waveform Abnormality Judgment Continue for 1 mi...

Страница 86: ...on Conditions During operation of tank booster heater and tank booster heater OLP open circuit Malfunction Caused 1 Faulty connector connection 2 Faulty tank booster heater overload protector OLP 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 60 seconds ...

Страница 87: ...tween Indoor and Outdoor H95 Malfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused 1 Insufficient power supply 2 Faulty outdoor unit PCB noise filter main ...

Страница 88: ...ssure 4 0 MPa and above is detected by outdoor high pressure sensor Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 2 3 way closed 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor 8 Faulty outdoor unit PCB main ...

Страница 89: ...door refrigerant liquid temperature 0 C Malfunction Caused 1 Faulty water pump 2 Insufficient water flow rate in system 3 Water leak in system 4 2 way valve partially closed 5 Clogged expansion valve or strainer 6 Refrigerant shortage refrigerant leakage 7 Faulty indoor refrigerant liquid temperature sensor 8 Faulty indoor unit PCB main ...

Страница 90: ...lfunction Caused 1 Dust accumulation on the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 Faulty water pump 4 Insufficient water flow rate in system 5 Water leak in system 6 2 3 way valve closed 7 Clogged expansion valve or strainer 8 Excessive refrigerant 9 Faulty outdoor high pressure sensor and switch 10 Faulty outdoor unit PCB Abnormality Judgment Continue 4 times in 20 min...

Страница 91: ...compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused 1 Compressor terminal disconnect 2 Faulty outdoor unit PCB main 3 Faulty compressor Abnormality Judgment Continue 4 times in 20 minutes ...

Страница 92: ...fan motor feedback of rotation 2550 rpm or 50 rpm Malfunction Caused 1 Operation stop due to short circuit inside the fan motor winding 2 Operation stop due to breaking of wire inside the fan motor 3 Operation stop due to breaking of fan motor lead wires 4 Operation stop due to fan motor Hall IC malfunction 5 Operation error due to faulty outdoor unit PCB Abnormality Judgment Continue 2 times in 3...

Страница 93: ...tions During operation of cooling and heating when outdoor current above 27 9 A is detected by the current transformer CT in the outdoor unit PCB Malfunction Caused 1 Excessive refrigerant 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 20 minutes ...

Страница 94: ...ve 112 C is detected by the compressor tank temperature sensor Malfunction Caused 1 Faulty compressor tank temperature sensor 2 2 3 way valve closed 3 Refrigerant shortage refrigerant leakage 4 Clogged expansion valve or strainer 5 Faulty outdoor unit PCB main 6 Faulty compressor Abnormality Judgment Continue 4 times in 30 minutes ...

Страница 95: ...onditions During operation of cooling and heating when temperature 95 C is detected by the outdoor IPM temperature sensor Malfunction Caused 1 Faulty outdoor unit fan motor 2 Faulty outdoor unit PCB main Abnormality Judgment Continue 3 times in 30 minutes ...

Страница 96: ...f cooling and heating when outdoor DC current is above 40 1 5 0 A for UD07 09CE OR 44 7 5 0 A for UD12 16CE is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB main Malfunction Caused 1 Faulty outdoor unit PCB main 2 Faulty compressor Abnormality Judgment Continue for 7 times ...

Страница 97: ...let temperature indoor refrigerant liquid temperature 5 C 4 During operation of heating indoor refrigerant liquid temperature water inlet temperature 5 C Malfunction Caused 1 Faulty water inlet or indoor refrigerant liquid temperature sensors 2 2 3 way valve closed 3 Refrigerant shortage refrigerant leakage 4 Clogged expansion valve or strainer 5 Faulty outdoor unit PCB main 6 Poor compression of ...

Страница 98: ...temperature of thermostat ON indoor unit 0 C 2 During cooling operation when the indoor pipe temperature of thermostat ON indoor unit 45 C Malfunction Caused 1 Faulty sensor 2 Faulty connector connection 3 Faulty outdoor unit PCB noise filter main 4 Faulty four way valve Abnormality Judgment Continue 4 times in 30 minutes ...

Страница 99: ...l F27 Malfunction Decision Conditions During compressor stop and outdoor high pressure switch is remain opened Malfunction Caused 1 Faulty connector connection 2 Faulty switch 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 1 minute ...

Страница 100: ... During startup and operation of cooling and 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 outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 101: ...s During startup and operation of cooling and heating the temperatures detected by the indoor water inlet temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 102: ... During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 103: ...ng operation of cooling and heating when the PFC protection circuitry in the outdoor unit PCB main senses abnormal high DC voltage level Malfunction Caused 1 Power supply surge 2 Compressor windings not uniform 3 Faulty outdoor unit PCB main Abnormality Judgment Continue 4 times in 10 minutes ...

Страница 104: ... During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 105: ... During startup and operation of cooling and heating the temperatures detected by the outdoor defrost temperature sensor are used to determine sensor error Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty outdoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 106: ... During startup and operation of cooling and heating the temperatures detected by the indoor water outlet temperature sensor are used to determine sensor errors Malfunction Caused 1 Faulty connector connection 2 Faulty sensor 3 Faulty indoor unit PCB main Abnormality Judgment Continue for 5 seconds ...

Страница 107: ...r CT open circuit is detected by checking the compressor running frequency rated frequency and CT detected input current 0 65 A for continuously 20 seconds Malfunction Caused 1 CT defective 2 Faulty outdoor unit PCB main 3 Compressor defective low compression Abnormality Judgment Continue 3 times in 20 minutes ...

Страница 108: ... above is detected by outdoor high pressure sensor Malfunction Caused 1 Dust accumulation in the outdoor unit heat exchanger 2 Air short circuit at outdoor unit 3 2 way valve closed 4 Faulty outdoor unit fan motor 5 Clogged expansion valve or strainer 6 Excessive refrigerant 7 Faulty outdoor high pressure sensor 8 Faulty outdoor unit PCB main ...

Страница 109: ...w for take out front plate Before removing the front plate of indoor unit always switch off all power supply i e indoor unit power supply heater power supply and boiler tank power supply 1 Remove the 2 mounting screws which located at bottom of the front plate and 1 mounting screw at the front of the plate 2 Gently pull the lower section of the front plate towards you to remove the front plate fro...

Страница 110: ...110 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...

Страница 111: ...111 17 5 To Remove RCCB 17 6 To Remove Transformer and Electronic Controller Board ...

Страница 112: ...112 17 7 To Remove Pressure Relief Valve Flow Switch Water Pump and Bottle Complete When reinstall the water pipe use grease or water at the joining ...

Страница 113: ...113 When reinstall the water pipe use grease or water at the joining When reinstall the water pipe use grease or water at the joining ...

Страница 114: ...temperature 7 C DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m 3 000 3 100 3 200 3 300 3 400 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 Outdoor Air Temperature C Capacity kW 0 400 0 600 0 800 1 000 1 200 1 400 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 Outdoor Air Temperature C Input Power kW ...

Страница 115: ...ndoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m 2 400 2 600 2 800 3 000 3 200 3 400 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C Capacity kW 0 400 0 600 0 800 1 000 1 200 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C Input Power kW ...

Страница 116: ... DBT 6 C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m 3 000 3 100 3 200 3 300 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Capacity kW 0 620 0 630 0 640 0 650 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Input Power kW ...

Страница 117: ... C DBT C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m 3 000 3 100 3 200 3 300 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Capacity kW 0 990 1 010 1 030 1 050 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Input Power kW ...

Страница 118: ...oor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m 4 100 4 300 4 500 4 700 4 900 5 100 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 Outdoor Air Temperature C Capacity kW 0 800 1 000 1 200 1 400 1 600 1 800 2 000 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 Outdoor Air Temperature C Input Power kW ...

Страница 119: ...ndoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m 3 300 3 800 4 300 4 800 5 300 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C Capacity kW 0 800 1 000 1 200 1 400 1 600 1 800 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C Input Power kW ...

Страница 120: ... C WBT Indoor water inlet temperature 30 C Indoor water outlet temperature 35 C Piping length 7 m 4 700 4 800 4 900 5 000 5 100 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Capacity kW 1 050 1 060 1 070 1 080 1 090 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Input Power kW ...

Страница 121: ... C WBT Indoor water inlet temperature 12 C Indoor water outlet temperature 7 C Piping length 7 m 4 200 4 300 4 400 4 500 4 600 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Capacity kW 1 600 1 620 1 640 1 660 1 680 3 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Air Temperature C Input Power kW ...

Страница 122: ...nput Power Capacity Input Power Capacity Input Power Capacity Input Power 15 4200 1750 4200 1940 3800 1960 3400 1980 3200 2050 3000 2120 7 4200 1460 4200 1620 4000 1720 3800 1820 3700 1950 3550 2080 2 4200 1220 4200 1350 4200 1500 4200 1650 4150 1860 4100 2070 7 5000 970 5000 1080 5000 1280 5000 1480 5000 1680 5000 1890 16 5000 830 5000 920 5000 1150 5000 1380 5000 1530 5000 1680 25 5000 740 5000 ...

Страница 123: ...123 18 4 Hydraulic Pump Performance ...

Страница 124: ...9 Exploded View and Replacement Parts List 19 1 Indoor Unit 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 125: ... ASS Y 1 CWA28K1217 O 22 TERMINAL BOARD ASS Y 1 CWA28K1232 O 25 TERMINAL BOARD ASS Y 1 CWA28K1229 O 26 TERMINAL BOARD ASS Y 1 CWA28K1230 O 27 ELECTRO MAGNETIC SWITCH 1 K6C1AYY00004 O 28 TERMINAL BOARD ASS Y 1 CWA28K1231 O 29 RESIDUAL CURRENT CIRCUIT BREAKER 2 K5KYYAY00003 O 30 TRANSFORMER COMPLETE 1 CWA40C1096 O 31 SENSOR COMPLETE 1 CWA50C2762 O 32 REMOTE CONTROL COMPLETE 1 CWA75C4018 O 33 PRESSUR...

Страница 126: ...126 19 2 Outdoor Unit 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 127: ...SOUND PROOF MATERIAL 1 CWG302788 24 SENSOR COMPLETE 1 CWA50C2894 O 25 SENSOR COMPLETE 1 CWA50C2656 O 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C7007R CWA73C7008R O 27 TERMINAL BOARD ASS Y 1 CWA28K1036J O 28 CABINET SIDE PLATE CO 1 CWE04C1411 29 SENSOR COMPLETE 1 CWA50C2893 O 30 CABINET SIDE PLATE L 1 CWE041579A 31 CABINET FRONT PLATE CO 1 CWE06C1441 32 CABINET TOP PLATE 1 CWE031148A 33 PLATE C B COVER ...

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