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Roland FAVORITE ON-OFF Series, Руководство по обслуживанию

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Page 48 

 RC-T

76HN/OUT

Procedure

 

Illustra

�

on

 

1) Remove the nut securing the fan

with a spanner (see  CJ_ODU_004).

2) Remove the fan.

3) Disconnect the connectors for fan

motor. (Blue wire, red wire, brown
wire and black wire. The blue wire
and brown wire are on the capacitor.
The black wire connects with a
terminal. And the red wire is on the
borad.) (see CJ_ODU_005)

D-cut

CJ_ODU_004 

Fan Motor 

CJ_ODU_005 

Note: This sec

�

on is for reference only. Actual unit appearance may vary. 

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Содержание FAVORITE ON-OFF Series

Страница 1: ...FAVORITE Service Manual 2019 ON OFF Series...

Страница 2: ...Wiring Diagrams 3 Product Features 9 1 Opera on Modes and Func ons 4 Maintenance and Disassembly 14 1 Maintenance 2 Disassembly 5 Troubleshoo ng 57 1 Safety Cau on 2 General Troubleshoo ng 3 Error Di...

Страница 3: ......

Страница 4: ...Safety Precau ons Contents 1 In Case of Accidents or Emergency 2 2 Pre Installa on 2 3 Opera on and Maintenance 2...

Страница 5: ......

Страница 6: ...ure the power cable is secure and not damaged during opera on Do not unplug the power supply plug during opera on Do not store or use ammable materials nearthe unit Do not open the inlet grill of the...

Страница 7: ...Speci ca ons Contents 1 Model Reference 4 2 Electrical Wiring Diagrams 5 2 1 Indoor Unit 5 2 2 Outdoor Unit 7...

Страница 8: ...purchased equipment Indoor Unit Model Outdoor Unit Model Capacity Power Supply 220 240V 50Hz 1Phase Speciications FU 07HSS010 N2 IN FU 07HSS010 N2 OUT FU 09HSS010 N2 IN FU 09HSS010 N2 OUT FU 12HSS010...

Страница 9: ...m Bus Central Controller for CAC X Y E 485 Communica on Line L LIVE N NEUTRAL Heater The Electric Hea ng Belt of Indoor Unit T1 Indoor Room Temperature T2 Coil Temperature of Indoor Heat Exchanger Mid...

Страница 10: ...er To Remote Alarm To Remote Switch OPTIONAL OPTIONAL This symbol indicates the element is optional the actual shape shall prevail 2 HEATER INDOORWIRINGDIAGRAM 16022000020455 OPTIONAL 3 5 3 or 2 OPTIO...

Страница 11: ...WAY VALVE AC FAN Alterna ng Current FAN DC FAN Direct Current FAN CT1 AC Current Detector COMP Compressor L PRO Low Pressure Switch H PRO High Pressure Switch FU 07HSS010 N2 IN FU 09HSS010 N2 IN FU 12...

Страница 12: ...Page 7 FU 24HSS010 N2 IN 1 3 2 4 Y G A1 A2 Y G 1 Symbol 2 indicates compressor internal or external components Speciications...

Страница 13: ...igital Display 10 1 4 Fan Mode 11 1 5 Cooling Mode 11 1 6 Hea ng Mode 11 1 7 Auto mode 11 1 8 Drying Mode 12 1 9 Forced Opera on Func on 12 1 10 Auto Restart Func on 12 1 11 Refrigerant Leakage Detec...

Страница 14: ...rrent protec on The current exceeds se ng value for certain me the compressor and outdoor fan will shut o Indoor fan delayed opera on When the unit starts the louver is automa cally ac vated and the i...

Страница 15: ...wind func on has the priority The indoor fan speed will adjust according to the value of T1 TS 1 6 3 Outdoor FanControl The outdoor units have single fan speed The outdoor fan will run following the...

Страница 16: ...the current se ngs not including the swing se ng and in the case of a sudden power failure will restore those se ng automa cally within 3 minutes a er power returns If the unit was in forced cooling...

Страница 17: ...ps for a certain time Use the LED and SWING bu ons to cycle through informa ondisplayed Pressing LED will display the next code in the sequence Pressing SWING will show the previous The following tabl...

Страница 18: ...Disassembly Contents 1 Maintenance 15 1 1 First Time Installa on Check 15 1 2 Refrigerant Recharge 17 1 3 Re Installa on 18 1 3 1 Indoor Unit 18 1 3 2 Outdoor Unit 20 2 Disassembly 22 2 1 Indoor Unit...

Страница 19: ...c ng the air condi oner s performance the indoor unit as well as the pipes between the indoor and outdoor unit must be be leak tested and evacuated Leak test soap water method Use a so brush to apply...

Страница 20: ...si a er 30 minutes con nue evacua ng for an addi onal 20 minutes If the pressure does not achieve 0 1 MPa 14 5 Psi a er 50 minutes check for leakage If the pressure successfully reaches 0 1 MPa 14 5 P...

Страница 21: ...nder and close the check valve on the charge set to purge the air 5 Place the charging cylinder onto an electronicscale and record the star ng weight 6 Operate the air condi oner in cooling mode 7 Ope...

Страница 22: ...ifold valve to purge air from the charge hose for 5 seconds and then close it quickly 5 Close the 2 way valve 6 Operate the air condi oner in cooling mode Cease opera ons when the gauge reaches 0 1 MP...

Страница 23: ...does not achieve 0 1 MPa 14 5 Psi a er 50 minutes check for leakage If the pressure successfully reaches 0 1 MPa 14 5 Psi fully close the Handle Lo valve and cease vacuum pump opera ons b Wait for 5 m...

Страница 24: ...ne hour Con rm that the compound meter indicates 0 1 MPa 14 5Psi 4 Close the valve Low side on the charge set and turn o the vacuum pump 5 Wait a period of ve minutes then check whether the gauge need...

Страница 25: ...refrigerant 8 When the electronic scale displays the correct weight refer to the gauge and the pressure of the low side to con rm disconnect the charge hose from the 3 way valve s service port immedia...

Страница 26: ...ont panel by the tabs on the both sides and li it see CJ_ AF_001 2 Push up the bo om of an air lter and then pull it out downwards see CJ_AF_002 Front Panel Tab CJ_AF_001 Filter CJ_AF_002 Note This se...

Страница 27: ...o open it see CJ_AF_003 4 Bend the horizontal louver lightly by both hands to loosen the hooks then remove the horizontal louver see CJ_AF_004 Horizontal Louver Hook CJ_AF_003 Hook CJ_AF_004 Note This...

Страница 28: ...CJ_AF_005 1 and CJ_AF_005 2 6 Disconnect the connector fordisplay board see CJ_AF_005 3 7 Remove the display board seeCJ_ AF_005 4 CJ_AF_005 1 CJ_AF_005 2 CJ_AF_005 3 CJ_AF_005 4 CJ_AF_005 Note This s...

Страница 29: ...caps 2 and the remove the screws seeCJ_AF_006 9 Release the 4 hooks 10 Release the seven hooks in the back see CJ_AF_007 CJ_AF_006 Hooks CJ_AF_007 Note This sec on is for reference only Actual unit a...

Страница 30: ...the panel frame while pushing the hook through a clearance between the panel frame and the heat exchanger see CJ_AF_008 CJ_AF_008 Panel Frame Note This sec on is for reference only Actual unit appear...

Страница 31: ...lectronic boxand the terminal cover see CJ_AF_009 2 Pull out the room temperature sensor T1 and the coil temperature sensor T2 see CJ_AF_010 3 Remove the two screws used for the ground connec on see C...

Страница 32: ...CJ_AF_011 2 6 Disconnect the wires Then remove the electronic main board see CJ_ AF_012 Fixing Screw CJ_AF_011 1 Electronic Box CJ_AF_011 2 Swing Motor Applicable to AC Motor Only Indoor Fan Motor CJ...

Страница 33: ...lustra on 7 Remove the xing screw then remove the capacitor of fan motor see CJ_ AF_013 Capacitor of Fan Motor CJ_AF_013 Note This sec on is for reference only Actual unit appearance may vary Maintena...

Страница 34: ...pipe holder located at the rear of the unit see CJ_AF_014 2 Remove the screws on the evaporator located at the xed plate see CJ_AF_015 3 Remove the two screws on the evaporator located at the base of...

Страница 35: ...Page 31 Procedure Illustra on 4 Pull out the evaporator see CJ_AF_017 Evaporator CJ_AF_017 Note This sec on is for reference only Actual unit appearance may vary Maintenance and Disassembly...

Страница 36: ...cedure Illustra on 1 Remove the two screws and removethe xing board of the fan motor see CJ_ AF_018 2 Remove the Bearing sleeve seeCJ_ AF_019 3 Remove the xing screw see Fig CJ_ AF_020 4 Pull out the...

Страница 37: ...1 Front panel 2 Electrical parts before disassembling step motor Procedure Illustra on 1 Remove the two screws then remove the stepping motor see CJ_AF_021 Stepping Motor CJ_AF_021 Note This sec on is...

Страница 38: ...ont panel 6 screws see CJ_AA30_003 5 Remove the screws of water collec ng cover 1 screw see CJ_AA30_004 Front Panel CJ_AA30_003 Water Collec ng Cover CJ_AA30_004 Note This sec on is for reference only...

Страница 39: ...on 6 Remove the screws of the right panel and then remove the right panel 6 screws see CJ_AA30_005 CJ_AA30_005 The Right Panel Note This sec on is for reference only Actual unit appearance may vary M...

Страница 40: ...hen remove the big handle 1 screws see CJ_AB30_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is located underneath the big handle see CJ_ AB30_002 B...

Страница 41: ...n remove the front panel 6 screws see CJ_AB30_003 5 Remove the screws of water collec ng cover 1 screw see CJ_AB30_004 Front Panel CJ_AB30_003 Water Collec ng Cover CJ_AB30_004 Note This sec on is for...

Страница 42: ...ra on 6 Remove the screws of the right panel and then remove the right panel 5 screws see CJ_AB30_005 Right Panel CJ_AB30_005 Note This sec on is for reference only Actual unit appearance may vary Mai...

Страница 43: ...hen remove the big handle 1 screws see CJ_BA30_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is located underneath the big handle see CJ_ BA30_002 B...

Страница 44: ...n remove the front panel 7 screws see CJ_BA30_003 5 Remove the screws of water collec ng cover 1 screw see CJ_BA30_004 Front Panel CJ_BA30_003 Water Collec ng Cover CJ_BA30_004 Note This sec on is for...

Страница 45: ...emove the rear net 2 screws see CJ_BA30_005 7 Remove the screws of the right panel and then remove the right panel 5 screws see CJ_BA30_006 CJ_BA30_005 Right Panel CJ_BA30_006 Note This sec on is for...

Страница 46: ...dle and then remove the big handle 1 screws see CJ_CA30_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is located underneath the big handle see CJ_ C...

Страница 47: ...nel 7 screws see CJ_CA30_003 5 Remove the screws of water collec ng cover and then remove the water collec ng cover 1 screw see CJ_ CA30_004 Front Panel CJ_CA30_003 Water Collec ng Cover CJ_CA30_004 N...

Страница 48: ...ra on 6 Remove the screws of the right panel and then remove the right panel 6 screws see CJ_CA30_005 Right Panel CJ_CA30_005 Note This sec on is for reference only Actual unit appearance may vary Mai...

Страница 49: ...with a spanner see CJ_ODU_001 2 Remove the fan 3 Disconnect the connectors for fan motor Blue wire yellow wire red wire brown wire and black wire The blue wire and red wire are on the capacitor The b...

Страница 50: ...llustra on 4 Remove the xing screws of the fan motor 4 screws see CJ_ODU_003 5 Remove the fan motor Fan Motor CJ_ODU_003 Note This sec on is for reference only Actual unit appearance may vary Maintena...

Страница 51: ...onnectors for fan motor Blue wire red wire brown wire and black wire The blue wire and brown wire are on thecapacitor The black wire connects with a terminal And the red wire is on the borad see CJ_OD...

Страница 52: ...llustra on 4 Remove the xing screws of the fan motor 4 screws see CJ_ODU_006 5 Remove the fan motor Fan Motor CJ_ODU_006 Note This sec on is for reference only Actual unit appearance may vary Maintena...

Страница 53: ...or Black wireconnects with terminal 1 blue wire and red wire connect with the compressor capacitor see CJ_ODU_007 3 Disconnect the wires connected to 4 way valve Blue wires on terminal 2 3 see CJ_ODU_...

Страница 54: ...08 3 Disconnect the wires connected to the transformer seeCJ_ODU_008 4 Disconnect the other wiresconnected to terminals see CJ_ODU_008 5 Remove the PCB board see CJ_ ODU_008 6 Remove the screws of the...

Страница 55: ...lustra on 1 Disconnect the wires and remove the xing screw of the alterna ng current contactor see CJ_ODU_010 CJ_ODU_010 Note This sec on is for reference only Actual unit appearance may vary Maintena...

Страница 56: ...al parts and fan assembly refer to 1 Panel plate 2 Electrical parts and 3 Fan assembly before disassembling sound blanket Procedure Illustra on 1 Remove the sound blanket side and top see CJ_ODU_011 S...

Страница 57: ...fan assembly refer to 1 Panel plate 2 Electrical parts and 3 Fan assembly before disassembling four way valve Procedure Illustra on 1 Heat up the brazed parts and then detach the the four way valve an...

Страница 58: ...to 1 Panel plate 2 Electrical parts and 3 Fan assembly before disassembling compressor Procedure Illustra on 1 Remove the ange nut of terminal cover and remove the termianal cover see CJ_ ODU_013 2 Di...

Страница 59: ...CJ_ODU_015 4 Heat up the brazed parts and then remove the the discharge pipe and the suc on pipe see CJ_ODU_016 5 Li the compressor from the base pan assembly withpliers CJ_ODU_015 Suc on Pipe Discha...

Страница 60: ...Procedures 67 5 2 E0 EEPROM parameter error 68 5 3 E1 Indoor and outdoor unit communica on error only for 22k models 69 5 4 E2 Zero crossing detec on error diagnosis and solu on 70 5 5 E3 Fan speed ha...

Страница 61: ...si ve a n d nega ve terminals of the electroly c capacitor The terminals are located on the bo om surface of the outdoor PCB Note This picture is for reference only Actual appearances may vary WARNING...

Страница 62: ...utsideof the normal range Page 71 5 OFF E4 Indoor room temperature sensor T1 is in open circuit or has short circuited Page 73 6 OFF E5 Evaporator coil temperature sensor T2 is in open circuit or has...

Страница 63: ...fans will not start Page 62 63 3 The tempreture on the playboard cannot be se ed Page 62 63 4 Unit is on but the wind is not cold hot Page 62 63 5 Unit runs but shortly stops Page 62 63 6 The unit st...

Страница 64: ...er Outdoor fan will not start Page 64 65 6 Unit runs but shortly stops Page 64 65 7 Compressor short cycles due to overload Page 64 65 8 High discharge pressure Page 64 65 9 Low discharge pressure Pag...

Страница 65: ...ain power tripped Inspect connec ons ghten Loose connec ons Change the transformer Faulty transformer Test voltage The voltage is too high or too low Replace the ba ery of the remote control The remot...

Страница 66: ...rews Close all the windows and doors Bad airproof Remove the obstacles The air inlet or outlet of either unit is blocked Reconnect the power or press ON OFF bu on on remote control to restart Interfer...

Страница 67: ...se or varistor Inspect connec ons ghten Loose connec ons Test circuits with tester Shorted or broken wires Test con nuity of safety device Safety device opens Test con nuity of thermostat sensor wirin...

Страница 68: ...w High temperature condensing medium Remove obstruc on in air or water ow Insu cient condensing medium Replace compressor Broken compressor internal parts Test compressor e ciency Ine cient compressor...

Страница 69: ...parts to replace by error code in the following table Part requiring replacement Error Code E0 E1 E2 E3 E4 E5 e7 EC F2 Indoor PCB x Outdoor PCB x x x x x x x x Indoor fan motor x x x x x x x x Outdoo...

Страница 70: ...Disconnect the temperature sensor from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient te...

Страница 71: ...ll NO Replace the indoor outdoor main PCB The unit is opera ng normally 5 2 E0 EEPROM parameter error Descrip on Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip Recommended...

Страница 72: ...t communica on error only for 22k models Descrip on The indoor unit has not received feedback from the outdoor unit for 120 seconds Recommended parts to prepare Indoor PCB Outdoor PCB Reactor Troubles...

Страница 73: ...crip on When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal me interval is abnormal Recommended parts to prepare Connec on mistake PCB faulty Troubleshoo...

Страница 74: ...it will stop and the LED will display the failure Recommended parts to prepare Wiring mistake Faulty fan assembly yfaulty Faulty fan motor Faulty PCB Troubleshoo ng and repair YES NO YES YES Measure t...

Страница 75: ...running in fan mode at high fan speed A er running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 100V 208 240V power supply or 50V 115V power supply the...

Страница 76: ...F2 Open circuit or short circuit of temperature sensor diagnosis and solu on F2 is only for 22k models Descrip on If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display...

Страница 77: ...board Recommended parts to prepare Wiring mistake Faulty PCB Display board malfunc on Troubleshoo ng and repair Power o then restart the unit 2 minutes later Is it s ll displaying the error code NO Y...

Страница 78: ...if T2 Tcool 2 C does not keep con nuous 4 seconds and this situa on happens 3 mes the display area will show EC and AC will turn o Recommended parts to prepare Faulty T2sensor Faulty iIndoor PCB Syste...

Страница 79: ...Page 76 Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 77...

Страница 80: ...117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33...

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