Olimpia splendid Maestro Pro 01925 Service Manual Download Page 1

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SERVICE MANUAL

ENG

INVERTER 12 HP

Model

01925

Summary of Contents for Maestro Pro 01925

Page 1: ...SERVICE MANUAL ENG INVERTER 12 HP Model 01925 ...

Page 2: ...r grills 19 6 3 6 20 6 4 Dock units 20 6 5 Electrical connections 21 6 6 Switching the unit on 21 22 7 1 22 7 1 1 22 7 1 2 22 7 2 LED alarm codes 22 7 2 1 22 7 2 2 Compressorfrequency Restrictions 22 SYMBOLS USED IN THE MANUAL AND THEIR MEANING a WARNING To indicate actions that if not carried out correctly may result in injuries of general origin personal injury or death a ATTENTION To indicate a...

Page 3: ... 17 outdoor fan 37 8 18 Indoor Coil 37 8 19 Outdoor Coil 37 8 20 Flapper Motor 37 8 21 Condensate Slinger 37 38 9 1 Filter removal 39 9 2 39 9 3 Front cover removal 40 9 4 Backrest removal 41 9 5 outdoor fan removal 4 2 9 6 42 9 7 IDU electronic front cover removal 42 9 8 Inverter display board removal 43 9 9 MAIN board box removal 43 9 10 MAIN card removal 43 9 11 ODU electronic cover removal 43 ...

Page 4: ...al network only by qualified personnel according to the installation instructions and in compliance with local regulations in force The manufacturer assumes no responsibility for the incorrect installation of the appliances a WARNING DANGER OF ELECTROCUTION Check that the electrical outlet has the same configuration as the plug of the appliance If different consult a licensed electrician Do not us...

Page 5: ... 10 14 8 17 11 16 18 Ref Description 1 Upper grill 2 Body 3 Flap 4 Right Mask 5 Left Mask 6 Display 7 Remote control 8 ON OFF key 9 Indoor Coil Ref Description 10 Outdoor Coil 11 Pump unit 12 IPM card 13 Power board POWER 14 Control board 15 Outdoor fan 16 Base 17 Compressor 18 Indoor fan ...

Page 6: ...r Pro Boost inverter technology Openings of 8 inches in diameter are recommended for full capacity and efficiency Alternatively it is possible to use openings with a diameter of 6 4 inches however there is a corresponding loss of capacity and efficiency that can vary according to the specific application 3 The CEER is calculated according to the ANSI RAC 1 2015 standard The Combined Energy Efficie...

Page 7: ... 140 5 5 261 10 3 472 18 6 442 17 4 8 8 805 31 7 48 1 9 mm Inch 1 1mm 6 4 DESCRIPTION MAESTRO PRO 12 HP Dimensions without packaging mm inches 900 x 518 x 215 35 5 x 20 4 x 8 5 Dimensions with packaging mm inches 980 x 609 x 330 38 6 x 24 x 13 Weight without packaging kg lbs 39 86 Weight with packaging kg lbs 42 93 ...

Page 8: ...R Infrared receiver 2 4 1 Operating conditions FUNCTION DISPLAY LED5 LED1 Stand by OFF OFF OFF Cooling down 18 30 C ON BLUE 64 86 F Warm up 18 30 C ON RED 61 86 F Dehumidification ON BLUE Fan OFF Automatic AA Maximum fan speed HI Medium fan speed Me Minimum fan speed Lo Automatic fan speed Au Timer enabled ON f Dirty filter warning FI Energy Boost opening contact par Pl 0 E System enabled contact ...

Page 9: ...mode activation deactivation Reduces power consumption by 50 9 Clock setting programming 10 C F Temperature unit setting C F if present 11 Activation deactivation of program 1 program 2 functions 12 Activation deactivation of the unit display 13 Display Activation deactivation of the display of the report unit 2 5 2 Display 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SIMBOLO DESCRIZIONE 1 H...

Page 10: ... be selected from the infrared receiver button B8 or from the serial port no message appears on the display The IPM board already includes HIGH VOLTAGE limits which refers to the total voltage absorbed by the power and IPM boards and their accessories maximum voltage limit in cooling mode e g 7 Ampere maximum voltage limit in heating mode e g 7 Ampere If Economy mode is activated a lower voltage l...

Page 11: ... in cooling mode or increased by PI C if the air conditioner is in heating mode When the contact closes the air conditioner restores the previous operating state The ENERGY BOOST input has no effect when the unit is in fan only dehumidifier or automatic mode 2 5 5 1 System ENABLE Contact WINDOW Contact open unit in stand by cannot be activated by remote control or by touch keyboard Contact closed ...

Page 12: ...R 4 VALVES Heating opening Speed remote control Stop hot air in heating mode ON ON ON ON OFF OFF Min Fre 4 valves ignition delay time Activation conditions outdoor T 5 C 41ºF and T coil 3 C 27ºF 5 C outdoor T 1 C 30ºF and T coil 10 C 14ºF 1 C outdoor T 8 C 18ºF and T coil 13 C 9ºF outdoor T 8 C 18ºF and T coil 15 C 5ºD outdoor T 8 C 8ºF and the appliance has been running for 120 min Stop condition...

Page 13: ...LED5 OFF In this mode the only Indoor fan is always powered and you can select the desired speed at any time by pressing the relevant button on the remote control or on the display All other outputs are disabled except the reversing valve for 2 minutes if the heating mode was previously selected except the water valve if 3 minutes have not yet elapsed since the previous continuous operation of the...

Page 14: ...tions in cooling and dehumidification Only with active compressor If the run contact remains closed for less than 0 5 seconds the pump will not start If the start contact remains closed for at least 0 5 seconds the pump activates and stays on until the contact opens If the pump remains active continuously for more than 1 minute the thermoactuator is activated until the pump is switched off opening...

Page 15: ...15 MAESTRO PRO INVERTER 4 ELECTRICAL DIAGRAM DESCRIPTION MAESTRO PRO 12 HP 1 Supply voltage min 109 max 127 115 AC Volt 1 Phase 60 Hertz ...

Page 16: ...OR COIL INDOOR COIL EXPANSION VALVE COOLING 5 2 Heating cooling circuit with reversing valve OUTDOOR COIL INDOOR COIL EXPANSION VALVE E C HEATING MODE DESCRIPTION TYPE AMOUNT Refrigerant charge by factory R 410 A 500 1 1 gr lbs NOTE The refrigeration circuit is hermetically sealed E C ...

Page 17: ...ds 2 6 Indoor flange 2 7 Condensate drain pipe 1 8 Mounting hardware 1 9 Wall mounting bracket 2 10 Sheets used for wall ducts 2 11 Paper template for drilling holes 1 12 Air purification filter green color 1 13 Activated carbon filter black color 1 6 2 Position 6 2 1 LOW WALL installation min 102mm 4 min 60mm 2 4 NOTICE Check that in this type of installation the parameter P0 is set on uP 6 2 2 L...

Page 18: ...18 6 3 Assembly 6 3 1 Wall drilling 6 3 2 Condensate drain 3 min 300mm 12 In wall drain requires trap TANK 6 3 3 Condensate drain connection to the unit 1 2 3 ...

Page 19: ...19 MAESTRO PRO INVERTER 6 3 4 Air ducts ø202 mm ø162 mm 130 mm 8 6 5 5 1 6 3 5 Outdoor grid ...

Page 20: ... 8 6 4 Hook the unit a ATTENTION EXCESSIVE WEIGHT HAZARD Use two or more people when installing the air conditioner Observe the maximum weight that can be lifted per person Failure to observe this precaution could result in back injury or other injuries a WARNING DANGER OF FALLING OBJECTS Failure to comply with the installation instructions for assembling the appliance can cause damage to property...

Page 21: ...iring in the building may be compromised consult a licensed electrician When the unit is in the STOP position there is still voltage to the electrical controls Disconnect the power supply before performing maintenance disconnect the power cord if present from the wall socket Set the main system switch to off OFF The product must be connected via the power socket supplied it is not possible to modi...

Page 22: ...rms The following table indicates the number of flashes of the yellow LED and of the red LED Example EEPROM writing error YELLOW LED 4 consecutive flashes RED 1 flash The flashing sequence is repeated until the alarm is present DESCRIPTION FLASHING Yellow Red Air temperature sensor failure outdoor 1 0 outdoor coil temperature probe fault Tehx 2 0 Failure of the supply air temperature sensor compre...

Page 23: ...roperly connected NO YES Are the values correct with respect to the table NO YES Check the Omh values of the sensor 7 3 2 ERROR 2 Outdoor coil temperature sensor fault Connect the sensor to the board correctly Replace sensor Replace card ERROR 2 Outdoor coil temperature sensor failure The sensor is it properly connected NO YES Are the values correct with respect to the table NO YES Check the Omh v...

Page 24: ...alues of the sensor 7 3 4 ERROR 4 Compressor current protection Winding U V V W W U Dimension AWG mm2 mm inch Ø 0 4 0 015 Ø 0 4 0 015 Ø 0 4 0 015 Type MW30 C MW30 C MW30 C Turns Volts Amps Dc resistance Ω 10 Ω C 8 2 20 8 2 20 8 2 20 Replace IPM card Check the impedance of the windings ERROR 4 Compressor current protection Check absorption Does it exceed 16A NO YES Check compressor connections U V ...

Page 25: ...s indicated on the IPM board Y R led YES Replace wiring NO Replace IPM card NO 7 3 6 ERROR 6 Power line overcurrent Replace IPM card ERROR 6 Power line overcurrent Check power supply voltage Are the values within the parameters YES Contact electricity supplier NO 7 3 7 ERROR 7 No compressor load Check coolant charge Search for a leak by putting the circuit under pressure at 35 40 Bar 530 580 psi r...

Page 26: ...power supply volatege NO Contact electricity supplier NO Replace PFC card 7 3 9 ERROR 9 Current anomaly ERROR 9 Current anomaly Check current draw Is it between 1 5A and 16A Check voltage between terminals DC and DC It is between 210 Vcd and 380 Vcd YES YES Replace IPM card NO Check power supply voltage NO Replace IPM card Check power supply voltage Are the values within the parameters YES Contact...

Page 27: ...circulation between the air inlet outlet pipe or are the grids not the original ones Does the condensate drainage system work correctly Are the values correct YES YES YES YES YES YES YES Restore air hoses as per manual Replace the motor NO Clean the coil NO Replace PFC card NO Check mechanical locks and board input output voltage values NO Verify Thermoactuator Condensate Pump Reversing valve Cond...

Page 28: ...EEPROM error Are the connections correct YES Correct connections NO 7 3 13 ERROR 13 Compressor discharge temperature too high Check the coolant charge according to the plate data Compressor discharge temperature limit 110 C 230ºF Compressor discharge temperature reset 90 C 194ºF Check the refrigerant circuit Are there any obstructions ERROR 13 Compressor discharge temperature too high The compress...

Page 29: ...ROR 15 NO 7 3 14 ERROR 14 Room temperature sensor failure Check the Omh values of the sensor Replace card ERROR 14 Room temperature sensor failure Is the sensor properly connected Are the values correct with respect to the table YES YES Correctly connect the sensor to the board NO Replace sensor NO 7 3 15 ERROR 15 Indoor coil temperature sensor failure Check the Omh values of the probe Replace car...

Page 30: ... free of obstructions Is the unit positioned on a high wall with the correct configuration Is there are restriction of either the supply or return air such as Curtains niches etc YES YES YES YES YES YES YES Check sensor Ref ERROR 15 NO Clean the filters NO Free nozzle NO Correct configuration as per instruction manual NO Eliminate obstructions NO Check for blockages and board input output voltage ...

Page 31: ...e of obstructions Is the thermoactuator correctly powered when the pump remains active for more than 60 sec Is the installed condensate drain hose free of obstructions Is the thermoactuator powered correctly COOLING WARM UP YES YES YES YES YES YES YES YES Replace IDU Board NO Clean battery NO Clean slinger NO NO NO Unblock or replace float Unblock replace pump Prepare drain clear obstruction NO Pr...

Page 32: ...r cleaning disconnect the appliance from the power supply Failure to follow these instructions can result in electric shock serious injury or death 8 1 EXV Electronic expansion valve BLUE GRAY BLACK YELLOW RED ORANGE COM A CN 606 COM B B A B A A A B COM B B COM A EEV 6 blue COM 5 gray COM 4 black B 3 yellow A 2 red B 1 orange A 6 yellow 5 black 4 blue 3 gray 2 orange 1 red DESCRIPTION VALUE COM A ...

Page 33: ...speed 03 3 1F6 Low noise max compressor frequency equal for Cooling and Heating 34 52 Hz CC Heating max 230Vac current limit if overtaken the frequency is reduced Es 8Ax ADDR D4 80dec 50hex 62 14 A CD Cooling max 230Vac current limit if overtaken the frequency is reduced Es 8Ax ADDR D4 80dec 50hex 62 14 A 10F Percentage of CURRENT LIMIT in Economy 32 50 E5 Compressor waiting time before restart af...

Page 34: ... 30 C 22ºF to 80 C 176ºF 4 Tube PVC 105 C 300V Hose Ø4mm 590mm black 5 Nylon strap 6 Cable PVC 105 C 300V 2xAWG26 620 mm Length mm Tolerance 0 100 3 100 200 5 200 1000 10 1000 5000 30 5000 50 8 10 IDU sensor 1 2 4 5 3 POSITION DESCRIPTION 1 Housing JST EHR 2 Red 2 Clamp JST SEH 001T P0 6 530 mm 3 Temperature sensor R25 10 kΩ 3 B25 100 3988 K 0 5 Operating Temp Range 30 C 22ºF to 80 C 176ºF 4 Tube ...

Page 35: ... cable 26AWG 105 C 300 V Alternative 5 Exhaust temperature sensor KELIAN G08061500011 30 C 125 C R100 3 77kΩ 2 5 B0 100 3979 k 1 cable 26AWG 150 C 600V Alternative BEILU 150 583 97007 30 C 125 C R100 3 77kΩ 2 B0 100 3979 k 2 6 Tube Rubber hose PVC Ø4mm 150 C 480 mm Grey 7 Tube Rubber hose PVC Ø4mm 150 C 1120 mm Grey 8 Tube Rubber hose PVC Ø4mm 150 C 1120 mm Black 9 Nylon strap The tube must be pla...

Page 36: ...C 10 a 20 C Ω 8 2 8 2 8 2 8 16 Indoor fan 5 VHR 5N SVH 21T P1 1 300 200 370 ᴓ 4x280 15 XHP 3N SXH 001T P0 1 3 3 2 1 VCC GND VOUT 2 White 3 White 1 White 1 3 5 μF 450V 1 BLACK 5 WHITE 3 RED M A PG 1 5 Minimum voltage 60 V Motor start speed Maximum voltage 115V Maximum engine speed Resistance 20 C M 20 C Ω 82 5 13 A 20 C Ω 88 2 13 Thermal protector 110 C 5 open ...

Page 37: ...L U E B L U E B R O W N Y E L L O W CONDENSER EC FAN MOTOR Supply CN 708 Blue Brown VAC 115 Speed command CN 700 Blue Yellow VDC 0 10 Minimum speed vdc rpm 1 Full speed vdc rpm 9 8 18 Indoor Coil 8 19 Condenser Coil 8 20 Flapper motor 8 21 Condensate Slinger ...

Page 38: ...fety procedures must be followed and appropriate protective equipment worn Failure to follow these instructions can result in serious injury or death NOTICE DANGER OF FIRE The use of flame requires extreme caution Follow all recommended safety precautions and protect surrounding areas with fireproof materials Keep a fire extinguisher handy Failure to observe this warning could cause moderate to se...

Page 39: ...1 1 Grasp the tabs 2 pull upwards and extract the filter unit 2 Remove the air purifying filter green and carbon filter black from the filter assembly GREEN BLACK 9 2 Body removal Remove the masks 1 by sliding them outwards Carefully rotate the flap forward 2 1 1 2 ...

Page 40: ...per grille and remove the fixing screws 1 1 1 Remove the fixing screws 2 located behind the flap and the fixing screws 3 located on the bottom 2 2 2 3 3 Remove the body 9 3 Front cover removal Remove screws 1 1 1 1 1 ...

Page 41: ...ect the outdoor air probe 1 Remove all fixing screws 2 2 2 2 2 1 Remove the backrest 3 paying attention to the connections and to the outdoor air probe 3 9 5 Removing the outdoor fan Remove the body ref 9 2 Removing the body on page 39 Remove the backrest ref 9 4 Removing the backrest on page 41 Remove all fixing screws 1 1 1 ...

Page 42: ...ing the backrest on page 41 Remove the front cover ref 9 3 Removing the front cover on page 40 Remove the indoor coil ref 9 21 Removing the outdoor coil on page 49 Loosen the Allen screw 1 1 Remove the fan 2 being careful not to break the fins 2 9 7 IDU electronic front cover removal Remove all screws 1 Remove the IDU electronics front cover 2 and remove the connectors from the board 2 1 ...

Page 43: ... from the MAIN board A Remove the fixing screw 1 Gently extract the box 2 from its seat 2 1 A 9 10 MAIN card removal Remove the front cover ref 9 3 Removing the front cover on page 40 Remove the IDU electronic front cover ref 9 7 Removing the IDU electronic front cover on page 42 Disconnect all connectors from the MAIN board A Remove all fixing screws 1 Gently remove the MAIN board 2 from its seat...

Page 44: ...tronic unit ref 9 7 Removing the IDU electronic front cover on page 42 Disconnect all the electrical connectors and remove the fixing screws 1 Gently remove the PFC card 2 from its seat 2 A 1 9 14 IPM card removal Remove the cover of the ODU electronic unit ref 9 7 Removing the IDU electronic front cover on page 42 Remove the PFC card ref 9 13 Removing the PFC card on page 44 Disconnect all the el...

Page 45: ...ve the condensate pipe 1 Remove the fixing screws 2 1 2 1 Gently extract the unit 3 paying attention to the wiring 3 9 16 Cable cover removal Remove the cover fixing screw 1 and the condensate pipe 2 1 2 1 Remove the cover 3 taking care not to damage the fixing tabs 4 3 4 ...

Page 46: ...ve the cable cover ref 9 15 Removing the pump sensors obturator unit on page 45 Act on the tabs 1 to release the pump 2 and extract it paying attention to the electrical wiring 1 2 9 19 Removing the condensate slinger Remove the body ref 9 2 Removing the body on page 39 Remove the front cover ref 9 3 Removing the front cover on page 40 Remove the backrest ref 9 4 Removing the backrest on page 41 R...

Page 47: ...utdoor coil 5 slightly forward and hold it in place NOTE Be careful not to force too much and damage the pipes 4 3 5 Rotate the condensate slinger 6 and remove it NOTE Be careful not to break the attachment point A 6 A NOTE To clean the slinger it is recommended to fill it with water shake it and empty it Repeat the operation several times in order to remove as much Indoor dirt as possible that wo...

Page 48: ...rging discharging tube 1 forward 1 9 20 3 General procedure NOTE the images refer to the front loading device the procedure remains the same also for the rear loading devices Close the restriction on the charging discharging pipe with a nipper 3 Secure the nippers with a clamp to keep it firm and tightly closed 4 NOTE the use of the nippers serves to prevent the coolant from leaking once the tube ...

Page 49: ...y ref 9 2 Removing the body on page 39 Remove the front cover ref 9 3 Removing the front cover on page 40 Remove the backrest ref 9 4 Removing the backrest on page 41 Remove the outdoor fan ref 9 5 Removing the outdoor fan on page 41 Remove the pump sensors obturator unit ref 9 15 Removing the pump sensors obturator unit on page 45 Discharge the coolant circuit from the gas ref 9 20 Charging uncha...

Page 50: ...arging discharging the coolant on page 48 Remove the fixing screws 1 and remove the locking brackets 2 2 2 1 1 Remove the insulation from the pipes 3 Place a guard 4 to protect the appliance and proceed with the desoldering of the pipes in the points A B 3 3 B A 4 Remove the indoor coil 5 taking care not to crush the fins 5 NOTE in case of flattened fins use the appropriate comb to restore them ...

Page 51: ...nt circuit from the gas ref 9 20 Charging discharging the coolant on page 48 Remove the screws and remove the side panels 1 1 1 Move the whole evaporator unit 2 back handle carefully and without forcing 2 NOTE Make sure the evaporator assembly is stable before continuing Remove the screw and remove the cap of the electrical connections 3 Disconnect the cables 4 3 4 Remove the insulation from the p...

Page 52: ...he signal weakens In order to use the WiFi card the smartphone must be able to communicate via Bluetooth WiFi or 3G channel based on its location with respect to the air conditioner The quality of the connection to a wireless network could be influenced by the presence of electromagnetic smog 10 1 2 WiFi card structure CN4 LD4 LD2 LD3 LD1 12 V CN1 ON OFF CN5 INVERTER 2 3 6 7 8 4 5 1 RIF DESCRIPTIO...

Page 53: ...located under the power button 2 2 Put the body back on and reassemble the machine on the wall 10 1 4 3 Contact enabling The B1018 board manages an enabling contact which when open forces the air conditioner into standby and the open contact alarm is shown on the App When the contact is closed the B1018 board forces the air conditioner to start in the previous mode CN4 10 2 OLIMPIA SPLENDID applic...

Page 54: ...n deactivation of the timer and access related settings 9 Temperature control slidebar setting the desired room temperature 10 Current room temperature indicator displays the room temperature detected by the air conditioner 11 Checking the air deflector select fixed or swinging mode of the air deflector 12 Mode select the desired operating mode 13 Air speed selection selects the fan operating spee...

Page 55: ...ation configuration advanced configurations Room Delete air conditioner Change name configuration dvanced lose Settings Add new air conditioner Room Kitchen Select an air conditioner to connect it to your smartphone or to modify it 10 2 4 2 Configure WiFi Selecting CONFIGURE WiFi is possible check the intensity of the WiFi network signal detected by the B1015 kit installed in the unit set the Netw...

Page 56: ...ator of the programming inserted Displays the details of the time bands entered 7 Copy programming It is used to copy the timer setting to other days of the week 10 3 Anomalies diagnostics DESCRIPTION LED1 Green LED1 Red LED1 Yellow LED4 Yellos Problems communication between card WiFi and air conditioning Flashing WiFi network configured but without connection to the internet Flashing WiFi network...

Page 57: ...ater and neutral detergent If the filter is damaged replace it Make sure the filter is completely dry Properly reposition the filter in its seat Vacuum any fluff from the grill 11 2 Maintenance If you plan not to use the appliance for a long time do the following Operate the fan only mode for a few hours about 1 2 hours to dry the inside of the appliance Stop the unit and disconnect the power supp...

Page 58: ...r table COMPRESSOR DRAIN SENSOR C KΩ C KΩ C KΩ C KΩ 20 542 7 18 75 2 56 15 7 94 4 4 19 511 9 19 71 9 57 15 2 95 4 3 18 483 20 68 6 58 14 6 96 4 2 17 455 9 21 65 6 59 14 1 97 4 16 430 5 22 62 7 60 13 6 98 3 9 15 406 7 23 60 61 13 1 99 3 8 14 384 3 24 57 4 62 12 7 100 3 7 13 363 3 25 54 9 63 12 2 101 3 6 12 343 6 26 52 5 64 11 8 103 3 5 11 325 1 27 50 3 65 11 4 104 3 4 10 307 7 28 48 1 66 11 105 3 3...

Page 59: ...59 MAESTRO PRO INVERTER ...

Page 60: ...Pro ITinternal use 09 2021 00 CONTACT INFORMATION Olimpia Splendid USA 870 International Parkway Suite 120 Flower Mound TX 75022 Technical Support 800 408 5196 ext 102 or 103 techservices olimpiasplendidusa com ...

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Olimpia splendid Maestro Pro 01925, Service Manual

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