Pioneer YH1824GHFD18R2 Technical & Service Manual Download Page 1

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CENTRAL SPLIT AIR CONDITIONER

IMPORTANT NOTICE:

Thank you very much for purchasing this Air Conditioner. Please read this manual carefully before

installing or operating your new air conditioning system. Be sure to save this manual for future reference.

HIGH EFFICENCY

CONDENSING UNIT

Models:
• YH1824GHFD18R2
• YH3036GHFD18R2
• YH4248GHFD18R2
• YH4860GHFD18R2

- R-410A REFRIGERANT
- 208~230 V, 1 Phase, 60 Hz
- 18 SEER

Technical &

Service Manual

Summary of Contents for YH1824GHFD18R2

Page 1: ...ead this manual carefully before installing or operating your new air conditioning system Be sure to save this manual for future reference HIGH EFFICENCY CONDENSING UNIT Models YH1824GHFD18R2 YH3036GHFD18R2 YH4248GHFD18R2 YH4860GHFD18R2 R 410A REFRIGERANT 208 230 V 1 Phase 60 Hz 18 SEER Technical Service Manual ...

Page 2: ...hese products are equipped with electrical parts If poured it will cause a serious electrical shock Do not open the service cover or access panel for the indoor or outdoor units without turning OFF the main power supply Do not touch or adjust safety devices inside the indoor or outdoor units If these devices are touched or readjusted it may cause a serious accident Refrigerant leakage can cause di...

Page 3: ...or put any material on the product Do not put any foreign material on the unit or inside the unit It is recommended that the room be ventilated every 3 to 4 hours The air conditioner may not work properly under the following circumstances The power transformer provides the same power or power as the air conditioner The electrical equipment is too close to the power supply of the air conditioner Wi...

Page 4: ...ture 29 8 3 Common wiring 34 9 Field setting 35 9 1 Outdoor unit DIP switch 35 9 2 Running parameter query 37 10 Piping work and refrigerant charge 40 10 1 MAX length allowed 40 10 2 Oil trap 40 10 3 Air tight test 41 10 4 Additional refrigerant charge 41 11 Installation tools and installation flow chart 42 11 1 Necessary tools and instrument list for installation 42 11 2 Installation flow chart 4...

Page 5: ... intelligent control can be realized by calculating the indoor coil temperature through the pressure valve Smaller outdoor dimension for installation ﬂexibility The side discharge outdoor unit saves roughly 36 more space than traditional air conditioners More conveniently it can be installed on wall yard or on the roof Convenient Installation The stop valve and connecting pipes are connected by we...

Page 6: ...age Voltage Imbalance Starting Voltage 198V 253V Within a 3 deviation from each voltage at the main terminal of outdoor unit Higher than 85 of the Rated Voltage 24K 36K 48K 60K Operating temperature range This air conditioner is designed for the following outdoor operating temperatures Type Outdoor operation temperature range Maximum Minimum DC Inverter Split Air Conditioner Heat pump type Cooling...

Page 7: ...r3x12 outdoor3x10 outdoor3 8 outdoor3 8 Communication cable No AWG 5 16 5 16 5 16 5 16 Outdoor fan motor Type DC DC DC DC Model ZWK511A805001 SIC 71FW F8121 1 SIC 71FW D8121 1 SIC 71FW D8121 2 SIC 71FW D8121 1 SIC 71FW D8121 2 Qty 1 1 2 2 Output W 60 121 121 121 Speed Hi r min 880 810 850 850 Outdoor coil Number of Rows 2 2 2 2 Tube Pitch a mm 21 21 21 21 in 0 827 0 827 0 827 0 827 Row Pitch b mm ...

Page 8: ...ant piping Liquid side Gas side mm inch Φ9 52 Φ15 88 3 8 5 8 Φ9 52 Φ19 05 3 8 3 4 Φ9 52 Φ22 22 3 8 7 8 Φ9 52 Φ22 22 3 8 7 8 Max pipe length m 50 75 75 75 ft 164 246 246 246 Max difference in level m 30 30 30 30 ft 98 98 98 98 Operating temperature range Cooling 5 122 5 122 5 122 5 122 15 50 15 50 15 50 15 50 Heating 13 75 13 75 13 75 13 75 25 24 25 24 25 24 25 24 Qty per 20 40 40 HQ Outdoor unit S...

Page 9: ...3 OUTLINES AND DIMENSIONS 3 Outlines and dimensions Unit in mm 24K 5 ...

Page 10: ...TLINES AND DIMENSIONS Unit in mm 6 1 8 155 2 5 8 66 4 1 8 105 37 3 8 950 40 7 8 1038 7 1 4 185 22 7 8 580 13 3 8 340 16 1 4 414 14 15 16 380 13 9 16 344 1 5 8 41 2 3 4 70 4 φ5 8 15 3 1 2 88 33 1 8 840 36K 6 ...

Page 11: ...3 OUTLINES AND DIMENSIONS Unit in mm 48K 60K 7 ...

Page 12: ... 198 253 25 30 36K 208 230 1 60 198 253 35 30 208 230 1 60 198 253 50 30 NOTE 1 The above compressor data is based on 100 capacity combination of indoor units at the rated operating frequency 2 This data is based on the same conditions as the nominal heating and cooling capacities 3 The compressor is started by an inverter resulting in extremely low starting current 30 30 36K 48K 60K 8 ...

Page 13: ... temperature of outdoor unit Conditions Pipe length height diﬀerence 25 ft 7 6m 0 ft 0m Compressor at rated inverter frequency Indoor fan speed at high fan speed Capacity loss due to white frost and defrost operation is not included Remarks TC Total Cooling Capacity Gross kBtu h S T Sensible Capacity Ratio PI Power Input including the compressor cond fan motor kW DB Dry Bulb Temperature WB Wet Bul...

Page 14: ...4 0 70 kW 1 25 1 26 1 28 1 28 1 28 1 29 1 30 1 32 1 32 1 33 1 34 1 36 1 63 1 65 1 66 TC 16 0 16 2 16 6 16 7 16 6 16 7 16 9 17 1 17 6 17 8 18 0 18 1 20 8 20 9 21 0 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 1 48 1 50 1 52 1 52 1 52 1 53 1 55 1 57 1 57 1 58 1 60 1 61 1 92 1 94 1 95 TC 15 6 15 8 16 2 16 3 16 2 16 3 16 5 16 7 17 2 17 4 17 5 17 7 19 3 19 3 19 4 S ...

Page 15: ... 0 95 0 39 0 54 0 70 kW 1 72 1 73 1 76 1 76 1 76 1 77 1 79 1 81 1 81 1 83 1 84 1 87 2 25 2 26 2 29 TC 21 4 21 6 22 1 22 3 22 1 22 3 22 5 22 8 23 4 23 8 24 0 24 1 27 7 27 8 28 0 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 2 04 2 07 2 09 2 09 2 09 2 11 2 13 2 15 2 16 2 18 2 20 2 22 2 64 2 67 2 68 TC 20 8 21 1 21 6 21 8 21 6 21 8 22 0 22 3 23 0 23 2 23 4 23 6 25 ...

Page 16: ... 00 1 00 0 39 0 58 0 76 0 95 0 39 0 54 0 70 kW 2 19 2 21 2 24 2 24 2 24 2 26 2 28 2 31 2 31 2 33 2 35 2 38 2 86 2 88 2 91 TC 26 7 27 0 27 7 27 9 27 7 27 9 28 2 28 5 29 3 29 7 30 0 30 2 34 6 34 8 35 0 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 2 60 2 63 2 66 2 66 2 66 2 68 2 71 2 74 2 75 2 77 2 80 2 82 3 36 3 39 3 41 TC 26 0 26 3 27 0 27 2 27 0 27 2 27 5 27 8 ...

Page 17: ...0 3 02 3 06 3 06 3 09 3 12 3 16 3 80 3 83 3 87 TC 32 0 32 5 33 2 33 5 33 2 33 5 33 8 34 2 35 2 35 7 36 0 36 2 41 5 41 7 41 9 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 3 45 3 49 3 53 3 53 3 53 3 56 3 60 3 64 3 65 3 68 3 72 3 75 4 47 4 51 4 54 TC 31 2 31 6 32 3 32 7 32 3 32 7 33 0 33 4 34 4 34 9 35 1 35 4 38 5 38 5 38 7 S T 0 99 1 00 0 99 1 00 0 63 0 87 1 00 1...

Page 18: ...1 00 1 00 0 39 0 58 0 76 0 95 0 39 0 54 0 70 kW 3 20 3 23 3 27 3 27 3 27 3 30 3 33 3 38 3 38 3 41 3 44 3 48 4 19 4 22 4 26 TC 37 4 37 9 38 7 39 1 38 7 39 1 39 4 39 9 41 0 41 6 42 0 42 2 48 5 48 7 48 9 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 3 81 3 85 3 89 3 89 3 89 3 92 3 97 4 01 4 03 4 06 4 10 4 13 4 93 4 97 5 00 TC 36 4 36 9 37 7 38 1 37 7 38 1 38 5 39 0...

Page 19: ...1 00 1 00 0 39 0 58 0 76 0 95 0 39 0 54 0 70 kW 3 66 3 69 3 75 3 75 3 75 3 78 3 81 3 86 3 86 3 90 3 93 3 98 4 79 4 82 4 88 TC 42 7 43 3 44 2 44 7 44 2 44 7 45 1 45 6 46 9 47 6 48 0 48 3 55 4 55 7 55 9 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 4 35 4 40 4 45 4 45 4 45 4 49 4 54 4 59 4 61 4 64 4 69 4 72 5 63 5 69 5 72 TC 41 6 42 2 43 1 43 5 43 1 43 5 44 0 44 5...

Page 20: ...86 1 00 1 00 0 39 0 58 0 76 0 95 0 39 0 54 0 70 kW 3 55 3 58 3 63 3 63 3 63 3 67 3 70 3 75 3 75 3 78 3 81 3 86 4 65 4 68 4 73 TC 42 7 43 3 44 2 44 7 44 2 44 7 45 1 45 6 46 9 47 6 48 0 48 3 55 4 55 7 55 9 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 4 22 4 27 4 32 4 32 4 32 4 35 4 40 4 45 4 47 4 50 4 55 4 58 5 47 5 52 5 55 TC 41 6 42 2 43 1 43 5 43 1 43 5 44 0 4...

Page 21: ...1 00 1 00 0 39 0 58 0 76 0 95 0 39 0 54 0 70 kW 5 19 5 24 5 31 5 31 5 31 5 36 5 41 5 48 5 48 5 53 5 57 5 65 6 79 6 84 6 91 TC 49 8 50 5 51 6 52 1 51 6 52 1 52 6 53 2 54 7 55 5 56 0 56 3 64 6 64 9 65 3 S T 1 00 1 00 0 99 1 00 0 63 0 87 1 00 1 00 0 39 0 58 0 76 1 00 0 39 0 55 0 71 kW 6 17 6 24 6 32 6 32 6 32 6 36 6 43 6 51 6 53 6 58 6 65 6 70 7 99 8 06 8 11 TC 48 5 49 2 50 3 50 8 50 3 50 8 51 3 51 9...

Page 22: ...1 56 Performance data Heating operation at rated frequency 24K outdoor unit matches 24K indoor unit Airflow CFM ID OD 600 60 70 75 80 800 60 70 75 80 1000 60 70 75 80 TC 28 3 28 3 28 2 28 2 28 1 27 1 24 9 23 0 21 4 21 4 20 1 19 2 18 0 16 7 15 6 14 6 kW 1 64 1 75 1 90 2 06 2 23 2 24 2 16 2 08 2 02 2 23 2 17 2 11 2 00 1 99 1 93 1 89 TC 21 9 21 7 21 9 21 8 21 6 21 5 21 5 21 5 21 0 21 0 19 6 19 0 17 7...

Page 23: ...rformance data Heating operation at rated frequency 36K outdoor unit matches 36K indoor unit Airflow CFM ID OD 600 60 70 75 80 800 60 70 75 80 1000 60 70 75 80 TC 43 0 43 0 42 9 42 9 42 8 41 2 37 9 35 0 32 5 32 6 30 6 29 3 27 4 25 4 23 7 22 1 kW 2 62 2 80 3 04 3 30 3 56 3 58 3 45 3 33 3 24 3 56 3 46 3 37 3 30 3 19 3 09 3 03 TC 33 2 33 0 33 2 33 1 32 8 32 7 32 7 32 7 32 0 32 0 29 8 28 8 26 9 25 0 2...

Page 24: ...25 1 23 3 kW 2 15 2 27 2 45 2 61 2 83 3 04 3 24 3 52 3 74 4 08 4 38 4 63 4 50 4 39 4 26 4 16 Airflow CFM ID OD 1360 60 70 75 80 1560 60 70 75 80 1760 60 70 75 80 TC 56 6 56 6 56 4 56 4 56 3 54 2 49 8 46 1 42 8 42 9 40 3 38 5 36 0 33 4 31 2 29 1 kW 3 49 3 73 4 05 4 39 4 74 4 77 4 60 4 44 4 31 4 74 4 61 4 48 4 40 4 24 4 12 4 04 TC 43 7 43 4 43 7 43 6 43 2 43 0 43 0 43 0 42 1 42 1 39 2 37 9 35 3 32 8...

Page 25: ... 6 32 3 29 9 kW 2 25 2 39 2 59 2 80 3 00 3 26 3 50 3 88 4 12 4 38 4 71 5 09 5 49 5 99 5 97 5 81 Airflow CFM ID OD 1360 60 70 75 80 1560 60 70 75 80 1760 60 70 75 80 TC 56 6 56 6 56 4 56 4 56 3 54 2 49 8 46 1 42 8 42 9 40 3 38 5 36 0 33 4 31 2 29 1 kW 3 40 3 64 3 95 4 27 4 62 4 65 4 48 4 32 4 20 4 62 4 49 4 37 4 20 4 13 4 01 3 93 TC 43 7 43 4 43 7 43 6 43 2 43 0 43 0 43 0 42 1 42 1 39 2 37 9 35 3 3...

Page 26: ...nce H Add Refrigerant exceed 25ft 7 6m 24K 164ft 50m 98ft 30m 0 38 oz ft 35 g m 36K 246ft 75m 98ft 30m 0 38 oz ft 35 g m 48K 60K 246ft 75m 98ft 30m 0 60 oz ft 56 g m 9 52 3 8 12 7 1 2 15 88 5 8 19 05 3 4 Gas Diameter 90 Elbow 0 15 0 2 0 25 0 35 0 40 mm inch 22 22 7 8 Cooling EL ft m Model 25 7 6 38 10 50 15 75 23 100 30 125 38 150 45 164 50 200 61 246 75 24K 1 00 0 95 0 93 0 89 0 85 0 81 0 78 0 75...

Page 27: ...it is higher correction should be applied to cooling capacity if outdoor unit is lower correction should be applied to heating capacity 5 3 Correction factors according to defrosting operation The heating capacity in the previous part excludes the condition of defrosting operation period In consideration of defrosting operation the heating capacity is corrected by the equation below Corrected heat...

Page 28: ...tom of the unit 3 28ft 1 0m above the ground Model 48K 60K Test condition 3 28ft 1 0m in front of the unit 3 28ft 1 0m above the bottom of the unit Total octave band sound level dB total sound level C Octave band center frequency Hz NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 NC 70 10 20 30 40 50 60 70 80 90 63 125 250 500 1k 2k 4k 8k NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45...

Page 29: ...f components 1 Compressor 8 2 9 3 10 4 11 5 12 6 7 Outdoor heat exchanger Coil temperature sensor One way valve Ambient temperature sensor Electronic expansion valve Stop valve Liquid Stopv valve Gas Pressure sensor Discharge temperature sensor 4 Way valve 1 2 3 4 5 6 7 8 9 10 11 12 P Strainer 25 ...

Page 30: ...at exchanger Coil temperature sensor Defrost temperature sensor Ambient temperature sensor Electronic expansion valve Stop valve Liquid Stopv valve Gas Discharge temperature sensor Suction temperature sensor 4 Way valve Pressure sensor Strainer One way valve 14 15 LP Low pressure switch 16 Cooling cycle Heating cycle 26 ...

Page 31: ...0423 D 24K 36K S4 DIP switch setting S5 DIP switch setting DIP Switch Setting of Outdoor Unit Turn on the power before setting the DIP switch Without turning on the swithes do not work and the content of the setting are invalid Mark of indicates the position of DIP switches Capacity Hi Low 27 ...

Page 32: ...8 WIRING DIAGRAM Electric wiring diagram 2153502 D 48K 60K DIP Switch Setting of Outdoor Unit DIP switches S4 DIP switch setting S5 DIP switch setting Capacity Hi Low 28 ...

Page 33: ...erature Sensor 18 GND 6 Discharge Temperature Sensor 19 Reactor L2 7 Overheat Protector 20 Reactor L1 8 Electronic Expansion Valve 21 Rectifier Bridge 9 High Pressure 22 IGBT 10 SW 23 Diode 11 Computer Checker 24 IPM 12 4 way Valve 25 Radiator 13 Electric Heating Belt 24K 36K Main control board 23 24 25 26 1 2 21 3 20 4 56 7 8 19 9 10 11 15 16 12 13 17 18 14 22 Communication Signal 26 29 ...

Page 34: ...AGRAM 7 Segment display board NO Description NO Description 1 Computer Checker to Outdoor Control Board 5 S2 Select Button 2 7 Segment Display 6 DIP Switch 3 S3 Decrease Button 4 S1 Increase Button 6 5 4 3 2 1 30 ...

Page 35: ...2 EEPROM 3 IPM SI 13 PTC Control Signal 4 Defrost Coil Temperature Sensor 14 H Signal 5 Pressure Sensor 15 Communication Signal 6 Discharge Temperature Sensor 16 Electric Heating Belt 7 Ambient Temperature Sensor 17 Electric Heating Belt 8 High Pressure Switch 18 4 way Valve 9 Low Pressure Switch 19 Base Heater 10 Electronic Expansion Valve 20 AC Power 31 S4 S5 S1 S2 S3 ...

Page 36: ...M 1 2 3 4 5 6 7 11 10 9 8 Drive board NO Description NO Description 1 DC Fan Drive Signal 7 Reactor L2 2 IPM SI 8 Compressor W 3 EE 9 Compressor U 4 NIN 10 Compressor V 5 LIN 11 DC Fan 1 6 Reactor L1 32 12 12 DC Fan 2 ...

Page 37: ...8 WIRING DIAGRAM Filter board NO Description NO Description 1 N Out 4 LIN 2 PTC Control Signal 5 NIN 3 L Out 5 4 3 1 2 33 ...

Page 38: ...rrent A REFER TO NAMEPLATE NOTE 1 Follow local codes and regulations when selecting ﬁeld wires and all the above are the minimum wire size 2 When transmitting cable is longer than 262ft 80m a larger wire size should be selected 3 Install main switch and ELB for each system separately Select the high response type ELB that is acted within 0 1 second 4 If auxiliary heater is required and already ins...

Page 39: ...ing opening Outdoor unit fan will run with the set fan speed Operation procedures Step 1 Press the ON OFF button to power off the appliance Step 2 Disconnect the machine power Step 3 Close the shut off valve of the liquid piping with an Allen wrench in a clockwise direction Outdoor unit model Indoor unit connect 24K 18K 36K 30K 48K 42K 60K 48K DIP Switch Setting of Outdoor Unit Optional setting 1 ...

Page 40: ...the LED digital tube of outdoor unit count down to 0 40 39 38 0 and 0 begins to blink close the shut off valve of the gas piping with an Allen wrench in a clockwise direction Step 9 Cut off machine power and the procedure for recovering refrigerant is finished NOTE Be sure to switch back the dial after refrigerant recovery operation If not it will enter refrigerant recovery mode again after power ...

Page 41: ...here are 3 buttons on the digital display board 1 Select button Select to display outdoor indoor unit parameter P Parameter of outdoor unit 2 INCREASE button Each time it is pressed the number rises by 1 3 DECREASE button Each time it is pressed the number lowers by 1 The parameter content will be automatically displayed after the parameter code is selected for 3s S1 S2 S3 37 ...

Page 42: ...ement Outdoor DC Motor target speed AC input current AC input voltage DC bus voltage Compressor phase current Frequency limit code Target suction overheating Target exhaust overheating Actual suction overheating heating Actual exhaust overheating heating Parameters can be checked in the following table below Parameter code Descriptions P 0 P 1 P 2 P 4 P 5 P 6 P 7 P 8 P 9 P 10 P 11 P 13 P 14 P 15 P...

Page 43: ... coil temperature P 22 Outdoor defrost temperature P 23 Suction temperature P 24 Discharge temperature H 1 DSH actual value H 2 DSH target value H 3 Target pressure in cooling mode Actual pressure the displayed value 100 H 4 Target pressure in heating mode Actual pressure the displayed value 100 H 5 Actual pressure Actual pressure the displayed value 100 48K 60K There are 3 buttons on the digital ...

Page 44: ...pressor the slope is about 1 200 to1 250 3 In order to ensure better cooling heating performance the refrigerant piping should be as short and straight as possible 10 2Oil trap When the indoor unit is lower than outdoor unit and height difference is larger than 5m set an oil trap every 5m height difference on suction piping NOTE Oil trap Slope 1 200 1 250 Slope 1 200 1 250 Pipe length L Height dif...

Page 45: ... tight procedure 10 4 Additional refrigerant charge Although refrigerant has been charged into this unit additional refrigerant charge is required according to the piping length The additional refrigerant precharge quantity should be determined and charged into the system according to the following procedure Record the additional refrigerant quantity in order to facilitate maintenance and servicin...

Page 46: ...able Use socket for connecting tube Expanding Tubes Torque Wrench For φ1 2 φ5 8 spanner size is up 2mm Connection of Flare Nut Forφ1 4 φ3 8 φ3 4 spanner size is the same Brazing Tool Perform correct brazing work Brazing for Tubes Nitrogen Gas Strict Control against Contamin Blow nitrogen during brazing Prevention from Oxidation during Brazing Lubrication Oil for Flare Surface Use a synthetic oil w...

Page 47: ... indoor unit and outdoor unit Indoor unit installation Electrical wiring Drain piping installation Duct installation Refrigerant piping installation Heat insulation Outdoor unit installation Vacuum pumping and leakage detection Additional refrigerant charge Test run NOTE This flow is only for reference for details please see installation manual section 43 ...

Page 48: ...ture is too high compressor provides automatic protection 4 Oil return Control When the compressor runs at low frequencies for a long time control system will start the oil return mechanism The oil in the system returns to the compressor 5 Operation Mode Air conditioning mode is the operation mode set by users through thermostat two modes are available cooling heating 6 Four way Valve Control Four...

Page 49: ...97 350 8019 375 2461 6 88 6 51 11 309 6286 332 3441 355 3104 6 83 6 46 10 293 5903 314 9620 336 5448 6 79 6 41 9 278 4719 298 5822 318 3744 6 74 6 22 8 264 2156 283 1464 302 2294 6 69 6 31 7 250 7678 268 5936 286 5448 6 64 6 26 6 238 0783 254 8686 271 7603 6 59 6 22 5 226 1003 241 9200 257 8193 6 54 6 17 4 214 7903 229 6997 244 6593 6 49 6 11 3 204 1073 218 1630 232 2612 6 44 6 07 2 194 0135 207 2...

Page 50: ...27 1342 28 3306 4 44 4 22 44 24 9277 26 0755 27 2150 4 40 4 19 45 23 9697 25 0632 26 1488 4 36 4 15 46 23 0530 24 0950 25 1293 4 32 4 12 47 22 1757 23 1688 24 1545 4 29 4 08 48 21 3360 22 2826 23 2221 4 25 4 05 49 20 5321 21 4345 22 3301 4 21 4 01 50 19 7623 20 6226 21 4766 4 17 3 98 51 19 0261 19 8468 20 6612 4 14 3 94 52 18 3211 19 1040 19 8808 4 10 3 91 53 17 6458 18 3926 19 1338 4 06 3 87 54 1...

Page 51: ...7 2 53 2 47 100 3 6758 3 7700 3 8643 2 50 2 44 101 3 5661 3 6585 3 7512 2 53 2 47 102 3 4601 3 5509 3 6419 2 56 2 50 103 3 3577 3 4468 3 5362 2 59 2 53 104 3 2588 3 3463 3 4341 2 61 2 56 105 3 1632 3 2491 3 3353 2 64 2 58 106 3 0708 3 1551 3 2398 2 67 2 61 107 2 9816 3 0643 3 1475 2 70 2 64 108 2 8953 2 9765 3 0582 2 73 2 67 109 2 8118 2 8915 2 9717 2 76 2 70 110 2 7311 2 8093 2 8881 2 78 2 73 111...

Page 52: ... 10 23 03 23 61 24 19 2 46 2 40 9 21 99 22 53 23 06 2 40 2 30 8 21 01 21 51 22 00 2 32 2 23 7 20 08 20 54 20 99 2 24 2 14 6 19 19 19 62 20 04 2 19 2 10 5 18 35 18 74 19 14 2 08 2 09 4 17 55 17 92 18 29 2 06 2 02 3 16 78 17 13 17 48 2 04 2 00 2 16 06 16 38 16 71 1 95 1 97 1 15 36 15 67 15 98 1 98 1 94 0 14 70 15 00 15 29 2 00 1 90 1 14 08 14 36 14 64 1 95 1 91 2 13 48 13 75 14 02 1 96 1 93 3 12 91 ...

Page 53: ...3 47 2 389 2 525 2 669 5 39 5 40 48 2 309 2 443 2 583 5 49 5 42 49 2 232 2 363 2 500 5 54 5 48 50 2 158 2 286 2 421 5 60 5 58 51 2 087 2 212 2 344 5 65 5 63 52 2 018 2 140 2 269 5 70 5 69 53 1 952 2 072 2 198 5 79 5 73 54 1 888 2 005 2 129 5 84 5 82 55 1 827 1 941 2 062 5 87 5 87 56 1 767 1 880 1 998 6 01 5 91 57 1 710 1 820 1 936 6 04 5 99 58 1 655 1 763 1 876 6 13 6 02 59 1 602 1 707 1 818 6 15 ...

Page 54: ... 0 6179 8 21 8 16 97 0 5064 0 5519 0 6014 8 24 8 23 98 0 4923 0 5369 0 5853 8 31 8 27 99 0 4787 0 5224 0 5698 8 37 8 32 100 0 4655 0 5083 0 5547 8 42 8 36 101 0 4528 0 4946 0 5401 8 45 8 42 102 0 4404 0 4814 0 5259 8 52 8 46 103 0 4284 0 4685 0 5121 8 56 8 51 104 0 4168 0 4561 0 4988 8 62 8 56 105 0 4056 0 4440 0 4859 8 65 8 62 106 0 3947 0 4323 0 4733 8 70 8 66 107 0 3841 0 4210 0 4611 8 76 8 70 ...

Page 55: ...and outlet have been blocked Remove obstacles Poor cooling heating 1 The outdoor heat exchanger is dirty such as condenser 2 There are heating devices indoors 3 The airtightness is not enough and people come in and out too frequently 4 Block of outdoor heate xchanger 5 1 Clean the heat exchanger of the outdoor unit such as condenser 2 Remove heating devices 3 Keep certain air tightness indoors 4 R...

Page 56: ...e main control fault code When LED3 is on LED1 and LED 2 indicate drive control fault code When LED3 is flickering and LED1 LED 2 are all off it indicates the compressor is preheating Failures display with 5s interval It means LED will be off for 5s to report the next fault code System protection codes display method is the same with main control fault code LED lamps will be off when there is no f...

Page 57: ...w failure occur Display ERROR code LED1 Drive failure indicator Drive fault code display The lamp of drive board flashing shows failure occurs How many times the drive failure lamp flicker will show the failure code 48K 60K Main control fault display Fault code will be displayed by 7 segment display on main control board 53 ...

Page 58: ...rd components 3 Reassemble the EE components 5 Cooling freezing protection the indoor coil temperature is too low or heating overload indoor coil temperature is too high 1 2 The indoor unit can not blow air normally The room temperature is too low in cooling mode or the room temperature is too high in heating 3 The filter is dirty 4 The duct resistance is too high to resulting in low air flow 5 Th...

Page 59: ...ce the low pressure switch 3 Check the welding point to confirm whether the unit leaks and add some refrigerant 4 Replace the expansion valve 5 Replace the outdoor control board Applied to models with low pressure switch or pressure sensor 16 Overload protection in cooling mode System overload Please refer to NOTE 3 17 Discharge temperature sensor fault 1 The wiring of the discharge tempe rature s...

Page 60: ... unit turn off due to the IPM board over heating fault 1 The outdoor ambient temp is too high 2 The speed of the out fan motor is too low if the fan motor is AC fan motor 3 The outdoor unit is not installed in accordance with the standard 4 The supply power is too low 1 Normal protection 2 Check the fan capacitor and replace the fan capacitor if it is a failure 3 Reinstalled the outdoor unit refer...

Page 61: ... as condenser 5 The speed of the outdoor fan motor is too low Check the outdoor fan motor and fan capacitor 6 The outdoor fan is broken or the outdoor fan is blocked Check the outdoor fan 7 The air inlet and outlet have been blocked Remove the obstructions 8 The expansion valve or the capillary fails Replace the expansion valve or the capillary NOTE 4 Over load in heating mode Overload in heating ...

Page 62: ... AD offset abnormal detected failure Driver board fails Change the driver board 16 Inverter PWM logic set fault 17 Inverter PWM initialization failure 18 PFC_PWM logic set fault 19 PFC_PWM initialization fault 20 Temperature abnormal 21 Shunt resistance unbalance adjustment fault 22 Communication failure 1 Communication wire connection is not proper 2 Driver board fails 3 Control board fails 1 Che...

Page 63: ...ge overload voltage 1 Supply voltage input is too high 2 Driver board fault 1 Check power supply 2 Change the driver board 9 AC voltage imbalance Driver board fails Change the driver board 10 The PFC current detection circuit fault before compressor is ON Bad driver board components Change the driver board 11 AC voltage supply in outrange 1 Power supply abnormal power frequency out of range 2 Driv...

Page 64: ...18 Driver board read EE data error 1 EEPROM has no data or data error 2 EEPROM circuit fault 1 Change EEPROM component 2 Change the driver board 19 PFC chip receives data fault Abnormal communication loop Change the drive board 20 PFC soft start abnormally Abnormal PFC drive loop Change the drive board 21 The compressor drive chip could not receive data from PFC chip Communication loop fault Chang...

Page 65: ... the low side Recharge refrigerant after air purging with the vacuum pump Is the low pressure normal over again Air remains at the refrigerant system yes The system needs refrigerant The service people must add refrigerant Does the low pressure rise NO Recharge refrigerant yes The refrigerant system is blocked Please check the Capillary Tube or electronic expansion valve Is it blocked Unsolder the...

Page 66: ...e in heating mode NO Recharge refrigerant yes If the pressure is close to static pressure 4 way valve collude or compressor exhaust every ebb yes Check heat exchanger and 4 way valve NO The capillary tube is blocked Unsolder the capillary tube ASS Y The capillary tube1 and capillary tube2 is blown by N2 NO Remove the back panel see the capillary tube1 and capillary tube2 Is it defrosting yes NO 15...

Page 67: ...ompressor in your air conditioner rapidly after removing the plugs Don t place the comp in air for a long time 3 Avoid compressor running in reverse caused by connecting electrical wire incorrectly 4 Warning In case AC voltage is impressed to compressor the compressor performance will decrease because of its rotor magnetic force decreasing 3 Inductance Familiar error 1 Sound abnormality 2 Insulati...

Page 68: ...ltage free Step Illustration Handling Instruction 1 Remove external casing 1 Remove the top cover handle and valve cover 2 Remove the outer case and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remove the motor from motor supporter 3 Remove compressor 1 Reclaim the refrigerant from the entire system 2 Unsolder the 4 way valve piping assy from compressor 3 Remo...

Page 69: ...ove the top cover handle and valve cover 2 Remove the outer case and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remove the motor from motor supporter 3 Remove compressor 1 Reclaim the refrigerant from the entire system 2 Unsolder the 4 way valve piping assy from compressor 3 Remove the compressor mounting bolts 4 Carefully remove the compressor from chassis ...

Page 70: ... Remove motor 1 Remove the blade nut and then remove the blade 2 Remove the motor from motor supporter 3 Remove gas liquid separator 1 Reclaim the refrigerant from the entire system 2 Unsolder the 4 way valve piping assy from gas liquid separator 3 Remove the gas liquid separator 4 Remove compressor 1 Reclaim the refrigerant from the entire system 2 Unsolder the 4 way valve piping assy from compre...

Page 71: ...l and B C is low level 2 Stopping operating Stopping conditions When low level compressor signal is received from the thermostat that is Y C is low level Actions The compressor keeps operating with its current frequency and detects its system pressure at the same time a If the pressure changes more than 0 04MPa e2 in 10 seconds the compressor stops operating b If the pressure changes less than 0 0...

Page 72: ...e downer fan speed is lower than the upper fan speed for 30rpm 60rpm 17 3 Heating Mode 1 Start conditions When high level compressor signal and high level 4 way valve signal are received from the thermostat that is both Y C and and B C are low level 2 Stopping operating in heating mode Stopping conditions When low level compressor signal and low level 4 way valve signal are received from the therm...

Page 73: ...y increases when the target pressure is reached the compressor frequency will keep stable Outdoor fan running rules Once the outdoor fan starts up it will follow the rules below Single outdoor fan First it will run in an invariable speed for a short time Then it will regulate the speed by the saturation temperature which is got from high pressure cycling Double outdoor fan If it has two outdoor fa...

Page 74: ...il temp T3 keeps higher than T2 for 10 seconds the compressor and outdoor fan will shut off When T3 is lower than T1 the compressor and outdoor fan will restart up Condition2 Heating mode When the saturation temperature which is got from high pressure cycling T3 keeps higher than T2 for 10 seconds the compressor and outdoor fan will shut off When T3 is lower than T1 the compressor and outdoor fan ...

Page 75: ...e for convenient ordering at www highseer com www pioneerminisplit com Scan the below code to visit our support page where you can find more installation materials Copyright 2022 Parker Davis HVAC International Inc All rights reserved The design and specifications of this product are subject to change without prior notice as development continues Consult with the sales agency or manufacturer for d...

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