Application Guide

ManualsBrandsPIONEER Air Conditioner ManualsAir ConditionersPIONEER Air Conditioner Pioneer Mini Split Heat Pump Minisplit Heatpump 12000 BTU-208/230 V

RevisionA:151110001,Contentupdated.

ModelNumbers:

17SEERFamily:  WYS009AMFI17RL,  WYS012AMFI17RL,  WYS009GMFI17RL,  WYS012GMFI17RL,

WYS018GMFI17RL,  WYS024GMFI17RL,  WYS030GMFI17RL,  WYS036GMFI17RL

22SEERFamily:  WYS009AMFI22RL,  WYS012AMFI22RL,  WYS009GMFI22RL,  WYS012GMFI22RL,

WYS018GMFI22RL,  WYS024GMFI22RL

WYS SERIES SPLIT 3D DC INVERTER

HEAT PUMP / AIR CONDITIONER

SERVICE MANUAL

Table of Contents

1. Precaution

2. Part Names And Functions

3. Dimension

4. Refrigerant Cycle Diagram

5. Printed Circuit Board Connector Wiring Diagram of

Outdoor unit

6. Installation Details

7. Operation Characteristics

8. Electronic Function

9. Troubleshooting

10. Disassembly Instructions

WARNING

 Installation MUST conform with local building codes or, in the absence of local codes, with the

National Electrical Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical

Code Part1 CSA C.22.1.

 The information contained in the manual is intended for use by a qualified service technician

familiar with safety procedures and equipped with the proper tools and test instruments

 Installation or repairs made by unqualified persons can result in hazards to you and others.

 Failure to carefully read and follow all instructions in this manual can result in equipment

malfunction, property damage, personal injury and/or death.

 This service is only for service engineer to use.

Only22SEERMODELS

Summary of content (53 pages)

PAGE 1
z WYS SERIES SPLIT 3D DC INVERTER HEAT PUMP / AIR CONDITIONER SERVICE MANUAL Revision A: 151110001, Content updated. Model Numbers: 17 SEER Family: WYS018GMFI17RL, 22 SEER Family: WYS018GMFI22RL, WYS009AMFI17RL, WYS012AMFI17RL, WYS009GMFI17RL, WYS012GMFI17RL, WYS024GMFI17RL, WYS030GMFI17RL, WYS036GMFI17RL WYS009AMFI22RL, WYS012AMFI22RL, WYS009GMFI22RL, WYS012GMFI22RL, WYS024GMFI22RL Table of Contents 1. Precaution 2. Part Names And Functions 3. Dimension 4. Refrigerant Cycle Diagram 5.
PAGE 2
CONTENTS 1. Precaution ..................................................................................................................................................1 1.1 Safety Precaution ....................................................................................................................... 1 1.2 Warning ...................................................................................................................................... 1 2. Part Names And Functions ...................
PAGE 3
especially careful of the case edges and the fins on the condenser and evaporator. 1. Precaution  For installation, always contact the dealer or an authorized service center.  Do not install the product on a defective installation stand.  Be sure the installation area does not deteriorate with age. If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. 1.
PAGE 4
 Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. There is risk of property damage, failure of product, or electric shock. product. It can avoid vibration of water leakage.  Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) There is risk of physical injury, electric shock, or product failure.
PAGE 5
the product.  Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury.  Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries. There is risk of fire or explosion.  Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire. They may burn of explode.
PAGE 6
2. Part Names And Functions 2.
PAGE 7
2.
PAGE 8
3. Dimension 3.1 Indoor Unit Indoor Unit Model WS009AMFI17HLD WS009GMFI17HLD WS012AMFI17HLD WS012GMFI17HLD WS009AMFI22HLD WS009GMFI22HLD WS012AMFI22HLD WS012GMFI22HLD WS018GMFI17HLD WS024GMFI17HLD WS018GMFI22HLD WS024GMFI22HLD WS030GMFI17HLD WS036GMFI17HLD WxDxH (mm) WxDxH (inch) Mounted plate 722x187x290 28.43x7.36x11.42 A 802x189x297 31.57x7.44x11.69 B 965x215x319 37.99x8.46x12.56 C 1080x226x335 42.52x8.90x13.19 D 1259x282x362 49.57x11.10x14.
PAGE 9
For Mounted plate A， For Mounted plate B， For Mounted plate C， 7
PAGE 10
For Mounted plate D， For Mounted plate E， 8
PAGE 11
3.2 Outdoor Unit More than 30cm(11.8in) More than 30cm(11.8in) More than 60cm(23.6in) ︶ (Service space Fe n o b ce o sta r cle s More than 60cm(23.6in) More than 70cm(27.6in) Note: The above drawing is only for reference. The appearance of your units may be different. Outdoor Unit Model W D H W1 A B YN009AMFI17RPD YN009GMFI17RPD YN012AMFI17RPD 770(mm) 300(mm) 555(mm) 823(mm) 530(mm) 290(mm) 30.31(inch) 11.81(inch) 21.85(inch) 32.40 (inch) 20.87(inch) 11.
PAGE 12
4. Refrigerant Cycle Diagram WYS009AMFI17RL, WYS012AMFI17RL, WYS009GMFI17RL, WYS012GMFI17RL, WYS018GMFI17RL, WYS024GMFI17RL, WYS009AMFI22RL, WYS012AMFI22RL INDOOR OUTDOOR CHECK VALVE (Heating Model only) LIQUID SIDE 2-WAY VALVE CAPILIARY TUBE HEAT EXCHANGE (EVAPORATOR) HEAT EXCHANGE (CONDENSER) T1 Room temp. sensor T2 Evaporator temp.
PAGE 13
WYS009GMFI22RL, WYS012GMFI22RL, WYS018GMFI22RL, WYS024GMFI22RL, WYS030GMFI17RL, WYS036GMFI17RL INDOOR OUTDOOR LIQUID SIDE Electronic CAPILIARY TUBE expansion valve CAPILIARY TUBE 2-WAY VALVE HEAT EXCHANGE (EVAPORATOR) T3 Condenser temp. sensor HEAT EXCHANGE (CONDENSER) T4 Ambient temp. sensor T1 Room temp. sensor T2 Evaporator temp. sensor GAS SIDE 3-WAY VALVE 4-WAY VALVE Accumulator Compressor T5 Discharge temp.
PAGE 14
5. Wiring Diagram (Pls refer the wiring diagram on the unit) 6.3 Pipe length and the elevation 6 Installation Details Pipe size 6.1 Wrench torque sheet for installation Models Gas Liquid 3/8in 1/4in (Ф9.52mm) (Ф6.35mm) 1/2in 1/4in (Ф12.7mm) (Ф6.35mm) Additional tightening Outside diameter Torque 9K torque Ф6.35mm 1/4in 1500N.cm(153kgf.cm) 1600N.cm(163kgf.cm) 12K,18K Ф9.52mm 3/8in 2500N.cm(255kgf.cm) 2600N.cm(265kgf.cm) 24K,30K,36K Ф12.7mm 1/2in 3500N.cm(357kgf.cm) 3600N.
PAGE 15
7) Turn the flare nut of the 3-way valves about 45° counterclockwise for 6 or 7seconds after the gas coming out, then tighten the flare nut again. Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure. Then remove the charge hose from the 3 way valve. 8) Fully open the 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve. between indoor and outdoor units must be leak tested and evacuated to remove gas and moisture from the system.
PAGE 16
cylinder, and set the 2-way and 3-way valves to the open position. Be sure to use a hexagonal wrench to operate the valve stems. 7). Mount the valve stems nuts and the service port cap. Be sure to use a torque wrench to tighten the service port cap to a torque 18N·m. Be sure to check the gas leakage. immediately and turn off the air conditioner before disconnecting the hose. 7). Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N.m.
PAGE 17
Use a torque wrench to tighten the 3-way valves service port cap to a torque of 18N.m. Be sure to check for gas leakage. Be sure to check the gas leakage. 6.7 Re-installation while the outdoor unit need to be repaired 2. Air purging by the refrigerant 1. Evacuation for the whole system Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the closed position. 2).
PAGE 18
Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge. 2). Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant). 3) Put the charging cylinder onto the electronic scale and record the weight. 4).
PAGE 19
7.
PAGE 20
8. Electronic Function aplicable). 8.1 Abbreviation Dispalys ‘ T1: Indoor room temperature aplicable). T2: Coil temperature of evaporator T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature ’ under 8℃ heating operation (if When ECO function(optional) is actived,the “ illuminates gradually one by one as In one second interval. 8.2 Display function 8.2.1 Icon explanation on indoor display board.
PAGE 21
and no setting temperature is displayed. (3) Indoor fan can be set to high/med/low/auto. (4) The louver operates same as in cooling mode. (5) Auto fan: 8.3.1 Three minutes delay at restart for compressor 1 minute delay for the 1st time stand-up and 3 minutes delay for others. 8.3.2 Temperature protection of compressor top The unit will stop working when the compressor top temp. protector cut off, and will restart after the compressor top temp. protector restart. T1 a b 8.3.
PAGE 22
the speed can be selected as high, medium, low and auto. The indoor fan is controlled as below: Setting fan T1-Td ℃(°F) speed H-（H-=H-G) M-(M-=M-Z) L+(L+=L+D) L(L=L) G H I L When T1-Ts>-ΔT, the compressor will stop, when T1-TS<ΔT-1.5，the compressor will be on. ΔT is the programmed parameter of temperature compensation. When the AC run in mute mode, the compressor will run with low frequency.
PAGE 23
between 17°C~30°C In auto mode, the machine will choose cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts). T1 a b c d e 8.4.3.4 Defrosting mode AC will enter the defrosting mode according to the value of temp. of T3 and the value range of temp. change of T3 and also the compressor running time.
PAGE 24
8.4.7.4 Timer on/off. The machine will turn on automatically when reaching the setting “on” time, and then turn off automatically when reaching the setting “off” time. 8.4.7.5 Timer off/on. The machine will turn off automatically when reaching the setting “off” time, and then turn on automatically when reaching the setting “on” time. 8.4.7.6 The timer function will not change the AC current operation mode. Suppose AC is off now, it will not start up firstly after setting the “timer off” function.
PAGE 25
results from pressing the FOLLOW ME button on remote controller, the buzzer will emit a sound and this indicates the follow me function is initiated. But when the indoor PCB receives signal which sent from remote controller every 3 minutes, the buzzer will not respond.
PAGE 26
stop. Reserve A0 Reserve A1 Reserve 0 Reserve 1 Reserve 2 Reserve 3 Reserve 4 Reserve 5 Reserve 6 Reserve L Reserve A Reserve U Reserve T When the AC enter into the information enquiry status, it will display the code value in the next 25s, the details are as follows. Enquiry Display value Meaning Remark T1,T2,T3,T4, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,- 1. All the displaying temperature is actual T2B,TP,TH, 1b,-1A 20 Targeted -19—99 -19—99 2.
PAGE 27
multiply 2. Compressor 0-FF 0-255 minutes If the actual value exceeds the continuous range, it will display the maximum running time value or minimum value. Causes of 0-99 For the detailed Decimal display compressor meaning, please stop.
PAGE 28
9. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, terminals of the electrolytic capacitor on the contrary side of the outdoor PCB. Note: The picture above is only for reference. The plug of your side may be different.
PAGE 29
9.
PAGE 30
9.2 Outdoor unit error display(TBD) 9.3 Diagnosis and Solution 9.3.1 EEPROM parameter error diagnosis and solution(E0/F4) Error Code E0/F4 Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes ● Installation mistake ● PCB faulty Trouble shooting: Power off , then restart the unit 2 minutes later. Yes Replace the indoor /outdoor main PCB.
PAGE 31
9.3.2 Indoor / outdoor unit’s communication diagnosis and solution(E1) Error Code E1 Malfunction decision Indoor unit does not receive the feedback from outdoor unit conditions during 110 seconds and this condition happens four times continuously.
PAGE 32
Remark: Use a multimeter to test the DC voltage between 2 port and 3 port of outdoor unit. The red pin of multimeter connects with 2 port while the black pin is for 3 port. When AC is normal running, the voltage will move alternately between -50V to 50V. If the outdoor unit has malfunction, the voltage will move alternately with positive value. While if the indoor unit has malfunction, the voltage will be a certain value.
PAGE 33
9.3.3 Zero crossing detection error diagnosis and solution (E2) Error Code E2 Malfunction decision When PCB does not receive zero crossing signal feedback for 4 conditions minutes or the zero crossing signal time interval is abnormal.
PAGE 34
9.3.4 Fan speed has been out of control diagnosis and solution(E3) Error Code E3 Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure.
PAGE 35
Index 1: 1:Indoor or Outdoor DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced. DC motor voltage input and output(voltage: 220-240V~) NO. Color Signal Voltage 1 Red Vs/Vm 280V~380V 2 --- --- --- 3 Black GND 0V 4 White Vcc 14-17.5V 5 Yellow Vsp 0~5.
PAGE 36
9.3.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5) Error Code E4/E5/F1/F2/F3 Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes ● Wiring mistake ● Sensor faulty Trouble shooting: Check the connection between temperature sensor and PCB.
PAGE 37
9.3.6 Refrigerant Leakage Detection diagnosis and solution(EC) Error Code EC Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 ＜Tcool－2°C(Tcool－35.6°F) does not keep continuous 4 seconds and this situation happens 3 times, the display area will show “EC” and AC will turn off.
PAGE 38
9.3.6 Overload current protection diagnosis and solution(F0) Error Code F0 Malfunction decision An abnormal current rise is detected by checking the specified conditions current detection circuit. Supposed causes ● Power supply problems.
PAGE 39
9.3.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution(P0) Error Code P0 Malfunction decision When the voltage signal that IPM send to compressor drive chip conditions is abnormal, the display LED will show “P0” and AC will turn off.
PAGE 40
For example: Note: The photos below are only for reference, it’s may be not same totally with the ones on your side.
PAGE 41
P-W N-U 39
PAGE 42
N-V N-W 40
PAGE 43
9.3.8 Over voltage or too low voltage protection diagnosis and solution(P1) Error Code P1 Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes ● Power supply problems. ● System leakage or block ● PCB faulty Trouble shooting: Remark: Measure the DC voltage between P and N port. The normal value should be around 310V.
PAGE 44
9.3.9 High temperature protection of compressor top diagnosis and solution(P2) Error Code P2 Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes ● Power supply problems.
PAGE 45
9.3.10 Inverter compressor drive error diagnosis and solution(P4) Error Code P4 Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on.
PAGE 46
Main parts check 1. Temperature sensor checking 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 temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
PAGE 47
Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (°C--K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm -20 -4 115.266 20 68 12.6431 60 140 2.35774 100 212 0.62973 -19 -2 108.146 21 70 12.0561 61 142 2.27249 101 214 0.61148 -18 0 101.517 22 72 11.5 62 144 2.19073 102 216 0.59386 -17 1 96.3423 23 73 10.9731 63 145 2.11241 103 217 0.57683 -16 3 89.5865 24 75 10.4736 64 147 2.03732 104 219 0.56038 -15 5 84.
PAGE 48
Appendix 2 Temperature Sensor Resistance Value Table for T5 (°C --K) °C °F K Ohm °C °F °C K Ohm °F K Ohm °C °F K Ohm -20 -4 542.7 20 68 68.66 60 140 13.59 100 212 3.702 -19 -2 511.9 21 70 65.62 61 142 13.11 101 214 3.595 -18 0 483 22 72 62.73 62 144 12.65 102 216 3.492 -17 1 455.9 23 73 59.98 63 145 12.21 103 217 3.392 -16 3 430.5 24 75 57.37 64 147 11.79 104 219 3.296 -15 5 406.7 25 77 54.89 65 149 11.38 105 221 3.
PAGE 49
Appendix 3: 9ΔT 5 ΔT °C °F °C °F °C °F °C °F °C °F -5 23 21 69.8 51 123.8 82 179.6 113 235.4 -4 24.8 22 71.6 52 125.6 83 181.4 114 237.2 -3 26.6 23 73.4 53 127.4 84 183.2 115 239 -2 28.4 24 75.2 54 129.2 85 185 116 240.8 -1 30.2 25 77 55 131 86 186.8 117 242.6 0 32 25.5 77.9 56 132.8 87 188.6 118 244.4 0.5 32.9 26 78.8 57 134.6 88 190.4 119 246.2 1 33.8 27 80.6 58 136.4 89 192.2 120 248 1.5 34.7 28 82.4 59 138.
PAGE 50
2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value DA110S1C-30FZ DA130M1C-31FZ DA250S2C-30MT TNB306FPGMC-L Blue - Red 0.8Ω 1.77Ω 0.55Ω 0.
PAGE 51
3. IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester (+)Red Normal resistance value N P Digital tester (+)Red (-)Black U ∞ U ∞ V (Several MΩ) V N W W Normal resistance value (-)Black (Several MΩ) (+)Red 4: Indoor AC Fan Motor Measure the resistance value of each winding by using the tester.
PAGE 52
5: Pressure On Service Port Cooling chart: °F(°C) ODT IDT 75 85 95 105 115 (23.89) (29.44) (35) (40.56) (46.11) BAR 70/59 8.2 7.8 8.1 8.6 10.1 BAR 75/63 8.6 8.3 8.7 9.1 10.7 BAR 80/67 9.3 8.9 9.1 9.6 11.2 75 85 95 105 115 (23.89) (29.44) (35) (40.56) (46.11) °F(°C) ODT IDT PSI 70/59 119 113 117 125 147 PSI 75/63 124 120 126 132 155 PSI 80/67 135 129 132 140 162 75 85 95 105 115 °F(°C) ODT (23.89) (29.44) (35) (40.56) (46.
PAGE 53
Heating Chart: ODT °F (°C) IDT 57/53 47/43 37/33 27/23 17/13 (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) (-8.33/-10.56) BAR 55 30.3 28.5 25.3 22.8 20.8 BAR 65 32.5 30.0 26.6 25.4 23.3 BAR 75 33.8 31.5 27.8 26.3 24.9 ODT °F (°C) IDT 57/53 47/43 37/33 27/23 (- 17/13 (13.89/11.67) (8.33/6.11) (2.78/0.56) 2.78/-5) (-8.33/-10.