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11.2.9 High temperature protection of IPM module diagnosis and solution (P2)

Error Code

Malfunction decision

conditions

If the temperature of IPM module is higher than limited value, the

LED will display the failure.

Supposed causes

●

IPM radiator problem

●

PCB faulty

Trouble shooting:

Yes

Tighten the screws and apply

silicon grease.

Tighten the screws and apply

silicon grease.

Replace the outdoor control PCB.

Check if the Fastening screws

on the PCB and IPM radiator

are fixed tightly.

Содержание P9VI32-09WF

Страница 1: ...SERVICE MANUAL ENGLISH MODELS P9VI32 09WF P9VO32 09 P9VI32 12WF P9VO32 12 P9VI32 18WF P9VO32 18 P9VI32 24WF P9VO32 24 WALL MOUNTED UNIT AIR CONDITIONING SYSTEMS...

Страница 2: ...system for many years 20 6 6 Re installation while the indoor unit need to be repaired 20 6 7 Re installation while the outdoor unit need to be repaired 21 7 Disassemble Guide 23 8 Wiring Diagram 29...

Страница 3: ...r electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock e...

Страница 4: ...d step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION Always check for gas refrigerant leakage after installation or repair of product Low refrigerant...

Страница 5: ...ned off Ensure that the conditions within the area have been made safe by control of flammable material 4 Checking for presence of refrigerant The area shall be checked with an appropriate refrigerant...

Страница 6: ...include that capacitors are discharged this shall be done in a safe manner to avoid possibility of sparking that there no live electrical components and wiring are exposed while charging recovering o...

Страница 7: ...hall be recovered from the system or isolated by means of shut off valves in a part of the system remote from the leak Oxygen free nitrogen OFN shall then be purged through the system both before and...

Страница 8: ...ll cylinders No more than 80 volume liquid charge i Do not exceed the maximum working pressure of the cylinder even temporarily j When the cylinders have been filled correctly and the process complete...

Страница 9: ...e Transfer Note arranged Do not mix refrigerants in recovery units and especially not in cylinders If compressors or compressor oils are to be removed ensure that they have been evacuated to an accept...

Страница 10: ...3 Model list Model Names of Indoor Outdoor Units Passion ECO Capacity Indoor units Outdoor units 9k P9VI32 09WF P9VO32 09 12k P9VI32 12WF P9VO32 12 18k P9VI32 18WF P9VO32 18 24k P9VI32 24WF P9VO32 24...

Страница 11: ...9 4 Dimension 4 1 Indoor Unit Model W D H P9VI32 09WF 717 193 302 P9VI32 12WF 805 193 302 P9VI32 18WF 964 222 325 P9VI32 24WF 1106 232 342...

Страница 12: ...10...

Страница 13: ...11...

Страница 14: ...12 4 2 Outdoor Unit M o re th a n 3 0 c m M o re th a n 6 0 c m M o re th a n 2 0 0 c m M o re th a n 3 0 c m M o re th a n 6 0 c m S e rv ic e s p a c e F e n c e o r o b s ta c le s...

Страница 15: ...13 4 8 7 W 1 7 0 W 2 2 9 8 5 5 5 3 0 0 D H 1 2 6 0 9 3 H 1 H 2 D 1 7 7 0 W 7 7 9 W 3 3 2 2 D 2 2 5 B 1 9 0 B 2 6 1 5 A 2 1 2 A 1 R 6 2 8 6 D 3...

Страница 16: ...14 8 0 0 W 5 1 4 W 1 5 5 4 6 0 8 5 5 3 4 0 1 2 0 3 1 1 8 1 5 W 3 3 6 5 3 3 3 D 7 0 W 2 H H 1 H 2 D 1 D 2 D 3 6 2 B 1 1 0 6 B 2 2 0 A 1 R 2 0 R 6 6 1 6 A 2...

Страница 17: ...15...

Страница 18: ...IQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER Compressor 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor T3 Condenser temp sens...

Страница 19: ...4 6500 663kgf cm 6700 683kgf cm 6 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross section...

Страница 20: ...12 P9VI32 24WF P9VO32 24 5 8 15 9 3 8 9 52 5 25 50 24 Caution For the R290 or R32 refrigerant model make sure the conditions within the area have been made safe by control of flammable material when...

Страница 21: ...hose of handle hi connection to the vacuum pump 4 Fully open the handle Lo of the manifold valve 5 Operate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound m...

Страница 22: ...der 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 l...

Страница 23: ...whether the compound meter indicates 0 1Mpa If the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 min...

Страница 24: ...tronic scale and record the weight 4 Open the valves Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant or...

Страница 25: ...little to loosen the fastener Step2 Pull the filter gently along the horizontal direction Step3 Pull out the filter 7 2 How to Remove the horizontal louver Step1 Open the horizontal louver push the lo...

Страница 26: ...move the two screws Step2 Open the panel assembly move the slider to fix the panel Step3 Press the locker A and B to lose the indoor from the installation plate Step4 Unfold the supporter of Installat...

Страница 27: ...panel assembly Step1 Open the screw caps A and B remove the two screws Step2 Open the panel assembly loosen the display board connector Step3 Pull the panel assembly along the direction indicated in...

Страница 28: ...he panel to remove the PCB in order to show clearly inside these pictures are without panel 7 6 How to Remove the Electrical control box Step1 Remove screw A B C pull out the coil temperature sensor D...

Страница 29: ...screws A B C D E remove support part F and G Step3 Open the E box to lose the fan motor and louver motor connectors from the PCB Step4 Press the locker H and I to lose the indoor from the installatio...

Страница 30: ...24K indoor unit is relatively large and heavy it must have two persons to implement the following steps Step1 Remove the Electric control box Step2 Remove the Chassis assembly Step3 Unfold the Pipe c...

Страница 31: ...29 8 Wiring Diagram 8 1 Indoor Unit P9VI32 09WF P9VI32 12WF P9VI32 18WF P9VI32 24WF...

Страница 32: ...30 8 2 Outdoor Unit P9VO32 09 P9VO32 12...

Страница 33: ...31 P9VO32 18 P9VO32 24...

Страница 34: ...itioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If t...

Страница 35: ...Turbo or Silence feature is activated Dispalys for three seconds when Timer OFF is set Dispalys for three seconds when Fresh Swing Turbo or Silence feature is cancelled Dispalys under deforsting oper...

Страница 36: ...l be active immediately and the indoor fan will open 7s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 10 3 6 Compressor preheating functions...

Страница 37: ...d the compressor will stop 10 4 2 2 Outdoor fan running rules The outdoor unit will be run at different fan speed according to T4 For different outdoor units the fan speeds are different For P9VI32 09...

Страница 38: ...ng rules When T1 Ts T the compressor will stop when T1 TS T 1 the compressor will be on T is the programmed parameter of temperature compensation When the AC run in mute mode the compressor will run w...

Страница 39: ...indoor and outdoor motor will stop defrost lamp of the indoor unit will be lighted will be displayed If any one of the following items is satisfied the defrosting will finish and the machine will tur...

Страница 40: ...fan speed setting sleeping mode setting follow me setting it will quit the forced operation 10 4 7 Sleep function 10 4 7 1 The sleep function is available in cooling heating or auto mode 10 4 7 2 Ope...

Страница 41: ...temperature from follow me signal and the temperature collection function of room temperature sensor will be shielded but the error detective function of room temperature sensor will be still valid 2...

Страница 42: ...Enquiry information Displaying code Meaning T1 T1 Indoor room temperature T2 T2 Indoor coil mid temperature T3 T3 Outdoor coil temperature T4 T4 Outdoor temperature T2B Tb Indoor coil outlet temperatu...

Страница 43: ...101 109 b0 b1 b9 110 111 119 c0 c1 c9 120 121 129 d0 d1 d9 130 131 139 E0 E1 E9 140 141 149 F0 F1 F9 150 151 159 Indoor fan speed Outdoor fan speed 0 OFF 1 2 3 4 Low speed Medium speed High speed Tur...

Страница 44: ...42 Reserve 5 25...

Страница 45: ...e switches F2 should be settled as below Dip switch 2 Dip switch 1 Remote on off control status OFF OFF Disconnected send CP closed cancel CP ON OFF Closed send CP disconnected cancel CP 10 5 3 ON OFF...

Страница 46: ...units All the indoor units must be the same series and in the same network The address of Multi function board must be set differently The connection method must be Bus type 10 5 2 The setting state...

Страница 47: ...45 Note It must use shield cables to connect with Non poplar wired controller The length should not exceed 50m...

Страница 48: ...electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100 40W or soldering iron plug between terminals of the electro...

Страница 49: ...C Refrigerant leakage detection 1 times O F0 Overload current protection 2 times O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit 3 times O F2 Condenser coil temperature sensor...

Страница 50: ...Installation mistake PCB faulty Trouble shooting Yes Replace the indoor outdoor main PCB Power off then restart the unit 2 minutes later EEPROM a read only memory whose contents can be erased and repr...

Страница 51: ...ack pan N If the voltage has always been the positive value Power off then restart the unit 2 minutes later Power off then restart the unit 2 minutes later If the voltage is a fixed value Replace the...

Страница 52: ...ark 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 vol...

Страница 53: ...off the power supply and turn it on 2 minutes later Is it still displaying the error code Shut off the power supply rotate the fan by hand Does it rotate properly The unit operates normally Find out t...

Страница 54: ...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 6V 6 Blue FG 14 17 5V 2 Outdoor DC Fan Motor control chip is in outdoor PCB Power on and check if t...

Страница 55: ...turn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Trouble shooting Is there cool air blowing out from indoor air outlet Yes Yes Check if T2 senso...

Страница 56: ...is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty PCB faulty Trouble shooting Check the connections between temperature sensor and...

Страница 57: ...PCB faulty Wiring mistake Compressor malfunction Check the power supply Is it normal Check the connections and wires Is it well connection Stop the unit Check the power supply No Yes No Correct the c...

Страница 58: ...n PCB and compressor If the wires and connectors are broken Correct the connection or replace the wires and connectors Yes No IPM continuity check Check if the IPM terminal resistance values are unifo...

Страница 59: ...ytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Digital tester Normal resis...

Страница 60: ...Check the power supply Check the connections and wires Stop the unit No Yes No Correct the connections or replace the wires Yes Replace the reactor Yes No Replace the IPM board Power on and when the...

Страница 61: ...higher than limited value the LED will display the failure Supposed causes IPM radiator problem PCB faulty Trouble shooting Yes Tighten the screws and apply silicon grease Tighten the screws and appl...

Страница 62: ...connected well Correct the connection or replace the wires and connectors No Yes Check if the IPM installed correctly Correct the installation tighten the screws and apply silicon grease No IPM contin...

Страница 63: ...ed causes Wiring mistake PCB faulty Display board malfunction Trouble shooting Power off then restart the unit 2 minutes later Is it still displaying the error code Replace the indoor main PCB Is the...

Страница 64: ...the resistance value with a tester Temperature Sensors Room temperature T1 sensor Indoor coil temperature T2 sensor Outdoor coil temperature T3 sensor Outdoor ambient temperature T4 sensor Compressor...

Страница 65: ...29078 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...

Страница 66: ...2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246...

Страница 67: ...pressor checking Measure the resistance value of each winding by using the tester Position Resistance Value KSN98D22UFZ KSM135D23UFZ KTF235D22UMT Blue Red 1 57 20 68 1 72 20 68 0 75 20 68 Blue Black R...

Страница 68: ...Scan here to download the latest version of this manual WALL MOUNTED UNIT AIR CONDITIONING SYSTEMS...

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