SERVICE MANUAL
Contents
1. Place the unit on a flat level ground if possible It is normal2. Turn the main power off when cleaning or maintaining the product There is risk of electric shock When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation Take care to ensure that nobody could 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 levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product To avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Operational Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health Do not use the product for special purposes such as preserving foods
3. works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property Do not block the inlet or outlet of air flow It may cause product failure Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on pr put anything on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is not sanitary could cause serious health issues 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
4. minimum of 10 11 Break vacuum by charging system from the high side with the correct amount of refrigerant specified This will prevent boiling the oil out of the crankcase NOTE If the entire charge will not enter the high side allow the remainder to enter the low side in small increments while operating the unit 12 Restart unit several times after allowing pressures to stabilize Pinch off process tubes cut and solder the ends Remove pinch off tool and leak check the process tube ends 8 2 4 Special procedure in the case of compressor motor burnout 29 1 Recover all refrigerant and oil from the system 2 Remove compressor capillary tube and filter drier from the system 3 Flush evaporator condenser and all connecting tubing with dry nitrogen or equivalent to remove all contamination from system Inspect suction and discharge line for carbon deposits Remove and clean if necessary 4 Reassemble the system including new drier strainer and capillary tube 5 Proceed with processing as outlined under hermetic component replacement 8 2 5 Rotary compressor special troubleshooting and service Basically troubleshooting and servicing rotary compressors is the same as on the reciprocating compressor with only a few exceptions 1 Because of the spinning motion of the rotary the mounts are critical If vibration is present check the mounts carefully 2 The electrical terminals on the rotary are in a different order
5. shady place Mounting Install the upper air filter after cleaning and install the lower filter by using the screw NOTE The grill and the air filer are connected and can t be separated 2 Unit enclosure Use a lint free cloth soaked with neutral detergent to clean the unit enclosure Finished by dry clean clothes 24 Upper filter D Lage Upper filter ME ge install take out Remove the screw then A Install the lower take the lower m filter by using filter out TI the screw 3 Unit idle for a long time X Remove the rubber plug at the back of the unit and attach a hose to drain outlet Place the open end of the hose directly over the drain area in your basement floor See below Fig 23 X Remove the plug from the bottom drain outlet all the water in the bottom tray would drain out See below Fig 23 X Keep the appliance running on FAN mode for half a day in a warm room to dry the appliance inside and prevent mold forming X Stop the appliance and unplug it wrapped the cord and bundle it with the tape Remove the batteries from the remote controller Clean the air filter and reinstall it X Disconnect the exhaust hose keep it safety and cover the window wall hole with the adaptor cap i niin UM SRL V Power plug Fig 23 25 8 Basic test procedure 8 1 Defective compressor Compressors are single phase depending on the model unit All compressor motors are permanent sp
6. than the reciprocating compressors The terminal markings are on the cover gasket Use your wiring diagram to insure correct connections 8 2 6 Refrigerant charge 1 The refrigerant charge is extremely critical It must be measured charge carefully as exact as possible to the nameplate charge 2 The correct method for charging the rotary is to introduce liquid refrigerant into the high side of the system with the unit off Then start compressor and enter the balance of the charge gas only into the low side The introduction of liquid into the low side without the use of a capillary tube will cause damage to the discharge valve of the rotary compressor NOTE All inoperative compressors returned to Friedrich must have all lines properly plugged with the plugs from the replacement compressor 8 3 Fan motor A single phase permanent split capacitor motor is used to drive the evaporator blower and condenser fan A self resetting overload is located inside the motor to protect against high temperature and high amperage conditions 8 3 1 Fan motor test 30 1 Determine that capacitor is serviceable 2 Disconnect fan motor wires from fan speed switch or system switch 3 Apply live test cord probes on black wire and common terminal of capacitor Motor should run at high speed 4 Apply live test cord probes on red wire and common terminal of capacitor Motor should run at low speed 5 Apply live test cord probe
7. Recover the refrigerant from the system at the process tube located on the high side of the system by installing a line tap on the process tube Apply gauge from process tube to EPA approved gauges from process tube to EPA approved recovery system Recover CFCs in system to at least 5 2 Cut the process tube below pinch off on the suction side of the compressor 3 Connect the line from the nitrogen tank to the suction process tube 4 Drift dry nitrogen through the system and unsolder the more distant connection first Filter drier high side process tube etc 5 Replace inoperative component and always install a new filter drier Drift dry nitrogen through the system when making these connections 6 Pressurize system to 30 PSIG with proper refrigerant and boost refrigerant pressure to 150 PSIG with dry nitrogen 7 Leak test complete system with electric halogen leak detector correcting any leaks found 8 Reduce the system to zero gauge pressure 9 Connect vacuum pump to high side and low side of system with deep vacuum hoses or copper tubing Do not use regular hoses 10 Evacuate system to maximum absolute holding pressure of 200 microns or less NOTE This process can be speeded up by use of heat lamps or by breaking the vacuum with refrigerant or dry nitrogen at 5 000 microns Pressure system to 5 PSIG and leave in system a minimum of 10 minutes Recover refrigerant and proceed with evacuation of a pressure of 200 microns or a
8. SE Fishnex Aircon Solutions Ltd SERVICE MANUAL Room Air Conditioner Portable Type FP 120AE R NOTE Before servicing the unit please read this at first Always contact with your service center if meet problem Fl SM_FP 120AE R_141103 CONTENTS TP FECAULIOM EE 1 E Safely PF LOC AU ON Sc cnct cn ctctcictatcteuocenceancucweneuaveuss EENE 1 MZ MW AU MINING EE 1 2 FURGCUON and e ah de AN CT EE 5 2 VEUNCUON EE 5 2 2 Control en EE 5 J DIMENSIO EE 8 4 Refrigerant Cycle Diagram sgegeeuEuestuegeegesge gege EEEEEEN 9 Se WINN AG FANN EE 10 Gleiser eege 11 Ek Weken 11 6 2 Electric Control Working ENVIFONMEN cccccceeeceeeeeeeeeeeeeeeeneeneseneceeeeeeesneeenseneseaeoeeeaeenseesensegs 11 6 3 Protection TO 11 6 4 Fan only mode function requirement ccceeeeeeeeeeeeeeeeeeeneeeeseneceeeeeeesneeenseneseaeeneeeeeeaneeensenaseneans 11 6 5 Cooling mode FUNCTION FEQUIFEMENH c ccceeeeeeeeeceseeeeneeeeseeeceeeeeeeeneeseseneseaeceaeeeesonesneeeesoneseneogs 11 6 6 DIVING EEN EES EEER EEE EEE EEEE EE EEEE EEEE ENEE EEEE EE 12 6 7 SONSOM E et Le EE 14 6 8 Some standard functions SYNODSIS E 14 F TE UE en E UE 15 7 1 Installation IIS de ei e ooatetatetctctccsactucetssuscce tcc cccastucenssusene tec cccasduconeceeenu nec eceaulucenesusensne eeanusaounanncsoss 15 Ds Dy GS A SEELEN 24 S BASIC 6S DI OCCO UN EE 26 8 Defective COMMIIOCSSON arid iss aisha as igo as sso spot eases nec seen aioe oes nec cae acon nes suck e
9. a fire They may burn of explode Ifthe liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked The chemical in batteries could cause burns or other health hazards 2 Function and control panel 2 1 Function Operation mode Cooling Dry Fan and Auto ION optional Auto swing function Timer function Flexible installation kit No bucket design LED display Sleep mode Follow me function Optional Washable filter Self diagnosis and auto protection function Anti freezing control in cooling or drying mode Prevent the water being freezed on evaporator by sensing the evaporator pipe temperature in cooling or drying mode Auto restart When the power supply is interrupted and then restore the air conditioners automatically restore the previous function setting X Time Delay Safety Restarting is for approx 3 minutes a 2 2 Control panel LED display Power management For some models Ga on A ON off E Swing button Mode select button 1 POWER button Power switch on off SE Down button Up button Fan button Sleep button Power button 2 SLEEP button Used to initiate the SLEEP operation 3 FAN ION button ION is optional Control the fan speed Press to select the fan speed in four steps LOW MED HI and AUTO The fan speed indicator light illuminates under different fan sett
10. ach eaee net eeeecueanuesees 26 8 2 Sealed refrigeration system ePAiIs ccccescceseeeeeceeeeeeeseeeeneeeeseneceeeceeeeeeeenseeeseneseaeoeeeseessnesensogs 28 83 We e e E 30 B24 Eege 31 9 Characteristic of temperature SCNSOFM cccccseeeeceeeeeeeeeceeeanseneceeeaeseeeansaeceeeanseesaneeneseesenseneanenes 32 TOT FOUDICSNOOUNGis 2c eet iene 33 1 Precaution 1 1 Safety Precaution To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage d Before service unit be sure to read this service manual at first 1 2 Warning Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized service center Do not disassemble or repair the product there is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk o
11. and remain there as long as the probes are connected An open capacitor will show no movement of the pointer when placed across the terminals of the capacitor 9 Characteristic of temperature sensor Resistance Resistance Resistance KQ KQ 32 m 10 Troubleshooting In general possible trouble is classified in three kinds One is called Starting Failure which is caused from an electrical defect another is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application and the other is called the Structure Damage TROUBLES 1 Unit does not Start when Pressing on off Button 2 Not cool enough 3 Noisy or vibration 4 Gurgling sound P1 appears in the display window Room temperature is lower than the set temperature Cooling mode The windows or doors in the room are not closed There are heat sources inside the room Exhaust air duct is not connected or blocked Temperature setting is too high Air filter is blocked by dust The ground is not level or not flat enough The sound comes from the flowing of the refrigerant inside the air conditioner 33 POSSIBLE CAUSES SUGGEST REMEDIES Drain the water in the bottom tray Reset the temperature Make sure all the windows and doors are closed Remove the heat sources if possible Connect the duct and make sure it can function properly Decrease the set temperature Clean the air filter
12. c shock Do not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire 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 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 When the product is soaked flooded or submerged contact an Authorized service center There is risk of fire or electric shock Be caution that water could not enter the product There is risk of fire electric shock or product damage Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock
13. de by using 4 expansion plugs and wooden screws be sure to fix thoroughly See Fig 15 2 Attach the Exhaust hose to wall Exhaust adaptor A 21 Expansion plug pe os BL Adaptor A Adaptor Note Cover the hole using the adaptor cap when not in use The duct can be compressed or extended moderately according to the installation requirement but it is desirable to keep the duct length to a minimum IMPORTANT DO NOT OVER BEND THE DUCT SEE Fig 16 Water drainage During dehumidifying modes remove the drain plug from the back of the unit install the drain connector 5 8 universal female mender with 3 4 hose locally purchased For the models without 22 drain connector just attach the drain hose to the hole Place the open end of the hose directly over the drain area in your basement floor Please refer to Fig 17 amp 18 zz Continuous 2 Continuous drain hose Ze drain hose alt P m A S Remove the drain hose Remove the drain hose upper drain plug adaptor lower drain plug adaptor Fig 17 Fig 18 NOTE Make sure the hose is secure so there are no leaks Direct the hose toward the drain making sure that there are no kinks that will stop the water flowing Place the end of the hose into the drain and make sure the end of the hose is level or down to let the water flow smoothly Do never let it up When the water level of the bottom tray reache
14. e setting temperature for a period of time the unit will be automatically operate power management feature The compressor and fan motor stop and the power management indicator light illuminates When the ambient temperature is higher Cooling mode than the setting temperature the unit will be automatically quit the power management feature The power management indicator light turns dark and the compressor and or fan motor run A Dimension small body big body 397 4 Refrigerant Cycle Diagram The figure below is a brief description of the important components and their function in what is called the refrigeration system 1 This will help to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle LIQUID SIDE CAPILIARY TUBE 00000 d z EVAPORATOR CONDENSER GAS SIDE COMPRESSOR m 5 Wiring Diagram Power management models 202025490732 Mlo e rr CNO HIE m SLACK GLE ae UE 0 OPTIONAL ege up RED l M 1 COMPRESS E as 2 OPTIONAL RED y Im 3 TT Le Lem KE PUMP OPTIONAL L This symbol indicates the element is S optional the actual shape shall prevail 10 6 Electronic function 6 1 Terms and definitions TC Temperature of evaporator T2 TA Temperature of indoor ambient T1 TS The set temperat
15. f fire or electric shock Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury Be caution when unpacking and installing the product Sharp edges could cause injury be especially careful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized service center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand 1 It may cause injury accident or damage to the product 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 Do not let the air conditioner run for a long time when the humidity is very high and a door ora window is left open Moisture may condense and wet or damage furniture Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock Do not place anything on the power cable There is risk of fire or electric shock Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not touch operation the product with wet hands There is risk of fire or electric shock Do not place a heater or other appliance near the power cable There is risk of fire and electri
16. he Sleep mode and the unit will continue to operate as originally programmed 14 7 Installation details x 7 1 Installation instructions Location The air conditioner should be placed on a firm foundation to minimize noise and vibration For safe and secure positioning place the unit on a smooth level floor strong enough to support the unit The unit has casters to aid placement but it should only be rolled on smooth flat surfaces Use caution when rolling on carpet surfaces Do not attempt to roll the unit over objects The unit must be placed within reach of a properly rated grounded socket Never place any obstacles around the air inlet or outlet of the unit Allow 30cm to 100cm of space from the wall for efficient air conditioning A 30cm 100cm 6 30cm Window slider kit Installation Your window slider kit has been designed to fit most standard Vertical and horizontal window applications However it may be necessary for you to improvise modify some aspects of the installation procedures for certain types of window Please refer to Fig 2 amp Fig 3 for minimum and maximum window openings Window slider kit can be fixed with a bolt See Fig 3a 15 Horizontal window 4 Window Slider Kit Minimum Acm aft Maxmum Bcm bft gt Horizontal window gt Window Slider Kit Minimum Acm aft Maxmum Bcm bft bolt Window slider kit Fig 3a Note If the window o
17. indow slider kit according to the width of window Short the adjustable window kit if the width of window is less than 26 5 Type l or 22 1 Type Il inches Open the window sash and place the window slider kit on the window stool See Fig 9 J Type 26 5 48 0 Type Il 22 1 38 6 3 Cut the foam seal adhesive type to the proper length and attach it on the top of the window Show as in Fig 10 19 Foam sea 4 Close the sliding sash securely against the window 5 Cut the foam seal to an appropriate length and sealing the open gap between the top window sash and outer window sash Show as in Fig 11 Foam seal Exhaust hose installation The exhaust hose and adaptor must be installed or removed in accordance with the usage mode Cool or Auto mode Install 1 Install the window Exhaust adaptor B onto the exhaust hose as shown in Fig 12 or Fig 13 Refer to the 20 previous pages for window kit installation Ce CCC Fig 12 Fig 13 2 Insert the hook of the Exhaust hose into the hole seat of the air outlet and slide down the Exhaust hose along the arrow direction for installation See Fig 14 i E i The exhaust hose can be installed into the wall Not applicable to the units without adaptor A expansion plugs and wooden screws of Accessories 1 Prepare a hole in the wall Install the wall Exhaust adaptor A onto the wall outsi
18. ings except AUTO speed When select AUTO fan speed all the fan indicator lights turn dark NOTE Press this button for 3 seconds to initiate ION feature The ion generator is energized and will help to remove pollen and impurities from the air and trap them in the filter Press it for 3 seconds again to stop the ION feature 4 UP and DOWN button Used to adjust increasing decreasing temperature settings 1 CD FE increments in a range of 17 C 62 F to 30 C 88 F or the TIMER setting in a range of 0 24hrs NOTE The control is capable of displaying temperature in degrees Fahrenheit or degrees Celsius To convert from one to the other press and hold the Up and Down buttons at the same time for 3 seconds 5 MODE select button Select the appropriate operating mode Each time you press the button a mode is selected in a sequence that goes from AUTO COOL DRY FAN The mode indicator light illuminates under the different mode settings 6 TIMER button Used to initiate the AUTO ON start time and AUTO OFF stop time program in conjuction with the amp buttons The timer on off indicator light illuminates under the timer on off settings 7 SWING button Applicable to the models with auto swing feature only Use to initiate the Auto swing feature when the operation is ON press the SWING button can stop the louver at the desired angle 8 LED Display Show the set temperature in C or F and the Auto timer setting
19. isplay Stand for Ce Communication malfunction for display board and PCB Malfunction display When the malfunction happened at the same time the priority is E4 gt E3 gt E2 gt E1 gt P1 6 8 Some standard functions synopsis 6 8 1 Timer function When the unit is on press the Timer button will initiate the Auto off stop program the TIMER OFF indicator light illuminates Press the UP or down button to select the desired time Press the TIMER button again within 5 seconds the Auto on start program is initiated And the TIMER ON indicator light illuminates Press the up or down button to select the desired Auto on start time When the unit is off press the Timer button to initiate the Auto on start program press it again within five seconds will initiate the Auto off stop program Press or hold the UP or DOWN button to change the Auto time by 0 5 hour increments up to 10 hours then at 1 hour increments up to 24 hours The control will count down the time remaining until start The system will automatically revert back to display the previous temper ature setting if there is no operation in a five seconds period 6 8 2 Sleep function Press this button the selected temperature will increase cooling by 1C 2 F30 minutes The temperature will then increase cooling by another 1 CIE after an additional 30 minutes This new temperature will be maintained for 7 hours before it returns to the originally selected temperature This ends t
20. lit capacitor type using only a running capacitor across the start and run terminal All compressors are internally spring mounted and externally mounted on rubber isolators 8 1 1 Compressor wiring test Remove compressor terminal box cover and disconnect wires from terminals Using an ohmmeter check continuity across the following Terminal C and S no continuity Open winding replace compressor Terminal C and R no continuity Open winding replace compressor Terminal R and S no continuity Open winding replace compressor 8 1 2 Ground test Use an ohmmeter to set on its highest scale Touch one lead to the compressor body clean point of contact as a good connection is a must and the other probe in turn to each compressor terminal see Figure 2 If a reading is obtained the compressor is grounded and must be replaced 8 1 3 Checking the compressor efficiency 26 The reason for compressor inefficiency is normally due to broken or damaged suction and or discharge valves reducing the ability of the compressor to pump refrigerant gas This condition can be checked as follows 1 Install a piercing valve on the suction and discharge or liquid process tube 2 Attach gauges to the high and low sides of the system 3 Start the system and run a cooling performance test If test shows A Below normal high side pressure B Above normal low side pressure C Low temperature diffe
21. oad 1 No power to unit remove the leads from the compressor terminals 2 Using an ohmmeter test continuity between terminals C S and C R If not continuous the compressor overload is open and the compressor must be replaced m 8 2 Sealed refrigeration system repairs 8 2 1 Equipment require 1 Voltmeter Ammeter Ohmmeter E P A Approved Refrigerant Recovery System Vacuum Pump capable of 200 microns or less vacuum Acetylene Welder Electronic Halogen Leak Detector G E Type H 6 or equivalent CO N O OA A O N Accurate refrigerant charge measuring device such as a Balance Scales 1 2 oz accuracy b Charging Board 1 2 oz accuracy 9 High Pressure Gauge 0 400 Ibs 10 Low Pressure Gauge 30 150 Ibs 11 Vacuum Gauge 0 1000 microns 8 2 2 Equipment must be capable of 1 Recovery CFC s as low as 5 2 Evacuation from both the high side and low side of the system simultaneously 3 Introducing refrigerant charge into high side of the system 4 Accurately weighing the refrigerant charge actually introduced into the system 5 Facilities for flowing nitrogen through refrigeration tubing during all brazing processes 28 8 2 3 Hermetic compressor replacement The following procedure applies when replacing components in the sealed refrigeration circuit or repairing refrigerant leaks Include Compressor condenser evaporator capillary tube refrigerant leaks etc 1
22. pening is less than the mentioned minimum length of the window slider kit cut that one with a hole in it short to fit for the window opening Do never cut out the hole in window slider kit 16 Installation in a double hung sash window 1 Cut the foam seal adhesive type to the proper length and attach it to the window stool Fig 4 LO Foam seal A adhesive type kI Fig 4 2 Attach the window slider kit to the window stool Adjust the length of the window slider kit according to the width of window shorten the adjustable window kit if the width of window is less than 26 5 Type 1 or 22 1 Type Il inches Open the window sash and place the window slider kit on the window stool Fig 5 Window kit Window stool 17 26 5 48 0 22 1 38 6 3 Cut the foam seal adhesive type to the proper length and attach it on the top of the window Show as in Fig 6 Window kit Window stool 4 Close the window sash securely against the window 5 Cut the foam seal to an appropriate length and sealing the open gap between the top window sash and outer window sash Show as in Fig 7 Foam seal Fin Installation in a sliding sash window 1 Cut the foam seal adhesive type to the proper length and attach it to the window frame See Fig 8 18 Foam seal A adhesive type Fig 8 2 Attach the window slider kit to the window stool Adjust the length of the w
23. ps at first and the indoor outdoor fan will stop after delaying for 5seconds 6 5 4 Power management for power management models Entering into the only cooling mode indoor fan motor operates immediately and keeps moving for 30 minutes at lease Compressor operates and indoor fan motor keeps moving Compressor stops operation indoor fan motor shuts off after a delay of 30 minutes 6 5 5 The ION TIMER functions are valid at the cooling mode m 6 6 Drying mode 6 6 1 The unit operates at drying mode If TA gt 13 C outdoor fan turns on and then the compressor operates after 15 seconds later Operation conditon TA C Compressor on 15 13 Compressor off 12 6 6 1 1 When TA lt 13 C the compressor stops working And the outdoor fan will stop delaying for 5 seconds until it operates for 3minutest 6 6 1 2 When TA215C the outdoor fan operates and the compressor will restart to operate after 15seconds 6 6 2 The speed can t be controlled at drying mode and the indoor fan motor operates at low speed 6 6 3 Power management for power management models Entering into drying mode indoor fan motor operates immediately and keeps moving for 30 minutes at lease Compressor operates and indoor fan motor keeps moving Compressor stops operation indoor fan motor shuts off after a delay of 30 minutes 6 6 4 The ION TIMER functions are valid at the drying mode 13 6 7 Sensor malfunction LED d
24. rence across coil The compressor valves are faulty replace the compressor 8 1 4 Terminal overload external Some compressors are equipped with an external overload which is located in the compressor terminal box adjacent to the compressor body The overload is wired in series with the common motor terminal The overload senses both major amperage and compressor temperature High motor temperature or amperage heats the disc causing it to open and break the circuit to the common motor terminal Heat generated within the compressor shell is usually due to 1 High amperage 2 Low refrigerant charge 3 Frequent recycling 4 Dirty condenser 8 1 5 Terminal overload Test compressor external type 1 Remove overload 2 Allow time for overload to reset before attempting to test 3 Apply ohnmmeter probes to terminals on overload wires There should be continuity through the overload 8 1 6 Terminal overload internal Some model compressors are equipped with an internal overload The overload is embedded in the motor windings to sense the winding temperature and or current draw The overload is 2 connected in series with the common motor terminal Should the internal temperature and or current draw become excessive the contacts in the overload will open turning off the compressor The overload will automatically reset but may require several hours before the heat is dissipated 8 1 7 Checking the internal overl
25. s While on DRY and FAN modes it shows the room temperature Error codes E1 Room temperature sensor error Unplug the unit and plug it back in If error repeats call for service E2 Evaporator temperature sensor error Unplug the unit and plug it back in If error repeats call for service E3 Condenser temperature sensor error Unplug the unit and plug it back in If error repeats call for service E4 Display panel communication error Unplug the unit and plug it back in If error repeats call for service P1 Bottom tray is full Connect the drain hose and drain the collected water away If error repeats call for service 9 FOLLOW ME TEMP SENSING feature optional NOTE This feature can be activated from the remote control ONLY The remote control serves as a remote thermostat allowing for the precise temperature control at its location To activate the Follow Me Temp Sensing feature point the remote control towards the unit and press the Follow Me Temp Sensing button The remote display is actual temperature at its location The remote control will send this signal to the air conditioner every 3 minutes interval until press the Follow Me Temp Sensing button again If the unit does not receive the Follow Me Temp Sensing signal during any 7 minutes interval the unit will beep to indicate the Follow Me Temp Sensing mode has ended 10 POWER MANAGEMENT feature optional When the ambient temperature is lower Cooling mode than th
26. s a predetermined level the unit beeps 8 times the digital display area shows P1 At this time the air conditioning dehumidification process will immediately stop However the fan motor will continue to operate this is normal Carefully move the unit to a drain location Remove the bottom drain plug and let the water drain away see above Fig 20 Restart the machine until the P1 symbol disappears If the error repeats call for service NOTE Be sure to reinstall the bottom drain plug before using the unit 23 H A0 UL a e WIRTH MUMM UI ll ll P Fig 20 7 2 Care and maintenance Important 1 Be sure to unplug the unit before cleaning or servicing 2 Do not use gasoline thinner or other chemicals to clean the unit 3 Do not wash the unit directly under a tap or using a hose It may cause electrical danger 4 If the power cord is damaged it should be repaired by manufacture or its agency 1 Air filter Clean the air filter at least once every two weeks to prevent inferior fan operation because of dust Removal This unit has two filters Take the upper filter out along the arrow direction see below Fig 21 and then take the filter down Remove the lower filter by loosening the screw taking down the air filter as shown in Fig 22 see below Cleaning Wash the air filter by immersing it gently in warm water about 40 C 104 F with a neutral detergent Rinse the filter and dry it in a
27. s on each of the remaining wires from the speed switch or system switch to test intermediate speeds 8 4 Capacitor A run capacitor is wired across the auxiliary and main winding of a single phase permanent split capacitor motor such as the compressor and fan motor A single capacitor can be used for each motor or a dual rated capacitor can be used for both The capacitor s primary function is to reduce the line current while greatly improving the torque characteristics of a motor The capacitor also reduces the line current to the motor by improving the power factor of the load Run capacitor hook up line side of the capacitor is marked with a red dot and is wired to the line side of the circuit FAN MOTOR COMPRESSOR RED DOT RUN CAPACITOR Capacitor test 1 Remove capacitor from unit 2 Check for visual damage such as bulges cracks or leaks 3 For dual rated apply an ohmmeter lead to common C terminal and the other probe to the compressor HERM terminal A satisfactory capacitor will cause a deflection on the pointer 31 and then gradually move back to infinity 4 Reverse the leads of the probe and momentarily touch the capacitor terminals The deflection of the pointer should be two times that of the first check if the capacitor is good 5 Repeat steps 3 and 4 to check fan motor capacitor NOTE A shorted capacitor will indicate a low resistance and the pointer will move to the 0 end of the scale
28. ure TE Temperature of condenser T3 m 6 2 Electric Control working environment Input voltage 187 264V for 50Hz models m 6 3 Protection function 6 3 1 The compressor functions protection with a delay of three minutes 6 3 2 Sensor protection at open or short circuit 6 3 3 Evaporator anti icing protection at cooling mode m 6 4 Fan only mode function requirement 6 4 1 The compressor and outdoor fan are OFF at Fan only mode except P1 protection 6 4 2 The speed of indoor fan can be optionally chosen as High Mid Low 6 4 3 The TS can t be controlled and the LED displays as T1 6 4 4 The ION TIMER functions are valid at the fan only mode m 6 5 Cooling mode function requirement 6 5 1 The speed of indoor fan can be optionally selected as High Mid Low 6 5 2 The outdoor fan will be turned on as soon as the unit being on cooling mode The operation of outdoor fan is according to the compare of TA and TS when the water level is below to switch 1 If not the outdoor fan doesn t work 6 5 3 The compressor operates as below 11 Operation conditon TA Ts C Compressor on 1 0 Compressor off 6 5 2 1 If TA gt TS 1C the outdoor fan operates After 15 seconds the compressor operates 6 5 2 2 The compressor is on if TASTS this compressor will stop If the outdoor fan operates for 3 minutes at least it will stop after delaying for 5 seconds 6 5 3 When the unit is off the compressor sto
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