TECHNICAL DATA & SERVICE MANUAL
Contents
1. With this option selected the indoor fan speed changes automatically according to the difference between the detected air temperature RAT sensor and the set point SPT COOLING MODE 2 RAT SPT HIGH speed 1 RAT SPT lt 2 MEDIUM speed RAT SPT 1 LOW speed NOTE SPT Set Point Temperature 12 6 5 Forced Mode In this mode the system operates COOLING or HEATING mode fixed settings or is switched off by means of the MODE button of the indoor unit control board The operation modes can be selected pressing the button in a cyclic way OFF gt COOL gt HEAT gt OFF The settings are COOLING mode SET POINT temperature 25 C FAN SPEED HIGH 6 6 Protection Operations in Cool and Dry Mode Freeze up This protection prevents ice formation on the indoor coil heat exchanger The protection is activated by the indoor coil temperature ICT sensor and only after 6 minutes of compressor operation This protection acts in 2 levels LEVEL 1 INDOOR FAN SPEED ANY as selected from remote controller COMPRESSOR ON OUTDOOR FAN cycling 30 seconds ON amp 30 seconds OFF DRAIN PUMP operates according to paragraph 9 2 LEVEL 2 INDOOR FAN SPEED ANY as selected from remote controller COMPRESSOR OFF for at least 6 minutes and until ICT gt 8 C OUTDOOR FAN OFF for at least 6 minutes and until ICT 2 8 C DRAIN PUMP always ON stops when exiting the protection The system exit this2. TECHNICAL DATA amp SERVICE MANUAL AUG38PCLI ULISSE 13PCLA Product Code No 39 7028 942 Model No AUG38PCLI Ri OR M n Ma M mm MM Er 11 2006 0 8180 516 0 D mens J This product does not contain any hazardous substances prohibited by the RoHS Directive A WARNING You are requestedtio use RoHS compliant parts for maintenance or repair You are requested to use lead free solder IMPORTANT Please read before installation This air conditioning system meets strict safety and operating standards For the installer or service person it is important to install or service the system so that it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual he unit must be supplied with a dedicated electrical line AN This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death JAW CAUTION This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage If necessary get help These instructions are all you need for most installation sites and maintenance conditions If you
3. 10 10 11 11 12 12 12 13 13 14 14 14 15 16 17 18 25 26 27 1 SPECIFICATIONS 1 1 Unit Specifications AUG38PCLI Power Source 230 V 50 Hz Voltage Rating 230 Available Voltage Range 198 264 Running Ampere 5 60 Power Input 1245 Power Factor C O P 3 21 Compressor Locked Rotor Amperes A 35 Performance Capacity 13640 4 00 Air Circulation High Med Low 400 375 335 Moisture Removal High Speed 1 90 Power Noise Level Indoor Unit 1 High Med Low 55 54 52 Power Noise Level Outdoor Unit 1 62 Controls Temperature Controls Microprocessor C thermostat Control Unit Wireless remote control Timer ON OFF 24 Hours amp Daily Program Fan Speed Indoor Outdoor Unit 3 and Auto 1 Airflow Direction Vertical Manual Orizzontal Manual Air Filter Washable Easy Access Compressor Rotary Hermetic Refrigerant Gas R410A Refrigerant Standard Charge at Shipment 1150 Refrigerant Control Capillary Tube Condensate Drain System Automatic with Pump Dimensions amp Weight Indoor Unit Height Width Depth Outdoor Unit Height Width Depth Net Weight Internal Unit External Unit DATA SUBJECT TO CHANGE WITHOUT NOTICE NOTE Rating Cooling Conditions Outside Air Temperature 35 C DB Inside Air Temperature 27 C DB 19 C WB 1 Reference data room size 100 m reverberation time 0 5 s distance 2 m 4 1 2 Ma
4. YEL JE WHT Ic ROOM FS 12V OIL GRN YEL 112 1 1 c TTE ii 11213 4916 718 FS l 112 314 5161718 O ORG ORG PNK m N PNK BRN nc BRN GRY Awl wH GRY WHT VLT Hulu YLT WHT ir PCB Controller SWITCH owitch Assy FMI Indoor fan motor IND Indicator assy CM Compressor motor TH Thermistor OLR Overload relay TP Terminal plate FMO Outdoor fan motor FS Float switch C Capacitor DP Drain Pump 5 PERFORMANCE DATA 5 1 Performance Chart Operation characteristics with relative humidity around 50 EXTERNAL TEMPERATURE C AUG38PCLI lt 9 _ d Ww 8 z ell 32 C 3 7 7 C o 21 C 6 lt X ES O 20 25 30 35 40 45 50 10 6 FUNCTIONS 6 1 Cool Mode Operation RAT SPT C 3 Um a 7 I J I I OS TT SET i j A 0 I I m K 1 4 1 a tf d gp 6 minutes ii Over min minimum 1 i dl I I I I I i CM orr nM H I l I I I I i i l l I I ON Log I 1 FMO oFF E H I I Over 30 sec i T FMI i In Cooling Mode the operation of the compressor CM Outdoor Fan FMO and Indoor Fan FMI are determined by the difference between the room air temperature RAT and the set point temperature SPT as shown in
5. plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on M terminal and then on L terminal the terminal plate Fig 2 COPPER TUBE OR METALLIC PART Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the disired electric part from terminal plate PCB Ass y capacitor etc similarly disconnect the connector Then measure the insuration resistance Fig 1 to 4 Hefer to Electric Wiring Diagram f the probe cannot enter the poles because tha EATHER LINE Fig 2 CLIP pes COPPER TUBE OR INSULATION METALLIC PART TESTER Fig 3 FROM FAN MOTOR COMPRESSOR hole is too narrow then use a probe with a thinner AND OTHER PARTS pin METALLIC pe PART Fo n f t E f a fi CLIP 1 INSULATION me 2 TESTER Fig 4 26 2 Checking Continuity of Fuse on PCB Ass y Remove PCB Ass y from electrical component box Fig 5 Then pull out the fuse from PCB Ass y FUSE PCB ASSY e Fig 5 e Check continuity of fuse by the multimeter Fig amp FUSE Fig 6 3 Checking Motor Capacitor U Remove the lead wires from the capacitor termi nals and then place a probe on the capacitor ter minals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the po
6. protection routine when ICT temperature rises above 8 C 13 6 7 FEEL Function As standard configuration the air conditioner operates detecting the room temperature through the sensor equipped in the wireless remote controller icon FEEL shown on the display This feature provides a personalised environment since the temperature can be detected where the remote controller is located It is possible to de activate this option pressing the FEEL button on the remote controller In this case the FEEL icon is no longer displayed and room temperature is detected through the sensor included in the indoor unit 6 8 NIGHT Function When this function is active room temperature changes automatically to compensate for body temperature variations while sleeping After 10 hours of operation system switches automatically to OFF state This mode of operation is available both in COOLING and HEATING mode When running in this mode indoor fan is automatically switched to LOW speed Room temperat emperature NIGHT function active System switches to OFF state SPT 3 C COOLING and DRY modes SPT 2 C SPT 1 C SPT NIGHT 10 Hours function 6 9 DRAIN PUMP Pump operates when the unit is running in COOLING and DRY modes The level detection is done through a float switch connected at the input FS closed under normal condition and opened when water overflow System operation is according to the following chart Owerilew when
7. require help for a special problem contact our sale service outlet or your certified dealer for additional instructions In case of improper installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS During installation connect before the refrigerant system and then the wiring one proceed in the reverse orden when removing the units REZ when wiring ELECTRICAL SHOCK CAN CAUSE SEVERE AAN PERSONAL INJURY OR DEATH ONLY QUALIFIED EXPERIENCED ELECTRICIANS SHOULD ATTEMPT TO WIRE THIS SYSTEM e Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked to ensure the grounding e Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury and death Ground the unit following local electrical codes e The Yellow Green wire cannot be used for any connection different from the ground connection Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan e Do not use multi core cable when wiring the power supply and control lines Use separate cables for e
8. the graph NOTES 1 In this graph the FMI is operating with the Auto Fan Speed setting If the user has selected the Low Medium or High fan speed the FMI will run constantly at that speed only 2 In addition to the temperature difference of above the operations of the main components CM FMO FMI is also controlled by protection delays That is the minimum off time of compressor is 3 minutes the minimum off time of compressor is 3 minutes the indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 11 6 2 Dry Mode Operation Dry operation remove moisture from indoor air running in cooling mode at a low level without reducing the ambient temperature This is done cycling ON and OFF indoor and outdoor units according to below ROOM TEMPERATURE SR gt SPT 2 C LEVEL 0 Operation according to COOLING mode CM ON LEVEL1 FMO ON H FMI switches between L and OFF 30 seconds lt SPT 1 C CM switches 9 minutes OFF and 3 minutes ON gt 15 C LEVEL 2 FMO switches 9 minutes OFF and 3 minutes ON u FMI switches OFF and L during CM operation CM OFF lt 15 C DRY OFF ZONE FMO OFF FMI OFF SPT Set Point Temperature 6 3 Fan Mode Operation With this mode the indoor fan is turned ON while CM and FMO stay OFF all the time The user can select between 4 speeds HIGH MEDIUM and LOW 6 4 Auto Fan Speed
9. ANCE OF THE FAN MOTOR WINDING a e YES REPLACE THE FAN MOTOR M IS IT DEFECTIVE P n aem ae aa m in p _ e n COMPRESSOR MOTOR DOES NOT RUN MEASURE THE RESISTANCE OF THE COMPRESSOR MOTOR WINDINGS ISIT DEFECTIVE YES REPLACE THE COMPRESSOR MOTOR NO REPLACE THE COMPRESSOR MOTOR YES CAPACITOR CHECK THE COMPRESSOR MOTOR CAPACITOR ISIT DEFECTIVE NO CHECK THE OVERLOAD RELAY OLR IS IT TRIPPED AND IS THE COMPRESSOR TEMPERATURE ABNORMALLY HIGH NO THE OLR IS DEFECTIVE REPLACE IT YES IS THERE A SHORTAGE OF REFRIGERANT GAS YES CHARGE WITH REFRIGERANT GAS NO CHECK THE COMPRESSOR THERE IS A POSSIBILITY OF LOCKED ROTOR REPLACE THE COMPRESSOR FJAIR CONDITIONER OPERATES BUT ABNORMALITIES ARE OBSERVED OPERATION DOES NOT SWITCH FROM HEAT TO COOL AND OR FROM COOL TO HEAT REMOTE CONTROLLER UNIT MAY BE DEFECTIVE MEASURE THE RESISTANCE OF THE SOLENOID COIL WINDING 20 S 4 WAY VALVE CHECK MODE BUTTON ON THE UNIT PUSH THE MODE BUTTON THE UNIT DOES NOT RUN PCB ASSY IS DEFECTIVE CHECK REMOTE CONTROL UNIT RECEIVER ASSY MAY BE DEFECTIVE THE FIRST REMOTE CONTROLLER IS DEFECTIVE TRY TO OPERATE WITH ANOTHER REMOTE CONTROLLER DOES THE UNIT RUN YES NO CLEAN THE IR TRANSMITER OF THE REMOTE CONTROLLER CHECK THE IR TRANSMITTER OF THE REMOTE CONTROLLER IS IT DIRTY T
10. ES NO CHECK THE IR RECEIVER OF THE CLEAN THE IR RECEIVER OF THE INDOOR UNIT INDOOR UNIT IS IT DIRTY 22 CHECK FUSE ON PCB ASSY IN THE UNIT CHECK FUSE ON PCB ASSY IF THE FUSE BLOWS THERE IS THE POSSIBIBILITY OF A SHORT CIRCUIT MEASURE THE RESISTANCE OF THE INDOOR FAN MOTOR WINDINGS ISIT DEFECIVE YES REPLACE THE INDOOR FAN MOTOR NO PCB ASSY IS DEFECTIVE REPLACE THE PCB ASSY CHECK SETTING TEMPERATURE LOWER SET POINT TEMPERATURE USING RAISE SET POINT TEMPERATURE USING TEMPERATURE SETTING BUTTON OF THE TEMPERATURE SETTING BUTTON OF THE REMOTE CONTROLLER REMOTE CONTROLLER THE UNIT STILL DOES NOT RUN THE UNIT STILL DOES NOT RUN TRY TO OPERATE WITH ANOTHER REMOTE CONTROLLER DOES THE UNIT RUN TRY TO OPERATE WITH ANOTHER REMOTE CONTROLLER DOES THE UNIT RUN YES YES THE FIRST REMOTE CONTROLLER IS THE FIRST REMOTE CONTROLLER IS DEFECTIVE DEFECTIVE 23 COOLING OR FEEL IS SELECTED pl a hon a lt ud p a CHECK THE POSITION OF THE DOES THE AIRFLOW FROM THE ves CHANGE THE POSITION OF THE REMOTE CONTROLLER UNIT REACH DIRECTLY THE d REMOTE CONTROLLER REMOTE CONTROLLER p E d x Pl EN e P dl k FAN SPEED a a pl d ai lt IS THE INDOOR FAN SPEED SET IN gt YES SET FAN SPEED TO MEDIUM OR HIGH LOW SPEED he di P COOLING LOAD IF THE PERFORMANCE O
11. F THE UNIT IS NORMAL REDUCE COOLING HEATING LOAD OR INSTALL REVIEW COOLING HEATING LOAD ESTIMATE AN ADDITIONAL UNIT MEASURE TEMPERATURE OF SUCTION AND DISCHARGE AIR IS THE TEMPERATURE V DIFFERENCE BETWEEN SUCTION _ THERE IS THE POSSIBILITY OF gt NO AND DISCHARGE AIR TOO BIG GAS SHORTAGE 159CORMORE P inv p l wa 7 AIR FILTER IS CLOGGED 24 H EXcEssivE COOLING OR HEATING x FEEL IS SELECTED CHANGE THE POSITION OF THE REMOTE CONTROLLER THE REMOTE CONTROLLER OF THE UNIT IS PLACED IN A POSITION WHERE IT CAN NOT DETECT PROPERLY ROOM TEMPERATURE Hja SENSOR IS DEFECTIVE x ROOM SENSOR TH ROOM ROOM SENSOR TH ROOM IS DEFECTIVE STANDBY LED ON THE FRONT SIDE OF THE UNIT IS BLINKING x INDOOR COIL SENSOR STANDBY AND OPERATION LEDS ON THE FRONT OF THE LINIT ARE BLINKING INDOOR COIL SENSOR IS DEFECTIVE 25 11 CHECKING ELECTRICAL COMPONENTS 1 Measurement of Insulation Resistance The insulation is in qood condition if the resi stance exceeds 1MOhm a b c PROBE Power Supply Wires Clamp the earthed wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires Fig 1 Then measure the resistance between the earthed wire and the other power wires Fig 1 Unit Clamp an aluminium
12. ach type of line When transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminium fins on the air conditioner can cut your fingers When installing In a ceiling Make sure the ceiling is strong enough to hold the unit weight It may be necessary to build a strong wooden or metal frame to provide added support IN a room Properly insulate any tubing run inside a room to prevent sweating which can cause dripping and water damage to walls and floors lh moist or uneven locations Use a raised concrete base to provide a solid level foundation for the outdoor unit This prevents damage and abnormal vibrations In area with strong winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle IN a snowy area for heat pump type systems Install the outdoor unit on a raised platform that is higher then drifting snow Provide snow vents When connecting refrigerant tubing Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them screw by hand and then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run NOTE Dependin
13. g on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is specified as narrow tube for liquid wide tube for gas When servicing Turn the power OFF at the main power board before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after the work remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced e Ventilate the room during the installation or testing the refrigeration system make sure that after the installation no gas leaks are present because this could produce toxic gas and dangerous if in contact with flames or heat sources Table of Contents 1 SPECIFICATIONS 1 1 Unit specifications 1 2 Major Component specifications 1 3 Other Component specifications 2 DIMENSIONAL DATA 2 1 Unit Dimensions 3 REFRIGERANT FLOW DATA 3 1 Refrigerant Flow Diagram 4 ELECTRICAL DATA 4 1 Electric Wiring Diagram 5 PERFORMANCE DATA 5 1 Performance Chart 6 FUNCTIONS 6 1 Cool Mode Operation 6 2 Dry Mode Operation 6 3 Fan Mode Operation 6 4 Auto Fan Speed 6 5 Forced Mode 6 6 Protection Operation in Cool and Dry Mode 6 7 FEEL Function 6 8 NIGHT Function 6 9 Drain Pump 7 DIAGNOSTIC 8 JUMPERS CONFIGURATION 9 MAINTENANCE 10 TROUBLESHOOTING 11 CHECKING ELECTRICAL COMPONENTS
14. inter bounces to a m great extent and the gradually returns to its origi A nal position The range of deflection and deflection time deffer according to capacity of the capacitor l COMPRESSOR MOTOR CAPACITOR FAN MOTOR CAPACITOR Fig 7 27 argo clima spa Via Varese 90 21013 Gallarate VA Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima com
15. ir Conditioner In case of more than one air conditioner operating in the same room it may be necessary to assign an address to each unit in order to avoid operation conflicts Address is set acting on the dip switches located on the indoor PCB and on the remote controller The PCB settings must match the corresponding ones on the wireless remote controller ON How to change address of the air conditioner Dip switch is located on the indoor PCB near the buzzer 1 2 Set the PCB to the address desidered UNIT SETTINGS s e As default switches SW1 and SW2 are in off status PCB factory state How to change address on Remote Control Unit Dip switch is located on the battery compartment 1 Pull out the door and remove the batteries 2 Set the switch SW1 and SW2 according to the indoor PCB settings do not act on SW3 and SW4 3 Insert the batteries and pull on the door As default switches SW1 and SW2 are in off status remote controller factory state a dqECROS ps a y UM 4 AAA P IECRO3 1 5V N LJ 0 17 10 TROUBLESHOOTING CHECK BEFORE AND AFTER TROUBLESHOOTING A Check power supply wiring Check the power supply wires are correctly connected B Check power supply Check that v
16. jor Component Specifications AUG38PCLI Controller PCB Model SAC ON OFF IDU Controls Microprocessor Control Circuit Fuse F1 250VAC 3 15A T Jumper Setting JP1 JP5 2 54mm 5 pcs Remote Control Unit SAC WREM Thermistor Coil Sensor NTC with Brass Pipe Resistance at 25 C kQ 10 3 Thermistor Room Sensor TH Room Resistance at 25 C kQ 10 596 Fan Motor Indoor Unit FMI Model K35406 MO2024 Number Diameter Length Cross Flow 100 410 No Of Pole RPM High Med Low 230V 4 1350 1275 1165 Nominal Input 2f Coil Resistance at 25 C GRY WHT 545 630 5 WHT VLT 92 105 5 VLT ORG 62 71 5 GRY BRN 78 90 5 Safety Device Internal Bimetallic Type Setting Operating temp 150 10 Autoreset Run Capacitor C 2 00 440 Fan Motor Outdoor Unit FMO Model K35610 MO1525 Diameter 340 No Of Pole RPM 230V 6 885 Nominal Input 75 Coil Resistance at 25 C BLU BRN 230 x 5 BLU BLK 243 x 596 oafety Device Internal Bimetallic Type Setting Operating temp 150 5 Autoreset Run Capacitor C 2 5 450 Compressor Rotary Hermetic Model 80235455 Nominal Cooling Capacity 3680 Compressor Oil RB68A or Freol Alpha68M Compressor Oil DAPHNE FV68S or equivalent 520 Coil Resistance at 20 C C R 2402 at 25 C C S 3582 Run Capacitor C 30 450 Overload Relay OLR Ex
17. oltage is in specified range 10 of the rating Check that power is being supplied WARNING If the following troubleshooting must be done with power supplied be careful not to touch any uninsulated live part that can cause ELECTRIC SHOCK BREAKER TRIPS OR FUSE BLOWS When circuit breaker is set to ON it trips in a few moments Resetting is not possible Measure insulation resistance There is a possibility of ground fault If resistance value is 1 Mohm or less insulation is defective TRIPS IN SEVERAL MINUTES AFTER TURNING AIR CONDITIONER 1 There is the possibility of short circuit CHECK CAPACITY OF CIRCUI BREAKER REPLACE WITH ANOTHER OF LARGER CAPACITY OF CIRCUIT BREAKER IS CAPACITY SUITABLE YES MEASURE RESISTANCE OF COMPRESSOR MOTOR WINDING MEASURE RESISTANCE OF OUTDOOR FAN MOTOR WINDING 18 2 The unit does not run Power is not supplied Check fuse on PCB assy IF FUSE BLOWS THERE IS A POSSIBILITY OF SHORT CIRCUIT CHECK POWER SUPPLY IS POWER BEING SUPPLIED TO WALL RECEPTACLE MEASURE RESISTANCE OF INDOOR FAN MOTOR WINDING CIRCUIT BREAKER IS POWER FAILURE TRIPPED WAIT FOR RECOVERY OR RESET THE BREAKER CONTACT POWER COMPANY C WATER LEVEL ALARM OPERATION LAMP IS BLINKING Malfunctioning of the condensate drainanege system NOTE In case of emergency the air conditioner can work b
18. ternal Operating Temperature Close 69 11 Short Time Trip 6 16 Sec At 25 C 23 5 DATA SUBJECT TO CHANGE WITHOUT NOTICE Condensate Pump Model AUG38PCLI PC 95643 Rating 230V 50Hz Nominal Input 12 10 Coil Resistance at 20 C Safety Float Switch Model 122 10 F83161 3 Contact Rating 10 4 A 250VAC Float Open Close Alluminium Plate Fin Copper Tube 2 Fin Pitch 1 8 Face Area Heat Exchan Coil 0 185 Alluminium Plate Fin Copper Tube Rows 3 Fin Pitch 1 6 Face Area 0 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 3 Other Component Specifications OPERATING RANGE Indoor Air Intake Outdoor Air Intake Temperature Temperature Temperature Coolin Maximun 32 C DB 23 C WB 46 C DB 9 Minimun 19 C DB 14 C WB 19 C DB Dr Maximun 32 C BS 80 R U 43 C DB y Minimun 16 C BS 8096 R U 16 C DB DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 DIMENSIONAL DATA 2 1 Unit Dimensions wass 1 i i l Li UM i ae NH n AUG38PCLI 3 REFRIGERANT FLOW DATA 3 1 Refrigerant Flow Diagram Heat exchanger ED Capillary tube Strainer 4 ELECTRICAL DATA 4 1 Electric Wiring Diagram GRN YEL J1 BLU SW2 REM PCB Bra JP3 SAC DNCORE JP4 UPS J4 GRN J5 RED J6 BLK J
19. when Ovagfkv hen C THERMO is ON THERMO is OFF unit is OFF FS Open Contact CGN FMO Thermostat Drain pump 14 7 DIAGNOSTIC With this feature is possible to have a visual signal that a trouble is occurring This mode is always active and the signalling is made through the display board LEDS In case of no troubles the LEDS status follows its normal function NOTES The troubles are showed according a priority list that is in case of more than one trouble present is always showed at first the one with the highest priority 1 gt 25 3 etc Sensor damaged means a situation where sensor is short circuited or opened n case of damaged sensors the system CM FMO FMI etc if in OFF state does not start e WRONG MODE SELECTED means a situation where the operating mode chosen with remote controller does not comply with the one allowed by jumpers settings Priority TROUBLE LEDS status Effects LD1 stby LD2 opr m 1 Noparameters F 2 E 11 9 fo System does not operate ICT damaged Ep 4 WRONG MODE F i SKOR ii O 6 9 DRAIN PUMP O LED off LED on F LED blinking 15 8 JUMPERS CONFIGURATION Jumpers are located on the indoor PCB near the MODE button JP 1 JP2 JP3 JP4 a UPS MODE BUTTON Unit is shipped with jumpers set according to the following table JUMPER STATUS 16 9 MAINTENANCE Changing the Address of the A
20. y draining the condensate from the little pipe into a rather short container Extract the little pipe and remove the cap IS THE CONDENSATE DRAIN SYSTEM OBSTRUCTED YES REMOVE THE OBSTRUCTION NO h 4 CHECK ELECTRICAL COMPONENTS CONNECTIONS AND CONTINUITY OF INTERNAL WIRING CHECK FLOAT SWITCH FS IS IT DEFECTIVE Yen REPLACE FLOAT SWITCH NO CHECK DRAIN PUMP MOTOR DP IS IT DEFECTIVE YES REPLACE DRAIN PUMP 19 D UNIT AND COMPRESSOR DO NOT RUN The unit does not run when air conditioner is in the follwing conditions When the room temperature is below the setting temperature During the protection modes CHECK PCB TRY TO LOWER SET POINT TEMPERATURE THROUGH THE REMOTE CONTROLER DOES THE UNIT RUN NO IS THE ROOM TEMPERATURE TOO LOW NO CHECK ROOM SENSOR TH ROOM YES THE PCB ASSY IS DEFECTIVE IS IT OK NO REPLACE ROOM SENSOR TH ROOM 20 E somE PARTS OF THE AIR CONDITIONER DO NOT OPERATE INDOOR OUTDOOR FAN DOES NOT RUM CHECK FOR FOREIGN MATTER REMOVE FOREIGN MATTER INSIDE THE FAN CASING OR REPAIR THE FAN CHECK THE FAM ROTATION TURN THE FAN GENTLY ONCE OR TWICE BY HAND CAN THE FAN BE TURNED ON REPAIR THE FAN OR REPLACE IT FAN MOTOR BURNOUT OR FOREIGN MATTER IN BEARING REPLACE THE FAN MOTOR CHECK FAN MOTOR CAPACITOR CAPACITOR IS IT DEFECTIVE e MEASURE THE RESIST
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