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6-6 Air Conditioner Operates, but Abnormalities are Observed

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Содержание MPAF188C5TAA

Страница 1: ...AA MPAF188C5TAA MPAF228R5TAA MPAF228C5TAA 0 8180 536 1 October 2008 Product Code No MPAF188R5TAA 38 7104 033 HEAT PUMP MODELS COOLING MODELS MPAF228C5TAA 38 7104 038 SPLIT SYSTEM AIR CONDITIONER MPAF228R5TAA 38 7104 034 MPAF188C5TAA 38 7104 037 Model No ...

Страница 2: ...ring to touch the refrigerant tubing compressor or any moving parts of the fan Do not use multi core cable when wiring the power supply and control lines Use separate cables for each 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...

Страница 3: ...5 10 I FEEL Function 19 5 11 NIGHT Function 19 5 12 Diagnostic 20 5 13 Jumpers Configuration 21 5 14 Contacts for Building Automation 22 5 15 Maintenance 23 6 TROUBLESHOOTING 24 6 1 Check before and after troubleshooting 24 6 2 Circuit Breaker Trips or Fuse Blows 24 6 3 Circuit Breaker in several minutes after turning air conditioner 24 6 4 Unit and Compressor do not run 25 6 5 Some parts of the A...

Страница 4: ...r Wide tube mm in Refrigerant Refrigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping volume m3 DATA SUBJECT TO CHANGE WITHOUT NOTICE R410A Flare type Washable Anti Mold 59 Cooling Heating See catalogue with the requested matching 880 710 580 360 Microprocessor I C thermost...

Страница 5: ...rigerant Refrigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping volume m3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Wireless remote control unit See catalogue with the requested matching Microprocessor I C thermostat 880 710 580 220 240 V 50 Hz 230 V 50 Hz Cooling Heating 290 ...

Страница 6: ... Type Operating temp Open C Close Run capacitor µF VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Ω Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 0 25 SAC ON OFF IDU SAC W REM Cross flow UF2Q 21SB5P 1 2 1550 1250 1025 Aluminium plate fin Copper tube DC 12 V 400 7 2 1 3 440 MP24Z2 Stepping motor 24 07 YEL ORG 73 55 Microprocessor 250 V 3 1...

Страница 7: ...emp Open C Close Run capacitor µF VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Ω Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE YEL ORG 73 55 79 15 1 5 440 YEL PNK 43 72 termal protector 130 8 0 25 Stepping motor MP24Z2 DC 12 V 400 7 Aluminium plate fin Copper tube 2 1 3 250 V 3 15 A SAC W REM 1 Ø 88 L 746 Cross flow 2 54mm 5pcs SAC ON O...

Страница 8: ...y Secondary Thermal cut off temp PTC on the board Thermistor Coil sensor Resistance kΩ Thermistor Room sensor Resistance kΩ DATA SUBJECT TO CHANGE WITHOUT NOTICE A040C5026AA AC 230 V 50 Hz 13 V 5VA NTC THERMISTOR 10 at 25 C NTC THERMISTOR C 883 120 C 10 at 25 C 8 ...

Страница 9: ...2 DIMENSIONAL DATA REAR WIEW dimension in mm DRAIN HOSE D 18 WIDE TUBE MPAF188xx D 12 7 1 2 MPAF228xx D 15 88 5 8 NARROW TUBE D 6 35 1 4 CENTER OF TUBING HOLE 2 PLACES 9 ...

Страница 10: ...C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Horizontal distance m Axis air velocity m s Vertical distance m Room air temp 20 C Fan speed High Heating 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 10 ...

Страница 11: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagram HEAT PUMP MODELS COOLING MODELS 11 ...

Страница 12: ...se version HEAT PUMP MODELS 1 phase COOLING MODELS 1 phase 3 phase model A B power supply control line delayed fuse 2 5 1 5 16 A GRF228 GRF188 MPAF188R5T MPAF228R5T MPAF228R5T GRF188R5T GRF228R5T GRF228R7T MPAF188C5T GRF188L5T MPAF188C5T MPAF228C5T GRF188L7T GRF228L7T 12 ...

Страница 13: ...peed 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...

Страница 14: ...tically according to the RT SPT NOTES 1 After the CM has stopped the FMI runs for 30s in order to purge heat from the indoor coil 2 The FMI will not be turned on until the indoor coil temperature is warm enough to prevent the supply of cool air see COLD DRAFT PREVENTION feature for details The indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec ...

Страница 15: ...the Auto Cooling and Auto Heating in order to maintain the room temperature RAT at the prescribed set point SPT The switching between the two modes is according to the above graph Refer to the sections 5 1 COOLING MODE and 5 2 HEATING MODE for system operation details HEAT PUMP MODELS 15 ...

Страница 16: ...f and 3 minutes ON 15 C FMI switches off and L during CM operation RV off CM off 15 C DRY OFF ZONE FMO off FMI off RV off SPT Set Point Temperature 5 5 Fan Mode Operation With this mode the indoor fan is turned on while CM FMO and RV stay off all the time The user can select between 3 speeds HIGH MEDIUM and LOW 5 6 Auto Fan speed With this option selected the indoor fan speed changes automatically...

Страница 17: ...l and Dry Mode 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 B 30 seconds OFF LEVEL 2 INDOOR FAN SPEED ANY as...

Страница 18: ...e changed manually through the remote controller The protection acts in the following 5 9 2 Defrost The defrost process is controlled by a detection algorithm designed in order to mantain optimal utilization of the heat pump capacity especially during negative outdoor temperature conditions During DEFROST OPERATION the main components operates according to the following chart HEAT PUMP MODELS 6 se...

Страница 19: ...5 9 3 Overheat This feature prevents the build up of high pressure in the indoor heat exchanger during heating operation MPAF188R5 MPAF228R5 A C 60 60 B C 55 54 C C 49 49 A B C ICT C CM FMO 19 ...

Страница 20: ...cated It is possible to de activate this option pressing the I FEEL button on the remote controller In this case the I FEEL icon is no longer displayed and room temperature is detected through the sensor included in the indoor unit 5 11 NIGHT Function When this function is active room temperature changes automatically to compensate for body temperature variations while sleeping After 10 hours of o...

Страница 21: ...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 2 3 etc Sensor damaged means a situation where sensor is short circuited or opened In case of damaged sensors the system CM FMO FMI etc if in OFF state does not start Priority TROUBLE LD1 stby LD2 opr LD3 timer 2 RAT damaged F O O 3 ICT damaged F F O O LED...

Страница 22: ...ndoor PCB near the MODE button Unit is shipped with jumpers set according to the following table JUMPER HEAT PUMP MODELS JP1 open JP2 open JP3 open JP4 closed JP5 closed HEAT PUMP MODELS COOLING MODELS STATUS COOLING MODELS closed open closed open closed 22 ...

Страница 23: ...t processed Contact CLOSED system operates in the normal way according to the inputs coming from wireless remote controller 5 14 2 OUTPUT CONTACT J12 This connector is directly tied to the contact normally open of a power relay which activates every time the following alarm condition occur RAT damaged ICT damaged In this case when alarm happens on poles 1 and 3 of J12 connector 220 VAC 50Hz are av...

Страница 24: ... address of the air conditioner Dip switch is located on the indoor PCB near the buzzer Set the PCB to the address desidered UNIT ADDRESS SW1 SW2 1 off off 2 off on 3 on off 4 on on 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 s...

Страница 25: ...ng must be done with power supplied be careful not to touch any uninsulated live part that can cause eletric shock 6 2 Circuit 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 6 3 Circuit Breaker Trips in...

Страница 26: ... does not run 6 4 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 26 ...

Страница 27: ...6 5 Some Parts of the Air Conditioner Do Not Operate 27 ...

Страница 28: ...6 6 Air Conditioner Operates but Abnormalities are Observed 28 ...

Страница 29: ...29 ...

Страница 30: ...6 7 Poor Cooling or Heating 30 ...

Страница 31: ...6 8 Excessive Cooling or Heating 6 9 A Sensor Is Defective 31 ...

Страница 32: ...power wires fig 1 b Unit Clamp an alluminium plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on N terminal and then on Lterminal the terminal plate fig 2 c Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the disired electric part from terminal plate PCB assy capacitor etc Similary d...

Страница 33: ...d wires from the capacitor terminals and then place a probe on the capacitor terminals 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 pointer bounces to a great extent and the gradually returns to its original position The range of deflection and deflection time deffer according to c...

Страница 34: ...R D 28 Reyrieux BP 131 01601 Trévoux CEDEX France Tél 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728 ...

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