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SiUS121632EA

Troubleshooting for FFQ Series

Service Diagnosis

159

6.11 Mismatching of Indoor Unit and Outdoor Unit

Error Code

Error Decision
Conditions

Improper combination of indoor and outdoor units

Supposed
Causes

Defective indoor unit PCB

Indoor-outdoor unit transmission wiring error

Defective optional unit(s) wirings

Improper power supply wiring of indoor unit

Improper wiring of connecting wires between indoor/outdoor units

Troubleshooting

Connect the wirings correctly.

Replace the indoor unit PCB
(control PCB).

Normal

Connect the wirings correctly.

Check the power supply system
inside the indoor unit.

Could be incorrect wiring.
Check again.

YES

Connect the indoor/outdoor
units correctly.

YES

Blink

(R24591)

Is the combination

of indoor/outdoor

units correct?

Do the service

monitors of all the

indoor units blink?

Are the wirings

between indoor unit and

outdoor unit correctly

connected?

Connect the wirings correctly.

Is the optional

units power supply

connected from the
indoor unit terminal

block No.1 and

No.2?

Does the system conduct

normal operation?

Are the wirings

between indoor unit and

outdoor unit correctly

connected?

Turn off the power supply.
Then, turn on the power
supply to restart the system.

Continuously

ON or OFF

Is the voltage

between No.1 and

No.2 on the indoor

unit terminal block

208 - 230

VAC?

Caution

Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.

Содержание CTXG09QVJUW

Страница 1: ...Service Manual 2 3MXL Q Series SiUS121632EA Applied Models z Inverter Multi Heat Pump Multi Split Type Air Conditioners...

Страница 2: ...Unit CTXG09QVJUW FDXS09LVJU FVXS09NVJU FFQ09Q2VJU CTXG09QVJUS FDXS12LVJU FVXS12NVJU FFQ12Q2VJU CTXG12QVJUW CDXS15LVJU FVXS15NVJU FFQ15Q2VJU CTXG12QVJUS CDXS18LVJU FVXS18NVJU FFQ18Q2VJU CTXG18QVJUW CTX...

Страница 3: ...07LVJU FTXS09 12LVJU 21 1 3 FTXS15 18LVJU 23 1 4 FDXS09 12LVJU CDXS15 18LVJU 25 1 5 FVXS09 12 15 18NVJU 27 1 6 FFQ09 12 15 18Q2VJU 29 2 Wired Remote Controller 30 2 1 BRC1E73 30 3 Wireless Remote Cont...

Страница 4: ...Option 75 3 10 Other Functions 78 4 Control Specification 79 4 1 Thermistor Functions 79 4 2 Mode Hierarchy 81 4 3 Frequency Control 82 4 4 Controls at Mode Changing Start up 84 4 5 Discharge Pipe Te...

Страница 5: ...Related Abnormality 149 6 4 Humidifier or Related Abnormality 151 6 5 Thermistor or Related Abnormality 152 6 6 Presence Sensor or Floor Sensor Abnormality 153 6 7 Remote Controller Thermistor Abnorma...

Страница 6: ...zer Check 195 8 9 Rotation Pulse Check on the Outdoor Unit PCB 196 8 10 Installation Condition Check 197 8 11 Discharge Pressure Check 197 8 12 Outdoor Fan System Check 198 8 13 Main Circuit Short Che...

Страница 7: ...rding Safety of Workers Warning Do not store equipment in a room with fire sources e g naked flames gas appliances electric heaters Be sure to disconnect the power cable from the socket before disasse...

Страница 8: ...2 in the refrigerant system If air enters the refrigerant system an excessively high pressure results causing equipment damage and injury Warning Caution Do not repair electrical components with wet h...

Страница 9: ...ive heat generation or fire Be sure to use an exclusive power circuit for the equipment and follow the local technical standards related to the electrical equipment the internal wiring regulations and...

Страница 10: ...ot conducted securely the equipment may fall and cause injury Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug is dusty...

Страница 11: ...sulation resistance after the repair and make sure that the resistance is 1 M or higher Faulty insulation may cause an electrical shock Be sure to check the drainage of the indoor unit after the repai...

Страница 12: ...ion is used when there is danger that the reader through incorrect manipulation may damage equipment lose data get an unexpected result or have to restart part of a procedure Note Note A Note provides...

Страница 13: ...SiUS121632EA List of Functions 1 Part 1 List of Functions 1 Functions 2...

Страница 14: ...airflow z Anti corrosion treatment of outdoor heat exchanger COMFORT AIRFLOW operation z Comfort Control Auto fan speed z Flexibility Multi split split type compatible indoor unit Indoor unit quiet o...

Страница 15: ...sion treatment of outdoor heat exchanger 3 D airflow z z COMFORT AIRFLOW operation z z Flexibility Multi split split type compatible indoor unit z Comfort Control Auto fan speed z z Indoor unit quiet...

Страница 16: ...nt of outdoor heat exchanger 3 D airflow COMFORT AIRFLOW operation Flexibility Multi split split type compatible indoor unit z Comfort Control Auto fan speed z z Indoor unit quiet operation z z Flexib...

Страница 17: ...flow Anti corrosion treatment of outdoor heat exchanger COMFORT AIRFLOW operation Comfort Control Auto fan speed z Flexibility Multi split split type compatible indoor unit Indoor unit quiet operation...

Страница 18: ...f diagnosis R C LED z z Individual flap control z 1 Wiring error check function 3 D airflow Anti corrosion treatment of outdoor heat exchanger COMFORT AIRFLOW operation Comfort Control Auto fan speed...

Страница 19: ...atment of outdoor heat exchanger z z Auto swing right and left 3 D airflow Flexibility Multi split split type compatible indoor unit COMFORT AIRFLOW operation Comfort Control Auto fan speed Flexible p...

Страница 20: ...SiUS121632EA 8 Specifications Part 2 Specifications 1 Indoor Unit 9 1 1 CTXG Series 9 1 2 CTXS FTXS Series 11 1 3 FDXS CDXS Series 13 1 4 FVXS Series 14 1 5 FFQ Series 15 2 Outdoor Unit 16...

Страница 21: ...uid in mm 1 4 6 4 1 4 6 4 Gas in mm 3 8 9 5 3 8 9 5 Drain in mm 11 16 18 11 16 18 Drawing No 3D105562 3D105565 Model CTXG12QVJUW CTXG12QVJUS Cooling Heating Cooling Heating Rated Capacity 12 kBtu h Cl...

Страница 22: ...4 0 14 0 21 0 21 0 14 0 14 0 21 0 21 Power Consumption Rated W 28 28 42 42 28 28 42 42 Power Factor Rated 96 1 87 0 96 2 87 0 96 1 87 0 96 2 87 0 Temperature Control Microcomputer Control Microcompute...

Страница 23: ...or White White Airflow Rate H cfm m min 381 10 8 420 11 9 403 11 4 438 12 4 M 279 7 9 321 9 1 307 8 7 335 9 5 L 194 5 5 233 6 6 205 5 8 240 6 8 SL 145 4 1 219 6 2 155 4 4 212 6 0 Fan Type Cross Flow F...

Страница 24: ...d A 0 31 0 29 0 31 0 29 0 32 0 30 0 32 0 30 Power Consumption Rated W 38 38 38 38 38 38 38 38 Power Factor Rated 58 9 57 0 58 9 57 0 57 1 55 1 57 1 55 1 Temperature Control Microcomputer Control Micro...

Страница 25: ...in mm 1 4 6 4 1 4 6 4 Gas in mm 3 8 9 5 3 8 9 5 Drain in mm 25 32 20 25 32 20 Drawing No 3D075493 3D075494 Model CDXS15LVJU CDXS18LVJU Cooling Heating Cooling Heating Rated Capacity 15 kBtu h Class 18...

Страница 26: ...pes Piping Connections Liquid in mm 1 4 6 4 1 4 6 4 Gas in mm 3 8 9 5 3 8 9 5 Drain in mm 13 16 20 13 16 20 Drawing No 3D101722 3D101724 Model FVXS15NVJU FVXS18NVJU Cooling Heating Cooling Heating Rat...

Страница 27: ...3 8 9 5 3 8 9 5 Drain in mm VP20 O D 1 1 32 26 VP20 O D 1 1 32 26 Drawing No 3D106061A 3D106062 Model FFQ15Q2VJU FFQ18Q2VJU Cooling Heating Cooling Heating Rated Capacity 15 kBtu h Class 18 kBtu h Cl...

Страница 28: ...5 Dimension H W D in mm 28 15 16 34 1 4 12 5 8 735 870 320 Packaged Dimension H W D in mm 31 7 8 41 3 8 17 1 2 810 1 050 444 Weight Mass Lbs kg 139 63 Gross Weight Gross Mass Lbs kg 155 71 Sound Pres...

Страница 29: ...nsion H W D in mm 28 15 16 34 1 4 12 5 8 735 870 320 Packaged Dimension H W D in mm 31 7 8 41 3 8 17 1 2 810 1 050 444 Weight Mass Lbs kg 140 63 Gross Weight Gross Mass Lbs kg 156 71 Sound Pressure Le...

Страница 30: ...1 Indoor Unit 19 1 1 CTXG09 12 18QVJUW S 19 1 2 CTXS07LVJU FTXS09 12LVJU 21 1 3 FTXS15 18LVJU 23 1 4 FDXS09 12LVJU CDXS15 18LVJU 25 1 5 FVXS09 12 15 18NVJU 27 1 6 FFQ09 12 15 18Q2VJU 29 2 Wired Remot...

Страница 31: ...ector for swing motors 5 S42 Connector for reduction motor front panel mechanism and limit switch 6 S46 Connector for display signal receiver PCB A2P 7 S200 Connector for DC fan motor 8 H1 H2 H3 Conne...

Страница 32: ...Improper operation may occur if you cut any of them INTELLIGENT EYE Sensor PCB A3P 1 S51 Connector for control PCB A1P 2 S52 Connector for room temperature thermistor 3 S1W Indoor unit ON OFF button...

Страница 33: ...Connector for INTELLIGENT EYE sensor PCB PCB4 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB PCB3 7 S47 Connector for signal receiver PCB PCB2...

Страница 34: ...es on the appropriate wiring diagram 1 S48 Connector for control PCB PCB1 3P210728 1 S48 1 S49 Connector for control PCB PCB1 2 SW1 Indoor unit ON OFF button 3 LED1 H1P LED for operation green 4 LED2...

Страница 35: ...ector for INTELLIGENT EYE sensor PCB PCB4 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB PCB3 7 S47 Connector for signal receiver PCB PCB2 8 H1...

Страница 36: ...es on the appropriate wiring diagram 1 S48 Connector for control PCB PCB1 3P224121 1 S48 1 S49 Connector for control PCB PCB1 2 SW1 Indoor unit ON OFF button 3 LED1 H1P LED for operation green 4 LED2...

Страница 37: ...motor Hall IC 3 S21 Connector for centralized control HA 4 S26 Connector for display signal receiver PCB A2P 5 S32 Connector for indoor heat exchanger thermistor 6 H1 H2 H3 Connector for terminal bloc...

Страница 38: ...does not function Note The symbols in the parenthesis are the names on the appropriate wiring diagram 1 S1 Connector for control PCB A1P 2 SW1 S1W Indoor unit ON OFF button 3 LED2 H2P LED for timer ye...

Страница 39: ...4 S32 Indoor heat exchanger thermistor 5 S41 Connector for lower air outlet motor 6 S42 Connector for swing motor 7 S46 Connector for display signal receiver PCB PCB4 8 S48 Connector for sensor PCB PC...

Страница 40: ...2 RTH2 R1T Room temperature thermistor S49 RTH2 3P191450 1 1 S27 Connector for control PCB PCB2 2 SW2 S2W 4 Switch for upward airflow limit setting Refer to page 217 for details Keep the other switch...

Страница 41: ...Connector for drain pump motor 7 X27A Connector for terminal block for inter unit wiring 8 X30A Connector for terminal block for wired remote controller 9 X33A Connector for adaptor for wiring option...

Страница 42: ...ler SiUS121632EA 30 Printed Circuit Board Connector Wiring Diagram 2 Wired Remote Controller 2 1 BRC1E73 Wired Remote Controller PCB 1 P1 P2 Terminal for indoor unit 2 R4T Room temperature thermistor...

Страница 43: ...g diagram 1 X1A Connector for receiver A3P 2 X2A Connector for control PCB A1P 3 SS1 MAIN SUB setting switch Refer to page 223 for details 4 SS2 Address setting switch Refer to page 223 for details 3P...

Страница 44: ...or electronic expansion valve coil C port 24 class 6 S40 Connector for overload protector 7 S70 Connector for DC fan motor 8 S80 Connector for four way valve coil 9 S90 Connector for thermistors outdo...

Страница 45: ...SiUS121632EA Outdoor Unit Printed Circuit Board Connector Wiring Diagram 33 V401 FU1 E1 E2 HL1 HN1 V3 V2 FU3 S S15 S22 S21 S20 S201 S92 S90 S93 S40 S70 FU2 S80 U V W S202 2P350358 12...

Страница 46: ...een 3 LED1 LED5 LED for service monitor red 4 SW1 Forced operation ON OFF switch Refer to page 203 for details 5 SW2 Operation mode switch Refer to page 203 for details 6 SW3 Wiring error check switch...

Страница 47: ...r Functions 62 3 FFQ Series Functions 64 3 1 Airflow Direction Control 64 3 2 Fan Speed Control for Indoor Unit 64 3 3 Program Dry Operation 65 3 4 Clock and Calendar Setting With Wired Remote Control...

Страница 48: ...121632EA 36 Functions and Control 4 10 Liquid Compression Protection Function 88 4 11 Defrost Control 89 4 12 Low Hz High Pressure Limit 90 4 13 Electronic Expansion Valve Control 91 4 14 Malfunctions...

Страница 49: ...the temperature detected by room temperature thermistor and the temperature of lower part of the room depending on the type of the indoor unit or installation condition Practically the temperature con...

Страница 50: ...he room temperature constant Energy saving heating and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Phase Description 1...

Страница 51: ...to page 203 for details Frequency Functions Low Four way valve operation compensation Refer to page 84 High Compressor protection function Refer to page 85 Discharge pipe temperature control Refer to...

Страница 52: ...uring cooling or dry operation the flap retracts into the indoor unit Then cool air can be blown far and distributed all over the room Heating During heating operation the large flap directs airflow d...

Страница 53: ...ght and left Cooling Dry Heating Fan 07 09 12 class 15 18 class Flap up and down Cooling Dry Heating Upward airflow limit OFF R6831 R6829 Upward airflow limit ON R6832 R6830 15 45 35 55 R13527 30 70 3...

Страница 54: ...re alternated and the airflow direction changes in the order shown in the following diagram 1 The louvers move from the right to the left 2 The flaps move downward 3 The louvers move from the left to...

Страница 55: ...blown from the upper air outlet Use this switch when you do not want air coming out of the lower air outlet e g while sleeping Air is blown from the upper outlet only Front panel The blow pattern is a...

Страница 56: ...is M tap in 30 minutes from the operation start Heating In heating operation the fan speed is regulated according to the indoor heat exchanger temperature and the difference between the room thermisto...

Страница 57: ...ones Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Thermostat turns on also when the room temperature is in the zone B...

Страница 58: ...itching point Tr Tt 3 0 C 5 4 F CTXG CTXS FTXS series Tr Tt 2 5 C 4 5 F CDXS FDXS FVXS series 2 Cooling Heating switching point Tr Tt 2 5 C 4 5 F CTXG series Tr Tt 3 0 C 5 4 F CTXS FTXS CDXS FDXS FVXS...

Страница 59: ...he zone C after being in the zone A The system resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature diff...

Страница 60: ...oling or lowers it slightly in heating This prevents excessive cooling or heating to ensure comfortable sleeping conditions and also conserves electricity Cooling Heating Zone B Zone A OFF ON Zone C 2...

Страница 61: ...evices and air conditioners It can be easily activated by pressing ECONO button on the wireless remote controller Details When this function is activated the maximum capacity also decreases The remote...

Страница 62: ...mpling every 20 msec If the motion sensor detects 10 times or more of the wave output in one second in total and the High signal continues for 3 sec the microcomputer judges humans are in the room as...

Страница 63: ...ON in both area A and B Shift the airflow direction to area B left side 2 Human detection signal ON in area A Shift the airflow direction to area B left side 3 Human detection signal ON in area B Shi...

Страница 64: ...no signal from the motion sensor in 20 minutes the microcomputer judges that nobody is in the room and operates the unit at a temperature shifted from the target temperature Cooling Dry 1 2 C 1 8 3 6...

Страница 65: ...operation in cooling Note POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT QUIET operation Operation mode Fan speed Target temperature COOL H tap A rpm 18 C 64 4...

Страница 66: ...ndoor unit Operating status can be monitored even in automatic operation in accordance with the actual operation mode The lamp color changes according to the operation AUTO Red Blue DRY Green COOL Blu...

Страница 67: ...e clock to the current day of the week 3 Press CLOCK button blinks 4 Press SELECT or SELECT button to adjust the clock to the present time Holding down SELECT or SELECT button increases or decreases t...

Страница 68: ...ogram 2 program 3 program 4 ON OFF ON OFF 6 00 8 30 17 30 22 00 77 F 25 C 81 F 27 C program 1 program 2 program 3 program 4 ON OFF ON OFF Saturday No timer settings Sunday Make timer settings for prog...

Страница 69: ...splayed 1 to 4 settings can be made per day Pressing changes the reservation number and the day of the week 3 Press The day of the week and reservation number will be set and blink 4 Press to select t...

Страница 70: ...procedure from STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp periodically lights orange The multi monitor lamp will not light orange if all the reservation sett...

Страница 71: ...copied The whole reservation of the selected day of the week will be copied Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and blinking of the multi mon...

Страница 72: ...to setting mode Proceed to Setting mode STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp periodically lights orange The multi monitor lamp will not light orange i...

Страница 73: ...2 Press to select the day of the week and the reservation number to be deleted and or blink Pressing changes the ON OFF TIMER mode in sequence Selecting blank will cancel any reservation you may have...

Страница 74: ...14 2 Signal Receiving Sign When the indoor unit receives a signal from the remote controller the unit emits a signal receiving sound and the operation lamp blinks 2 14 3 Indoor Unit ON OFF Button ON...

Страница 75: ...power failure even a momentary one occurs during the operation the system restarts automatically in the same conditions as before when the power supply is restored to the conditions prior to the powe...

Страница 76: ...operation with the airflow discharging horizontally Individual Flap Control With decoration panels BYFQ60C2W1W S and wired remote controller BRC1E73 you can control each one of the four flaps individ...

Страница 77: ...perature is divided into two zones Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room thermistor temperature at start...

Страница 78: ...down the button causes the number to change continuously Press buttons to select Clock Calendar on the main menu screen Press Menu OK button to display the clock calendar screen Select Month with but...

Страница 79: ...ange the minute with buttons Holding down the button causes the number to change continuously Press Menu OK button The confirmation screen will appear The date can be set between January 1 2015 and De...

Страница 80: ...eriod __ Indicates that the temperature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will be utilized Refer to Setback function on page 72 f...

Страница 81: ...ed 3 Press buttons to select Yes on the confirmation screen Pressing Menu OK button enters the daily patterns in the schedule and takes you back to the main menu screen R24074 1 The schedule screen wi...

Страница 82: ...rature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will be utilized Indicates that the setback function is disabled for this time period 5...

Страница 83: ...Press Menu OK button to display the enable disable screen Press buttons to select Enable or Disable on the enable disable screen Press Menu OK button after selecting the item The confirmation screen i...

Страница 84: ...n enabled the Setback mode becomes active when the indoor unit is turned off by either the user a schedule event or an off timer Setback function is not available by default It can be enabled by the s...

Страница 85: ...then turns ON again after 5 seconds 4 After A3 is determined and the unit comes to an abnormal stop the thermostat will remain OFF even if the float switch turns ON again 3 7 3 If the Float Switch is...

Страница 86: ...ne At startup with thermostat ON or after the completion of defrosting in heating operation the indoor unit fan is controlled to prevent cold air from blasting out and ensure startup capacity Details...

Страница 87: ...oration panel BYFQ60C2W1W S sensor kit BRYQ60A2W S and wired remote controller BRC1E73 are connected to the main unit and draft prevention is set to enabled on the wired remote controller Factory sett...

Страница 88: ...te controller Factory setting is disabled Setting on the remote controller 2 3 4 5 1 Press buttons to select Auto setback by Sensor Press Menu OK button to display Auto setback by Sensor menu Press bu...

Страница 89: ...n air temperature but floor temperature This function is enabled when decoration panel BYFQ60C2WAW S and sensor kit BRYQ60AW S is connected to the main unit 2 3 4 1 Press buttons to select Auto off by...

Страница 90: ...supply is restored to the conditions prior to the power failure Note It takes 3 minutes to restart the operation because the 3 minute standby function is activated 3 10 3 Emergency Operation Switch Wi...

Страница 91: ...rature can be obtained In cooling operation the outdoor heat exchanger thermistor is used for detecting the disconnection of the discharge pipe thermistor When the discharge pipe temperature drops bel...

Страница 92: ...protection control If the indoor heat exchanger temperature drops abnormally the operating frequency becomes lower or the operation halts In cooling operation the indoor heat exchanger thermistor is...

Страница 93: ...de command which is set by each room in accordance with the procedure and determines the operation mode of the system The following procedure is taken when the modes conflict with each other 1 The sys...

Страница 94: ...discharge pipe temperature low Hz high pressure limit heating peak cut freeze up protection defrost 3 Determine lower limit frequency The maximum value is set as the lower limit frequency among the fr...

Страница 95: ...g to the D value When D value is low the frequency is lowered When D value is high the frequency is increased 3 Limit of frequency increasing range When the difference between the input current and th...

Страница 96: ...s stopped the OFF delay switch of the four way valve is carried out Details OFF delay switch of four way valve The four way valve coil is energized for 150 seconds after the operation is stopped 4 4 3...

Страница 97: ...of frequency is set to keep the discharge pipe temperature from rising further Details All outdoor units A Hz 26 B Hz 48 C Hz 70 D seconds 120 E seconds 500 F seconds 180 A D E F B C R13528 Hz Freque...

Страница 98: ...onds the compressor is stopped Dropping zone The upper limit of the compressor frequency is defined as operation frequency 2 Hz After this the output frequency is lowered by 2 Hz every second until it...

Страница 99: ...dged with the indoor heat exchanger temperature 2 minutes after the operation starts and F seconds after the number of operation room is changed The maximum value of the indoor heat exchanger temperat...

Страница 100: ...f heating room decreases When the outdoor temperature is more than 10 C 50 F the fan is turned off for 30 seconds 6 Fan speed control during forced operation The outdoor fan is controlled as well as n...

Страница 101: ...ration The compressor operates for 6 minutes More than A minutes of accumulated time have passed since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The...

Страница 102: ...rol is carried out according to three zones Details All outdoor units A minutes 26 B C 4 12 C F 39 2 53 6 D Hz 58 E Hz 42 F seconds 90 G seconds 60 H seconds 530 J seconds 40 K pulse 400 L pulse 250 M...

Страница 103: ...ooms being air conditioned 4 Liquid pipe temperature control for stopped rooms 5 Dew prevention control for indoor rotor Open Control 1 Electronic expansion valve control when starting operation 2 Ele...

Страница 104: ...of target discharge pipe temperature Control when the operating room is changed Control of target discharge pipe temperature Defrost control Pressure equalizing control Open control when starting Cont...

Страница 105: ...nic expansion valve opening is controlled when the operation starts and prevents superheating or liquid compression 4 13 5 Control when the Frequency Changes When the target discharge pipe temperature...

Страница 106: ...ration mode is cooling When the following condition is fulfilled the discharge pipe thermistor disconnection is ascertained Discharge pipe temperature 6 C 10 8 F outdoor heat exchanger temperature 2 W...

Страница 107: ...ture thermistor becomes constant 4 13 11 Target Discharge Pipe Temperature Control The target discharge pipe temperature is obtained from the indoor and outdoor heat exchanger temperature and the elec...

Страница 108: ...sor If the OL compressor head temperature exceeds 130 C 266 F the compressor stops 4 14 3 Refrigerant Shortage Control Outline Detection by power consumption Refrigerant shortage is detected if the po...

Страница 109: ...ler 97 Part 5 Remote Controller 1 Applicable Remote Controller 98 2 ARC466A36 99 3 ARC452A21 101 4 ARC452A23 103 5 ARC466A21 105 6 BRC1E73 Wired Remote Controller 107 7 BRC082A41W BRC082A42W S Wireles...

Страница 110: ...G18QVJUW S CTXS07LVJU ARC452A21 101 FTXS09LVJU FTXS12LVJU FTXS15LVJU FTXS18LVJU FDXS09LVJU ARC452A23 103 FDXS12LVJU CDXS15LVJU CDXS18LVJU FVXS09NVJU ARC466A21 105 FVXS12NVJU FVXS15NVJU FVXS18NVJU FFQ0...

Страница 111: ...r at the indoor unit If there is anything to block signals between the unit and the remote controller such as a curtain the unit will not operate The maximum distance for communication is about 19 11...

Страница 112: ...time with Select button Press this button again to complete TIMER setting R24616 Weekly button Program button Copy button Back button Next button Lamp brightness setting button OUTDOOR UNIT QUIET ope...

Страница 113: ...tting button In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY operation the airflow rate setting is not available Selects the airflow rate setting eve...

Страница 114: ...ts ECONO operation SWING 5 buttons Press this button and adjust the day and time with SELECT button Press this button again to complete TIMER setting Cancels the timer setting Cannot be used for the W...

Страница 115: ...ton In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY operation the airflow rate setting is not available Selects the airflow rate setting every time y...

Страница 116: ...again to complete TIMER setting CLOCK 3 button Changes the ON OFF TIMER settings TIMER CANCEL button Cancels the timer setting Press this button and adjust the time with SELECT button Press this butto...

Страница 117: ...each section is shown with all its displays on for the purpose of explanation To use the remote controller aim the transmitter at the indoor unit If there is anything blocking the signals between the...

Страница 118: ...this button again to complete TIMER setting Clock 5 button It changes the ON OFF TIMER and WEEKLY TIMER settings Timer Cancel button Cancels the timer setting Cannot be used for the WEEKLY TIMER oper...

Страница 119: ...Controller 107 6 BRC1E73 Wired Remote Controller 3 Menu OK button 8 On Off button 10 Cancel button 9 Operation lamp 11 LCD with backlight 4 Up button 5 Down button 6 Right button 7 Left button 1 Opera...

Страница 120: ...klight will be illuminated for approximately 30 seconds by pressing any button If two remote controllers are used to control a single indoor unit only the controller accessed first will have backlight...

Страница 121: ...ault Detailed and Simple displays can be selected in the main menu 10 Changeover controlled by the master indoor unit 9 Under centralized control 4 Stand by for Defrost Hot start The airflow direction...

Страница 122: ...mple 2 Fan speed 3 Setpoint 1 Operation mode 11 Setback 14 Selectable Display Item 4 Stand by for Defrost Hot start Depending on the field settings while the indoor unit is stopped OFF may be displaye...

Страница 123: ...is limited Displayed when another indoor unit on the system has the authority to change the operation mode between cool and heat Displayed when an energy recovery ventilator is connected Ventilation...

Страница 124: ...unit model does not include oscillating louvers this item will not be displayed Displayed if the clock is set If the clock is not set will be displayed 12 hour time format is displayed by default Sel...

Страница 125: ...SiUS121632EA BRC082A41W BRC082A42W S Wireless Remote Controller Kit Remote Controller 113 7 BRC082A41W BRC082A42W S Wireless Remote Controller Kit R23936 R23937...

Страница 126: ...tem will stop Press this button to select the fan speed LOW MEDIUM or HIGH of your choice Use this button for setting temperature 11 TIMER MODE START STOP BUTTON 12 TIMER RESERVE CANCEL BUTTON 13 AIRF...

Страница 127: ...it and Outdoor Unit 146 6 Troubleshooting for FFQ Series 147 6 1 Indoor Unit PCB Abnormality 147 6 2 Drain Level Control System Abnormality 148 6 3 Indoor Fan Motor DC Motor or Related Abnormality 149...

Страница 128: ...184 7 18 Electrical Box Temperature Rise 186 7 19 Radiation Fin Temperature Rise 187 7 20 Output Overcurrent Detection 188 8 Check 190 8 1 Thermistor Resistance Check 190 8 2 Indoor Fan Motor Connect...

Страница 129: ...eration Operation lamp OFF Check the outdoor temperature Heating cooling operations are not available when the outdoor temperature is out of the operation limit Check the reference page for the operat...

Страница 130: ...the indoor or outdoor unit is activated or when the thermistor malfunctions 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedu...

Страница 131: ...ulti system outdoor unit 2 If not set all the indoor units to the same operation mode and confirm that the operation lamp is not blinking 3 Moreover when the operation mode is automatic set all the in...

Страница 132: ...LEDs LED 1 LED 5 on the PCB When the microcomputer works in order the LED A blinks and when the system is in normal condition the red LEDs are OFF Even after the error is canceled and the unit operate...

Страница 133: ...rt beep or two consecutive beeps indicate non corresponding codes 2 To return to the normal mode hold down TIMER CANCEL button for 5 seconds When the remote controller is left untouched for 60 seconds...

Страница 134: ...he long beep 3 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left side number corresponds with the error code but the right side num...

Страница 135: ...does not long beep Both the left side and right side number corresponds with the error code 7 Determine the error code The numbers indicated when you hear the long beep are the error code Refer to pa...

Страница 136: ...ate non corresponding codes 2 To return to the normal mode hold down Timer Cancel button for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3...

Страница 137: ...the same time 5C is displayed on the LCD 2 Select 5C service check with Temp or Temp button 3 Press Mode button to enter the service check mode The left side number blinks 4 Press Temp or Temp button...

Страница 138: ...7 Press Temp or Temp button and change the number until you hear the long beep 8 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left...

Страница 139: ...er Auto Clean Maintenance Information Configuration Current Settings Clock Calendar Daylight Saving Time Language Press Cancel button once Press Menu OK button once Basic Screen Operation mode changeo...

Страница 140: ...on Operation lamp 2 Error Code A1 Contact Info 0123 456 7890 Indoor Model 000 Outdoor Model 000 If an error occurs either one of the following items will flash in the basic screen The Operation lamp w...

Страница 141: ...made z Filter cleaning sign time z Others Following codes can be checked z Error codes z Indoor model code Service data can be obtained z Error code history z Temperature data of various sections Serv...

Страница 142: ...OR button The left 0 upper digit indication of the error code blinks Step Action UP button DOWN button R15408 If you hear Then 3 short beeps Follow all steps below 1 short beep Follow steps 3 and 4 Co...

Страница 143: ...Press OPERATION MODE SELECTOR button The right 0 lower digit indication of the error code blinks Step Action UP button DOWN button R15411 UP DOWN 4 5 6 7 8 9 U P L J F H E C A 0 If you hear Then 2 sho...

Страница 144: ...ION MODE SELECTOR button to return to the normal mode If you do not press any button for 1 minute the remote controller automatically returns to the normal mode Step Action UP button DOWN button R1541...

Страница 145: ...between indoor unit and outdoor unit 144 UA Mismatching of indoor unit and outdoor unit 146 Error Codes Description Reference Page 00 Normal condition A1 Indoor unit PCB abnormality 147 A3 Drain leve...

Страница 146: ...ther rooms 165 j h h i i h U0 Refrigerant shortage 160 j i h h i h U2 Low voltage detection or over voltage detection 162 j h i h h h U3 Wiring Error Check Unexecuted 164 j i h i i h A5 Anti icing con...

Страница 147: ...oor Unit PCB Abnormality Error Code A1 Method of Error Detection The system checks if the circuit works properly within the microcomputer of the indoor unit Error Decision Conditions The system cannot...

Страница 148: ...e indoor and outdoor unit matched YES NO NO YES NO NO YES R23407 Caution To secure the connection disconnect the connectors once and then reconnect YES NO YES NO YES NO YES Match the compatible models...

Страница 149: ...F Heating peak cut control During heating operation the indoor heat exchanger temperature is above 65 C 149 F Supposed Causes Short circuited air Clogged air filter of the indoor unit Dust accumulati...

Страница 150: ...rotation speed detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The detected rotation speed does not reach the demanded rotat...

Страница 151: ...sure to turn off the power before reconnecting the connector Replace the indoor fan motor Replace the indoor unit PCB control PCB Replace the indoor unit PCB control PCB Does the fan rotate smoothly...

Страница 152: ...detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The detected rotation speed does not reach the demanded rotation speed of t...

Страница 153: ...ndoor fan motor Replace the indoor unit PCB control PCB Replace the indoor fan motor Replace the capacitor Replace the indoor unit PCB control PCB Replace the indoor fan motor Replace the indoor unit...

Страница 154: ...of connector Thermistor corresponding to the error code is defective Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 190 C4 Indoor heat exchanger thermistor C9 Room temperature thermi...

Страница 155: ...3 Turn on the power Wait until the initialization finishes Operate the unit by the indoor unit ON OFF button YES YES YES YES NO NO NO NO Replace the harness and reduction motor Replace the assembly of...

Страница 156: ...outdoor unit is checked whether it is normal Error Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal Supposed Causes Reduction...

Страница 157: ...tween the indoor unit and the outdoor unit Replace the outdoor unit PCB main PCB Replace the connection wires between the indoor unit and outdoor unit Is LED A blinking Properly insulated Is there any...

Страница 158: ...Causes Wrong models interconnected Wrong wiring of connecting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R23001 Cautio...

Страница 159: ...sed either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functions like non volatile RAM but writing to EEPROM is sl...

Страница 160: ...turn off the power switch before connecting or disconnecting connectors or parts may be damaged Connect the drain pump Replace the indoor unit PCB control PCB Replace the drain pump There is a drain...

Страница 161: ...ror Detection The rotation speed detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The fan motor is not revved up Supposed Cau...

Страница 162: ...motor connector YES YES NO NO Note The motor may break when the motor connector is disconnected while the power is turned on Be sure to turn off the power before reconnecting the connector Replace th...

Страница 163: ...ogged electric expansion value in humidifier s Defective indoor unit PCB Troubleshooting Note The system continues to operate with the thermostat OFF even while the error code is displayed YES YES NO...

Страница 164: ...ceed as follows C4 Indoor heat exchanger thermistor 1 liquid pipe R2T C5 Indoor heat exchanger thermistor 2 R3T C9 Room temperature thermistor R1T Note When replacing the defective thermistor s replac...

Страница 165: ...f the cause of the problem is related to the sensors the sensors should be checked prior to changing the indoor unit PCB Note When replacing the defective sensor s replace the sensor kit as ASSY R2457...

Страница 166: ...nit is running Supposed Causes Defective room temperature thermistor in the wired remote controller Defective wired remote controller PCB External factor such as noise Troubleshooting Note To delete t...

Страница 167: ...normal Error Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal Supposed Causes Power supply voltage out of specification Reduct...

Страница 168: ...unit and the outdoor unit Replace the outdoor unit PCB main PCB Replace the connection wires between the indoor unit and outdoor unit Is LED A blinking Properly insulated Is there any disturbance Is...

Страница 169: ...and 223 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Are both remote controllers set to MAIN Do the service monitors of all the in...

Страница 170: ...llers when using 2 remote controllers Defective remote controller PCB Troubleshooting Note For the way to change MAIN SUB setting of remote controllers refer to pages 222 and 223 Turn the power off an...

Страница 171: ...iring Check again YES YES NO NO Connect the indoor outdoor units correctly YES YES YES YES NO NO NO Blink R24591 Is the combination of indoor outdoor units correct Do the service monitors of all the i...

Страница 172: ...e lower than the normal value Error Decision Conditions The following conditions continue for 7 minutes Input current A output frequency B Output frequency C If the error repeats the system is shut do...

Страница 173: ...thermistor s Open the stop valve Repair the pipe flare or replace the union Check if any harnesses are in contact with the piping and correct as required Also replace any cracked pipes Check the conne...

Страница 174: ...ds Outdoor Unit Low voltage detection The voltage detected by the DC voltage detection circuit is below 150 V for 0 1 second If the error repeats the system is shut down Reset condition Continuous run...

Страница 175: ...e power supply voltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortion Precaution before turning on the power again Make sure the power has been off fo...

Страница 176: ...k after the memory was cleared Supposed Causes The wiring error switch SW3 may have been pressed for 10 seconds or more and the memory may have been deleted The unit cannot be operated unless wiring e...

Страница 177: ...door units Supposed Causes Anti icing function in other rooms Power supply voltage out of specification Wrong models interconnected Wrong indoor unit PCB or outdoor unit PCB mounted Troubleshooting No...

Страница 178: ...are located in a shut down room Error Decision Conditions In cooling operation the both conditions A and B are met for 5 minutes A Room temperature Indoor heat exchanger temperature 10 C 18 F B Indoo...

Страница 179: ...lace the outdoor heat exchanger thermistor Replace the room temperature thermistor Replace the room temperature thermistor or indoor heat exchanger thermistor Do the vacuum drying Replace the indoor u...

Страница 180: ...in abnormal running order Supposed Causes Defective outdoor unit PCB Noise Momentary drop of voltage Momentary power failure Troubleshooting R21809 Caution Be sure to turn off the power switch before...

Страница 181: ...ror repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe thermistor Defective discharge pipe ther...

Страница 182: ...Replace the electronic expansion valve or the coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB main PCB Replace the four way valve or the coil Replace the outdoor unit...

Страница 183: ...roubleshooting Check No 12 Refer to P 193 Check No 15 Refer to P 195 Turn off the power Disconnect the harnesses U V and W R21067 Caution NO YES YES NO NO YES NO YES Check No 15 Check with the inverte...

Страница 184: ...s Disconnection of the fan motor Foreign matter stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 196 R20416 Caution YES YES NO YES NO NO YES NO Tu...

Страница 185: ...to P 197 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged An input overcurrent may result from wrong internal wiring If the system is...

Страница 186: ...tion continues for A seconds after the compressor has started Cooling operation The lowest liquid pipe temperature among the rooms in operation Tde 45 C 81 F Heating operation The highest liquid pipe...

Страница 187: ...ctive or dust clogged Reconnect the thermistor s Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R20405 Refrigerant shortage Water mi...

Страница 188: ...tdoor temperature thermistor Defective electronic expansion valve or coil Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troub...

Страница 189: ...exchanger thermistor Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 190 Check No 12 Refer to P 193 Check No 17 Refer to P 197 Check No 18 Refer to P 197 Check No 19 Refer to P 198 R...

Страница 190: ...fore the compressor starts The system checks the DC current of the compressor right after the compressor starts Error Decision Conditions The power supply voltage and the DC voltage is obviously low o...

Страница 191: ...the outdoor unit PCB and measure the resistance value between reactor terminals with multimeter Disconnect the compressor relay harness from the outdoor unit PCB and measure the resistance value betw...

Страница 192: ...pressor running condition through the position detection circuit Error Decision Conditions If the error repeats the system is shut down Reset condition Continuous run for about 5 minutes without any o...

Страница 193: ...dge Check No 15 Check with the inverter analyzer Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical components or compressor ha...

Страница 194: ...ing the compressor running frequency and CT detected input current Error Decision Conditions The compressor running frequency is more than A Hz and input current is less than B A If the error repeats...

Страница 195: ...estart operation Check No 15 Check with the inverter analyzer Inverter analyzer RSUK0917C 100 50 Voltage within the allowable range Power supply voltage 15 Replace the outdoor unit PCB main PCB Check...

Страница 196: ...e power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature The system is shut down if all the units are judged as the J8 error Supposed Causes Disconn...

Страница 197: ...wer than the heat exchanger temperature Replace the defective thermistor s Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Liquid pipe thermistor Gas pipe th...

Страница 198: ...ction of connector Defective outdoor unit PCB Troubleshooting Check No 17 Refer to P 197 Check No 19 Refer to P 198 A B C 100 C 212 F 70 C 158 F 85 C 185 F Caution WARNING To cool the electrical compo...

Страница 199: ...ed properly on the radiation fin after replacing the outdoor unit PCB Troubleshooting Check No 17 Refer to P 197 Check No 19 Refer to P 198 Note Refer to Silicone Grease on Power Transistor Diode Brid...

Страница 200: ...rs while the compressor is running A rotation speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection circuit to the microcomputer...

Страница 201: ...ror occurs Check the power supply voltage Monitor the power supply voltage discharge and suction pressures and other factors for a long term Possible causes Momentary drop of power supply voltage Comp...

Страница 202: ...B to measure the resistance When the connector of indoor heat exchanger thermistor is soldered on a PCB remove the thermistor and measure the resistance Thermistor temperature Resistance k C F 20 4 19...

Страница 203: ...h the power on operation off and the connector connected check the following 1 Output voltage of about 5 V between pins 1 and 3 2 Generation of 3 pulses between pins 2 and 3 when the indoor fan motor...

Страница 204: ...11 Measure the power supply waveform between No 1 and No 2 on the terminal board and check the waveform disturbance Check if the power supply waveform is a sine wave Fig 1 Check if there is waveform...

Страница 205: ...ng sound varies depending on the valve type If the system keeps operating with a defective electronic expansion valve the following problem may occur Valveopening position Possible problem Check metho...

Страница 206: ...alve coil Cooling Dry Defrost Not energized Heating energized Replace the outdoor unit PCB main PCB Replace the four way valve coil Replace the four way valve Four way valve coil resistance at 1000 20...

Страница 207: ...arged voltage of the built in smoothing electrolytic capacitor drops to 10 VDC or below before carrying out the service work Reference If the terminals of the compressor are not FASTON terminals diffi...

Страница 208: ...ned due to loosening 8 9 Rotation Pulse Check on the Outdoor Unit PCB Check No 16 Outdoor fan motor Make sure that the voltage of 320 V is applied 1 Set operation off and power off Disconnect the conn...

Страница 209: ...y dirty Change the installation location or direction Change the installation location or direction Clean the outdoor heat exchanger Change the installation location or direction Check the outdoor tem...

Страница 210: ...erring to the table below If the resistance is or less than 1 k short circuit occurs on the main circuit R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan system Reconnect t...

Страница 211: ...g to the drawing of the model in question Be careful never to touch any live parts To prevent an electrical shock use a multimeter to check that the voltage between FU2 and DC is 50 V or less The surf...

Страница 212: ...he protrusion on the connector Follow the procedure below to measure resistance between the or terminal of the power module and the U V or W terminal of the compressor with a multimeter Evaluate the m...

Страница 213: ...202 2 Forced Cooling Operation 203 3 Wiring Error Check Function 204 4 Trial Operation 206 4 1 CTXG CTXS FTXS CDXS FDXS FVXS Series 206 4 2 FFQ Series 208 5 Field Settings 211 5 1 Outdoor Unit 211 5 2...

Страница 214: ...ion when relocating or disposing of the unit 1 Remove the valve caps from the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 10 minutes close the liquid stop v...

Страница 215: ...vice PC board switch cover 1 screw 4 Switch SW5 and SW6 to off 5 Turn the operation mode switch SW2 to COOL 6 Screw the service PC board switch cover back on 1 screw 7 Turn on the power 8 Push the for...

Страница 216: ...to use this function Procedure 1 Press the wiring error check switch SW3 on the service monitor PCB of the outdoor unit and the wiring error check function is activated 2 In about 15 20 minutes the ch...

Страница 217: ...inking LED means the room that is connected with Port A The 2nd blinking LED means the one connected with Port B Ex Suppose the LED indicators are blinking as follows The above means that Port A is co...

Страница 218: ...select the highest programmable temperature 30 C 86 F Trial operation may be disabled in either operation mode depending on the room temperature After trial operation is complete set the temperature...

Страница 219: ...1 6 2 3 3 Test items Symptom diagnostic display on RC Indoor and outdoor units are installed properly on solid bases Fall vibration noise No refrigerant gas leaks Incomplete cooling heating function R...

Страница 220: ...and parts such as the movement of the flaps are working properly To protect the air conditioner restart operation is disabled for 3 minutes after the system has been turned off 4 After trial operation...

Страница 221: ...cording to the setting For operation of airflow direction setting see the operation manual 7 After the operation of airflow direction is confirmed press Menu OK button Basic screen returns 8 Press and...

Страница 222: ...plete cooling heating function Refrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated Water leakage Draining line is properly installed Water leakage Does the power s...

Страница 223: ...acity to the prioritized room and the capacities for the other indoor units will be slightly reduced 3 OUTDOOR UNIT QUIET operation When the OUTDOOR UNIT QUIET operation is selected in the prioritized...

Страница 224: ...be used initial settings must be made when the unit is installed Explain the function of NIGHT QUIET mode as described below to the customer and confirm whether or not the customer wants to use NIGHT...

Страница 225: ...et to the left side The heating operation will not be available when the DIP switch is set to the right side ARC466A21 ARC466A36 The remote controller is common to the heat pump model and cooling only...

Страница 226: ...enheit or Celsius for temperature display ARC452A21 ARC452A23 Press TEMP and TEMP buttons at the same time for 5 seconds to change the unit of temperature display ARC466A21 ARC466A36 Press the upper s...

Страница 227: ...ote controller Refer to the following pages for the appropriate indoor unit and wireless remote controller CTXG CTXS FTXS Series 1 Remove the front grille 2 Remove the electrical box 3 Remove the shie...

Страница 228: ...onnectors S1 S41 S42 4 Remove the electric box 1 screw 5 Pull out the indoor heat exchanger thermistor 6 Remove the shield plate 8 tabs 7 Cut the address setting jumper JA on the indoor unit PCB Cauti...

Страница 229: ...U page 25 FVXS09 12 15 18NVJU page 27 ARC452 series ARC466 series Jumper ADDRESS R12065 EXIST CUT 1 2 R18416 ADDRESS EXIST 1 CUT 2 Jumper Do not cut the left jumper Jumper on indoor unit PCB Function...

Страница 230: ...ote controller Wired Remote Controller BRC1E73 a Unit No b First code No c Second code No d Mode 1 Press and hold Cancel button for 4 seconds or longer Service settings menu is displayed 2 Select in t...

Страница 231: ...it can be changed When SECOND CODE NO is displayed as there is no function 6 Press Menu OK button Setting confirmation screen is displayed 7 Select and press Menu OK button Setting details are determi...

Страница 232: ...st 4 seconds to enter the Field Set mode 2 Select the desired Mode No with the MODE button 3 Press the button and select the First code No 4 Press the button and select the Second code No 5 Press the...

Страница 233: ...Enabled Disabled 3 Filter cleaning sign Display No display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Compressor Operation output Error output Outdo...

Страница 234: ...when the above message is displayed Hold Mode button for 4 seconds or longer to set When the display is changed from Main RC to Sub RC the setting is completed 2 Basic screen is displayed Main remote...

Страница 235: ...h 1 indoor unit change the MAIN SUB switch of the transmitter board Transmitter Board Wireless address switch Set the wireless address setting switch SS2 on the transmitter board according to the tabl...

Страница 236: ...emote controller etc the indoor unit sometimes does not respond to ON OFF command or temperature setting command from the wireless remote controller Check what setting the customer needs and make the...

Страница 237: ...nding unit number labels onto both air outlet of the decoration panel and onto back of the wireless remote controller Note Set the unit No of the receiver and the wireless remote controller to be the...

Страница 238: ...bridge Details 1 Wipe off the old silicone grease completely 2 Apply the silicone grease evenly See the illustrations below for examples of application 3 Tighten the screws of the power transistor dio...

Страница 239: ...SiUS121632EA Appendix 227 Part 8 Appendix 1 Piping Diagrams 228 1 1 Indoor Unit 228 1 2 Outdoor Unit 231 2 Wiring Diagrams 232 2 1 Indoor Unit 232 2 2 Outdoor Unit 238 3 Operation Limit 240...

Страница 240: ...unit 1 4 CuT 3 8 CuT Heat exchanger thermistor Heat exchanger Crossflow fan Fan motor Field piping 1 2 CuT Field piping 1 4 CuT Refrigerant flow Cooling Heating INDOOR UNIT 1 4 CuT HEAT EXCHANGER CRO...

Страница 241: ...ING 1 2 12 7mm CuT 1 2 12 7mm CuT REFRIGERANT FLOW COOLING HEATING 4D075271 THERMISTOR ON HEAT EXCH INDOOR UNIT MUFFLER ASSY HEAT EXCHANGER 1 4 CuT 9 32 CuT 1 4 CuT 1 4 CuT 1 4 CuT M FAN MOTOR TURBO F...

Страница 242: ...230 Appendix FFQ09 12 15 18Q2VJU 4D106033 HEAT EXCHANGER FAN REFRIGERANT FLOW COOLING HEATING FFQ09Q2VJU 1 4 6 4 3 8 9 5 1 2 12 7 FFQ12Q2VJU FFQ15Q2VJU FFQ18Q2VJU MODEL A B LIQUID PIPE CONNECTION PORT...

Страница 243: ...IPING LIQUID ROOM A 1 4 CuT ROOM B 1 4 CuT LIQUID PIPE THERMISTOR ELECTRONIC EXPANSION VALVE 3D101223 OUTDOOR UNIT HEAT EXCHANGER EVA EVB EVC HEADER 5 16 CuT 5 16 CuT 5 16 CuT 1 4 CuT 1 4 CuT 1 4 CuT...

Страница 244: ...BLK BLK BLK BLK BLK BLK BLK BLK WHT RED BLU BRN ORG WHT RED GRN YLW GRN YLW RED ORG YLW BLU OUTDOOR INDOOR Field wiring NOTE When the main power is turned off and then back on again operation will res...

Страница 245: ...11 3 1 4 15 9 1 14 5 8 7 10 BLK BLK BLK BLK BLK PNK PNK PNK BLU BLU BLU ORG ORG ORG RED RED RED YLW YLW YLW S48 PCB2 t 1 3 INDOOR R2T MSW MSW MSW M3S M2S M1S LED1 H1P LED2 H2P LED3 H3P RTH1 R1T INTEL...

Страница 246: ...8 14 BLK BLK BLK BLK BLK PNK PNK PNK BLU BLU BLU ORG ORG ORG RED RED RED YLW YLW YLW S48 PCB2 t 1 3 INDOOR R2T MSW MSW MSW M1S M3S M2S WIRING DIAGRAM LED1 H1P LED2 H2P LED3 H3P RTH1 R1T INTELLIGENT E...

Страница 247: ...S7 10 10 1 GRY YLW RTH1 S32 2 1 2 1 3 C1 WHT BRN BRN t M t 1 Q1M PPL R1T INDOOR 130 C 266 F BLU R2T M1F WIRELESS REMOTE CONTROLLER TRANSMISSION CIRCUIT NOTE THAT OPERATION WILL RESTART AUTOMATICALLY...

Страница 248: ...RG WHT 1 S42 HA S21 t RED 1 ORG S49 S48 M YLW M1S PNK R1T BLU 6 PCB1 S41 RED 1 t ORG M YLW S32 M2S PNK BLU R2T 5 INDOOR WIRELESS REMOTE CONTROLLER SIGNAL RECEIVER TRANSMISSION CIRCUIT NOTE THAT OPERAT...

Страница 249: ...RELAY FAN MOTOR DRAIN PUMP MOTOR SWING MOTOR SWITCHING POWER SUPPLY FLOAT SWITCH NOISE FILTER FERRITE CORE FERRITE CORE DIODE BRIDGE RECEIVER TRANSMITTER TERMINAL BLOCK TERMINAL BLOCK THERMISTOR AIR...

Страница 250: ...9T R3T R4T R1T R10T Q1L Y1E Y2E ROOM A ROOM A ROOM B ROOM B DISCHARGE CONDENSER OUTDOOR OUTDOOR INDOOR GAS PIPE LIQUID PIPE FIELD WIRING TO INDOOR UNIT ROOM B TO INDOOR UNIT ROOM A WHT ROOM A RED ROOM...

Страница 251: ...L Y3E Y1E Y2E ROOM B ROOM B ROOM A ROOM C ROOM A ROOM C DISCHARGE OUTDOOR CONDENSER INDOOR OUTDOOR FIELD WIRING POWER SUPPLY TO INDOOR UNIT ROOM B TO INDOOR UNIT ROOM A TO INDOOR UNIT ROOM C FU3 30A W...

Страница 252: ...1 42 8 Outdoor temp FDB Pull down period Continuous operation Outdoor temp FWB FDB Continuous operation 14 13 13 82 4 98 6 57 2 68 73 4 89 6 Indoor temp FWB FDB 50 68 86 Notes Indoor temp FDB The grap...

Страница 253: ...Revision History Month Year Version Revised contents 09 2016 SiUS121632E First edition 03 2017 SiUS121632EA Model addition FFQ18Q2VJU...

Страница 254: ...zed parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion z Read the user s manual carefully before usin...

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