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SiUS071735EA

Field Settings

Trial Operation and Field Settings

118

4. Field Settings

4.1

How to Change the Field Settings

Outline

If optional accessories are mounted on the indoor unit, the indoor unit setting may have to be
changed. Refer to the instruction manual for each optional accessory.

Note:

When using 2 remote controllers for 1 indoor unit, change the field settings from MAIN remote
controller. Note that the field settings can not be set from SUB remote 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 the Service Settings menu, and press

Menu/OK

button.

Field settings screen is displayed.

a

b

c

d

(R18831)

<Basic screen>

1

Set temperature

28

˚C

Fan

Return

Press the menu button

Press and hold

Cancel

button for 4 seconds or
longer during backlight lit.

Field Settings

<Service settings menu screen>

2

Setting

1/3

Service Settings

Test Operation
Maintenance Contact

Field Settings

Energy Saving Options
Prohibit Function
Min Setpoints Differential

Press

Menu/OK

button.

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Содержание FDMQ09RVJU

Страница 1: ...Service Manual Inverter Pair Duct Connected Type FDMQ R Series SiUS071735EA Applied Models z Inverter Pair Heat Pump ...

Страница 2: ...air Duct Connected Type FDMQ R Series zHeat Pump Indoor Unit FDMQ09RVJU FDMQ12RVJU FDMQ15RVJU FDMQ18RVJU FDMQ24RVJU Outdoor Unit RX09RMVJU RX09RMVJU9 RX12RMVJU RX12RMVJU9 RX15RMVJU RX15RMVJUA RX18RMVJU RX18RMVJU9 RX18RMVJU9A RX24RMVJU RX24RMVJUA ...

Страница 3: ...tions and Control 15 1 Main Functions 16 1 1 Temperature Control 16 1 2 Frequency Principle 16 1 3 Fan Speed Control for Indoor Unit 18 1 4 Program Dry Operation 19 1 5 Clock and Calendar Setting With Wired Remote Controller BRC1E73 20 1 6 Schedule TIMER Operation With Wired Remote Controller BRC1E73 22 1 7 Drain Pump Control 25 1 8 Hot Start Control In Heating Operation Only 27 1 9 Other Function...

Страница 4: ...mote Controller Thermistor Abnormality 71 4 9 Signal Transmission Error Between Indoor Unit and Remote Controller 72 4 10 Signal Transmission Error Between MAIN Remote Controller and SUB Remote Controller 73 4 11 Low voltage Detection or Over voltage Detection 74 4 12 Signal Transmission Error Between Indoor Unit and Outdoor Unit 76 4 13 Mismatching of Indoor Unit and Outdoor Unit 78 4 14 Outdoor ...

Страница 5: ...k 107 5 11 Outdoor Fan System Check 108 5 12 Main Circuit Short Check 108 5 13 Power Module Check 110 Part 7 Trial Operation and Field Settings 112 1 Pump Down Operation 113 2 Forced Cooling Operation 114 3 Trial Operation 115 4 Field Settings 118 4 1 How to Change the Field Settings 118 4 2 Overview of the Field Settings 121 4 3 MAIN SUB and Address Setting for Wireless Remote Controller 122 4 4 ...

Страница 6: ...on is shown in the illustration or near the symbol 1 1 Warnings and Cautions Regarding Safety of Workers This manual is for the person in charge of maintenance and inspection 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 disassembling equipment for repair Working on equipment ...

Страница 7: ...e exclusive use with the R 32 R 410A refrigerant The use of materials for R 22 refrigerant models may cause a serious accident such as a damage of refrigerant cycle or equipment failure Do not mix air or gas other than the specified refrigerant R 32 R 410A R 22 in the refrigerant system If air enters the refrigerant system an excessively high pressure results causing equipment damage and injury Wa...

Страница 8: ...priate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools may cause an electrical shock excessive heat generation or fire If the power cable and lead wires are scratched or have deteriorated be sure to replace them Damaged cable and wires may cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extens...

Страница 9: ...the refrigerant gas leaks be sure to locate the leaking point and repair it before charging the refrigerant After charging the refrigerant make sure that there is no leak If the leaking point cannot be located and the repair work must be stopped be sure to pump down and close the service valve to prevent refrigerant gas from leaking into the room Refrigerant gas itself is harmless but it may gener...

Страница 10: ... generation fire or an electrical shock If the installation platform or frame has corroded replace it A corroded installation platform or frame may cause the unit to fall resulting in injury Check the earth grounding and repair it if the equipment is not properly earthed grounded Improper earth grounding may cause an electrical shock Be sure to measure insulation resistance after the repair and ma...

Страница 11: ...tion 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 information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Reference A Reference guides the reader to other places in this binder or in this manual ...

Страница 12: ...SiUS071735EA 1 List of Functions Part 1 List of Functions 1 Functions 2 ...

Страница 13: ...z 3 D airflow NIGHT SET mode COMFORT AIRFLOW operation Off Timer turns unit off after set time z Switchable fan speed 3 steps z z Worry Free Reliability Durability Auto restart after power failure z z Auto fan speed z Self diagnosis R C LED z z Comfort Control Indoor unit quiet operation Wiring error check function NIGHT QUIET mode automatic Anti corrosion treatment of outdoor heat exchanger z z O...

Страница 14: ...SiUS071735EA 3 Specifications Part 2 Specifications 1 Specifications 4 ...

Страница 15: ...290 240 9 7 8 2 6 8 343 290 240 9 7 8 2 6 8 343 290 240 9 7 8 2 6 8 343 290 240 9 7 8 2 6 8 External Static Pressure 5 inH2O 0 20 0 60 0 12 0 20 0 60 0 12 Pa 50 150 30 50 150 30 Sound Pressure Level dB A 32 32 32 32 Sound Power Level dB A 46 46 46 46 Air Filter 6 Weight Mass Lbs kg 64 29 64 29 Piping Connections Liquid in mm φ 1 4 6 4 Flare φ 1 4 6 4 Flare Gas in mm φ 3 8 9 5 Flare φ 3 8 9 5 Flare...

Страница 16: ... 9 4 7 8 392 332 275 11 1 9 4 7 8 392 332 275 11 1 9 4 7 8 392 332 275 11 1 9 4 7 8 External Static Pressure 5 inH2O 0 20 0 60 0 12 0 20 0 60 0 12 Pa 50 150 30 50 150 30 Sound Pressure Level dB A 33 33 33 33 Sound Power Level dB A 47 47 47 47 Air Filter 6 Weight Mass Lbs kg 64 29 64 29 Piping Connections Liquid in mm φ 1 4 6 4 Flare φ 1 4 6 4 Flare Gas in mm φ 3 8 9 5 Flare φ 3 8 9 5 Flare Drain i...

Страница 17: ... 10 2 516 438 360 14 6 12 4 10 2 675 572 473 19 1 16 2 13 4 675 572 473 19 1 16 2 13 4 External Static Pressure 5 inH2O 0 20 0 60 0 20 0 20 0 60 0 20 Pa 50 150 50 50 150 50 Sound Pressure Level dB A 34 34 35 35 Sound Power Level dB A 48 48 49 49 Air Filter 6 Weight Mass Lbs kg 77 35 82 37 Piping Connections Liquid in mm φ 1 4 6 4 Flare φ 1 4 6 4 Flare Gas in mm φ 1 2 12 7 Flare φ 1 2 12 7 Flare Dr...

Страница 18: ...3 4 675 572 473 19 1 16 2 13 4 798 678 558 22 6 19 2 15 8 798 678 558 22 6 19 2 15 8 External Static Pressure 5 inH2O 0 20 0 60 0 20 0 20 0 60 0 20 Pa 50 150 50 50 150 50 Sound Pressure Level dB A 35 35 40 40 Sound Power Level dB A 49 49 54 54 Air Filter 6 Weight Mass Lbs kg 82 37 82 37 Piping Connections Liquid in mm φ 1 4 6 4 Flare φ 1 4 6 4 Flare Gas in mm φ 1 2 12 7 Flare φ 5 8 15 9 Flare Drai...

Страница 19: ... Printed Circuit Board Connector Wiring Diagram 1 Indoor Unit 9 1 1 FDMQ09 12 15 18 24RVJU 9 2 Wired Remote Controller 11 2 1 BRC1E73 11 3 Wireless Remote Controller Receiver 12 3 1 BRC082A43 12 4 Outdoor Unit 13 4 1 RX09 12RMVJU 9 13 4 2 RX15 24RMVJU A RX18RMVJU 9 A 14 ...

Страница 20: ...or 4 X25A Connector for drain pump motor 5 X27A Connector for terminal block for power supply 6 X28A Connector for power supply wiring option 7 X30A Connector for terminal block for wired remote controller 8 X33A Connector for wiring option 9 X35A Connector for wiring adaptor option 10 X70A Connector for indoor fan PCB A2P 11 F1U Fuse 3 15 A 250 V 12 HAP LED for service monitor green 13 DS1 DIP sw...

Страница 21: ... A2P 1 X3A Connector for control PCB A1P 2 X6A Connector for reactor 3 X8A Connector for indoor fan motor 4 X10A Connector for terminal block for power supply 5 F2U Fuse 5 A 250 V 6 F4U Fuse 6 3 A 250 V 7 HAP LED for service monitor green 2P442228 16 2P442228 17 F2U X8A X3A X10A F4U X6A HAP ...

Страница 22: ...ller SiUS071735EA 11 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 P2 R4T P1 2P298037 7 ...

Страница 23: ...g Diagram 12 3 Wireless Remote Controller Receiver 3 1 BRC082A43 Wireless Remote Controller PCB 1 SS1 MAIN SUB setting switch Refer to page 122 for details 2 SS2 Address setting switch Refer to page 122 for details 3 P1 P2 Terminal for indoor unit control PCB A1P SS1 P2 P1 3P156152 1 SS2 ...

Страница 24: ...0 Connector for overload protector 4 S71 Connector for DC fan motor 5 S80 Connector for four way valve coil 6 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 7 HL1 HN1 S Connector for terminal block 8 E1 E2 Terminal for ground wire 9 HR1 HR2 Connector for reactor 10 FU1 FU2 Fuse 3 15 A 250 V 11 FU3 Fuse 20 A 250 V 12 J6 Jumper for facility setting Refer to p...

Страница 25: ... for overload protector 3 S70 Connector for DC fan motor 4 S80 Connector for four way valve coil 5 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 6 HL1 HN1 S Connector for terminal block 7 E1 E2 Terminal for ground 8 U V W Connector for compressor 9 FU1 FU2 Fuse 3 15 A 250 V 10 FU3 Fuse 30 A 250 V 11 J6 Jumper for facility setting Refer to page 124 for deta...

Страница 26: ...troller BRC1E73 22 1 7 Drain Pump Control 25 1 8 Hot Start Control In Heating Operation Only 27 1 9 Other Functions 28 2 Control Specification 29 2 1 Mode Hierarchy 29 2 2 Frequency Control 30 2 3 Controls at Mode Changing Start up 32 2 4 Discharge Pipe Temperature Control 34 2 5 Input Current Control 35 2 6 Freeze up Protection Control 36 2 7 Heating Peak cut Control 37 2 8 Outdoor Fan Control 38...

Страница 27: ... by the following 2 parameters The load condition of the operating indoor unit The difference between the room thermistor temperature and the target temperature The target frequency is adapted by additional parameters in the following cases Frequency restrictions Initial settings Forced cooling operation Inverter Principle To regulate the capacity a frequency control is needed The inverter makes i...

Страница 28: ...ing Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following functions regulate the minimum and maximum frequency Forced Cooling Operation Refer to page 114 for details Refrigerant circulation rate high high f low f freq variable Refrigerant circulation rate low high speed low speed R2812 Amount of heat exc...

Страница 29: ...nt protection purposes The system may turn off the fan when the room temperature is satisfied It is normal for a delay to occur when changing the fan speed If the Auto is selected for the fan speed the fan speed varies automatically based on the difference between set temperature and room temperature With Wireless Remote Controller BRC082A43 Press FAN SPEED CONTROL button High Medium or Low fan sp...

Страница 30: ...rature 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 up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24 5 C or more 76 1 F or more Room thermistor temperature at start up X 2 5 C X 4 5 F X 1 0 C X 1 8 F 16 5 24 C 61 7 75 2 F X 2 0 C X...

Страница 31: ...own 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 buttons Change the month with buttons Holding down the button causes the number to change continuously Select Day with buttons Change the day with buttons Holding down the button causes the number to chang...

Страница 32: ...ge 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 December 31 2099 Press button to select Yes on the confirmation screen Press Menu OK button to confirm the clock and return to the basic screen When setting the schedule the display returns to the setting...

Страница 33: ...ction is disabled for this time period __ Indicates that the temperature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will be utilized Setting the schedule 1 Press buttons to select Schedule Press Menu OK button to display the schedule screen The date time screen will appear 2 Before setting the schedule the clock must be set If the clock...

Страница 34: ... 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 will appear Press buttons to select Settings on the schedule screen The settings screen will appear when Menu OK button is pressed 2 Press buttons to select the day to be set It cannot be selected in the ...

Страница 35: ...ture 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 A maximum of five actions per day can be set Press Menu OK button when settings for each day are completed The confirmation screen will appear To copy the settings for the previous day press Mode button...

Страница 36: ...le screen Press buttons to select Enable Disable on the schedule screen 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 is displayed Press buttons to select Yes on the confirmation screen Pressing Menu OK button confirms the enable disable setting f...

Страница 37: ...en 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 1 7 3 If the Float Switch is OFF with the Thermostat OFF in Cooling Operation When the float switch stays OFF for 5 sec the drain pump turns ON If the float switch remains OFF even after the residual operation of the drain pump has...

Страница 38: ...e 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 R24370 OFF Float Switch ON ON Thermostat running OFF ON A3 AF Error Display OFF ON Drain Pump OFF 1st 5 sec 5 sec 5 sec 5 sec 4th 5th 5 sec 5 min 5 min 5 sec 5 min 5 min 5 sec 5 min 5 min 5 sec 5 min 5...

Страница 39: ...power 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 1 9 3 Emergency Operation Switch With Wireless Remote Controller BRC082A43 When the remote controller does not work due to battery failure or the absence thereof use the emergency operation switch Start Press emergency operation s...

Страница 40: ...r installation and servicing Details Heat Pump Model Note Unless specified otherwise dry operation command is regarded as cooling operation Air conditioner control mode Forced operation mode Forced cooling operation for pump down operation Power transistor test mode Normal operation mode Fan Cooling includes drying Heating Heating Defrosting Stop indoor unit OFF Preheating control Discharging from...

Страница 41: ...k cut freeze up protection defrost control 3 Determine lower limit frequency The maximum value is set as an lower limit frequency among the frequency lower limits of the following functions Four way valve operation compensation draft prevention pressure difference upkeep 4 Determine prohibited frequency There is a certain prohibited frequency such as a power supply frequency Command frequency Limi...

Страница 42: ... Frequency control is carried out only when the frequency drops For limiting lower limit Frequency control is carried out only when the frequency rises 4 Upper and lower limit of frequency by PI control The frequency upper and lower limits are set according to the command of the indoor unit When the indoor or outdoor unit quiet operation command comes from the indoor unit the upper limit frequency...

Страница 43: ...temperature 85 C 185 F OFF condition Discharge pipe temperature 2 C 35 6 F Radiation fin temperature 90 C 194 F Control B ON condition Discharge pipe temperature 10 C 50 0 F Radiation fin temperature 85 C 185 F OFF condition Discharge pipe temperature 12 C 53 6 F Radiation fin temperature 90 C 194 F 2 3 2 Four Way Valve Switching Outline The four way valve coil is energized not energized depending...

Страница 44: ...g The lower limit of frequency keeps A Hz for B seconds for any of the conditions above When the outdoor temperature is above C in heating the frequency decreases depending on the outdoor temperature 2 3 4 3 Minute Standby Turning on the compressor is prohibited for 3 minutes after turning it off The function is not activated when defrosting 2 3 5 Compressor Protection Function When turning the co...

Страница 45: ... further Details 09 12 class 15 18 24 class C F C F A 110 230 0 110 230 0 B 103 217 4 103 217 4 C 98 208 4 101 5 214 7 D 93 199 4 100 212 0 E 88 190 4 95 203 0 Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept Up zone The upper limit of frequency increases Reset ...

Страница 46: ...ed 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 reaches the keep zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current dropping and stop value according to the outdoor temperature The current drops when outdo...

Страница 47: ...protection control starts when any of the following conditions is satisfied z The indoor heat exchanger temperature remains at A or lower for 1 minute z The accumulated time that the indoor heat exchanger temperature remains at B or lower reaches 40 minutes Accumulated timer clearing condition z The indoor heat exchanger temperature remains at C or higher for 20 minutes Ending condition z The indo...

Страница 48: ...135 5 60 140 0 60 140 0 60 140 0 B 55 131 0 54 129 2 55 131 0 54 129 2 C 52 125 6 51 123 8 52 125 6 51 123 8 D 50 122 0 49 120 2 50 122 0 49 120 2 E 45 113 0 44 111 2 45 113 0 44 111 2 Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept Up zone The upper limit of f...

Страница 49: ...ow the rotation speed of the outdoor fan is reduced When the pressure difference is high the rotation speed of the outdoor fan is controlled as well as normal operation 5 Fan speed control during forced cooling operation The outdoor fan is controlled as well as normal operation during forced cooling operation 6 Fan ON OFF control when operation cooling heating dry starts stops The outdoor fan is t...

Страница 50: ...t control of accumulated time have passed since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The judgment is made with the outdoor heat exchanger temperature B 09 12 class 15 18 class 24 class A minute 20 25 44 44 B C 2 20 6 12 6 12 F 35 6 68 0 42 8 53 6 42 8 53 6 C Hz 64 48 48 D Hz 64 70 70 E seconds 40 60 60 F seconds 60 60 60 G seconds 120 630 12...

Страница 51: ... discharge pipe thermistor is disconnected Feedback Control Target discharge pipe temperature control Details The following are the examples of electronic expansion valve control which function in each operation mode Available Not available Control Status Starting operation control Control when the frequency changes Target discharge pipe temperature control Discharge pipe thermistor disconnection ...

Страница 52: ...arge pipe temperature exceeds a certain value the electronic expansion valve opens and the refrigerant runs to the low pressure side This procedure lowers the discharge pipe temperature 2 11 7 Discharge Pipe Thermistor Disconnection Control Outline The disconnection of the discharge pipe thermistor is detected by comparing the discharge pipe temperature with the condensation temperature If the dis...

Страница 53: ...ctronic expansion valve opening is adjusted so that the actual discharge pipe temperature becomes close to the target discharge pipe temperature Indirect SH superheating control using the discharge pipe temperature The electronic expansion valve opening and the target discharge pipe temperature are adjusted every A seconds The opening degree of the electronic expansion valve is adjusted by the fol...

Страница 54: ... temperature thermistor 2 12 2 Detection of Overcurrent and Overload Outline An excessive output current is detected and the OL temperature is observed to protect the compressor Details If the OL compressor head temperature exceeds 130 C 266 F the system shuts down the compressor If the inverter current exceeds 12 0 18 0 A depending on the model the system shuts down the compressor The upper limit...

Страница 55: ...SiUS071735EA Remote Controller 44 Part 5 Remote Controller 1 Wired Remote Controller BRC1E73 45 2 Wireless Remote Controller BRC082A43 51 ...

Страница 56: ...ote Controller 1 Wired Remote Controller BRC1E73 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 Operation mode selector button 2 Fan speed control button ...

Страница 57: ...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 functionality Press this button to select the fan speed of your preference Available fan speeds vary with the indoor unit model Used to enter the main menu Used to enter the selected item Used to rai...

Страница 58: ...fault 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 clock and selectable item appear on Detailed display screen in addition to the items appearing on Standard display Displayed only when the indoor unit is turned on with no fan speed control function...

Страница 59: ...ample 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 displayed instead of the operation mode and or the setpoint may not be displayed Note for all display modes ...

Страница 60: ... 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 Mode icon These icons indicate the current ventilation mode ERV only AUTO ERV BYPASS Air Purify ICON This icon indicates that the air purifying unit Optional is in operation Used to display the fan sp...

Страница 61: ...r 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 Select 12 24 hour time display option in the main menu under Clock Calendar Room temperature is selected by default For other choices see the operation manual Displayed when the clock needs to be set Th...

Страница 62: ...ss Remote Controller BRC082A43 R25006 7 9 12 10 11 13 14 15 8 1 3 4 5 2 6 DOWN FAN UP ON OFF M H L hr hr TEST MODE TIMER RESERVE CANCEL DOWN UP TEST FAN TIME TEMP ON OFF M H L hr hr TEST F F The situation which opened the front cover of the remote control R25007 18 19 21 16 20 17 ...

Страница 63: ...MPERATURE SETTING BUTTON Use this button for SETTING TEMPERATURE Operates with the front cover of the remote controller closed PROGRAMMING TIMER BUTTON Use this button for programming START and or STOP time Operates with the front cover of the remote controller opened TIMER MODE START STOP BUTTON TIMER RESERVE CANCEL BUTTON OPERATION MODE SELECTOR BUTTON Press this button to select OPERATION MODE ...

Страница 64: ...troller 72 4 10 Signal Transmission Error Between MAIN Remote Controller and SUB Remote Controller 73 4 11 Low voltage Detection or Over voltage Detection 74 4 12 Signal Transmission Error Between Indoor Unit and Outdoor Unit 76 4 13 Mismatching of Indoor Unit and Outdoor Unit 78 4 14 Outdoor Unit PCB Abnormality 79 4 15 OL Activation Compressor Overload 80 4 16 Compressor Lock 82 4 17 DC Fan Lock...

Страница 65: ...ronic Expansion Valve Check 102 5 5 Four Way Valve Performance Check 103 5 6 Inverter Unit Refrigerant System Check 103 5 7 Inverter Analyzer Check 104 5 8 Rotation Pulse Check on the Outdoor Unit PCB 106 5 9 Installation Condition Check 107 5 10 Discharge Pressure Check 107 5 11 Outdoor Fan System Check 108 5 12 Main Circuit Short Check 108 5 13 Power Module Check 110 ...

Страница 66: ...ilure of 2 to 10 cycles stops air conditioner operation 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 operation limit 133 Diagnose with remote controller indication 63 The unit operates but does not cool or does not heat Check for wiring and piping errors in t...

Страница 67: ...s In either case conduct the diagnostic procedure described in the following pages With wired remote controller BRC1E73 With wireless remote controller BRC082A43 In case of wireless remote controller a receiver is installed When the error occurs the operation lamp on the receiver blinks 2 2 Outdoor Unit The outdoor unit has one green LED LED A on the PCB When the microcomputer works in order the L...

Страница 68: ...enheit 1 3 Main Menu Airflow Direction Individual Airflow Direction Ventilation Schedule Off Timer Celsius Fahrenheit Filter 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 changeover Fan speed control Menu display Confirmation of each setting On Off Cancel ...

Страница 69: ...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 will flash For Simple display the message is not displayed and only the Operation lamp flashes The Operation lamp will not flash For Simple display the message is not displayed and the Operation lamp d...

Страница 70: ...lter 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 Service settings can be made z Forced fan ON z Airflow rate setting Press INSPECTION TEST OPERATION button once Press ON OFF button within 10 seconds to start test operation Test operation will stop automatically ...

Страница 71: ...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 Continue the operation in step 4 until you hear a long beep This long beep indicates that the error code is confirmed 1 long beep There is no abnormality R24051 OPERATION MODE SELECTOR button ...

Страница 72: ... 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 short beeps The upper digit matches 1 short beep No digits match 1 long beep Both upper and lower digits match R24052 OPERATION MODE SELECTOR button ...

Страница 73: ...TION 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 R15413 UP DOWN F E J C H A 9 8 7 6 5 4 3 2 1 0 If you hear Then 2 short beeps No digits match 1 long beep Both upper and lower digits match R24053 OPERATION MODE SELECTOR button ...

Страница 74: ...controller thermistor abnormality 71 U5 Signal transmission error between indoor unit and remote controller 72 U8 Signal transmission error between MAIN remote controller and SUB remote controller 73 Outdoor Unit E1 Outdoor unit PCB abnormality 79 E5 OL activation compressor overload 80 E6 Compressor lock 82 E7 DC fan lock outdoor fan motor 83 E8 Input overcurrent detection 84 EA Four way valve ab...

Страница 75: ...omputer 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 slower than writing to RAM Supposed Causes Defective indoor unit PCB External factor noise etc Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged...

Страница 76: ...wer 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 system abnormality Connect the float switch Replace the float switch Replace the indoor unit PCB control PCB R25079 NO YES NO NO YES YES Is the drain pump connected to X25A on the indoor unit PCB NO Is the drain wate...

Страница 77: ...B Defective fan motor No fuse continuity Troubleshooting Check No 02 Refer to P 101 Connect the connector correctly Turn OFF the power supply and wait for 10 minutes NO Turn ON the power supply while the fan motor connector 1 is disconnected YES NO Connect the connector correctly NO YES YES Replace the fuse There is a continuity in the fuse 2 on the fan PCB or fan motor harness NO The fan motor co...

Страница 78: ...istance between the pins is equal to or lower than 1 Ω Replace the fan motor Replace the fan PCB A2P The HAP lamp on the indoor unit control PCB is blinking while the HAP lamp on the fan PCB is not blinking YES YES Check the fan motor connectors Check No 02 Replace the fan PCB A2P When A6 abnormality still reoccurs replace the fan motor A R25084 Model 1 Fan motor connector 2 Fuse FDMQ Series X8A F...

Страница 79: ...sconnecting connectors or parts may be damaged Check for the indoor unit control PCB A1P and the fan PCB A2P Connect the connector correctly NO YES YES Is the connector X3A on the fan PCB connected correctly Connect the connector correctly NO YES Is the connector X70A on the indoor unit control PCB connected correctly Replace the harness YES Is the harness connecting X3A and X70A broken NO NO Remo...

Страница 80: ...lectric 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 NO Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged The float switch may be defective Check if the drain up height and the horizontal pipe le...

Страница 81: ... 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 replace the thermistors as ASSY Check No 01 Refer to P 100 Step Action 1 Disconnect the thermistor from the indoor unit PCB 2 Read the temperature and the resistance value 3 Check if the measured values correspond...

Страница 82: ...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 the record of error codes press ON OFF button for 4 seconds or more while the error code is displayed in the inspection mode Replace the remote controller External factor other than equipment malfunction for ...

Страница 83: ... 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 indoor units blink Does operation return to normal when the power is turned off momentarily NO NO YES YES NO Replace the indoor unit PCB control PCB Set 1 remote controller to SUB turn the power supply off onc...

Страница 84: ...hen using 2 remote controllers Defective remote controller PCB Troubleshooting Note For the way to change MAIN SUB setting of remote controllers refer to pages 120 and 122 Turn the power off and then back on If a malfunction occurs replace the remote controller Turn the power off and then back on If a malfunction occurs replace the remote controller Set one remote controller to MAIN turn the power...

Страница 85: ...n the model The compressor stops if the error occurs and restarts automatically after 3 minute standby Over voltage detection An over voltage signal is fed from the over voltage detection circuit to the microcomputer over 458 500 V depending on the model The compressor stops if the error occurs and restarts automatically after 3 minute standby Supposed Causes Power supply voltage out of specificat...

Страница 86: ...ES YES YES Reconnect the harness Check the 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 for at least 30 seconds Turn on the power System restarted Repeat a few times Loose or disconnected NO NO Replace the outdoor fan motor and the outdoor unit PCB ...

Страница 87: ... 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 Reduction of power supply voltage Wiring error Breaking of the connecting wires between the indoor and outdoor units wire No 3 Defective outdoor unit PCB Short circuit inside the fan motor winding Defective indoo...

Страница 88: ...nd 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 there any wiring error Check the connection wires between the indoor unit and the outdoor unit Check the LED A on the outdoor unit PCB Be sure to turn off the power switch before connecting or disconnecting ...

Страница 89: ...heck again YES YES NO NO Connect the indoor outdoor units correctly YES YES YES YES NO NO NO Blink R24372 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 NO Is the optional units power supply connected from the indoor unit terminal block No...

Страница 90: ...t detected Supposed Causes Defective outdoor unit PCB Noise Momentary drop of voltage Momentary power failure Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Continuously ON or OFF Blink YES R21201 NO Replace the outdoor unit PCB main PCB Ground the system Zero cross signal abnormality Replace the outdoor unit PCB m...

Страница 91: ...own Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe thermistor Defective discharge pipe thermistor Disconnection of connector S40 Disconnection of 2 terminals of OL Q1L Defective OL Q1L Broken OL harness Defective electronic expansion valve or coil Defective four way valve or coil Defective outdoor unit PCB Refrigerant sho...

Страница 92: ...ce 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 PCB main PCB Discharge pipe thermistor disconnected Check No 01 Check the discharge pipe thermistor Check No 13 Check the four way valve Check No 14 Check the refrigerant line Check No 12 Check the electron...

Страница 93: ... the harnesses U V and W R21067 Caution NO YES YES NO NO YES NO YES Check No 15 Check with the inverter analyzer Turn off the power and reconnect the harnesses Turn on the power again and restart the system Precaution before turning on the power again Make sure the power has been off for at least 30 seconds Correct the power supply or replace the outdoor unit PCB main PCB Open the stop valve Inver...

Страница 94: ...e fan motor Foreign matter stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 106 R20416 Caution YES YES NO YES NO NO YES NO Turn on the power Rotate the fan Check No 16 Check the rotation pulse input on the outdoor unit PCB main PCB Turn off the power and reconnect the connector Remove the foreign matters Replace the outdoor fan motor Replace th...

Страница 95: ... Refer to P 107 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 interrupted by an input overcurrent after the wires have been disconnected and reconnected for part replacement check the wiring again R21863 NO YES YES NO Start operation and measure the input...

Страница 96: ...condition continues over 10 minutes after operating for 5 minutes Cooling Dry A B 5 C A B 9 F Heating B A 5 C B A 9 F A Room thermistor temperature B Indoor heat exchanger temperature If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of four way valve coil Defective four way valve coil or harness D...

Страница 97: ...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 mixed Stop valve Four way valve coil disconnected loose Harness disconnected Any thermistor disconnected Check No 01 Check the thermistors Check No 14 Check the refrigerant line Check No 13 Check the four way va...

Страница 98: ...ermistor Defective electronic expansion valve or coil Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 100 Check No 12 Refer to P 102 Check No 14 Refer to P 103 A B C F C F 09 12 class 110 230 88 190 4 15 18 24 class 110 230 95 203 R20417 Caution NG OK OK OK NG NG Discharge pipe thermisto...

Страница 99: ...the outdoor heat exchanger thermistor exceeds the limit Error Decision Conditions The temperature sensed by the outdoor heat exchanger thermistor rise above 57 5 61 C 135 5 141 8 F depending on the model Supposed Causes Installation space not large enough Dirty outdoor heat exchanger Defective outdoor fan motor Defective stop valve Defective electronic expansion valve or coil Defective outdoor hea...

Страница 100: ...oor unit PCB main PCB Replace the electronic expansion valve or the coil Replace the outdoor unit PCB main PCB Change the installation location or direction Clean the outdoor heat exchanger Check the installation space NG OK OK NG NG OK OK OK NG NG Check No 19 Check the outdoor fan Check No 18 Check the discharge pressure Check No 12 Check the electronic expansion valve Check No 01 Check the outdo...

Страница 101: ...uses Abnormal operation due to air intrusion Defective discharge pipe thermistor Troubleshooting Check No 01 Refer to P 100 YES R23655 NO OK NG Caution Replace the outdoor unit Replace both the discharge pipe thermistor and the outdoor unit PCB main PCB Replace the outdoor unit Abnormal deformation of piping in the outdoor unit Check No 01 Check the discharge pipe thermistor Be sure to turn off th...

Страница 102: ...ge before compressor start up is below 50 V Supposed Causes Broken or disconnected harness Defective outdoor unit PCB Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged NO R24613 YES Turn off the power Then turn on the power to restart the system YES NO Replace the harness Replace the outdoor unit PCB main PCB Is the h...

Страница 103: ...gh the position detection circuit Error Decision Conditions If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes without any other error Supposed Causes Power supply voltage out of specification Disconnection of the compressor harness Defective compressor Defective outdoor unit PCB Start up failure caused by the closed stop valve Input voltage outside th...

Страница 104: ...5 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 harnesses connected as specified Replace the outdoor unit PCB main PCB Correct the power supply or replace the outdoor unit PCB main PCB Replace the compressor Reconnect the electrical components or compressor harnes...

Страница 105: ... 04 V or less with the power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature Supposed Causes Disconnection of the connector for the thermistor Defective thermistor s Defective heat exchanger thermistor in the case of J3 error outdoor heat exchanger thermistor in cooling operation or indoor heat exchanger thermistor in heating operation Defective...

Страница 106: ...emperature Replace the defective thermistor s of the following thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Cooling Outdoor heat exchanger temperature Heating Indoor heat exchanger temperature Replace the indoor heat exchanger thermistor Replace the outdoor unit PCB main PCB Error displayed again on remote controller Indoor heat exchanger t...

Страница 107: ...Troubleshooting Check No 17 Refer to P 107 Check No 19 Refer to P 108 A B C C F C F C F 09 12 class 82 179 6 65 149 70 158 15 18 24 class 90 194 64 147 2 81 177 8 Caution WARNING To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above C and stops when the radiation fin temperature drops below B R22998 YES NO YES NG NO OK NO YES Turn off the power The...

Страница 108: ...the outdoor unit PCB Troubleshooting Check No 17 Refer to P 107 Check No 19 Refer to P 108 Note Refer to Silicone Grease on Power Transistor Diode Bridge on page 125 for details A B C F C F 09 12 class 99 210 2 70 158 15 18 24 class 100 212 57 134 6 Caution Turn off the power Then turn on the power to restart the system Be sure to turn off the power switch before connecting or disconnecting connec...

Страница 109: ... rotation speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection circuit to the microcomputer If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes without any other error Supposed Causes Poor installation condition Closed stop valve Defective power module Wrong internal wiring Abnormal...

Страница 110: ...f the same error 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 Compressor overload Short circuit Check the installation condition Check with the inverter analyzer Check the power module Not a malfunction Keep observing Check the connectors and other comp...

Страница 111: ...ove the PCB from the control PCB 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 kΩ C F 20 4 197 8 15 5 148 2 10 14 112 1 5 23 85 60 0 32 65 93 5 41 51 14 10 50 39 99 15 59 31 52 20 68 25 02 25 77 20 00 30 86 16 10 35 95 13 04 40 104 10 62 45 113 8 707 50 122 7 1...

Страница 112: ...3 Power Supply Waveforms Check Check No 11 Measure the power supply waveform between No 1 and No 2 on the terminal block and check the waveform disturbance Check if the power supply waveform is a sine wave Fig 1 Check if there is waveform disturbance near the zero cross sections circled in Fig 2 Measuring points Judgement White Blue 1 MΩ or more Orange Blue 100 kΩ or more Brown Blue 100 Ω or more ...

Страница 113: ... not generate a latching sound in step 2 disconnect the connector and check the continuity using a multimeter 4 Check the continuity between the pins 5 1 5 2 5 3 5 4 between the pins 6 1 6 2 6 3 and 6 4 for the 6P connector models If there is no continuity between the pins the EV coil is faulty 5 If the continuity is confirmed in step 3 the outdoor unit PCB main PCB is faulty Harness 5P 6P Connect...

Страница 114: ...ng 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 2000 Ω S80 voltage at 208 230 VAC with compressor on Fig 1 R14674 Fig 1 Compressor ON Voltage at S80 208 230 VAC Time Refrigerant system check Check for refrigerant leakage See the service diagnosis on refrigerant sho...

Страница 115: ...ure to turn off the power Step 2 Install an inverter analyzer instead of a compressor Note Make sure the charged 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 difficult to remove the wire on the terminals it is possible to connect wires available on site to...

Страница 116: ...RC1E73 1 Turn the power on 2 Set FAN operation using the remote controller 3 Press and hold Cancel button for 4 seconds or longer Test operation will stop automatically after about 30 minutes To stop the operation press On Off button 4 Select Test Operation in the service settings menu then press Menu OK button Basic screen returns and Test Operation is displayed at the bottom 5 Press On Off butto...

Страница 117: ...ntrol voltage between the pins 4 3 is 15 VDC 4 Check that the rotation command voltage between the pins 4 2 is 0 6 5 VDC 5 Keep operation off and power off Connect the connector S70 or S71 6 Check whether 4 rotation pulses 0 15 VDC are input at the pins 4 1 when the fan motor is rotated 1 turn by hand When the fuse is melted check the outdoor fan motor for proper function If NG in step 2 Defective...

Страница 118: ...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 temperature The outdoor temperature should be within the operation range R19385 YES YES YES NO NO NO NO YES Is the air filter or indoor outdoor heat exchanger dirty Is the connection pipe deformed Is the...

Страница 119: ...ng to the table below If the resistance is or less than 1 kΩ short circuit occurs on the main circuit 09 12 class R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan system Reconnect the connector Is the outdoor fan running Fan motor lead wire connector disconnected Go to Check No 16 Positive terminal of digital multimeter 2 3 4 2 3 1 Negative terminal of digital multimete...

Страница 120: ...Check SiUS071735EA 109 Service Diagnosis 15 18 24 class R25105 1 2 3 4 Multimeter ...

Страница 121: ...n on the connector Follow the procedure below to measure resistance between the terminals of the power module and the terminals of the compressor with a multimeter Evaluate the measurement results referring to the following table 09 12 class Positive terminal of digital multimeter Power module UVW Power module UVW Negative terminal of digital multimeter UVW Power module UVW Power module Resistance...

Страница 122: ...Check SiUS071735EA 111 Service Diagnosis 15 18 24 class R20704 W V U DC_P1 DC_N1 ...

Страница 123: ...d Cooling Operation 114 3 Trial Operation 115 4 Field Settings 118 4 1 How to Change the Field Settings 118 4 2 Overview of the Field Settings 121 4 3 MAIN SUB and Address Setting for Wireless Remote Controller 122 4 4 Facility Setting cooling at low outdoor temperature 124 5 Silicone Grease on Power Transistor Diode Bridge 125 ...

Страница 124: ... the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 to 10 minutes close the liquid stop valve with a hexagonal wrench 4 After 2 to 3 minutes close the gas stop valve and stop forced cooling operation 5 Attach the valve cap once procedures are complete Refer to Forced Cooling Operation on page 114 for details Gas stop valve Valve cap Close Liquid stop valve ...

Страница 125: ...s menu is displayed 3 Select in the service settings menu and press Menu OK button Basic screen returns and Test Operation is displayed at the bottom 4 Press On Off button within 10 seconds and the forced cooling operation starts Forced cooling operation will stop automatically after about 15 minutes To stop the operation press On Off button 1 Press button and select the COOL operation 2 Press but...

Страница 126: ...t all functions and parts 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 is complete set the temperature to a normal level 78 F to 82 F 26 C to 28 C in COOL operation 68 F to 75 F 20 C to 24 C in HEAT operation Caution When performing field settings or trial operation without attaching the...

Страница 127: ...emperature setpoint and room temperature In the case of above mentioned procedures 3 and 4 in reverse order test operation can start as well 5 Press and hold Cancel button for 4 seconds or longer in the basic screen Service settings menu is displayed 6 Select in the service settings menu and press Menu OK button Basic screen returns and normal operation is conducted Test operation will stop automa...

Страница 128: ...oling 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 supply voltage correspond to that shown on the name plate No operation or burn damage Only specified wires are used for all wiring and all wires are connected correctly No operation or burn damage System is pr...

Страница 129: ...mote 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 the Service Settings menu and press Menu OK button Field settings screen is displayed a b c d R18831 Basic screen 1 Set temperature 28 C Fan Return Press the menu button Press and hold Cancel button f...

Страница 130: ...ed 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 determined and field settings screen returns 8 In the case of multiple setting changes repeat 3 to 7 9 After all setting changes are completed press Cancel button twice 10 Backlight goes out and Checking the connection Ple...

Страница 131: ...st 4 seconds to enter the Field Set mode 2 Select the desired Mode No with MODE button 3 Press button and select the First code No 4 Press button and select the Second code No 5 Press RESERVE button to confirm the settings 6 Press TEST button to quit the Field Set mode and to return to normal display again RESERVE button Mode No Field setting mode UP button DOWN button First code No Second code No...

Страница 132: ...lter cleaning sign interval used to change filter cleaning display interval according to filter contamination Longlife filter Light Approx 2 500 hrs Heavy Approx 1 250 hrs Standard filter Approx 200 hrs Approx 100 hrs 3 Filter cleaning sign used to set filter cleaning display ON OFF Display No display 11 21 7 Air volume adjustment OFF Air volume adjustment completion Air volume adjustment start 13...

Страница 133: ...s remote controller with 1 indoor unit change the MAIN SUB switch of the signal receiver PCB Signal Receiver PCB Setting MAIN SUB switch Set the MAIN SUB setting switch SS1 on the signal receiver PCB to SUB Wireless address switch Set the address setting switch SS2 on the signal receiver PCB according to the table below MAIN SUB MAIN SUB setting switch SS1 Unit No No 1 No 2 No 3 Address setting sw...

Страница 134: ... the setting 5 Hold down TEST button to quit the field setting mode and return to the normal display Multiple Settings or When the indoor unit is controlled by an outside controller central remote 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 multiple ...

Страница 135: ...elow 20 C 4 F restarting once the temperature rises above this level 1 Remove the top plate of the outdoor unit 09 12 class 3 screws 15 18 24 class 6 screws 2 Remove the front plate 09 12 class 4 screws 15 18 24 class 8 screws 3 Cut the jumper J6 of the PCB inside For the location of the jumper refer to pages 13 14 Caution Replace the PCB if you accidentally cut a wrong jumper Jumpers are necessar...

Страница 136: ... 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 diode bridge 4 Make sure that the heat radiation parts are firmly contacted to the radiation fin Note Smoke emission may be caused by bad heat radiation when the silicone grease is not appropriately app...

Страница 137: ...SiUS071735EA Appendix 126 Part 8 Appendix 1 Piping Diagrams 127 1 1 Indoor Unit 127 1 2 Outdoor Unit 128 2 Wiring Diagrams 130 2 1 Indoor Unit 130 2 2 Outdoor Unit 131 3 Operation Limit 133 ...

Страница 138: ...Piping Diagrams SiUS071735EA 127 Appendix 1 Piping Diagrams 1 1 Indoor Unit FDMQ09 12 15 18 24RVJU C 4D112974A ...

Страница 139: ...1 4 CuT FIELD PIPING 3 8 CuT GAS STOP VALVE WITH SERVICE PORT DISCHARGE PIPE THERMISTOR FOUR WAY VALVE ON HEATING 3D092207C OUTDOOR UNIT HEAT EXCHANGER 9 32 CuT 9 32 CuT 9 32 CuT 1 2 CuT 9 32 CuT CAPILLARY TUBE 1 5 32 CuT 1 4 CuT 1 4 CuT CAPILLARY TUBE 2 REFRIGERANT FLOW 5 32 CuT COOLING HEATING M PROPELLER FAN STRAINER 1 2 CuT 1 4 CuT 1 2 CuT 1 2 CuT MUFFLER 5 16 CuT 1 4 CuT MUFFLER 1 2 CuT ACCUM...

Страница 140: ...Piping Diagrams SiUS071735EA 129 Appendix RX24RMVJU A 3D092249A ...

Страница 141: ...735EA Wiring Diagrams Appendix 130 2 Wiring Diagrams 2 1 Indoor Unit FDMQ09 12 15 18 24RVJU Note A1P Control PCB A2P Indoor fan PCB Refer to Part 3 for Printed Circuit Board Connector Wiring Diagram 3D112629A ...

Страница 142: ...Wiring Diagrams SiUS071735EA 131 Appendix 2 2 Outdoor Unit RX09 12RMVJU 9 Note PCB1 Main PCB Refer to Part 3 for Printed Circuit Board Connector Wiring Diagram 3D112531A ...

Страница 143: ...FER TO THE NAMEPLATE FOR THE POWER REQUIREMENTS V U W t t t MS M Y1S Q1L Y1E M1C M1F GROUND N 5 Z3C N 4 Z2C FU3 30A FU1 3 15A FU2 3 15A Z1C N 4 MS 3 R1T OUTDOOR R2T CONDENSER R3T DISCHARGE IN CASE OF HEAT PUMP TYPE C7 DB1 FU1 FU2 FU3 IPM1 L1 L2 M1C M1F MRM10 MRM20 MRCW PAM PCB CAPACITOR DIODE BRIDGE FUSE INTELLIGENT POWER MODULE LIVE COMPRESSOR MOTOR FAN MOTOR MAGNETIC RELAY PULSE AMPLITUDE MODULA...

Страница 144: ...nt such as computers Never use it in a residence or office the space where there is a human Indoor fan tap should be fixed to high Cutting jumper 6 J6 on the circuit board extend the operation range to 14 F 10 C Installing an air direction adjustment grille wind baffle sold separately extend the operation range to 4 F 20 C Heating Cooling 70 122 64 4 114 8 60 104 50 86 41 68 Pull down period Conti...

Страница 145: ...Revision History Month Year Version Revised contents 01 2018 SiUS071735E First edition 06 2020 SiUS071735EA Model addition RX09 12RMVJU9 RX15 24RMVJUA RX18RMVJU9 A ...

Страница 146: ...s Use of unauthorized 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 using this product The user s manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any inquiries please contact your l...

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