Page 1 September 28 , 2018 SERVICE MANUAL SERVICE MANUAL STANDARD INVERTER PACKAGED AIR-CONDITIONERS (Split system, air to air heat pump type) CEILING CASSETTE-4WAY TYPE CEILING SUSPENDED TYPE FDEN71VNPVF1 FDT71VNPVF1 FDEN90VNPVF1 FDT90VNPVF1 DUCT CONNECTED-LOW/MIDDLE DUCT CONNECTED-HIGH STATIC STATIC PRESSURE TYPE PRESSURE TYPE FDUM71VNPVF1 FDU71VNPVF1...
Page 2 '13 • PAC-SM-195 CONTENTS 1. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ....1.1 Remote control ..................1.2 Operation control function by the wired remote control ..... 1.3 Operation control function by the indoor control ........ 12 1.3.1 FDT, FDEN, FDU, FDUM, FDF series ..........
Page 3 '13 • PAC-SM-195 (33) The operation judgment is executed every 5 minutes (RC-EX1A only) ..27 (34) Auto fan speed control (RC-EX1A only) ..........27 (35) IU overload alarm (RC-EX1A only) ............27 1.3.2 SRK series ..................28 (1) Unit ON/OFF button ................
Page 4 '13 • PAC-SM-195 2. MAINTENANCE DATA ..................45 2.1 FDT, FDEN, FDU, FDUM, FDF series ............45 2.1.1 Diagnosing of microcomputer circuit ..........45 (1) Selfdiagnosis function ................45 (2) Troubleshooting procedure ..............48 (3) Troubleshooting at the indoor unit ............
Page 5 '13 • PAC-SM-195 (7) Effective range of cool/hot wind (Reference) ........169 5.2 Electric wiring work installation .............170 (1) FDT, FDEN, FDUM series ..............170 (2) FDU series ....................174 (3) FDF series ....................178 5.3 Installation of wired remote control (option) .........182 5.4 Installation of outdoor unit ..............196 .................
Page 6 '13 • PAC-SM-195 1. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1.1 Remote control Wired remote control Model RC-E5 The figure below shows the remote control with the cover opened. Note that all the items that may be displayed in the liquid crystal display area are shown in the figure for the sake of explanation Characters displayed with dots in the liquid crystal display area are abbreviated.
Page 7 '13 • PAC-SM-195 Model RC-EX1A All icons are shown for the sake of explanation. ⑦ Clock, R/C name display ⑤ LCD display (With backlight) A tap on the LCD lights the backlight. Displays the current time and The backlight turns off automatically if there is no the name of R/C operation for certain period of time.
Page 8 '13 • PAC-SM-195 Wireless remote control (a) RCN-E1R Indication section Indicates set temperature. Indicates the status of swing louver. Indicates selected operation with Indicates the selected airflow volume Indicates for two seconds when FILTER button is pressed. Indicates when ON-TIMER is set. Indicates when OFF-TIMER is set.
Page 9 '13 • PAC-SM-195 (b) SRK series only Indication section OPERATION MODE display Indicates selected operation with. AIR FLOW display Indicates the status of swing louver. ROOM TEMP display Indicates set temperature. TIMER setting time display Indicates TIMER setting time. FAN SPEED display Indicates the selected airflow volume OFF-TIMER display ON-TIMER display...
Page 10 '13 • PAC-SM-195 1.2 Operation control function by the wired remote control Model RC-E5 Switching sequence of the operation mode switches of remote control CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power supply reset.
Page 11 '13 • PAC-SM-195 Model RC-EX1A (1) Switching sequence of the operation mode switches of remote control (a) Tap the change operation mode button on the TOP screen. (b) When the change operation mode screen is displayed, tap the button of desired mode. (c) When the operation mode is selected, the display returns to the TOP screen.
Page 12 '13 • PAC-SM-195 • Since it memorizes always the condition of remote control, it starts operation according to the contents of memory no sooner than normal state is recovered after the power failure. Although the auto swing stop position and the timer mode are cancelled, the weekly timer setting is restored with the holiday setting for all weekdays.
Page 13 '13 • PAC-SM-195 1.3 Operation control function by the indoor control 1.3.1 FDT, FDEN, FDU, FDUM, FDF series (1) Auto operation (a) If “Auto” mode is selected by the remote control, the heating and the cooling are automatically switched according to the difference between outdoor air temperature and setting temperature and the difference between setting temperature and return air temperature.
Page 14 '13 • PAC-SM-195 (ii) R egardless of the setting temperature, the cooling or heating operation mode is judged according to the "Judgment based on Room temperature/Cooling or Heating and Outdoor temperature/Cooling or Heating". ) I n case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air tem- perature"...
Page 15 '13 • PAC-SM-195 Timer operation (a) RC-E5 Sleep timer Set the duration of time from the present to the time to turn off the air-conditioner. It can be selected from 0 steps in the range from “OFF hour later” to “OFF 0 hours later”. After the sleep timer setting, the remaining time is displayed with progress of time in the unit of hour.
Page 16 '13 • PAC-SM-195 Remote control display during the operation stop When the operation is stopped (the power supply is turned ON), it displays preferentially the “Room temperature”, “Center/ Remote”, “Filter sign”, “Inspection” and “Timer operation”. Hot start (Cold draft prevention at heating) (a) Operating conditions When either one of following conditions is met, the hot start control is performed.
Page 17 '13 • PAC-SM-195 Auto swing control (FDTC, FDT and FDEN only) (a) RC-E5 (i) Louver control Press the “LOUVER” button to operate the swing louver when the air conditioner is operating. “SWING ” is displayed for seconds and then the swing louver moves up and down continuously. To fix the swing louver at a position, press one time the “LOUVER” button while the swing louver is moving so that four stop positions are displayed one after another per second.
Page 18 '13 • PAC-SM-195 Thermostat operation (a) Cooling (i) Thermostat is operated with the room temperature control. (ii) Thermostat is turned ON or OFF relative to the set room temperature as shown below. Thermostat ON Temperature drop Thermostat OFF Temperature rise Set room temperature (iii) Thermostat is turned ON when the room temperature is in the range of - <...
Page 19 '13 • PAC-SM-195 (d) Fan control during cooling thermostat OFF (FDT, FDU, FDUM series only) (i) Following fan controls during the cooling thermostat OFF can be selected with the indoor function setting of the wired remote control. ① Low fanspeed, ② Set fan speed (Factory default), ③ Intermittence, ④ Fan OFF (ii) When the “Low fan speed”...
Page 20 '13 • PAC-SM-195 (12) Drain pump control This control is operated when the inverter frequency is other than 0 Hz during the cooling operation and automatic cooling and dehumidifying operations. (b) Drain pump ON condition continues for minutes even when it enters the OFF range according to (i) above after turning the drain pump ON, and then stops.
Page 21 '13 • PAC-SM-195 Operation check mode There is no communication with the outdoor unit but it allows performing operation in respective modes by operating the remote control. (d) Drain pump test run mode As the drain pump test run is established, the drain pump only operates and during the operation protective functions by the microcomputer of indoor unit become ineffective.
Page 22 '13 • PAC-SM-195 (17) Anomalous fan motor After starting the fan motor, if the fan motor speed is 200min or less is detected for 30 seconds continuously and 4 times within 60 minutes, then fan motor stops with the anomalous stop (E16). (b) If the fan motor fails to reach at -0(FDU: -00) min less than the required speed, it stops with the anomalous stop (E0).
Page 23 '13 • PAC-SM-195 (20) Abnormal temperature thermistor (return air/indoor heat exchanger) wire/short-circuit detection Broken wire detection When the return air temperature thermistor detects -0°C or lower or the heat exchanger temperature thermistor detect -0°C or lower for seconds continuously, the compressor stops. After a -minute delay, the compressor restarts but, if it is detected again within 0 minutes after the initial detection for minutes continuously, stops again (the return air temperature thermistor: E, the heat exchanger temperature thermistor: E).
Page 24 '13 • PAC-SM-195 In case of “Level input” setting (Factory default) Input signal to CnT-6 or CnTA is OFF→ON …… unit ON Input signal to CnT-6 or CnTA is ON→OFF …… unit OFF Operation is not inverted. CnT-6 or CnTA input CnT-6 or CnTA input Unit A Unit A Unit B Unit B Remote Remote Remote Remote control OFF control ON control OFF control ON Note: The latest operation has priority...
Page 25 '13 • PAC-SM-195 (22) Operation permission/prohibition (In case of adopting card key switches or commercially available timers) When the indoor function setting of wired remote control for “Operation permission/prohibition” is changed from “Invalid (Factory default)” to “ Valid”, following control becomes effective. ・...
Page 26 '13 • PAC-SM-195 (b) In case of CnT ③ Operation permission/prohibition level + CnTA ③ Operation permission/prohibition level Operation permission Operation permission Operation Operation permission permission prohibition setting Operation CnTA Operation permission permission Operation Operation permission/ permission prohibition setting Operation Operation permission permission Operation permission/...
Page 27 '13 • PAC-SM-195 (d) If the cooling/heating selection signal is given by the external input, the operation mode is transmitted to the remote control. ■ Selection of cooling/heating external input function External input selection External input method Operation External terminal input (CnT or CnTA) Cooling zone Heating zone...
Page 28 '13 • PAC-SM-195 (28) Energy-saving operation (RC-EX1A only) It operates with the setting temperature fixed at °C for cooling, °C for heating or °C for auto. (Maximum capacity is restricted at 0%.) (29) Warm-up control (RC-EX1A only) Operation will be started to 0 minutes before use according to the forecast made by the microcomputer which calculates when the operation should be started in order to warm up the indoor temperature near the setting temperature at the setting time of operation start.
Page 29 '09•SRK-DB-087D '13 • PAC-SM-195 1.3.2 SRK series (1) Unit ON/OFF button wireless wireless (a) Operation (b) Details of operation Function Indoor temperature Fan speed Flap/Louver Timer Switch setting Operation mode COOL Unit ON/OFF button HEAT (2) Auto restart function Jumper wire (J170) (ii) (J170) (3) Installing two air conditioners in the same room...
Page 30 '13 • PAC-SM-195 (4) Selection of the annual cooling function (a) The annual cooling function can be enabled or disabled by means of the jumper wire (J172) on the indoor unit PCB and the dip switch (SW2-4) on the interface kit (optional) PCB. Interface kit Jumper wire (SC-BIKN-E)
Page 31 ③ When the operation is retrieved from CLEAN or ALLERGEN CLEAR operation. (b) When the following operation are set, ECONOMY operation will be canceled. ① When the HI POWER/ECONO button is pressed again. '13 • PAC-SM-195 ② When the operation mode is changed DRY to FAN. (c) Not operable while the air-conditioner is OFF.
Page 32 display Center installation Left Approx. 50° Left Approx. 20° Center Right Approx. 20° Right Approx. 50° '13 • PAC-SM-195 (c) Swing (ii) In HEAT operation In COOL, DRY, FAN operation Approx. 5° Approx. 35° Approx. 60° Approx. 80° (c) Memory ﬂap (Flap or Louver stopped) '09•SRK-DB-087D (d) When not operating (8) 3D auto operation...
Page 33 Cooling Heating '13 • PAC-SM-195 Flap Up/down swing Center (Fixed) Louver Cooling Heating Flap Horizontal blowing (Fixed) Slant forwardl blowing (Fixed) Wide (Fixed) Louver Operation mode Air flow direction contorol Indoor temp. – Setting temp. 2°C < = 2°C < Indoor temp. – Setting temp. 5°C <...
Page 34 (c) OFF timer operation '13 • PAC-SM-195 (11) Installation location setting wireless (a) Setting If the air conditioning unit is running, press the ON/OFF button to stop. (ii) Press the AIR FLOW U/D (UP/DOWN) button and the AIR FLOW L/R (LEFT/RIGHT) button together for 5 seconds Activating both up/down air swing and left/right air swing at the same time results in a multi-directional air flow.
Page 35 Compressor ON(HOT KEEP) Indoor fan motor Outdoor fan motor (few minutes ON) '13 • PAC-SM-195 4-way valve (3 minutes ON) (b) Details of control at each operation mode (pattern) Fuzzy operation Model SRK71ZM-S Fan speed AUTO 20~116rps 20~116rps 20~116rps 20~98rps 20~58rps (ii) Hot keep operation...
Page 36 25.5 Dehumidifying Indoor air temperature (˚C) Dehumidifying Indoor air temperature (˚C) 18.0 18.0 '13 • PAC-SM-195 Heating Heating Outdoor air temperature (˚C) Outdoor air temperature (˚C) (i) (i) When both the indoor and the outdoor air temperatures are in the range “A”, cooling or heating is switched depending on (ii) (ii) When both the indoor and the outdoor air temperatures are in the range “A”, cooling or heating is switched depending on...
Page 37 Discharge pipe temperature (˚C) '13 • PAC-SM-195 105 115 95 105 When this control has continued for more than 0 minutes continuously, the following wind direction control is per- 95 105 formed. a) When the vertical wind direction is set at other than the vertical swing, the flaps change to the horizontal position. Item Cooling Heating Model b) When the horizontal wind direction is set at other than the horizontal swing, the louver changes to the vertical po- Lower limit speed 25 rps 32 rps...
Page 38 '13 • PAC-SM-195 1.4 Operation control function by the outdoor control Compressor command speed Unit: rps Cooling Heating Model Item FDC71 FDC90 FDC71 FDC90 Upper limit Lower limit Compressor protection start (a) Compressor protection startI (i) Operating conditions: When the compressor is turned ON from the state of OFF. (ii) Detail of operation: During the protection start I control, the upper limit of compressor speed is restricted to the speeds as shown in the following table.
Page 39 '13 • PAC-SM-195 Relationship between compressor speed and outdoor unit fan speed Outdoor unit fan speed is controlled according to the operation mode (Heating/cooling) and the compressor speed. Unit: rps Fan speed st speed nd speed rd speed th speed th speed th speed th speed...
Page 40 '13 • PAC-SM-195 (ii) Heating Operating conditions: When the outdoor air temperature (TH) is ºC or higher continues for 0 seconds while the compressor command speed is other than 0 rps. Detail of operation: After the outdoor fan operates at - speed for 0 seconds; the corresponding outdoor heat exchanger temperature shall implement the following controls.
Page 41 '13 • PAC-SM-195 (b) Ending conditions (Operation returns to the heating cycle when either one of the following is met.) Outdoor heat exchanger sensor (TH) temperature: 0ºC or higher (ii) Continued operation time of defrosting → For more than 18 minutes. ¡Defrost operation Heating operation Max. 18 minutes 2~7 minutes Hot start operation Depends on an operation condition, the time can be longer than 7 minutes.
Page 42 '13 • PAC-SM-195 (b) Detail of operation: The lower limit of the compressor command speed is set to () rps and even if the speed becomes lower than () rps, the speed is kept to () rps. However, when the thermo OFF, the speed is reduced to 0 rps. (ii) The upper limit of the compressor command speed is set to 0 <>...
Page 43 '13 • PAC-SM-195 (c) Reset conditions: Upper limit 75rps Lower limit 40rps Upper limit 90rps Lower limit 30rps Outdoor air temperature(°C) (10) Heating low outdoor temperature protective control lower (a) Operating conditions: (b) Detail of operation: Lower limit 45 rps Lower limit 35 rps Normal operation Outdoor air temperature(°C) (c) Reset conditions:When either of the following condition is satisfied.
Page 44 '13 • PAC-SM-195 (13) Current cut (a) Purpose: Inverter is protected from overcurrent. (b) Detail of operation: Output current from the inverter is monitored with a shunt resistor and, if the current exceeds the setting value, the compressor is stopped immediately. Operation starts again after a delay time of minutes.
Page 45 '13 • PAC-SM-195 (19) Broken wire detection on temperature sensor Outdoor unit heat exchanger sersor, outdoor air sensor If the following is detected for second continuously within minutes to minutes and 0 seconds after the compressor ON, the compressor stops. After a delay of minutes, it restarts but, if the same is detected repeatedly times within 0 minutes, the compressor stops with the anomalous stop.
Page 46 '13 • PAC-SM-195 2. MAINTENANCE DATA 2.1 FDT, FDEN, FDU, FDUM, FDF series 2.1.1 Diagnosing of microcomputer circuit (1) Selfdiagnosis function (a) Check indicator table Whether a failure exists or not on the indoor unit can be know by the contents of remote control error code, indoor unit green LED (power pilot lamp and microcomputer normality pilot lamp) or red LED (check pilot lamp). (i) Indoor unit In case of these indoor unit errors, the outdoor control PCB Red LED stays OFF.
Page 47 '13 • PAC-SM-195 Remote control Indoor control PCB Reference Location of trouble Description of trouble Repair method Green page Error code Red LED Red LED LED (1) Fan motor • Defective by rotation speed of fan motor Replacement, repair 1(2)-time Keeps flash flashing Indoor power PCB • Defective indoor power PCB Replacement Keeps 1-time Keeps flashing Panel switch detection • Defective panel switch operation (FDT only) Repair flash flashing...
Page 48 '13 • PAC-SM-195 (iv) Display sequence of error codes or inspection indicator lamps ■ Occurrence of one kind of error Displays are shown respectively according to errors. ■ Occurrence of plural kinds of error Section Category of display Error code on remote control • Displays the error of higher priority (When plural errors are persisting) Red LED on indoor control PCB • Displays the present errors. (When a new error has occurred after the former error was reset.) Red LED on outdoor main PCB ■...
Page 49 '13 • PAC-SM-195 ■ Error log and reset Error indicator Memorized error log Reset Remote control display • Higher priority error is memorized. • Stop the unit by pressing the ON/OFF switch of remote control. Red LED on indoor control PCB • Not memorized. •...
Page 50 '13 • PAC-SM-195 (i) Model FDT, FDU, FDUM series PSB012D990B 1) Control PCB Replace and set up the PCB according to this instruction. ① Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control Address Plural indoor units control by 1 remote control Normal...
Page 51 '13 • PAC-SM-195 2) Power PCB Model FDT, FDUM series This PCB is a general PCB. Replace the PCB according to this instruction. ① Replace the PCB 1. Unscrew terminal of the wiring(yellow/green) connected to Terminal block (CNWO) from the box. 2. Replace the PCB only after all the wirings connected to the connector are removed. 3.
Page 52 '13 • PAC-SM-195 Model FDU series PSC012D021 This PCB is a general PCB. Replace the PCB according to this instruction. 1)Replace the PCB a) Unscrew terminal(Arrow A) of the "E2" wiring(yellow/green) that is connected to PCB. b) Replace the PCB only after all the wirings connected to the connector are removed. c) Fix the board such that it will not p inch any of the wires.
Page 53 '13 • PAC-SM-195 (ii) Model FDEN series PSB01ZD974C Replace and set up the PCB according to this instruction. SW2 (Blue) CNW0(Red） Address setting Part number Power source CNW2(Black） CNW1（White） Secondary Primary transformer transformer CNB(White） Remote control CNM3（White） Fan motor CNG（Blue） CNJ2(Blue） Louver motor CNE（White）...
Page 54 '13 • PAC-SM-195 (iii) Model FDF series PSB012D976C 1) Control PCB Replace and set up the PCB according to this instruction. ① Set to an appropriate address and function using switch on PCB. Select the same setting with the removed PCB. item switch Content of control Address Plural indoor units control by 1 remote control Normal...
Page 55 '13 • PAC-SM-195 2) Power PCB PSB012D953C Part number Part number...
Page 56 '13 • PAC-SM-195 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C Reserved keep OFF SW5-1 Reserved keep OFF SW5-2 SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4 Normal * /Test run...
Page 57 '13 • PAC-SM-195 (4) Troubleshooting at the outdoor unit When troubleshooting the outdoor unit, firstly assess the overview of malfunction and try to presume the cause and the faulty part by checking the error code dispalyed on the remote control and flashing pattern of indicator lamps (Red LED), and then proceed further inspection and remedy it.
Page 58 '13 • PAC-SM-195 Exchange the PCB(Main) according to the following procedures. PSC012D029 1. Exchange the PCB (Main) after checking that the red LED (LED1) on the PCB (Main) goes out for 10 seconds or more after elapsing 3 minutes or more from power OFF. (Refer to Fig.1) 2.
Page 59 '13 • PAC-SM-195 Step.2 Disconnect the connectors and remove the band (when there is a band) as shown in the Fig.4-1 and Fig.4-2. Terminal No.3. RCT505A004 CNMAIN Band (RD) Fig.4-1 Parts arrangement view (PCB (Sub)) Fig.4-2 Terminal block side view Step.3 Disconnect the connectors from PCB (Main).
Page 60 '13 • PAC-SM-195 Check of anomalous operation data with the remote control (a) In case of RC-E5 remote control Number Data Item Operation data can be checked with remote control unit operation. (Operation Mode) (Set Temperature) ➀ Press the button. (Return Air Temperature) The display change “ ” (Remote Control Thermistor Tempeature) ➁ Press the (SET) button while “...
Page 61 '13 • PAC-SM-195 (b) In case of RC-EX1A remote control [Operating procedure] ➀ On the TOP screen, touch the buttons in the order of “Menu” ➝ “Next” ➝ “Service & Maintenance” ➝ “Service password” ➝ “Set” ➝ “Error display” ➝ “Error history”. ➁ When only one indoor unit is connected to the remote control, followings will be displayed. 1.
Page 62 '13 • PAC-SM-195 Power transistor module (including the driver PCB) inspection procedure Is the power transistor module cracked or burnt? Is there a short circuit between the power transistor module terminals? 1 Compressor operation Is there any difference in the compressor current If there is a 10% or greater difference between phases? in the current in different phases.
Page 63 '13 • PAC-SM-195 (7) Inverter checker for diagnosis of inverter output 　●Checking method (a) Setup procedure of checker. (i) Power OFF (Turn off the breaker). (ii) Remove the terminal cover of compressor and disconnect the wires (U, V, W) from compressor. (iii) Connect the wires U (Red) , V (White) and W (Black) of checker to the terminal of disconnected wires (U, V, W) from compressor respectively.
Page 64 '13 • PAC-SM-195 (8) Outdoor unit controller failure diagnosis circuit diagram Model FDC71VNP ◆Check point of outdoor unit ◆Power source and serial signal inspection CAUTION- HIGH VOLTAGE HIGH VOLTAGE : AC 220/230/240V High voltage is produced in the control box. Don't touch : AC 220/230/240V electrical parts in the control box for 5 minutes after the : Normal if the voltage oscillates between...
Page 65 '13 • PAC-SM-195 Model FDC90VNP ◆Check point of outdoor unit CAUTION- HIGH VOLTAGE ◆Power source and serial signal inspection : AC 220/230/240V High voltage is produced in the control box. Don't touch : AC 220/230/240V electrical parts in the control box for 5 minutes after the : Normal if the voltage oscillates between unit is stopped.
Page 66 '13 • PAC-SM-195 2.1.2 Troubleshooting flow (1) List of troubles Remote control display Description of trouble Reference page None Operates but does not cool. None Operates but does not heat. None Earth leakage breaker activated None Excessive noise/vibration (1/3) None Excessive noise/vibration (2/3) None Excessive noise/vibration (3/3) None Louver motor failure (FDT, FDEN, FDF series)
Page 67 '13 • PAC-SM-195 (2) Troubleshooting Green Content Error code None Operates but does not cool Remote control: Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature differnce between return and supply air.
Page 68 '13 • PAC-SM-195 Green Content Error code None Operates but does not heat Remote control: Keeps flashing Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature differnce between return and supply air. It is normal.
Page 69 '13 • PAC-SM-195 Green Content Error code None Earth leakage breaker activated Remote control: Stays OFF Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are OK the insulation resistance and Replace compressor. coil resistance of compressor? 2.
Page 70 '13 • PAC-SM-195 Green Content Error code None Excessive noise/vibration (1/3) Remote control: – – Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure If excessive noise/vibration persists when sufficient Does time has elapsed after noise/vibration stopping the unit, it is occur during or soon considered that the air- after stopping operation...
Page 71 '13 • PAC-SM-195 Green Content Error code None Excessive noise/vibration (2/3) Remote control: – – Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Rearrange the piping to Are the pipes avoid contact with the contacting the casing.
Page 72 '13 • PAC-SM-195 Green Content Error code None Excessive noise/vibration (3/3) Remote control: – – Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page If insufficient cooling/ Adjustment heating problem happens during commissioning due to anomalous operating Does noise/vibration occur when the conditions at cooling/ cooling/heating operation is in...
Page 73 '13 • PAC-SM-195 Green Content Error code Louver motor failure None Remote control: Keeps flashing Stays OFF Indoor (FDT, FDEN, FDF series) 5. Troubleshooting 1. Applicable model FDT, FDEN, FDF series only Diagnosis Countermeasure � Check at the indoor unit side. Operate after waiting for more than 1 minute.
Page 74 '13 • PAC-SM-195 Green Error code Content Power supply system error Remote control: None (Power supply to indoor control PCB) Indoor Stays OFF Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220-240V detected between � and � on the terminal block of indoor unit? AC220-240V...
Page 75 '13 • PAC-SM-195 Green Content Error code Power supply system error None Remote control: (Power supply to remote control) Keeps flashing Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct. loose connection of remote control wires? 2.
Page 76 '13 • PAC-SM-195 Green Content Error code INSPECT I/U INSPECT I/U Remote control: Keeps flashing Stays OFF Indoor (When 1 or 2 remote controls are connected) 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control connected? ⑴，...
Page 77 '13 • PAC-SM-195 Green Content Error code INSPECT I/U INSPECT I/U Remote control: Keeps flashing Stays OFF Indoor (Connection of 3 units or more remote control) 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less. 3 units of remote control connected? Does remote...
Page 78 '13 • PAC-SM-195 Green Error code Content Communication error at Remote control: WAIT initial operation (1/3) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control LCD displays “ ” 2 WAIT minutes after the power on.
Page 79 '13 • PAC-SM-195 Green Error code Content Communication error at Remote control: WAIT initial operation (2/3) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the fuse is blown, the method to inspect outdoor PCB before replacing the power From previous page supply fuse...
Page 80 '13 • PAC-SM-195 Green Error code Content Communication error at Remote control: WAIT initial operation (3/3) Indoor Keeps flashing Stays OFF 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure When the remote control display is extinguished after the power on. Remote control display is extinguished after the power on.
Page 81 '13 • PAC-SM-195 Green Content Error code Remote control Remote control: Keeps flashing Stays OFF Indoor communication circuit error 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Malfunction by noise Is it possible to Check peripheral reset normally by the environment.
Page 82 '13 • PAC-SM-195 Green Content Error code Communication error during operation Remote control: Keeps flashing 2-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Note (1) Inspect faulty connections (disconnection, looseness) on the outdoor unit terminal block. Is the connection of signal Repair signal wires.
Page 83 '13 • PAC-SM-195 Green Content Error code Indoor heat exchanger Remote control: temperature thermistor anomaly Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of indoor heat Correct. ➞ Insert connector exchanger temperature thermistor securely.
Page 84 '13 • PAC-SM-195 Green Content Error code Return air temperature Remote control: thermistor anomaly Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of return Correct. ➞ Connect air temperature thermistor connector. connector OK? 2.
Page 85 '13 • PAC-SM-195 Green Content Error code Heating overload operation Remote control: Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the air filter clogged? Wash. 2. Error detection method Is the Defective indoor heat indoor heat exchanger exchanger temperature temperature thermistor...
Page 86 '13 • PAC-SM-195 Green Content Error code Drain trouble Remote control: (FDT, FDU, FDUM series) Indoor Keeps flashing 1-time flash 5. Troubleshooting 1. Applicable model FDT, FDU, FDUM series only Diagnosis Countermeasure Check the error data in the remote control. Is there any overflow? Is DC 12V at CNI connector.
Page 87 '13 • PAC-SM-195 Excessive number of connected Green Content Error code indoor units (more than 17 units) Remote control: Keeps flashing Stays OFF Indoor by controlling with one remoto control 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Aren't more than 17 Defective remote control indoor units connected to one ➞...
Page 88 '13 • PAC-SM-195 Green Content Error code Address setting error of Remote control: Indoor indoor units Keeps flashing Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E11 occurs Is “Master IU address set” function of remote 2. Error detection method control used? IU address has been set using the “Master IU address set”...
Page 89 '13 • PAC-SM-195 Green Content Error code Communication error Remote control: Indoor between master and slave indoor units Keeps flashing 3-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is it OK the unit address setting for master Correct unit address setting.
Page 90 '13 • PAC-SM-195 Green Content Error code Indoor fan motor anomaly Remote control: Keeps flashing 1(2)-time flash (FDT, FDU, FDUM, FDF series) Indoor Note(1) Value in ( ) is for the FDU, FDUM series FMI2 only. 5. Troubleshooting 1. Applicable model FDT, FDU, FDUM, FDF series Diagnosis Countermeasure...
Page 91 '13 • PAC-SM-195 Green Content Error code Address setting error of Remote control: Indoor master and slave indoor units Keeps flashing 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E18 occurs Is “Master IU address set” function of remote 2.
Page 92 '13 • PAC-SM-195 Green Content Error code Indoor unit operation check Remote control: Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Defective indoor control Is SW7-1 PCB (Defective SW7) on the indoor control ➞...
Page 93 '13 • PAC-SM-195 Green Content Error code Indoor fan motor rotation speed Remote control: Keeps flashing 1(2)-time flash anomaly (FDT, FDU, FDUM, FDF series) Indoor Note(1) Value in ( ) is for the FDU, FDUM series FMI2 only. 5. Troubleshooting 1.
Page 94 '13 • PAC-SM-195 Green Content Error code Defective panel switch Remote control: operation (FDT series) Keeps flashing 1-time flash Indoor 5. Troubleshooting 1. Applicable model FDT series only Diagnosis Countermeasure Reset the error and close Is grill opened? the grill. Does matter improve if panel 2.
Page 95 '13 • PAC-SM-195 Green Content Error code Remote control Remote control: temperature thermistor anomaly Keeps flashing Stays OFF Indoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure 2. Error detection method Is the remote Correct. control temperature thermistor Is the remote connected properly? control temperature thermistor Detection of anomalously low...
Page 96 '13 • PAC-SM-195 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Cooling overload operation Outdoor 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature Are normal sensor, refer to E37.
Page 97 '13 • PAC-SM-195 Green Error code Content Discharge pipe temperature error Indoor Keeps flashing Stays OFF Remote control: Outdoor 5-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of discharge Are the pipe temperature, refer to E39. characteristics of Replace discharge pipe discharge pipe temperature...
Page 98 '13 • PAC-SM-195 Green Error code Content Outdoor heat exchanger Indoor Keeps flashing Stays OFF Remote control: temperature sensor anomaly Outdoor 8-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the outdoor heat exchanger temperature Correct connector. sensor connector connected properly?
Page 99 '13 • PAC-SM-195 Green Error code Content Outdoor air temperature Indoor Keeps flashing Stays OFF Remote control: sensor anomaly Outdoor 8-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the outdoor air Correct connector. temperature sensor connector connected properly? For the characteristics of outdoor air temperature sensor, see the following graph.
Page 100 '13 • PAC-SM-195 Green Error code Content Discharge pipe Indoor Keeps flashing Stays OFF Remote control: temperature sensor anomaly Outdoor 8-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the discharge pipe temperature sensor Correct connector. connector connected properly? 2.
Page 101 '13 • PAC-SM-195 Green Error code Content Service valve (gas side) closing operation Remote control: Indoor Keeps flashing Stays OFF Outdoor 4-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are the Open the valve. service valve (gas side) opened? 2.
Page 102 '13 • PAC-SM-195 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Current cut (1/2) Outdoor 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Power supply Check power supply. voltage OK? 2. Error detection method Are the Open the valves.
Page 103 '13 • PAC-SM-195 Green Error code Content Current cut (2/2) Remote control: Indoor Keeps flashing Stays OFF Outdoor 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Is the checked result of power Defective outdoor main transistor module PCB ➞...
Page 104 '13 • PAC-SM-195 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Active filter voltage error Outdoor 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Restore normal condition. Is the power supply normal? 2. Error detection method Is voltage Restore normal condition.
Page 105 '13 • PAC-SM-195 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Outdoor fan motor anomaly Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign material intervene Remove foreign matter. in rotational area of fan propeller? 2.
Page 106 '13 • PAC-SM-195 Green Green Error code Error code Content Content Power transistor anomaly Remote controller: E51 Remote control: Indoor Keeps flashing Stays OFF Power transistor error Keeps flashing Stays Off Indoor Outdoor 1-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 107 '13 • PAC-SM-195 Green Error code Content Insufficient refrigerant amount Indoor Keeps flashing Stays OFF Remote control: or detection of service valve closure Outdoor 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Open fully. service valve fully opened? Are the connections of indoor...
Page 108 '13 • PAC-SM-195 Green Green Error code Error code Content Content Current safe stop Keeps flashing Stays Off Indoor Current safe stop Remote controller: E58 Remote control: Indoor Keeps flashing Stays OFF (Model SRC40 - 60) 3 time flash Outdoor Outdoor ―...
Page 109 '13 • PAC-SM-195 Green Error code Content Compressor startup failure Indoor Keeps flashing Stays OFF Remote control: Outdoor 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Disconnect the outdoor fan motor Compressor does not start at all. connector and try to startup Neither noise nor vibration cannot be heard Does...
Page 110 '13 • PAC-SM-195 Green Error code Content Compressor rotor lock error Indoor Keeps flashing Stays OFF Remote control: Outdoor 7-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the Check and correct the power supply voltage power supply voltage Reset the power supply and restart operation.
Page 111 '09•SRK-DB-087D '13 • PAC-SM-195 Reference Reference 2.2 SRK series 2 TROUBLESHOOTING PROCEDURES FOR ELECTRICAL EQUIPMENT This chapter has described about an indoor unit. Look at 2.1 chapters about the outdoor unit. (1) Cautions (2) Items to check before troubleshooting (3) Troubleshooting procedure (If the air conditioner does not run at all) Important wireless proced-...
Page 112 '09•SRK-DB-087D '13 • PAC-SM-195 (4) Troubleshooting procedure (If the air conditioner runs) 113 ~ 119. 113 ~ 119.
Page 113 '13 • PAC-SM-195 Self-diagnosis table When this air conditioner performs an emergency stop, the reason why the emergency stop occurred is displayed by the flashing of display lights. If the air conditioner is operated using the remote control 3 minutes or more after the emergency stop, the trouble display stops and the air conditioner resumes operation.
Page 114 '09•SRK-DB-087D '13 • PAC-SM-195 (6) Service mode (Trouble mode access function) (a) Explanation of terms Explanation Term The service mode is the mode where service data are displayed by flashing of the display lights Service mode when the operations in item (b) below are performed with the indoor controller. These are the contents of error displays and protective stops which occurred in the past in the air conditioner system.
Page 115 '09•SRK-DB-087D '13 • PAC-SM-195 4-time flash 2-time flash. wireless mode mode Self-diagnosis data wireless mode mode Wireless remote control setting Contents of output data Operation mode Fan speed mode wireless Indicates the number of Wireless remote control setting occasions previous to the present Temperature setting the error display data are from.
Page 116 '09•SRK-DB-087D '13 • PAC-SM-195 (Example) Wireless remote control setting Operation Displayed data Fan speed Temperature mode mode setting Displays the reason for the stop (error code) the previous time an error was displayed. 21ºC Displays the reason for the stop (error code) 2 times previous when an error was displayed. 22ºC Cooling 23ºC...
Page 117 '13 • PAC-SM-195 Error code, stop code table (Assignment of error codes and stop codes is done in common for all models.) Number of flashes when in service mode Stop coad Error Auto TIMER Error content Cause Occurrence conditions display recovery light light...
Page 118 '09•SRK-DB-087D '13 • PAC-SM-195 4-time flash 2-time flash. (d) Operation mode, Fan speed mode information tables (ii) mode mode Display pattern when Display pattern when Fan speed in service mode in service mode Operation mode mode when when there is an there is an RUN light TIMER light...
Page 119 '09•SRK-DB-087D '13 • PAC-SM-195 (e) Temperatare information Room temperature sensor, indoor heat exchanger sensor, outdoor air temperature sensor, outdoor heat exchanger sensor temperature Units: °C TIMER light (1’s digit) RUN light (10’s digit) Buzzer sound (sounds for 0.1 second) (does not sound) temperature information Sensor value displayed when the error code is normal Sensor name...
Page 120 '09•SRK-DB-087D '13 • PAC-SM-195 (ii) Discharge pipe sensor temperature Units: °C TIMER light (1’s digit) RUN light (10’s digit) Buzzer sound (sounds for 0.1 second) (does not sound) temperature information Sensor value displayed when the error code is normal -64ºC data 0.1 sec.
Page 121 '09•SRK-DB-087D '13 • PAC-SM-195 Service data record form Wireless r Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless 114)
Page 122 '09•SRK-DB-087D '13 • PAC-SM-195 (7) Inspection procedures corresponding to detail of trouble Sensor error Broken sensor wire, connector poor connection Sensor temperature characteristics (Room Discharge pipe sensor temperature characteristics temp., indoor heat exchanger temp., out- door heat exchanger temp., outdoor air temp.) - 10 Temperature (˚C)
Page 123 '13 • PAC-SM-195 Error of signal transmission Wiring error including power cable, defective indoor/ outdoor PCB ② ③ ② ③ ① ②...
Page 124 '13 • PAC-SM-195 (8) Phenomenon observed after shortcircuit, wire breakage on sensor Phenomenon Operation Sensor mode Shortcircuit Disconnected wire Cooling Room temperature sensor Heating Freezing cycle system protection trips and stops the compressor. Cooling Heat exchanger sensor Heating Cooling Humidity sensor Heating '09•SRK-DB-087D ■...
Page 125 Replace indoor PCB. blocks ② and ③ oscillating between DC 0 and 20V? '13 • PAC-SM-195 Indoor electrical components are normal. (b) Indoor unit fan motor check procedure 1) Indoor PCB output check ① ④ ⑤ DC several V (–) DC 308~336V (4~6 V) Measuring...
Page 126 Operation SW ON Measure in this section '13 • PAC-SM-195 (10) How to make sure of wireless remote control wireless wireless wireless wireless wireless wireless Simplified check methd of wireless remote control It is normal if the signal transmission section of the wireless remote control emits a whitish light at each transmission on the monitor of digital camera or camera of mobile phone.
Page 127 （Remote operation input: volt-free contact） CNB～Z Connector Remote control Drain motor Control PCB Ｃ F1～3 Fuse CNTA Fan motor t° t° ThI-R1 Float switch LED・2 LED・3 ※1 Reactor t° ThI-R2 YE／GN LED・2 CNWR2 CNW0 Power PCB Indication lamp Connecting line between (Green-Normal operation) indoor unit and outdoor unit F1(3.15A)
Page 128 CFI1,2 Capacitor for FMI ThI-R1 ThI-R2 ThI-R3 ThI-A Connector t° t° t° t° CNB～Z Fuse 220ｰ240V FMI1,2 Fan motor(with thermistor) LED・2 Indication lamp(Green-Normal operation) Connecting line between Prepare on site 1 2 3 4 5 CNW1 CNW2 indoor unit and outdoor unit CNJ WH LED・3 Indication lamp(Red-Inspection)
Page 129 CNB～Z Connector Drain motor F1,4 Fuse Fan motor Control PCB Float switch t° Reactor Remote control LED・2 Indication lamp（Green-Normal operation） t° LED・3 Indication lamp（Red-Inspection） t° Remote control communication address t° Plural units Master／Slave setting LED・2 LED・3 Model capacity setting Power PCB SW7-1 Operation check, Drain motor test run t°...
Page 130 CNB～Z Connector Drain motor F1,3,4 Fuse Fan motor（with thermostat） Float switch Remote control Control PCB Reactor t° LED・2 Indication lamp（Green-Normal operation） t° LED・3 Indication lamp（Red-Inspection） t° LED・2 LED・3 Remote control communication address Power PCB CNW0 t° Connecting line between Plural units Master／Slave setting YE／GN F1（6.3A）...
Page 131 CNB～Z Connector Drain motor F1,4 Fuse FMI2 Fan motor(with thermostat) Float switch Remote control Control PCB LED・2 Indication lamp(Green-Normal operation) ThI-R1 t° LED・3 Indication lamp(Red-Inspection) t° Remote control communication address ThI-R2 LED・2 LED・3 t° Plural units Master／Slave setting CNW0 Power PCB ThI-R3 t°...
Page 132 CNB～Z Connector Drain motor F1,3,4 Fuse FMI1,2 Fan motor(with thermostat) Float switch Remote control Control PCB Reactor ThI-R1 t° LED・2 Indication lamp(Green-Normal operation) t° LED・3 Indication lamp(Red-Inspection) ThI-R2 LED・2 LED・3 t° Remote control communication address CNW0 Power PCB ThI-R2 t° Plural units Master／Slave setting Connecting line between YE／GN...
Page 133 Color Marks Mark Color Mark Color Mark Color Connector Plural units Master／Slave setting CNB～Z Black GR Gray White F200～203 Fuse Model capacity setting Orange Fan motor Operation check,Drain motor test run Blue Yellow SW7- 1 Reactor Terminal block(Power source) BR Brown YE／GN Yellow／Green (□...
Page 134 Item Description CNE-CNX2 Connector Fan motor DISPLAY Flap motor WIRELESS RECEIVER CNX1 Louver motor BACK-UP SW Room temp. sensor PRINTED CIRCUIT Heat exch. sensor BOARD Humidity sensor Diode stack CNX2 Fuse Terminal block Varistor INTERFACE KIT SC-BIKN-E Color Marks Mark Color Y／G Black...
Page 135 POWER SOURCE ～ 220/230/240V 50Hz ～ 220V 60Hz PWB ASSY （MAIN） PWB ASSY （SUB） TERMINAL POWER BLOCK 1 TRANSISTOR FUSE （BK）（BK）（RD） 250V 20A （BK）～＋ 250V 20A ACTIVE 250V 20A （WH）（WH） FILTER （WH）（WH） 3～ UNIT ～...
Page 136 POWER SOURCE ～220/230/240V 50Hz PWB ASSY （MAIN） PWB ASSY （SUB） TERMINAL POWER BLOCK TRANSISTOR FUSE （BK）（BK）（RD） 250V 20A （BK） ACTIVE 250V 20A ～＋ 250V 20A （WH）（WH） FILTER （WH）（WH） 3～ UNIT ～－（BR）（BK）（YG）（WH）...
Page 137 '13 • PAC-SM-195 4. PIPING SYSTEM (1) FDT, FDEN, FDU, FDUM, FDF series Model 71 Indoor unit Outdoor unit Heating cycle Cooling cycle Service valve Outdoor air temp. sensor Gas pipe (Flare connecting) (φ12.7) Muffler (TH2) Discharge pipe Thermistor temp. sensor (Heat Reducer (TH3)
Page 138 '13 • PAC-SM-195 (2) SRK series Model 71 Indoor unit Outdoor unit Heating cycle Cooling cycle Service valve Outdoor air temp. sensor Gas pipe (Flare connecting) (φ12.7) Muffler (TH2) Discharge pipe temp. sensor Humidity Reducer (TH3) sensor Check joint (Th3) (Accessory) Heat exchanger...
Page 139 '13 • PAC-SM-195 5. APPLICATION DATA PJF012D016C INSTALLATION MANUAL FOR CEILING CASSETTE 5.1 Installation of indoor unit PJF012D016C -4WAY- TYPE (FDT) (1) Ceiling cassette-4way type (FDT) ①B This manual is for the installation of an indoor unit. This manual is for the installation of an indoor unit. ●Inst For electrical wiring work (Indoor), refer to page 170.
Page 140 '13 • PAC-SM-195 ①Before installation ③Preparation before installation ●Install correctly according to the installation manual. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ●Conﬁrm the following points: 　○For grid ceiling 　○Unit type/Power supply speciﬁcation ○Pipes/Wires/Small parts ○Accessory items 　　When suspension bolt length is over 500mm, or the gap between the ceiling and roof is over 700mm, apply earthquake resistant brace to the bolt.
Page 141 '13 • PAC-SM-195 ⑤Refrigerant pipe (continued) ④Installation of indoor unit (continued) ⑥D 6. Make sure to install the indoor unit horizontally. Conﬁrm the Caution: Strap (Accessory) Pipe cover (Accessory) levelness of the indoor unit with a level gauge or transpar- Refrigerating machine oil should not be applied to the threads of union or external surface of ﬂare.
Page 142 '13 • PAC-SM-195 ⑦ ⑦ ⑥ ⑥ ● ● ● ● ● ● ● ● ⑧ ⑧ ● ● ● ● ● ● ● ● ① ① ② ② ⑨ ⑨ ● ● ② ② ① ① ○ ○ ⑩ ⑩...
Page 143 '13 • PAC-SM-195 PJF012D003C...
Page 144 '13 • PAC-SM-195 ⑧ Attaching a corner panel 1. To avoid unexpected falling of the corner panel, put the strap onto the corner panel’s pin with turning the strap up. 2. Then hang the strap of a corner panel onto the decorative panel’s pin. 3.
Page 145 '13 • PAC-SM-195 OUTDOOR AIR (OA) INTAKE FOR FDT If it is required to intake OA through FDT unit, make sure to check following points carefully in order to conform to the requirement of customer. If the OA intake volume through FDT unit is not satisfied with the required ventilation air volume, consider to install an indepemdent ventilation system.
Page 146 '13 • PAC-SM-195 PFA012D621B (2) Ceiling suspended type (FDEN) This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to page 170. For remote control installation, refer to page 182. For electrical wiring work (Outdoor) and refrigerant pipe work ●...
Page 147 '12 • PAC-T-174 '13 • PAC-SM-195 ① Before installation ③ Preparation before installation (continued) Install correctly according to the installation manual. Pitch of suspension bolts and pipe position Location of pipe outlets Top cover Pitch of suspension bolts Drain line (left) Drain line (rear left)
Page 148 '13 • PAC-SM-195 ⑤ Installation of indoor unit ⑥ Refrigerant pipe (continued) Work procedure The pipe can be connected from three different directions. (back, reight, top) Paper pattern 1. Select the suspension bolt locations and the pipe hole location. When the pipe is routed through the back. (1) Use enclosed paper pattern as a reference, and If the bracket is removed, piping work will become easy.
Page 149 '13 • PAC-SM-195 ⑧ Wiring-out position and wiring connection ⑪ How to set the airﬂow direction Electrical installation work must be performed according to the installation It is possible to change the movable range of the louver on the air outlet from manual by an electrical installation service provider quali ed by a power the wired remote control.
Page 150 '13 • PAC-SM-195 PJG012D004 DUCT CONNECTED HIGH STATIC PRESSURE AIR (3) Duct connected-High static pressure type (FDU) PJG012D004 CONDITIONING UNIT INSTALLATION MANUAL (a) Indoor unit ○This model blow type a This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to page 174.
Page 151 '13 • PAC-SM-195 2D004 ○This model is middle static ducted type air conditioning unit. Therefore, do not use this model for direct ③Preparation before installation blow type air conditioning unit. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ①Before installation 　○For grid ceiling 　　When the suspension bolt length is over 500mm, or the gap between the ceiling and roof is...
Page 152 '13 • PAC-SM-195 ⑤ ⑦ ⑤ ① ① ● ● ○ ● ② ● ● ● ● ● ○ ● ● ● ② ● ○ ③ ● ● ● ○ ● ⑥ ● 　　・　・ ● ● ④ 　 ●...
Page 153 '13 • PAC-SM-195 ⑦ ⑦ ● ● ● ● ● ● ● ● ● ● ※ ● ● ● ● ● ● ● ※ PJG012D004...
Page 154 '13 • PAC-SM-195 ⑧Wiring-out position and wiring connection ⑩Check list after installation ●Check the following items after all installation work completed. ● Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualiﬁed by a power provider of the country, and be Check if Expected trouble Check...
Page 155 '13 • PAC-SM-195 (b) Replacement procedure of the fan unit Notes(1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary to replace. (2) For the maintenance space, refer to page 150. (i) Model FDU71VF1 1) Remove the control box and the side panel, and remove 2) Take out the fan unit located at the near side in the arrow...
Page 156 '13 • PAC-SM-195 (4) Duct connected-Low / Middle static pressure type (FDUM) (a) Indoor unit PJG012D008B DUCT CONNECTED MIDDLE STATIC PRESSURE AIR CONDITIONING UNIT INSTALLATION MANUAL ○This mod blow type This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to page 170.
Page 157 '13 • PAC-SM-195 008B ○This model is middle static ducted type air conditioning unit. Therefore, do not use this model for direct ③Preparation before installation blow type air conditioning unit. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. ①Before installation 　○For grid ceiling 　　When the suspension bolt length is over 500mm, or the gap between the ceiling and roof is...
Page 158 '13 • PAC-SM-195 ⑤ ⑦ ⑤ ① ① ● ● ○ ● ② ● ● ● ● ○ ● ● ● ② ● ○ ③ ● ● ● ● ○ ● ⑥ ● ● ● 　　・　・ ● 　 ●...
Page 159 '13 • PAC-SM-195 ⑦ ⑦ ● ● ● ● ● ● ● ● ● ● ※ ● ● ● ● ● ● ● ※ PJG012D008B...
Page 160 '13 • PAC-SM-195 ⑧Wiring-out position and wiring connection ⑨External static pressure setting (continued) ● Electrical installation work must be performed according to the installation manual by an Indoor unit fan will run automatically and recognize E.S.P. by itself. electrical installation service provider qualiﬁed by a power provider of the country, and be The operation for automatic E.S.P.
Page 161 '13 • PAC-SM-195 (b) Replacement procedure of the fan unit Notes(1) The unit is a heavy item. It must be supported securely and handled with care not to drop when it is necessary to replace. (2) For the maintenance space, refer to page 156. (i) Model FDUM71VF1 3) Remove the screws marked in the circles (2 places) from the 1) Remove the control box and the side panel, and remove the...
Page 162 '13 • PAC-SM-195 PGA012D404 PGA012D404 (5) Floor standing type (FDF) ①Be CAUTION This manual is for the installation of an indoor unit. For electrical wiring work (Indoor), refer to page 178. For remote control installation, refer to page 182. ● Perform earth wiring surely. For electrical wiring work (Outdoor) and refrigerant pipe work installation for outdoor unit, refer to Page ○ Instal Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 163 '13 • PAC-SM-195 2D404 ①Before installation ③Carrying-in and installation of the unit (Continued) ATTENTION: Model and power supply speciﬁcation • Be sure to ﬁx the unit with L-ﬁttings and the fall-prevention ﬁtting. ○ Install the unit properly ・Since the unit is tall, secure the unit no sooner than setting it in place. according to this Tapping screw instruction manual.
Page 164 '13 • PAC-SM-195 ④Refrigerant piping ④Refrigerant piping (Continued) ⑤Drain p ◆ Pipe and wire extracting position WARNI Caution ●Use the new refrigerant pipe. 　When re-using the existing pipe system for R22 or R407C, pay attention to the following items. Gas pipe 　・Change the flare nuts with the attached ones (JIS category 2), and reprocess the flare Liquid pipe parts.
Page 165 '13 • PAC-SM-195 ⑤Drain pipe ⑥Wire extracting position and wire connecton WARNING Control box position and power cable connection ●Electric work must be made by qualified electricians according to the “Engineering standards concerning electric equipment”, “Extension wiring regulations” and the electric wiring work manual.
Page 166 WALL TYPE AIR CONDITIONER RKW012A411 R410A REFRIGERANT USED (6) Wall mounted type (SRK) WARNING INSTALLATION MANUAL FOR INDOOR UNIT • Do not vent R410A into the atmosphere : R410A is a fluorinated • Do not perform any change of protective device itself or its setup greenhouse gas, covered by the Kyoto Protocol with Groval condition.
Page 167 seriously affect the user’s health and safety. This can also cause the insulation and over-current etc. • Locations where an equipment affected by high harmonics is placed (TV • Do not touch any refrigerant pipes with your hands when the corrosion of the indoor unit and a resultant unit failure or refrigerant leak.
Page 168 RKW012A411 Fixing of indoor unit Since this air conditioner has been designed to collect dew drops on the rear Gutter surface to the drain pan, do not attach the power cord above the gutter. • How to remove the indoor unit from the installation board Latch (2 locations) Installation Steps Wall...
Page 169 ○Installing shown in right illustration and pull it toward you. ① Remove the air filter. ○ To install, insert the panel arm into the slot on the ② Cover the unit with the front panel. Approx. 80 front panel from the position shown in right Front panel To remove / To install ③ ...
Page 170 '13 • PAC-SM-195 (7) Effective range of cool/hot wind (Reference) (a) FDT series Guideline for ceiling height Model Fan Speed Setting FDT71VF1 FDT100VF1 3.0m 3.2m 3.8m 4.3m Notes (1) If the ceiling height is over 3m, please consider to add circulators. This table shows reference values in case of four outlet.
Page 171 '13 • PAC-SM-195 5.2 Electric wiring work installation PSB012D999 (1) FDT, FDEN, FDUM, series PSBO12D999 ELECTRIC WIRING WORK INSTRUCTION Electrical Wiring Connection ②Remot Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ●...
Page 172 '13 • PAC-SM-195 D999 ②Remote Control, Wiring and functions ③ Operation and conﬁrmation from remote control al power ● DO NOT install it on the following places Operation from RC-EX1A Operation from RC-E5 ollowing ①Places exposed to direct sunlight 1 Check the number of units connected in the remote control system. ②Places near heat devices It checks sub units of twin, triple or W-twin connection.
Page 173 '13 • PAC-SM-195 ⑥ Operation and setting from remote control ⑥ O A: Refer to the instruction manual for RC-EX series. B: Refer to the installation manual for RC-EX series. C: Loading a utility software vie Internet 11． A ○: Nearly same function setting and operations are possible. △: Similar function setting and operations are possible.
Page 174 '13 • PAC-SM-195 ⑥ Operation and setting from remote control (continued) RC-EX Setting & display item Description RC-E5 series Ａ 11． Administrator settings [Administrator password] ・ Enable/Disable setting of operation can be set. [On/Off] [Change set temp.] [Change operation mode] [Change air ﬂow direction] 1 Enable/Disable setting [Individual ﬂap control setting][Fan speed] [High power operation] [Energy-saving operation] [Timer settings] [Weekly timer setting] Ａ ...
Page 175 '13 • PAC-SM-195 PSB012D994 PSBO12D994 ELECTRIC WIRING WORK INSTRUCTION (2) FDU series Electrical Wiring Connection ②Remote Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ● Use three-core cable as wiring between indoor and outdoor unit. As for detail, refer to "INSTAL- ●...
Page 176 '13 • PAC-SM-195 2D994 ②Remote Control, Wiring and functions ③Trial operation "INSTAL- ● DO NOT install it on the following places The method of trial cooling operation ①Places exposed to direct sunlight ②Places near heat devices Operate the remote control unit as follows. ucting of 1.
Page 177 '13 • PAC-SM-195 ④Function Setting by Remote Control ⑤Co The functional setting Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically ● deﬁned as following table. The initial function setting for typical using is performed automatically for a remote control unit and an indoor unit by the door unit connected, when Function No.
Page 178 '13 • PAC-SM-195 ⑤Control mode switching ected indoor and outdoor unit, and is automatically The control content of indoor units can be switched in following way. ( is the default setting) ● Switch No. Control Content Model RUN" mode selectable indoor unit. Indoor unit address (0-Fh) unit without "Auto-RUN"...
Page 179 '13 • PAC-SM-195 PGA012D405 PGAO12D405 (3) FDF series Electrical Wiring Connection ②Wi Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ● Use three-core cable as wiring between indoor and outdoor unit. As for detail, refer to "INSTALLATION MANUAL" of ①...
Page 180 '13 • PAC-SM-195 12D405 ②Wiring for the remote control (Continued) ③Function Setting by Remote Control (Continued) MANUAL" of ① Open the remote control cover and remove the screw without fail. Press (SET) button. ③ The current setting of selected function is indicated. (For example) "STANDARD"...
Page 181 '13 • PAC-SM-195 ③Function Setting by Remote Control (Continued) ④Trial ope Checking [Flow of function setting] It is possible to ﬁnish above setting on the way, and unﬁnished change of setting is unavailable. Start : While indoor unit do not operate, press “ ”...
Page 182 '13 • PAC-SM-195 ④Trial operation (Continued) ⑦Troubleshooting The operation data is saved when the situation of abnormal operation happen, and the data Checking operation data can be conﬁrmed by remote control. Operation data can be checked with remote Number Data Item control unit operation.
Page 183 '13 • PAC-SM-195 5.3 Installation of wired remote control (option) Installation manual for wired remote controller PJA012D730 Connect the remote control (1) Model RC-E5 terminal block. Connect the terminal of rem Read together with indoor unit's installation manual. with the terminal of indoor u WARNING (X and Y are no polarity) Wiring route is as shown in...
Page 184 '13 • PAC-SM-195 emote controller Connect the remote control cord to the Sheath Sheath The range of temperature setting Upper Upper terminal block. When shipped, the range of set tempe Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F)
Page 185 '13 • PAC-SM-195 PJ A0 12 D73 0 Sheath Sheath The range of temperature setting Upper When shipped, the range of set temperature differs depending on the operation mode as below. pper case Upper case Board Heating : 16 ~ 30˚C (55 ~ 86˚F) Except heating (cooling, fan, dry, automatic) : 18 ~ 30˚C (62 ~ 86˚F) Upper limit and lower limit of set temperature can be changed with remote control.
Page 186 '13 • PAC-SM-195 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote control and indoor unit are connected. As long as they are used in a typical manner, there wiil be no need to change the initial settings. If you would like to change the initial setting marked “...
Page 187 '13 • PAC-SM-195 Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Item Function No. Default Model "Auto-RUN" mode selectable indoor unit. Remote control function02 Indoor unit without "Auto-RUN" mode Indoor unit with two or three step of air flow setting Remote control function06...
Page 188 '13 • PAC-SM-195 PJA0 12 D73 0 nd is automatically defined as following table. Operation message How to set function Function description: ectable indoor unit. Function No. Stop air-conditioner and press (SET) (MODE) setting description: uto-RUN" mode buttons at the same time for over three seconds, and the three step of air flow setting "FUNCTION SET "...
Page 189 '13 • PAC-SM-195 (2) Model RC-EX1A PJZ012D077 eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
Page 190 '13 • PAC-SM-195 1 . Safety Precautions 1 . Safety precautions This installation manual describes the installation methods and precautions related to the remote control. Use this manual together with the user’s manuals for the indoor unit, outdoor unit and other optional equipment. Please read this manual carefully before starting the installation work to install the unit properly.
Page 191 '13 • PAC-SM-195 When installing the unit at a hospital, telecommunication facility, etc., take measures to suppress electric noises. It could cause malfunction or break-down due to hazardous effects on the inverter, private power generator, high frequency medical equipment, radio communication equipment, etc. The influences transmitted from the remote control to medical or communication equipment could disrupt medical activities, video broadcasting or cause noise interference.
Page 192 '13 • PAC-SM-195 2 . Accessories & Prepare on site 2 . Accessories & precare on site R/C main unit, wood screw (ø3.5 x 16) 2 pcs Accessories User’s Manual, Installation Manual Parts procured at site When the cable length is longer than Item name Q’ty Remark...
Page 193 '13 • PAC-SM-195 Request Be sure not to install R/C at a place where temperatures around the installation surface of R/C may differ largely from actual room temperature. Difference between detected temperature and actual room temperature could cause troubles. The correction for detected temperature by the R/C cannot offset such temperature difference because it corrects the detected temperatures itself.
Page 194 '13 • PAC-SM-195 ④ W hen wires are passed through the bottom case, ﬁx the bottom case at 2 places on the switch box. Upper side Upper side Switch box Switch box for 1 pc for 2 pcs Cut out the thin wall part at the screw mounting Bottom case...
Page 195 '13 • PAC-SM-195 If the hole is cut too large, moisture, dust or insects may enter. Seal gaps with putty or the like. ④ Fix the bottom R/C case on a ﬂat surface with wood screws. ⑤ I n case of the upper center, p a s s t h e w i r i n g b e h i n d 120mm...
Page 196 '13 • PAC-SM-195 Note: Connection to personal computer It can be set from a personal computer via the USB port (mini-B). Connect after removing the cover for USB port of upper case. Replace the cover after use. If dust, insect, etc. enters, it could cause electric shocks or breakdown.
Page 197 5.4 Installation of outdoor unit Model FDC71VNP page 138. ● ● ● 〇〇〇〇〇〇〇〇〇〇〇〇〇...
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Page 200 ● ● ● ● ● ● ＜＞ ● ●   ● [Except SRK] ● ● [SRK]   ● ●   ● ● ● ● Ａー． ● ● ．...
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Page 204 PCA012D058A Check before installation work • Model name and power source INSTALLATION MANUAL FOR OUTDOOR UNIT • Refrigerant piping length Model FDC90VNP R410A REFRIGERANT USED • Piping, wiring and miscellaneous small parts Slee • Indoor unit installation manual Incl Accessories for outdoor unit Q’ty •...
Page 205 • Ensure that no air enters in the refrigerant circuit when the unit is • Do not bundling, winding or processing for the power cord. Or, do not • Do not perform any change of protective device itself or its setup condition. 4) Caution about selection of installa installed and removed.
Page 206 Inclination plate Accessories for outdoor unit Q’ty Tape measure Charge hose (Designed speciﬁcally for R410A) Putty ts, power Hammer Flaring tool set (Designed speciﬁcally for R410A) Grommet (Heat pump type only) Drain hose (extension hose) Gas leak detector (Designed speciﬁcally for R410A) Spanner wrench Drain elbow (Heat pump type only) Piping cover...
Page 207 7) To run the unit for a cooling operation, [Refer to Drain piping work.] when the outdoor temperature is –5°C or lower. ● Attached heater on a base plate on site, if there is possibility to freeze drain water. In case that the product has a corrective drainage system, the drainage paths should have suitable ● ...
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Page 211 Commissioning check sheet of FDC71VNP and FDC90VNP Ver.: 1.3 Date:30/Sep/2013 1. Project information 4. Operation data Project/Site reference： 4-1. Error/Protection ✓：Good, △：Required detail investigation Address： Item Notes Result Installer： (1) Error counter No error counter was accumulated Commissioning date： Inspected by： (2) Protection control Which protection control was activated? 4-2.
Page 212 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

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