Page 1 SERVICE MANUAL MICRO INVERTER PACKAGED AIR-CONDITIONERS (Split system, air to air heat pump type) CEILING CASSETTE-4WAY TYPE CEILING CASSETTE-4WAY COMPACT TYPE Twin type Double twin type FDT200VSAPVF1 FDTC200VSADVF 250VSAPVF 250VSADVF Triple type DUCT CONNECTED-HIGT STATIC PRESSURE TYPE FDT200VSATVF1 Single type...
Page 2 '14 • PAC-SM-215 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 ........ 10 (1) Auto operation ..................10 (2) Operations of functional items during cooling/heating ......
Page 3 '14 • PAC-SM-215 1.4 Operation control function by the outdoor control ....... 26 (1) Determination of comressor speed (frequency) ........26 (2) Compressor start control ................26 (3) Compressor soft start control ..............27 (4) Outdoor unit fan control ................27 (5) Defrosting ....................29 (6) Protective control/anomalous stop control by compressor s number of revolutions ..30 (7) Silent mode...
Page 4 (7) Effective range of cool/hot wind (Reference) ........157 5.2 Electric wiring work installation ..............158 (1) FDT, FDTC, FDEN, FDU, FDUM series ..........158 '14 • PAC-SM-215 (2) FDF series ....................162 5.3 Installation of wired remote control (option) ..........166 5.4 Installation of outdoor unit ..............180 5.5 Method for connecting the accessory pipe ..........188 5.6 Instructions for branching pipe set (DIS-WA1,WB1,TA1,TB1)
Page 5 '14 • PAC-SM-215 1. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1.1 Remote control (1) Wired remote control 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 6 '14 • PAC-SM-215 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 '14 • PAC-SM-215 (2) Wireless remote control 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. Indicates the ON-TIMER setting time.
Page 8 '14 • PAC-SM-215 1.2 Operation control function by the wired remote control 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 9 '14 • PAC-SM-215 • 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 10 '14 • PAC-SM-215 Model RC-E5 (1) Switching sequence of the operation mode switches of remote control (2) CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power source reset. (3) Power failure compensation function (Electric power source failure) • This becomes effective if “Power failure compensation effective” is selected with the setting of remote control function. •...
Page 11 '14 • PAC-SM-215 1.3 Operation control function by the indoor control (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 12 '14 • PAC-SM-215 (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 13 '14 • PAC-SM-215 (4) Timer operation (a) RC-EX1A Sleep timer Set the time from the start to stop of operation. The time can be selected in the range from 0 to 40 minutes (in the unit of 0-minute). Note () Enable the “Sleep timer” setting from the remote control. If the setting is enabled, the timer operates at every time. (ii) Set OFF timer by hour Set the time to stop the unit after operation, in the range from to hours (in the unit of hour).
Page 14 '14 • PAC-SM-215 (5) Remote control display during the operation stop When the operation is stopped (the power source is turned ON), it displays preferentially the “Room temperature”, “Center/ Remote”, “Filter sign”, “Inspection” and “Timer operation”. (6) Hot start (Cold draft prevention at heating) (a) Operating conditions When either one of following conditions is met, the hot start control is performed. (i) From stop to heating operation (ii) From cooling to heating operation (iii) From heating thermostat OFF to ON...
Page 15 '14 • PAC-SM-215 (8) A uto swing control (a) RC-EX1A Louver control To operate the swing louver when the air conditioner is operating, press the “Direction” button on the TOP screen of remote control. The wind direction select screen will be displayed. To swing the louver, touch the “Auto swing” button. The lover will move up and down. To fix the swing louver at a position, touch one of [] - [4] buttons.
Page 16 '14 • PAC-SM-215 (9) 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 17 '14 • PAC-SM-215 (d) Fan control during cooling thermostat OFF (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 18 '14 • PAC-SM-215 (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 19 '14 • PAC-SM-215 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 20 '14 • PAC-SM-215 (18) Plural unit control – Control of 16 units group by one remote control Function One remote control switch can control a group of multiple number of unit (Max. 16 indoor units). “Operation mode” which is set by the remote control switch can operate or stop all units in the group one after another in the order of unit .
Page 21 '14 • PAC-SM-215 (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 22 '14 • PAC-SM-215 (i) 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 It is available to operate/stop by remote control or central control (ii) In case of “Pulse input” setting (Local setting) It is effective only when the input signal to CnT-6 or CnTA is changed OFF→ON, and at that time unit operation [ON/...
Page 23 '14 • PAC-SM-215 (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. ・ CnT ・ CnTA Option CnTA Blue Card key Blue Note (1) 　 C nTA function can be switch...
Page 24 '14 • PAC-SM-215 (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/ Operation( ) prohibition zone permission ( ※ ) Operation prohibition zone is determined by the OR judgment between CnT Operation prohibition zone and CnTA Operation prohibition zone.
Page 25 '14 • PAC-SM-215 (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 26 '14 • PAC-SM-215 (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 27 '14 • PAC-SM-215 1.4 Operation control function by the oudoor control (1) Determination of compressor speed (frequency) Required frequency Cooling/dehumidifying operation. Unit: rps Model Usual operation Outdoor air temperature ≦ 15°C or Max. required indoor return air temperature ≦ 20°C frequency Silent mode 80 (100) 70 (100) Min. required frequency Note(1) Value in ( ) are for the SW7-3 OFF.
Page 28 '14 • PAC-SM-215 (3) Compressor soft start control (a) Compressor protection start I [Control condition] Normally, the compressor operation frequency is raised in this start pattern. [Control contents] 1) Starts with the compressor’s target frequency at A rps. However, when the ambient air temperature (Tho-A) is 35°C or higher during cooling/ dehumidifying or the indoor return air temperature (ThI-A) is 25°C or higher during heating, it starts at C rps.
Page 29 '14 • PAC-SM-215 (b) Fan tap control during Cooling/Defumidifying operation Fan taps are selected depending on the outdoor unit heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A). • Silent mode only Note (1) It is detected by Tho-R1 or R2, whichever the higher. zone zone zone...
Page 30 '14 • PAC-SM-215 (e) Caution at the outdoor unit fan start control When the outdoor unit fan is running at 400min before operating the compressor, it may operate with the compressor only, without starting up the outdoor fan. This is normal. (f) Snow protection fan control Snow protection fan If the dip switch (SW3-2) on the outdoor unit control PCB is turned control OFF ON, the outdoor unit fan is operated for 30 seconds at 4 tap speed Snow protection fan...
Page 31 '14 • PAC-SM-215 (c) Switching of defrosting control with SW3-1 (i) If SW3-1 on the outdoor unit control PCB is turned to ON, it becomes easier to enter the defrosting operation. Use this when installing a unit at snowing regions. (ii) Control contents It allows entering the defrosting operation under the defrosting condition A when the cumulative heating operation time becomes 30 minutes.
Page 32 '14 • PAC-SM-215 (c) Heating high pressure protection (i) Protective control As the indoor unit heat exchanger temperature (ThI-R) exceeds the setting value, the compressor speed (frequency) is controlled to suppress the rise of high pressure. Control value A is updated to an optimum value automatically according to the operating conditions. Existing piping adaptation switch: SW5-1 Reduces compressor frequency Model...
Page 33 '14 • PAC-SM-215 (g) Over-current protection current safe controls I, II Detecting the outdoor unit inverter input (primary) current and the output (secondary) current, if the current values exceed setting values, the compressor speed (frequency) is controlled to protect the inverter. Reduces frequency Cooling Heating at each minute. Model Control Reset...
Page 34 '14 • PAC-SM-215 (l) Dewing prevention control [Control condition] During cooling and dehumidifying operation, if all the following conditions are established, the compressor speed (frequency) is reduced to prevent dewing and water splash. 1) Cooling electronic expansion valve aperture (EEVC) is 500 pulses. 2) Suction overheat is 10°C or higher.
Page 35 '14 • PAC-SM-215 (7) Silent mode As “Silent mode start” signal is received from the remote control, it operates by dropping the outdoor unit fan tap and the compressor speed (frequency). (b) For details, refer to items (1) and (4) above. (8) Test run (a) It is possible to operate from the outdoor unit using the dip switch on the outdoor unit control PCB.
Page 36 '14 • PAC-SM-215 (10) Base heater ON/OFF output control (option) (i) Base heater ON conditions When all of following conditions are met, the base heater is turned ON. ・Outdoor air temperature (detected with Tho-A) is 1ºC or lower. ・In the heating mode ・When the compressor is turned ON (ii) Base heater OFF conditions When either one of following conditions is met, the base heater is turned OFF.
Page 37 '14 • PAC-SM-215 2. MAINTENANCE DATA 2.1 Diagnosing of microcomputer circuit (1) Selfdiagnosis function (a) Check Indicator Table Whether a failure exists or not on the indoor unit and outdoor unit can be know by the contents of remote control error code, indoor/outdoor unit green LED (power pilot lamp and microcomputer normality pilot lamp) or red LED (check pilot lamp).
Page 38 '14 • PAC-SM-215 (ii) Outdoor unit Outdoor Remote control Indoor control PCB Outdoor control PCB inventer Reference Location of trouble Description of trouble Repair method page Green Green Yellow Error code Red LED Red LED Red LED LED (1) LED (1) Installation or operating •...
Page 39 '14 • PAC-SM-215 (iii) Option control in-use Indoor unit control PCB Outdoor unit control PCB Description of trouble Repair method Error code Red LED Red LED Green LED Red LED Green LED Keeps flashing Stays OFF Keeps flashing Stays OFF Keeps flashing •...
Page 40 '14 • PAC-SM-215 ■ 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 •...
Page 41 '14 • PAC-SM-215 (i) Model FDT, FDU, FDUM series PSB012D990B 1) Control PCB Replace and set up the PCB according to this instruction. a) Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
Page 42 '14 • PAC-SM-215 2) Power PCB This PCB is a general PCB. Replace the PCB according to this instruction. a) 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 43 '14 • PAC-SM-215 • Models FDU200, 250VG PSC012D035 This PCB is a general PCB. Replace the PCB according to this instruction. ① Replace the PCB 1. Unscrew terminal(Arrow A) of the "E2" wiring(yellow/green) that is connected to PCB. 2. Replace the PCB only after all the wirings connected to the connector are removed. 3.
Page 44 '14 • PAC-SM-215 (ii) Model FDTC series PSB012D976C 1) Control PCB Replace and set up the PCB according to this instruction. a) Set to an appropriate address and function using switch on PCB. 　 Select the same setting with the removed PCB. item switch Content of control...
Page 45 '14 • PAC-SM-215 2) Power PCB PSB012D953A This PCB is a general PCB. Replace the PCB according to this instruction. a) Replace the PCB (refer to right dwg.) 1. Unscrew terminal of the wiring(yellow/green) soldered to PCB from the box. 2.
Page 46 '14 • PAC-SM-215 (iii) Model FDEN series PSB01ZD974C Replace and set up the PCB according to this instruction. ① Set to an appropriate address and function using switch on PCB. There is a unit having plural applicable PCB depending on a model. 2.Set the function setting corresponding the spare PCB and the applicable model.
Page 47 '14 • PAC-SM-215 (iv) Model FDF series PSB012D976D 1) Control PCB Replace and set up the PCB according to this instruction. a) Set to an appropriate address and function using switch on PCB. Select the same setting with the removed PCB. item switch Content of control...
Page 48 '14 • PAC-SM-215 2) Power PCB PSB012D953G...
Page 49 '14 • PAC-SM-215 ●DIP switch setting list Switches Description Default setting Remarks Address No. setting at plural indoor units control by 1 R/C SW5-1 Master * /Slave Master/Slave setting See table 2 SW5-2 SW6-1 SW6-2 Model selection As per model See table 1 SW6-3 SW6-4...
Page 50 '14 • PAC-SM-215 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 cord dispalyed on the remote control and flashing pattern of indicator lamps (Red LED and Green LED), and then proceed further inspection and remedy it.
Page 51 '14 • PAC-SM-215 Replace the control PCB according to the following procedure. PCA012D050 ( i ) Replace the PCB after elapsing 3 minutes from power OFF. ( ii ) Measurement was done on both ends of connector (CNA1) during measurement, the voltage(DC) might charged the electrolytic capacitor, be sure that the voltage is discharged sufficiently.
Page 52 '14 • PAC-SM-215 (c) Outdoor inverter PCB replacement procedure Precautions for Safety • Since the following precaution is the important contents for safety, be sure to observe them. WARNING and CAUTION are described as follows: WARNING Indicates an imminently hazardous situation which will result in death or serious injury if proper safety procedures and instructions are not adhered to.
Page 53 '14 • PAC-SM-215 (A) Voltage measurement points for fan motor (DC) : CNA1, 1pin(+) – 4pin(–) (B) Voltage measurement points for inverter : TB5(+) – TB6(–) Fig.2 Voltage measurement points (ii) Model FDC250VSA PCB012D057A Replace the inverter PCB (Fig.1) according to the following procedure. 1) Replace the PCB after elapsing 3 minutes from power OFF.
Page 54 '14 • PAC-SM-215 ※：Presence and shape of electric component may vary according to a model. (＋) (－) (A) Power source for control PCB : CNA2, 1 - 4pin Remove screws. (4 places) (＋) (－) Control PCB Remove harnesses from bands. And, remove the harnesses which are bundled by these bands from clips and connectors on the control PCB.
Page 55 '14 • PAC-SM-215 DIP switch setting list (Outdoor unit) (1) Control PCB Switches Description Default setting Remarks Pump down operation Normal*/Pump down Normal JSW1-1 JSW1-2 Model selection As per model See table 1 JSW1-3 JSW1-4 SW3-1 Defrost condition Normal*/Cold region Normal Snow protection control Normal...
Page 56 '14 • PAC-SM-215 Check of anomalous operation data with the remote control (a) In case of RC-EX1A remote control [Operating procedure] (i) On the TOP screen, touch the buttons in the order of “Menu” ➝ “Next” ➝ “Service & Maintenance” ➝ “Service password” ➝ “Set”...
Page 57 '14 • PAC-SM-215 (b) In case of RC-E5 remote control Operation data can be checked with remote control unit operation. Number Data Item (Operation Mode) (i) Press the button. (Set Temperature) The display change “ ” (Return Air Temperature) (ii) Press the (SET) button while “...
Page 58 '14 • PAC-SM-215 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? 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 59 '14 • PAC-SM-215 (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 60 FDC200VSA Outdoor unit check points ● Check items with the *mark when the power is ON. Noise filter check: There should be continuity. There should be no shorts between phases. Capacitor check: Resistance check: Power source check: Fuse check: Breaking DC Reactor contiuity Check for anomaly in appearance Resistance is measured...
Page 61 FDC250VSA Outdoor unit check points ● Check items with the *mark when the power is ON. Fuse check: F1 or F2 breaking Noise filter check: If it is faulty, check the fan motor. There should be continuity. Resistance check: Then change fuse. There should be no shorts between phases.
Page 62: Table Of Contents
'14 • PAC-SM-215 2.2 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)
Page 63: Operates But Does Not Cool
'14 • PAC-SM-215 Troubleshooting Green Content Error code Keeps flashing Stays OFF None Indoor Operates but does not cool Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature difference between return and supply air.
Page 64: Operates But Does Not Heat
'14 • PAC-SM-215 Green Content Error code Keeps flashing Stays OFF Indoor None Operates but does not heat Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor unit fan operation. Check the temperature difference between return and supply air.
Page 65: Earth Leakage Breaker Activated
'14 • PAC-SM-215 Green Content Error code Stays OFF Stays OFF Indoor None Earth leakage breaker activated Remote control: Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are OK the insulation resistance and Replace compressor. coil resistance of compressor? 2.
Page 66: Excessive Noise/Vibration
'14 • PAC-SM-215 Green Content Error code – – Indoor None Excessive noise/vibration (1/3) Remote control: – – Outdoor 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-...
Page 67: Excessive Noise/Vibration
'14 • PAC-SM-215 Green Content Error code – – Indoor None Excessive noise/vibration (2/3) Remote control: – – Outdoor 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 68: Excessive Noise/Vibration
'14 • PAC-SM-215 Green Content Error code – – Indoor None Excessive noise/vibration (3/3) Remote control: – – Outdoor 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/...
Page 69: Louver Motor Failure (Fdt, Fdtc, Fden, Fdf Series)
'14 • PAC-SM-215 Green Content Error code Louver motor failure Keeps flashing Stays OFF Indoor None Remote control: (FDT, FDTC, FDEN, FDF series) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDT, FDTC, FDEN, FDF series Diagnosis Countermeasure only �...
Page 70: Power Source System Error (Power Source To Indoor Control Pcb)
'14 • PAC-SM-215 Green Error code Content Power source system error Indoor Stays OFF Stays OFF Remote control: None (Power source to indoor control PCB) Outdoor Stays OFF 2-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC220/240V detected between 1 and 2 on the terminal block of indoor...
Page 71: Power Source System Error (Power Source To Remote Control)
'14 • PAC-SM-215 Green Content Error code Power source system error Keeps flashing Stays OFF Indoor None Remote control: (Power source to remote control) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct.
Page 72: Inspect I/U (When 1 Or 2 Remote Controls Are Connected)
'14 • PAC-SM-215 Green Content Error code INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (When 1 or 2 remote controls are connected) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are 2 units of remote control connected?
Page 73: Inspect I/U (Connection Of 3 Units Or More Remote Controls)
'14 • PAC-SM-215 Green Content Error code INSPECT I/U Keeps flashing Stays OFF Indoor INSPECT I/U Remote control: (Connection of 3 units or more remote control) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more than Reduce to 2 units or less.
Page 74: Communication Error At Initial Operation
'14 • PAC-SM-215 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (1/2) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure “ ” is still displayed on the WA IT remote control LED 2 minutes after power ON.
Page 75 '14 • PAC-SM-215 Green Content Error code Communication error at Keeps flashing Stays OFF Indoor Remote control: WAIT initial operation (2/2) Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Diagnosis for when the outdoor control PCB LED is turned off From previous Shut down the breaker and back on...
Page 76: No Display
'14 • PAC-SM-215 Green Content Error code Keeps flashing Stays OFF Indoor None No display Remote control: Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Remote control does not display anything after the power on. Is DC10V or Defective remote control higher detected at remote control connection...
Page 77: E1 Remote Control Communication Circuit Error
'14 • PAC-SM-215 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: communication circuit error Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Malfunction by noise Is it possible to Check peripheral reset normally by the environment.
Page 78: E5 Communication Error During Operation
'14 • PAC-SM-215 Green Content Error code Keeps flashing 2-time flash Indoor Communication error during operation Remote control: Keeps flashing See below Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure In case that the outdoor unit red LED 2-time flash Note (1) Inspect faulty connections (disconnection, looseness) on the outdoor unit terminal block.
Page 79: E6 Indoor Heat Exchanger Temperature Thermistor Anomaly
'14 • PAC-SM-215 Green Content Error code Indoor heat exchanger Keeps flashing 1-time flash Indoor Remote control: temperature thermistor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of indoor heat Correct.
Page 80: E7 Return Air Temperature Thermistor Anomaly
'14 • PAC-SM-215 Green Content Error code Return air temperature Keeps flashing 1-time flash Indoor Remote control: thermistor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the connection of return Correct. ➞ Connect air temperature thermistor connector.
Page 81: Heating Overload Operation
'14 • PAC-SM-215 Green Content Error code Keeps flashing 1-time flash Indoor Heating overload operation Remote control: Keeps flashing Stays OFF Outdoor 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...
Page 82: Drain Trouble
'14 • PAC-SM-215 Green Content Error code Drain trouble Keeps flashing 1-time flash Indoor Remote control: (FDT, FDTC, FDU and FDUM series) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDT, FDTC, FDU and FDUM Diagnosis Countermeasure series only Check the error data in the remote control.
Page 83: E10 Excessive Number Of Connected Indoor Units (More Than 17 Units) By Controlling With One Remote Control
'14 • PAC-SM-215 Excessive number of connected Green Content Error code indoor units (more than 17 units) Keeps flashing Stays OFF Indoor Remote control: by controlling with one remote control Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 84: Address Setting Error Of Indoor Units
'14 • PAC-SM-215 Green Content Error code Address setting error of Keeps flashing Indoor Keeps flashing Remote control: indoor units Keeps flashing stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E11 occurs Is “Master IU address set” function of remote 2.
Page 85: Communication Error Between Master And Slave Indoor Units
'14 • PAC-SM-215 Green Content Error code Communication error Keeps flashing 3-time flash Indoor Remote control: between master and slave indoor units Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is it OK the unit address setting for master Correct unit address setting.
Page 86: Indoor Dc Fan Motor Anomaly
'14 • PAC-SM-215 Green Green Content Content Error code Error code Indoor DC fan motor anomaly Keeps flashing 1 ( 2 ) -time flash Indoor Indoor Remote control: Remote control: Keeps flashing Stays OFF Outdoor Outdoor Note (1) Value in (　) is for the FDU, FDUM series FMI2 only. 5.
Page 87: Address Setting Error Of Moster And Slave Indoor Unit
'14 • PAC-SM-215 Green Content Error code Address setting error of Keeps flashing 1-time flash Indoor Remote control: master and slave indoor units Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E18 occurs “Master indoor unit address set”...
Page 88: Indoor Unit Operation Check, Drain Motor Check Setting Error
'14 • PAC-SM-215 Green Content Error code Indoor unit operation check, Keeps flashing 1-time flash Indoor Remote control: drain motor check setting error Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Defective indoor control Is SW7-1 PCB (Defective SW7)
Page 89: Indoor Dc Fan Motor Rotation Speed Anomaly
'14 • PAC-SM-215 Green Content Indoor DC fan motor Error code Keeps flashing 1 ( 2 ) -time flash Indoor Remote control: rotation speed anomaly Keeps flashing Stays OFF Outdoor Note (1) Value in (　) is for the FDU, FDUM series FMI2 only. 5.
Page 90 '14 • PAC-SM-215 Green Content Error code Defective panel switch Keeps flashing 1-time flash Indoor Remote control: operation (FDT) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDT series only Diagnosis Countermeasure Reset the error and close Is grill opened? the grill.
Page 91: E28 Remote Control Temperature Thermistor Anomaly
'14 • PAC-SM-215 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: temperature thermistor anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure 2. Error detection method Is the remote Correct.
Page 92: Cooling Overload Operation
'14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Cooling overload operation Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of outdoor heat exchanger temperature...
Page 93: E36 Discharge Pipe Temperature Error
'14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Discharge pipe temperature Remote control: Outdoor control PCB Keeps flashing 1-time flash error Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * For the characteristics of discharge...
Page 94 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Outdoor heat exchanger Remote control: Outdoor control PCB Keeps flashing 1-time flash temperature themistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 95 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Outdoor air temperature Remote control: Outdoor control PCB Keeps flashing 1-time flash thermistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the outdoor air...
Page 96: E39 Discharge Pipe Temperature Thermistor Anomaly
'14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Discharge pipe Remote control: Outdoor control PCB Keeps flashing 1-time flash temperature thermistor anomaly Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the...
Page 97 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: High pressure error Outdoor control PCB Keeps flashing 1-time flash (63H1 activated) Yellow LED Outdoor inverter Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure If the power source breaker is turned OFF and ON too quickly,...
Page 98: E48 Outdoor Fan Motor Anomaly
'14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Power transistor overheat 　　 Yellow LED Outdoor inverter 2-time flash or 8-time flash Note (1) 8-time flash 250 model only. 5.
Page 99 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Current cut (1/2) Yellow LED Outdoor inverter 1-time flash or 9-time flash Note (1) 9-time flash 250 model only. 5.
Page 100 '14 • PAC-SM-215 Green Error code Content Indoor Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Current cut (2/2) Yellow LED Outdoor inverter 1-time flash or 9-time flash Note (1) 9-time flash 250 model only. 5.
Page 101 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Communication error between Remote control: Outdoor control PCB Keeps flashing 1-time flash inverter PCB and outdoor control PCB Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1.
Page 102 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Outdoor fan motor anomaly Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Does any foreign...
Page 103 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Low pressure error or Remote control: Outdoor control PCB Keeps flashing 1-time flash low pressure sensor anomaly (1/2) Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1.
Page 104 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Low pressure error or Remote control: Outdoor control PCB Keeps flashing 1-time flash low pressure sensor anomaly (2/2) Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1.
Page 105 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Inverter or power transistor anomaly Yellow LED Outdoor inverter 2-time flash or 8-time flash Note (1) 8-time flash 250 model only. 5.
Page 106 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Suction pipe temperature Outdoor control PCB Keeps flashing 1-time flash thermistor anomaly Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure 2.
Page 107 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Low pressure sensor anomaly Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are the...
Page 108 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Compressor under dome Remote control: Outdoor control PCB Keeps flashing 1-time flash temperature thermistor anomaly Yellow LED Outdoor inverter (Model FDC250 only) Keep flashing 5. Troubleshooting 1.
Page 109 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Insufficient refrigerant amount Outdoor control PCB Keeps flashing 1-time flash or detection of service valve Yellow LED Outdoor inverter Keep flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure...
Page 110 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 1-time flash Compressor startup failure (1/2) Yellow LED Outdoor inverter 4-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure In case that the compressor...
Page 111 '14 • PAC-SM-215 Green Error code Content Indoor control PCB Keeps flashing Stays OFF Remote control: Outdoor control PCB Keeps flashing 5-time flash Compressor startup failure (2/2) Yellow LED Outdoor inverter 4-time flash 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page...
Page 113 Color Marks LED ・ 3 Indication lamp （ Red-Inspection） Terminal block （ Power source） Mark Color CNB〜Z Connector （□ mark） Drain motor LM1〜4 Louver motor BK Black Terminal block （ Signal line）（ □mark） F200〜203 Fuse Remote control communication Blue Thermistor （Remote control）...
Page 114 Th -R1 Th -R2 Th -R3 Th -A Capacitor for FMI CFI 1 CNB　 Z Connector Fuse 220ｰ240V FMI 1 Fan motor（with thermostat） Connecting line between Indication lamp（Green-Normal operation） LED・2 Option 1 2 3 4 5 CNW1 CNW2 indoor unit and outdoor unit CNJ WH CNN Y Indication lamp（Red-Inspection）...
Page 115 Th -R1 Th -R2 Th -R3 Th -A Capacitor for FMI CFI 1,2 Connector CNB　 Z Fuse 220ｰ240V Fan motor（with thermistor） FMl 1,2 Indication lamp（Green-Normal operation） Connecting line between LED・2 Prepare on site 1 2 3 4 5 CNW1 CNW2 indoor unit and outdoor unit CNJ WH CNN YE...
Page 116 Meaning of marks Mark Parts name CNBーZ Connector Control PCB Drain motor (Option) Remote control F1ー3 Fuse ThI-R1 t° FM1,2 Fan motor t° Float switch ThI-R2 LED・2 LED・3 t° Reactor LED・2 Indication lamp Power PCB Connecting line between ThI-R3 t° (Green-Normal operation) indoor unit and outdoor unit F3 （...
Page 117 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 118 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 119 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 120 Power source 3 Phase 380-415V 50Hz ／ 380V 60Hz Meaning of marks Mark Parts name NOISE FILTER F2(3.15A) Crankcase heater PCB3 (WH) Compressor motor 52X1-1 52X1-2 52X2-1 52X2-2 CNA－Z Connector F(10A) 3～ 52X1-3 52X1-4 Current sensor CN2-1 52X2-3 52X2-4 (WH) (OR) Drain pan heater F1(6.3A)
Page 121 Meaning of marks Power source POWER PCB 3 Phase 380－415V 50Hz ／ 380V 60Hz F1(6.3A) F2(4A) PCB4 Mark Parts name 52X2-1 52X2-2 INVERTER PCB PCB2 CNW1 CNA3 CNA4 Crankcase heater 52X2-3 52X2-4 (BK) (WH) (PK) F1(3.15A) Compressor motor (WH) N／F PCB CNAーZ Connector PCB3...
Page 122 '14 • PAC-SM-215 4. PIPING SYSTEM PIPING SYSTEM (1) Single type Model 200 Indoor unit Outdoor unit Cooling cycle Heating cycle Check joint 4way valve Thermistor (Tho-A) Muffler Gas line Service valve (Flare connecting) Check joint Thermistor (Heat exchanger) Heat exchanger High pressure Check (ThI-R3)
Page 123 '14 • PAC-SM-215 (2) Twin type Model 200 Gas branch pipe (φ15.88) Indoor unit Indoor unit Outdoor unit Cooling cycle Heating cycle Check joint 4way valve Thermistor (Tho-A) Muffler Gas line Service valve (Flare connecting) Flare connecting Check joint Thermistor (Heat exchanger) Heat exchanger High pressure...
Page 124 '14 • PAC-SM-215 (3) Triple type Model 200 Gas branch pipe Outdoor unit 15.88) Cooling cycle Heating cycle φ Indoor unit Indoor unit Indoor unit Check joint 4way valve Thermistor (Tho-A) Muffler Gas line Flare connecting Service valve (Flare connecting) Thermistor Check joint (Heat exchanger)
Page 125 '14 • PAC-SM-215 (4) Double twin type Model 200 2nd branch pipe of gas ( φ 12.7) Outdoor unit Cooling cycle Heating cycle 1st branch Indoor unit Indoor unit Check joint pipe of gas 4way valve Thermistor Gas line (Tho-A) ( φ...
Page 126 '14 • PAC-SM-215 Model 250 2nd branch pipe of gas ( φ 12.7) Outdoor unit Cooling cycle Heating cycle 1st branch Indoor unit Indoor unit pipe of gas Check joint 4way valve Thermistor Gas line ( φ 15.88) (Tho-A) Thermistor Muffler (ThI-R3) Service valve...
Page 127 '14 • PAC-SM-215 PJF012D016G 5. APPLICATION DATA ①Be .1 Installation of indoor unit ●Inst (1) Ceiling cassette-4 way type (FDT) CAUTION ●Con This manual is for the installation of an indoor unit. 　○U ● Perform earth wiring surely. For electrical wiring work (Indoor), refer to the page158. For remote control installation, refer to the Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 128 '14 • PAC-SM-215 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 source 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 129 '14 • PAC-SM-215 ⑤Refrigerant pipe (continued) ④Installation of indoor unit (continued) ⑥D 6. Make sure to install the indoor unit horizontally. Conﬁrm the Caution: ● 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. It ent hose ﬁlled with water.
Page 130 '14 • PAC-SM-215 ⑦Wiring-out position and wiring connection ⑥Drain pipe (continued) As wide as possible Single Split (PAC) series VRF (KX) series ●When sharing a drain pipe for more than (about100mm) Wiring between Indoor power one unit, lay the main pipe 100mm Power source Clamp Earth indoor and...
Page 131 '14 • PAC-SM-215 PJF012D003C PANEL INSTALLATION MANUAL PJF012D003C Read this manual together with the indoor unit’s installation manual. ⑥ Attaching the panel 1. Temporary attaching WARNING Lift up the hanger (2 places) on the panel for temporary support. Fasten the wiring to the terminal securely and hold the cable securely so as not to apply Hang the panel on the hook on the indoor unit.
Page 132 '14 • PAC-SM-215 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 133 '14 • PAC-SM-215 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 134 '14 • PAC-SM-215 (2) Ceiling cassette-4 way compact type (FDTC) PJA012D786 ① PJA012D786B PJA012D781  Insta  Conﬁ  Un This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to the electrical wiring work installation manual. For remote Access This manual is for the installation of an indoor unit.
Page 135 '14 • PAC-SM-215 D786 ① Before installation ③ Preparation before installation D781  Install correctly according to the installation manual.  If suspension bolt becomes longer, do reinforcement of earthquake resistant.  Conﬁrm the following points:  For grid ceiling ...
Page 136 '14 • PAC-SM-215 Installation of indoor unit (continued) Refrigerant pipe (continued) ④ ⑤ ⑥ < > < > 4. Insulat 6. Make sure to install the indoor unit horizontally. Conﬁrm the The case of using thicness of insulation is 10mm The case of using reinfoced insulation levelness of the indoor unit with a level gauge or transparent ...
Page 137 '14 • PAC-SM-215 Drain pipe (continued) Wiring-out position and wiring connection (continued) ⑥ ⑦ Descending stop greater than 1/100 4. Insulate the drain pipe.  Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause ite) Single spilit (PAC) series dew condensation and water leakage.
Page 138 '14 • PAC-SM-215 PANEL INSTALLATION MANUAL PJA012D783 Please read this manual together with the indoor unit’s installation manual. WARNING ④ Attaching a corner panel Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the terminal. •...
Page 139 '14 • PAC-SM-215 PJA012D783 6. Please rotate a hook, put in the slot on the panel, and carry out fixing the panel ⑦ How to set the airflow direction temporarily. [Figure 4] It is possible to change the movable range of the louver on the air outlet from the wired remote control. Once the top and bottom position is set, the louver will swing within the range between the top and the bottom when swing operation is chosen.
Page 140 '14 • PAC-SM-215 (3) Ceiling suspended type (FDEN) PFA012D621D ① B B CAUTION Insta ● Perform earth wiring surely. This manual is for the installation of an indoor unit. For electrical wiring work (Indoor), refer to the page 158. For remote control Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 141 '14 • PAC-SM-215 ① Before installation ③ Preparation before installation (continued) Before installation Install correctly according to the installation manual. Pitch of suspension bolts and pipe position Location of pipe outlets Pitch of suspension bolts Top cover Drain line source Drain line (left) (rear left)
Page 142 '14 • PAC-SM-215 ⑤ Installation of indoor unit ⑦ D ⑥ Refrigerant pipe (continued) Work procedure 4. Refrigerant is charged in the outdoor unit. Drain Paper pattern As for the additional refrigerant charge for the indoor unit and piping, refer to the installation 1.
Page 143 '14 • PAC-SM-215 ⑦ Drain pipe (continued) ⑪ How to set the airﬂow direction Drain test It is possible to change the movable range of the louver on the air outlet from ation After installation of drain pipe, make sure that drain system work in good the wired remote control.
Page 144 '14 • PAC-SM-215 (4) Duct connected-High static pressure type (FDU) PJG012D017 PJG012D017 DUCT CONNECTED HIGH STATIC PRESSURE AIR CONDITIONING (OUTDOOR AIR PROCESSING FDU-F) UNIT INSTALLATION MANUAL ○ CAUTION ①B ● Perform earth wiring surely. ● ● ● Earth leakage breaker must be installed. 　○...
Page 145 '14 • PAC-SM-215 ○ ③Cautions for the handling and installation place of outdoor air processing unit ① ①Before installation ● ● 　○ ○ ○ ② ②Selection of installation location for the indoor unit ③ ① ④ 　・・ ⑤ ・・...
Page 146 '14 • PAC-SM-215 ⑥Duct Work (continued) ⑤Installation of indoor unit ⑧D Installation FDU-F Cauti Air conditioner unit ● In [Hanging] Hang the unit up. Suspension bolt If the measurements between ● Outdoor air M10 nut the unit and the ceiling hole do Washer for M10 ⑥...
Page 147 '14 • PAC-SM-215 ⑧Drain pipe ⑧Drain pipe (continued) Caution 4. Insulate the drain pipe. ● Install the drain pipe according to the installation manual in order to drain properly. ●Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may Imperfection in draining may cause ﬂood indoors and wetting the household goods, etc.
Page 148 '14 • PAC-SM-215 ⑨Wiring-out position and wiring connection ⑩External static pressure setting If SW8-4 is turned to “ON”, E.S.P. setting range can be changed to 10 – 200 Pa (E.S.P. setting No. ● Electrical installation work must be performed according to the installation manual by an 1 –...
Page 149 '14 • PAC-SM-215 (5) Duct connected-Low/Middle static pressure type (FDUM) PJG012D008C (a) Indoor unit ○This mod blow type CAUTION ①Be This manual is for the installation of an indoor unit. ● Perform earth wiring surely. ●Insta For electrical wiring work (Indoor), refer to the page 158. For remote control installation, refer to the Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 150 '14 • PAC-SM-215 ○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 ●Install correctly according to the installation manual.
Page 151 '14 • PAC-SM-215 ⑤Duct Work (continued) ⑤Duct Work ⑥R ① A corrugated board (for preventing sputtering) is attached to the main body of the air conditioner Connecting the air intake/vent ducts 4. Re (on the outlet port). Do not remove it until connecting the duct. ①Fresh Air Intake ●An air ﬁlter can be provided on the main body of the air conditioner (on the inlet port).
Page 152 '14 • PAC-SM-215 ⑥Refrigerant pipe (continued) ⑦Drain pipe (continued) 4. Refrigerant is charged in the outdoor unit. 3. Make sure to make descending slope of greater than 1/100 and do not make up-down bend As for the additional refrigerant charge for the indoor unit and piping, refer to the installation and/or trap in the midway.
Page 153 '14 • PAC-SM-215 (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 149. (i) Model FDUM71VF1 3) Remove the screws marked in the circles (2 places) from the fan unit located at the far side.
Page 154 '14 • PAC-SM-215 (6) Floor standing type (FDF) PGA012D404A ①B CAUTION ○ Inst This manual is for the installation of an indoor unit. acco ● Perform earth wiring surely. For electrical wiring work (Indoor), refer to the page 162. For remote control installation, refer to the instr ○ Is it Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring.
Page 155 '14 • PAC-SM-215 ①Before installation ③Carrying-in and installation of the unit Model and po ation Carrying-in ○ Install the unit properly ATTENTION: according to this Carry in the unit kept in a package as near as possible to the installa- instruction manual. Check.
Page 156 '14 • PAC-SM-215 ④Refrigerant piping (Continued) ③Carrying-in and installation of the unit (Continued) ⑤D ◆ Pipe and wire extracting position ① ② ・ Gas pipe Fixing position (L ﬁtting) Liquid pipe 622.5 15 2×φ8 Proc ATTENTION: 48 93 600 ④Refrigerant piping ATTENTION: ●...
Page 157 '14 • PAC-SM-215 ⑤Drain pipe ⑥Wire extracting position and wire connecton (Continued) WARNING Control box Open the air inlet grill by holding the grips with CAUTION both hands and pulling to this side. Control box is located as illustrated at left. Remove the cover and make connections.
Page 158 '14 • PAC-SM-215 (7) Effective range of cool/hot wind (Reference) (a) FDT series Guideline for ceiling height Model Fan Speed Setting FDT50VF,60VF FDT71VF1 FDT100VF1 FDT125VF 2.7m 3.0m 3.2m 3.6m 3.5m 3.8m 4.3m 4.5m 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 159 '14 • PAC-SM-215 5.2 Electric wiring work installation PSB012D999 (1) FDT, FDTC, FDEN, FDU, FDUM series PSBO12D999 ELECTRIC WIRING WORK INSTRUCTION Electrical Wiring Connection ②Remo Electrical wiring work must be performed by an electrician qualiﬁed by a local power provider according to ●...
Page 160 '14 • PAC-SM-215 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 following 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 161 '14 • PAC-SM-215 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 162 '14 • PAC-SM-215 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 163 '14 • PAC-SM-215 (2) FDF series PGAO12D405 Electrical Wiring Connection ②Wir 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 164 '14 • PAC-SM-215 D405 ②Wiring for the remote control (Continued) ③Function Setting by Remote Control (Continued) L" of ① Open the remote control cover and remove the screw without fail. Press (SET) button. The current setting of selected function is indicated. (For example) "STANDARD"...
Page 165 '14 • PAC-SM-215 ③Function Setting by Remote Control (Continued) ④Tri Chec [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 166 '14 • PAC-SM-215 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 controller. ble. Operation data can be checked with remote Number Data Item control unit operation.
Page 167 '14 • PAC-SM-215 5.3 Installation of wired remote control (option) PJZ012D077 (1) Model RC-EX1A eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
Page 168 '14 • PAC-SM-215 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 option equipment. Please read this manual carefully before starting the installation work to install the unit properly.
Page 169 '14 • PAC-SM-215 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 170 '14 • PAC-SM-215 2 . Accessories & prepare 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 100 m, the max size for wires used Switch box in the R/C case is 0.5 mm...
Page 171 '14 • PAC-SM-215 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 172 '14 • PAC-SM-215 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 173 '14 • PAC-SM-215 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 174 '14 • PAC-SM-215 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 175 '14 • PAC-SM-215 (2) Model RC-E5 Installation manual for wired remote controller PJA012D730 Connect the remote control 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 Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the depending on the pulling ou...
Page 176 '14 • PAC-SM-215 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 177 '14 • PAC-SM-215 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 178 '14 • PAC-SM-215 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 179 '14 • PAC-SM-215 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 180 '14 • PAC-SM-215 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 181 3) Se PSB012D955M Be s 〇 A Inverter driven split PAC 〇 A 〇 A 5.4 Installation of outdoor unit INSTALLATION MANUAL FOR OUTDOOR UNIT FDC200VSA, 250VSA (200V, 250V) 〇〇 A FDCA160VSA, 200VSA (A160V, A200V) 〇 A 〇 A 〇...
Page 182 to indo CAUTION branch ● Carry out the electrical work for ground lead with care ● frame Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as frame One-w electric shocks due to short-circuiting.
Page 183 200V) Be sure to select a suitable installation place in consideration of following conditions. ● Walls surrounding the unit in the four sides are not acceptable. 〇 A place where snow will not accumulate. 〇 A place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit. ●...
Page 184 CAUTION performance degradation and/or water leaks from an indoor unit. Use φ9.52mm liquid main pipe when the one way piping length is less than 40m. ● Always use φ25.4mm or φ28.58mm gas pipes when the length of the main "L" exceeds 35m. Outdoor unit If the φ22.22mm pipes are used in an installation having over 35m piping, they can cause performance degradation and/or water leaks from an indoor unit.
Page 185 φ12.7 gauge. φ15.88 19.7 ● 5. TES The pipe should be anchored every 1.5m or less to isolate the vibration. φ15.88 ● Service valve size Tightening torque Tightening angle Recommended length of a tool handle (mm) (mm) (N-m) (° ) Do not apply force beyond proper fastening torque in tightening CAUTION Do not hold the valve cap area with a spanner.
Page 186 - Improper heat insulation/anti-dew dressing can result in a water leak or dripping causing damage to household effects, etc. - All gas pipes must be securely heat insulated in order to prevent damage from dripping water that comes from the condensation formed on them during a cooling operation or personal injury from burns Wires for connecting indoor Exterior tape and outdoor units...
Page 187 ● ※ At the connection with FDUM indoor unit. instructions of the indoor unit. Indoor-outdoor wire thickness ● Power cable thickness Switchgear or Circuit breaker capacity which is calculated from MAX. over current should be chosen along the regulations in each country. ×...
Page 188 Valve for a heating operation Full open position Full open position Complete shut position Full open position Full open position All set to OFF for shipment All set to OFF for shipment sion *1 Do not operate SW5-2, SW5-3, SW5-4. ・...
Page 189 '14 • PAC-SM-215 5.5 Method for connecting the accessory pipe Model FDC200VSA PSC012D028A ● Be sure to use the accessory pipe to connect the service valve on the gas side with the field pipe. ● Be sure to use the straight pipe （ Procured at the field） shown in the table 1 applicable. ●...
Page 190 '14 • PAC-SM-215 【Connection example applicable to the connecting direction.】～ ● The piping angle shown below is an example in case of 15mm of heat insulating material. Adjust an angle, according to the thickness of heat insulating material. 　 Pass the connecting pipe in a hole after angle adjustment.
Page 191 '14 • PAC-SM-215 Model FDC250VSA PSC012D028C ● Be sure to use the accessory pipe to connect the service valve on the gas side with the field pipe. ● Be sure to use the straight pipe （Procured at the field） shown in the table 1 applicable to the model of outdoor unit. ●...
Page 192 '14 • PAC-SM-215 【Connection example applicable to the connecting direction.】～ ● The piping angle shown below is an example in case of 15mm of heat insulating material. Adjust an angle, according to the thickness of heat insulating material. 　 Pass the connecting pipe in a hole after angle adjustment.
Page 193 '14 • PAC-SM-215 2-1 D INSTRUCTIONS FOR BRANCHING PIPE SET INSTALLATION FOR TWIN/TRIPLE/ W-TWIN CONFIGURATION SYSTEMS Supp 5.6 Instructions for branching pipe set (DIS-WA1, WB1, TA1, TB1) Outdoor unit PSB012D865 For R410A PSB012D865 WARNING / CAUTION ● This set is for R410A refrigerant. ● Select a branching pipe set correctly rated for the combined total capacity of connected indoor units and install it according to this manual. An improperly installed branching pipe set can cause degraded performance or an abnormal unit stop.
Page 194 '14 • PAC-SM-215 2-1 DIS-WA1 2-2 DIS-WB1 STEMS Supported combinations Supported combinations Liquid branching pipe Gas branching pipe Liquid branching pipe Gas branching pipe Outdoor unit model Indoor unit model Outdoor unit model Indoor unit model ID15.88 ID9.52 ② 3HP＋5HP ② ID12.7 ①...
Page 195 '14 • PAC-SM-215 2-6. Triple type for same model/different capacity or different model/different capacity Applicable to the difference in length of pipes after the branch being less than 3 m * Connection is not allowed when the difference in length of pipes is larger than 3 m. Liquid branching pipe Gas branching pipe Outdoor unit...
Page 196 MICRO INVERTER PACKAGED AIR-CONDITIONERS Air-Conditioning & Refrigeration Division 16-5, Konan 2-chome, Minato-ku, Tokyo, 108-8215 Japan http://www.mhi.co.jp Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

Mitsubishi Heavy Industries FDT200VSAPVF1 Service Manual

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