Mitsubishi Heavy Industries FDU224KXZE1 Technical Manual
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Mitsubishi Heavy Industries FDU224KXZE1 Technical Manual

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TECHNICAL MANUAL
VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
(INDOOR UNIT)
KXZ series
Duct connected-High static pressure type
FDU224KXZE1
280KXZE1
Outdoor air processing unit
FDU650FKXZE1
1100FKXZE1
1800FKXZE1
2400FKXZE1
Note:
•
(1) Regarding the outdoor unit KXZ series, refer to the No.'14
No.'14
KX-DB-203 and No.'14
KX-DB-207.
•
•
Manual No. '14
KX-DB-199, No.'14
KX-DB-201,
•
•
KX-T-222
•

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  • Page 1 Manual No. '14 KX-T-222 • TECHNICAL MANUAL VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS (INDOOR UNIT) KXZ series Duct connected-High static pressure type FDU224KXZE1 280KXZE1 Outdoor air processing unit FDU650FKXZE1 1100FKXZE1 1800FKXZE1 2400FKXZE1 Note: • (1) Regarding the outdoor unit KXZ series, refer to the No.'14 KX-DB-199, No.'14...

  • Page 2: Table Of Contents

    6.2 Outdoor air processing unit (FDU-F) ............7. APPLICATION DATA..................7.1 Installation manual for indoor unit ............... (1) Models FDU224KXZE1, 280KXZE1 Models FDU1800FKXZE1, 2400FKXZE1..........(2) Models FDU650FKXZE1, 1100FKXZE1..........7.2 Electric wiring work instruction ..............7.3 Installation manual for wired remote control (option parts) ......
  • Page 3 Models FDU224KXZE1 FDU280KXZE1 Nominal cooling capacity 22.4 28.0 Nominal heating capacity 25.0 31.5 Power source 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz Cooling 1.16 - 1.20 / 1.16 1.16 - 1.20 / 1.16 Power consumption Heating 1.16 - 1.20 / 1.16 1.16 - 1.20 / 1.16...
  • Page 4 Models FDU650FKXZE1 FDU1100FKXZE1 FDU1800FKXZE1 FDU2400FKXZE1 Nominal cooling capacity 14.0 22.4 28.0 Nominal heating capacity 10.5 16.0 21.5 Power source 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz 220-240V 50Hz / 220V 60Hz Cooling 0.24 - 0.25 / 0.24 0.35 - 0.36 / 0.35 1.16 - 1.20 / 1.16...
  • Page 5 Content Symbol MODEL φ19.05 （ 3／4"） （ Brazing） φ22.22 （ 7／8"） （ Brazing） Gas piping φ9.52 （ 3／8"） （ Brazing） 1450 Liquid piping （Duct dimension） Drain piping VP25 （ O.D.32） （Gravity drainage） Hole for wiring Suspension bolts Inspection hole （450X450） Return air duct Space for installation and service Select either of two cases to keep space for installation and services.
  • Page 6 Symbol Content φ15.88 （ 5／8"） （ Flare） Gas piping φ9.52 （ 3／8"） （ Flare） Liquid piping VP25 （ O.D.32） Drain piping （Duct dimension） Drain piping VP20 （ O.D.26） （ Standard） or （Gravity drainage） VP25 （ O.D.32） （ Used with attached socket） Hole for wiring Suspension bolts Outside air opening...
  • Page 7 Symbol Content φ15.88 （ 5／8"） （ Flare） Gas piping φ9.52 （ 3／8"） （ Flare） Liquid piping 1280 （Duct dimension） Drain piping VP25 （ O.D.32） Drain piping VP20 （ O.D.26） （ Standard） or （Gravity drainage） VP25 （ O.D.32） （ Used with attached socket） Drain hose piece Hole for wiring （Accessory）...
  • Page 8 Content Symbol MODEL 1800 2400 φ19.05 （ 3／4"） （ Brazing）φ22.22 （ 7／8"） （ Brazing） Gas piping φ9.52 （ 3／8"） （ Brazing） 1450 Liquid piping （Duct dimension） Drain piping VP25 （ O.D.32） （Gravity drainage） Hole for wiring Suspension bolts Inspection hole （450X450）...

  • Page 9: Wired Remote Control (Option Parts)

    '14 • KX-T-222 2.2 Wired remote control (option parts) (1) Model RC-EX1A Installation space Dimensions (Viewed from front) Exterior appearance Pearl White (Munsell color) (N8.5) near equivalent R/C cable：0.3mm × 2-core RoHS Adapted to directive PJZ000Z297...

  • Page 10: Model Rc-E5

    '14 • KX-T-222 (2) Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, Exposed mounting and grind burrs with a file etc. In case of pulling out In case of pulling out from upper left from center 0.3mm...
  • Page 11 Meaning of marks Mark Parts name CNA-Z Connector Drain motor （Option） F1-3 Fuse FM1,2 Fan motor Remote control Control PCB Float switch Th -R1 t° JSL1 Live Superlink terminal setting （ For spare） t° Reactor LED・2 LED・3 Th -R2 t° Signal line LED・2 Indication lamp...
  • Page 12 Meaning of marks Mark Parts name CNA-Z Connector Drain motor Control PCB F1,4 Fuse Remote control Th -R1 t° Fan motor LED・2 LED・3 Float switch t° Th -R2 t° JSL1 Live Superlink terminal setting （ For spare） Signal line Th -R3 （Shielded cord）...
  • Page 13 Meaning of marks Mark Parts name CNA-Z Connector Drain motor Control PCB F1,3,4 Fuse Remote control Th -R1 t° FM1,2 Fan motor LED・2 LED・3 Float switch t° Th -R2 t° JSL1 Live Superlink terminal setting （ For spare） Signal line Th -R3 （Shielded cord）...
  • Page 14 Meaning of marks Mark Parts name CNA-Z Connector Drain motor （Option） F1-3 Fuse FM1,2 Fan motor Remote control Control PCB Float switch Th -R1 t° JSL1 Live superlink terminal setting （ For spare） t° Reactor LED・2 LED・3 Th -R2 t° Signal line LED・2 Indication lamp...

  • Page 15: Duct Connected-High Static Pressure Type (Fdu)

    External Static Pressure (E.S.P.) can be set by wired remote control. You can set required E.S.P. by wired remote control which calculate it with the set air flow rate and pressure loss of the duct connected. Models FDU224KXZE1, 280KXZE1 SW8-4 : OFF (Range of use limitation : Setting 80Pa-150Pa) SW8-4 : ON (Range of use limitation : Setting 10Pa-200Pa) –...
  • Page 16 '14 • KX-T-222 '14 • KX-T-222 4.2 Outdoor air processing unit (FDU-F) ・Characteristic FAN (1) shows air flow vs. External Static Pressure (E.S.P.) range where settings of E.S.P. are maximum E.S.P. (SW8-4 OFF : 120Pa, SW8-4 ON : 200Pa) , rated E.S.P., and minimum E.S.P. (SW8-4 OFF : 10Pa, SW8-4 ON : 10Pa) ・Characteristic FAN (2) shows air flow vs.

  • Page 17: Kx-T-222 '14 • Kx-T

    '14 • KX-T-222 '14 • KX-T-222 Model FDU1100FKXZE1 ■SW8-4 : OFF (Range of use limitation : Setting 10Pa-120Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correcpond setting of E.S.P. Setting 120Pa Setting 60Pa Setting 10Pa Air flow (m /min)
  • Page 18 '14 • KX-T-222 '14 • KX-T-222 Model FDU1800FKXZE1 ■SW8-4 : OFF (Range of use limitation : Setting 10Pa-120Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correcpond setting of E.S.P. Setting 120Pa Setting 60Pa Setting 10Pa 28 30 Air flow (m...
  • Page 19 '14 • KX-T-222 '14 • KX-T-222 Model FDU2400FKXZE1 ■SW8-4 : OFF (Range of use limitation : Setting 10Pa-120Pa) Characteristic FAN (1) Characteristic FAN (2) Range of approvable air flow In case actual E.S.P. correcpond setting of E.S.P. Setting 120Pa Setting 60Pa Setting 10Pa 36 38 Air flow (m...

  • Page 20: Noise Level

    (2) The data in the chart are measured in an anechoic room. (3) The noise levels measured in the field are usually higher than the data because of reflection. 5.1 Duct connected-High static pressure type (FDU) Models FDU224KXZE1, 280KXZE1 Noise level 52dB (A) at P-High Power level...

  • Page 21: Capacity Table

    '14 • KX-T-222 6. CAPACITY TABLE 6.1 Duct connected-High static pressure type (FDU) Model FDU224KXZE1 FDU224KXZE1 Model Cooling Mode Heating Mode (kW) Indoor air temperature (kW) Outdoor 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB 31 ℃DB 33 ℃DB Outdoor air temp.
  • Page 22 '14 • KX-T-222 Model FDU280KXZE1 FDU280KXZE1 Model Cooling Mode Heating Mode (kW) Indoor air temperature (kW) Outdoor 21 ℃DB 23 ℃DB 26 ℃DB 27 ℃DB 28 ℃DB 31 ℃DB 33 ℃DB Outdoor air temp. Indoor air temperature Air flow 14 ℃WB 16 ℃WB 18 ℃WB 19 ℃WB...
  • Page 23 '14 • KX-T-222 6.2 Outdoor air processing unit (FDU-F) Model FDU650FKXZE1 Model FDU650FKXZE1 Cooling Mode (kW) Air flow Outdoor 15℃WB 20℃WB 25℃WB 28℃WB 30℃WB 32℃WB air temp. /min) 20℃DB 2.70 2.70 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 25℃DB 2.70...
  • Page 24 '14 • KX-T-222 Model FDU1100FKXZE1 Model FDU1100FKXZE1 Cooling Mode (kW) Air flow Outdoor 15 WB 20 WB 25 WB 28 WB 30 WB 32 WB air temp. /min) 20 DB 3.84 3.84 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 25 DB...
  • Page 25 '14 • KX-T-222 Model FDU1800FKXZE1 Model FDU1800FKXZE1 Cooling Mode (kW) Air flow 15℃WB 20℃WB 25℃WB 28℃WB 30℃WB 32℃WB Outdoor air temp. /min) 20℃DB 6.39 6.39 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 25℃DB 6.39 6.39 9.04 5.41 0.00 0.00 0.00...
  • Page 26 '14 • KX-T-222 Model FDU2400FKXZE1 Model FDU2400FKXZE1 Cooling Mode (kW) Air flow Outdoor 15 WB 20 WB 25 WB 28 WB 30 WB 32 WB air temp. /min) 20 DB 8.49 8.49 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 25 DB...

  • Page 27: Application Data

    '14 • KX-T-222 7. APPLICATION DATA 7.1 lnstallation manual for indoor unit (1) Models FDU224KXZE1，280KXZE1 Models FDU1800FKXZE1，2400FKXZE1 PJG012D017B DUCT CONNECTED HIGH STATIC PRESSURE AIR-CONDITIONING (OUTDOOR AIR PROCESSING FDU-F) UNIT INSTALLATION MANUAL ○ CAUTION ①Befo ● Perform earth wiring surely. ●...
  • Page 28 '14 • KX-T-222 D017B ○ ③Cautions for the handling and installation place of outdoor air processing unit ① ①Before installation ● ● 　○ ○ ○ nnect all used. ’ gas leakages. able gas (such es are handled. ② ②Selection of installation location for the indoor unit ③...
  • Page 29 '14 • KX-T-222 ⑥Duct Work (continued) ⑤Installation of indoor unit ⑧Drai Installation FDU-F Caution Air conditioner unit ● Install [Hanging] Imperf Hang the unit up. Suspension bolt Do not If the measurements between ● Outdoor air M10 nut inflam the unit and the ceiling hole do Washer for M10 Deep hood ⑥...
  • Page 30 '14 • KX-T-222 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 31 '14 • KX-T-222 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 32: Models Fdu650Fkxze1, 1100Fkxze1

    '14 • KX-T-222 (2) Models FDU650FKXZE1， 1100FKXZE1 PJG012D004B DUCT CONNECTED HIGH STATIC PRESSURE AIR-CONDITIONING (OUTDOOR AIR PROCESSING FDU-F) UNIT INSTALLATION MANUAL ○This model is h blow type air-c ・This munual is for instaration of an indoor unit and an outdoor air processing unit (FDU-F). ・This manual is for the installation of an indoor unit.
  • Page 33 '14 • KX-T-222 ○This model is high static ducted type air-conditioning unit.Therefore, do not use this model for direct ③Cautions for the handling and installation place of outdoor air processing unit blow type air-conditioning unit. ① ①Before installation stop with the thermostat based on the value of sensor A and the setting temperature by the remote control. ●Install correctly according to the installation manual.
  • Page 34 '14 • KX-T-222 ⑥Duct Work (continued) ⑤Installation of indoor unit ⑦Refr Installation Caution Air conditioner unit ● [Hanging] or a nu Hang the unit up. Suspension bolt If the measurements between Regarding Ceiling surface M10 nut the unit and the ceiling hole do Washer for M10 outdoor u Suction duct...
  • Page 35 '14 • KX-T-222 ⑧Drain pipe ⑦Refrigerant pipe Caution Caution ● Install the drain pipe according to the installation manual in order to drain properly. ● or a nut compatible with JIS B 8607, Class 2. ● Do not put the drain pipe directly into the ditch where toxic gas such as sulfur, the other harmful Regarding whether existing pipes can be reused or not, and the washing method, refer to the instruction manual of the outdoor unit, catalogue or technical data.
  • Page 36 '14 • KX-T-222 ⑧Drain pipe (continued) ⑨Wiring-out position and wiring connection (continued) Main fuse 4. Insulate the drain pipe. ● Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause dew condensation and water leakage. ※...

  • Page 37: Electric Wiring Work Instruction

    '14 • KX-T-222 7.2 Electric wiring work instruction PSC012D001 All models Electrical Wiring Connection Addr ① ② Electrical wiring work must be performed by an electrician qualified by a local power provider according to ●Electrical wiring work must be performed by an electrician an qualified by a local power the electrical installation technical standards and interior wiring regulations applicable to the installation site.
  • Page 38 '14 • KX-T-222 12D001 Address setting Remote Control, Wiring and functions (continued) ② ③ ocal power Address setting is done by (1) Manual address setting or (2) Automatic address setting. Master/slave setting when more than one remote control unit are used e following In the case of (2) "Automatic address setting", it is possible to change address setting by wired remote control after once complete setting.
  • Page 39 '14 • KX-T-222 ⑥ Operation and setting from remote control ⑥ Opera A: Refer to the instruction manual for RC-EX series. Setti B: Refer to the installation manual for RC-EX series. C: Loading a utility software vie Internet 11． Admin ○: Nearly same function setting and operations are possible.
  • Page 40 '14 • KX-T-222 ⑥ Operation and setting from remote control (continued) RC-EX RC-E4 Setting & display item Description series RC-E5 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 41: Installation Manual For Wired Remote Control (Option Parts)

    '14 • KX-T-222 7.3 Installation manual for wired remote control (option parts) PJZ012D077 (1) Model RC-EX1A eco touch REMOTE CONTROL RC-EX1A INSTALLATION MANUAL...
  • Page 42 '14 • KX-T-222 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 43 '14 • KX-T-222 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 44 '14 • KX-T-222 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 45 '14 • KX-T-222 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 46 '14 • KX-T-222 ④ When 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 47 '14 • KX-T-222 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 In 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 the bottom case.
  • Page 48 '14 • KX-T-222 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 49: Model Rc-E5

    '14 • KX-T-222 PJA012D730 (2) Model RC-E5 Installation manual for wired remote controller Connect the remote cont terminal block. Connect the terminal of r Read together with indoor unit's installation manual. with the terminal of indoo (X and Y are no polarity) WARNING Wiring route is as shown Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the...
  • Page 50 '14 • KX-T-222 ote controller Connect the remote control cord to the Sheath Sheath The range of temperature settin terminal block. When shipped, the range of set te Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F with the terminal of indoor unit (X,Y).
  • Page 51 '14 • KX-T-222 PJA012D730 Sheath The range of temperature setting When shipped, the range of set temperature differs depending on the operation mode as below. 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 52 '14 • KX-T-222 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. control and indoor unit are connected.
  • Page 53 '14 • KX-T-222 PJA012D730 omatically defined as following table. Operation message How to set function ndoor unit. Function description: Function No. Stop air-conditioner and press (SET) (MODE) setting description: " mode buttons at the same time for over three seconds, and the ep of air flow setting "FUNCTION SET "...

  • Page 54: Outline Of Operation Control By Mycrocomputer

    '14 • KX-T-222 8. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 8.1 Remote control (option parts) (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.
  • Page 55 '14 • KX-T-222 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 56: Operation Section

    '14 • KX-T-222 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.

  • Page 57: Operation Control Function By The Wired Remote Control

    '14 • KX-T-222 8.2 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 58 '14 • KX-T-222 • 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 59 '14 • KX-T-222 Model RC-E5 Switching sequence of the operation mode switches of remote control COOL HEAT 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. Power failure compensation function (Electric power source failure) •...

  • Page 60: Operation Control Function By The Indoor Control

    '14 • KX-T-222 8.3 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 61 '14 • KX-T-222 (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". 1)  I n case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air tem- perature"...
  • Page 62 '14 • KX-T-222 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 30 to 240 minutes (in the unit of 10-minute). Note (1) 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 1 to 12 hours (in the unit of hour).
  • Page 63 '14 • KX-T-222 (b) 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 10 steps in the range from “OFF 1 hour later” to “OFF 10 hours later”. After the sleep timer setting, the remaining time is displayed with progress of time in the unit of hour.
  • Page 64 '14 • KX-T-222 Once the fan motor is changed from OFF to ON during the thermostat ON, the indoor fan motor is not turned OFF even if the heat exchanger thermistor detects lower than 25°C. Note (1) When the defrost control signal is received, it complies with the fan control during defrosting. Once the hot start is completed, it will not restart even if the temperature on the heat exchanger thermistor drops.
  • Page 65 '14 • KX-T-222 (b) RC-E5 (i) Louver control Press the “LOUVER” button to operate the swing louver when the air-conditioner is operating. “SWING ” is displayed for 3 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 66 '14 • KX-T-222 (c) Fan control during heating thermostat OFF (i) Following fan controls during the heating thermostat OFF can be selected with the indoor function setting of the wired remote control. ① Low fanspeed (Factory default), ② Set fan speed, ③ Intermittence, ④ Fan OFF (ii) When the “Low fan speed (Factory default)”...
  • Page 67 '14 • KX-T-222 (10) Filter sign As the operation time (Total ON time of ON/OFF switch) accumulates to 180 hours , “FILTER CLEANING” is displayed on the remote control. (This is displayed when the unit is in trouble and under the centralized control, regardless of ON/OFF) Note (1) T ime setting for the filter sign can be made as shown below using the indoor function of wired remote control “FILTER SIGN SET”. (It is set at TYPE 1 at the shipping from factory.) Filter sign setting...
  • Page 68 '14 • KX-T-222 (13) Drain motor (DM) control Drain detection switch is turned ON or OFF with the float switch (FS) and the timer. Drain detection switch ON Normal state Normal state [*1] [*2] [ ＊ 1] Drain detection switch is turned “ON” when the float switch “Open” is detected for 3 seconds continuously in the drain detectable space. [ ＊ 2] Drain detection switch is turned “OFF” when the float switch “Close” is detected for 10 seconds continuously. It detects always from 30 seconds after turning the power ON. There is no detection of anomalous draining for 10 seconds after turning the drain pump OFF. Turning the drain detection switch “ON”...
  • Page 69 '14 • KX-T-222 (16) 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 -50(FDU: -500) min less than the required speed, it stops with the anomalous stop (E20).
  • Page 70 '14 • KX-T-222 (a) Output for external control (remote display) Following output connectors (CnT) are provided on the indoor control PCB for monitoring operation status. ① Operation output: Outputs DC12V signal for driving relay during operation ② Heating output: Outputs DC12V signal for driving relay during heating operation ③...
  • Page 71 '14 • KX-T-222 (20) 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 72 '14 • KX-T-222 (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 73 '14 • KX-T-222 (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 Operation External input selection External input method External terminal input (CnT or CnTA) Cooling zone Heating zone...
  • Page 74 '14 • KX-T-222 (27) Home leave mode (RC-EX1A only) When the unit is not used for a long period of time, the room temperature is maintained at a moderate leval, avoiding extremely hot or cool temperature. Cooling or heating is operated according to the outdoor temperature (factory setting 35°C for cooling, 0°C for heating) and the set temp.

  • Page 75: System Troubleshooting Procedure

    '14 • KX-T-222 9. SYSTEM TROUBLESHOOTING PROCEDURE 9.1 Basics of troubleshooting Basic troubleshooting is to check/analyze/save data by connecting the Mente PC. Whenever arriving at the site, always connect the Mente PC before starting work. Method of error data analysis (Basic procedure) •...

  • Page 76: Contents Of Troubleshooting

    '14 • KX-T-222 '14 • KX-T-222 9.2 Contents of troubleshooting 9.2 Contents of troubleshooting (a) List of inspection displays (indoor units) (a) List of inspection displays (indoor units) Remote control Name of inspection Classification Page error code None Operates but does not cool System error System error None...
  • Page 77 '14 • KX-T-222 (b) Troubleshooting Green Error code Content 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 fan operation. Check the temperature difference between return and suction air of indoor unit.
  • Page 78 '14 • KX-T-222 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 fan operation. Check the temperature difference between return and suction air of indoor unit.
  • Page 79 '14 • KX-T-222 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 time has elapsed after Does noise/ vibration occur during stopping the unit, it is or soon after stopping...
  • Page 80 '14 • KX-T-222 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 with the casing.
  • Page 81 '14 • KX-T-222 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 82 '14 • KX-T-222 Green Power source system anomaly Content Error code Stays OFF Stays OFF Indoor None Remote control: (Power source to indoor unit PCB) Stays OFF 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC 220-240V/220V detected between L-N on the indoor terminal block?
  • Page 83 '14 • KX-T-222 Green Content Error code Power source system error Stays OFF Keeps lighting Indoor None Remote control: (Power source to remote control) Stays OFF Keeps lighting Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct it.
  • Page 84 '14 • KX-T-222 Green Content Error code WAIT Indoor Keeps flashing Stays OFF Remote control: WAIT Outdoor Keeps flashing Keeps flashing 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case that is kept WAIT on displaying on the remote control for more than 2 minutes is kept on WAIT...
  • Page 85 '14 • KX-T-222 Green Content Error code Keeps flashing Stays OFF Indoor Remote control: WAIT WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case of fuse blown, how to check the unit before replacement of fuse.) Isn't there any short circuit...
  • Page 86 '14 • KX-T-222 Green Content Error code Keeps flashing Stays OFF Indoor Remote control: WAIT WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (No display on the remote control after power ON.) No display on the remote control after power ON.
  • Page 87 '14 • KX-T-222 Green Content Error code Keeps flashing Stays OFF Indoor Remote control: WAIT WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case that is kept WAIT on displaying on the remote control for more than 2 minutes is kept on WAIT...
  • Page 88 '14 • KX-T-222 Green Content Error code Stays OFF Stays OFF Indoor Remote control: WAIT WAIT Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case that LED on outdoor control PCB stays OFF.) In case that LED on outdoor control PCB stays OFF.
  • Page 89 '14 • KX-T-222 Green Content Error code Stays OFF Stays OFF Indoor Remote control: WAIT WAIT Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case of fuse blown, how to check the unit before replacement of fuse.) From previous page.
  • Page 90 '14 • KX-T-222 Green Content Error code Stays OFF Stays OFF Indoor Remote control: [No display] [No display] Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (No display on the remote control after power ON.) No display on the remote control after power ON.
  • Page 91 '14 • KX-T-222 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: communication error Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is it possible to Malfunction by temporary reset normally by the power noise.
  • Page 92 '14 • KX-T-222 Green Content Error code Keeps flashing Keeps flashing Indoor Duplicated indoor unit address Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the number of Review number of connected indoor units up connected units.
  • Page 93 '14 • KX-T-222 Green Content Error code Keeps flashing 2-time flash Indoor E3/5 Outdoor unit signal line error Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E3 is a communication error that occurs when communication between indoor and outdoor units is not established at all.
  • Page 94 '14 • KX-T-222 Green Content Error code Keeps flashing *See below Indoor Communication error during operation Remote control: Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * In case that indoor red LED flashes 2 times Note (1) Check the connection (disconnection, looseness) of signal wires at outdoor terminal block.
  • Page 95 '14 • KX-T-222 Green Indoor heat exchanger Content Error code Keeps flashing 1-time flash Indoor Remote control: temperature thermistor anomaly (ThI-R) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Insert the connector the connector of thermistor connected securely.
  • Page 96 '14 • KX-T-222 Green Indoor return air Content Error code Keeps flashing 1-time flash Indoor Remote control: temperature thermistor anomaly (ThI-A) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the connector of Insert the connector thermistor connected securely.
  • Page 97 '14 • KX-T-222 Green Content Error code Keeps flashing 1-time flash Indoor Drain trouble Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the error data in the remote control. Is there any overflow? Is DC 12V detected at CN1 connector?
  • Page 98 '14 • KX-T-222 Green Content Error code Excessive number of indoor units (more than 17 units) Keeps flashing Stays OFF Indoor Remote control: by controlling one remote control Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Aren't more...
  • Page 99 '14 • KX-T-222 Green Green Content Error code Content Error code Address setting error between Address setting error between Keeps flashing Stays OFF Indoor Remote control: Remote control: master and slave indoor units Indoor master and slave indoor units Keeps flashing Keeps flashing Keeps flashing Stays OFF Outdoor 5.

  • Page 100: Address Setting Error

    '14 • KX-T-222 Green Content Error code Address setting error Keeps flashing Keeps flashing Indoor Remote control: by mixed setting method Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't the automatic setting and Review address setting.
  • Page 101 '14 • KX-T-222 Green Error code Content Indoor DC fan motor anomaly 1(2) Indoor Remote control: E16 Outdoor Stays OFF   Note (1) V All models Countermeasure Does any of fan propeller? Note(1) for GND Is DC280V FDU1100FKXZE1 (FM2). CNM1(CNM2)? Replace faulty fan motor FDU1100FKXZE1 pass Is DC280V...
  • Page 102 '14 • KX-T-222 Green Content Error code Address setting error of Keeps flashing 1-ime flash Indoor Remote control: master and slave indoor units Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the address setting for the master indoor Correct the address setting of unit correct?
  • Page 103 '14 • KX-T-222 Green Content Error code Indoor unit operation check, Keeps flashing 1-time flash Indoor Remote control: drain motor check mode anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Is SW7-1 Indoor control PCB...
  • Page 104 '14 • KX-T-222 Green Error code Content Indoor DC fan motor 1(2) Indoor Remote control: E20 Outdoor Stays OFF   Note (1) V All models Countermeasure Does any of fan propeller? Note(1) for GND Is DC280V FDU1100FKXZE1 (FM2). CNM1(CNM2)? Replace faulty fan motor FDU1100FKXZE1 pass Is DC280V CNM?
  • Page 105 '14 • KX-T-222 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: temperature thermistor anomaly (Thc) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the connector of Insert the connector thermistor connected securely.

  • Page 106: Instruction Of How To Replace Pcb

    '14 • KX-T-222 9.3 Instruction of how to replace PCB 9.3 Instruction of how to replace PCB (1) Control PCB Models : FDU224KXZE1, 280KXZE1 PSB012D991B FDU650FKXZE1, 1100FKXZE1, 1800FKXZE1, 2400FKXZE1 SAFETY PRECAUTIONS ● Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself.
  • Page 107 '14 • KX-T-222 '14 • KX-T-222 (3) Replace the PCB 1. Exchange PCB after detaching all connectors connected with the PCB. 2. Fix the pwb so as not to pinch the wirings. 3. Connect connectors to the PCB. Match the wiring connector to the connector color on the PCB and connect it. 4.

  • Page 108: Power Pcb

    '14 • KX-T-222 '14 • KX-T-222 (2) Power PCB (a) Models : FDU224KXZE1, 280KXZE1 PSC012D035 FDU1800FKXZE1, 2400FKXZE1 SAFETY PRECAUTIONS ● Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself.
  • Page 109 '14 • KX-T-222 '14 • KX-T-222 PSC012D021 (b) Models: FDU650FKXZE1, 1100FKXZE1 SAFETY PRECAUTIONS ● Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself. ● The precautionary items mentioned below are distinguished into two levels, WARNING and CAUTION. Both mentions the important items to protect your health and safety so strictly follow them by any means.

  • Page 110: Fan Motor Control Pcb

    '14 • KX-T-222 '14 • KX-T-222 (3) Fan motor control PCB Models : FDU224KXZE1, 280KXZE1 PSC012D036 FDU1800FKXZE1, 2400FKXZE1 SAFETY PRECAUTIONS ● Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself.

  • Page 111: Indoor Pcb Setting

    '14 • KX-T-222 9.4 Indoor PCB setting (3) Indoor PCB setting Code Input Default setting Remarks Indoor unit address No.(Order of 10) Indoor unit address No.(Order of 1) Outdoor unit address No.(Order of 10) Outdoor unit address No.(Order of 1) SW5-1 Superlink selection Automatic*/Previous SL...

  • Page 112: Option Parts

    '14 • KX-T-222 10. OPTION PARTS PJZ012D060 10.1 Wireless kit (RCN-KIT3-E) Models RCN-KIT3-E This product is dedicated for heat pump unit. Never install on the unit dedicated for cooling. (1) Wireless kit model Model RCN-KIT3-E (2) Accessories (Confirm the following accessories). Wireless remote Light detection control holder...
  • Page 113 '14 • KX-T-222 (4) How to install the receiver The following two methods can be used to install the receiver onto a ceiling or a wall. Select a method according to the installation position. <Installation position> ① Direct installation onto the ceiling with wood screws. ②...
  • Page 114 '14 • KX-T-222 ① Put through the wiring from the back side to the hole of the lower case. ② Fit the lower case into the ceiling opening. Make sure that the clearance between the convex part of the back of the lower case and the ceiling opening must be as equal as possible on both sides.
  • Page 115 '14 • KX-T-222 (5) Remote control Installation of the wireless control holder Caution DO NOT install it on the following places Holder for 1. Places exposed to direct sunlight wireless remote 2. Places near heat devices control 3. High humidity places 4.
  • Page 116 '14 • KX-T-222 (7) Setting of wireless remote control and receiver ( ) Methods of avoiding the malfunction due to the mixed communication Do both procedures ① and ② . This setting is to avoid the mixed communication with other household electric appliances or the mixed communication when two receivers are located closely.
  • Page 117 '14 • KX-T-222 ( ) Control plural indoor units with one remote control Up to 16 indoor units can be connected. ① Connect the XY terminal with 2-core wire. As for Restrictions on the thickness and length of wire the size, refer to the following note. (Maximun total extension 600m.) Standard Within 100m x 0.3 mm...

  • Page 118: Simple Wired Remote Control (Rch-E3)

    '14 • KX-T-222 10.2 Simple wired remote control (RCH-E PJZ000Z272 Models RCH-E3 Names and functions of sections Remote control sensor ON/OFF button Operation/Inspection lamp Button to start/stop the air � conditioner During operation: Green failure: Red MODE button Use to select the mode. FAN SPEED button Button to set the fan speed TEMP button...

  • Page 119: Wiring Specifications

    '14 • KX-T-222 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS In case of embedding wiring Remote control installation dimensions Wall surface Wiring Wiring outlet Electrical box (In case of embedding wiring) （Prepare on site） 12×7 Slot hole Installation hole 9×4.5 Slot hole （2 places）...
  • Page 120 '14 • KX-T-222 In case of exposing cord Simple Remote Control Installation Manual PJZ012D069 ⑴  Make certain to remove a screw on the bottom surface of the remote control. Read together with indoor unit's installation manual. WARNING ⑴ ● Fasten the wiring to the terminal securely and hold the cable securely so as not to apply Screw ⑵ Remove the upper case of the remote control.
  • Page 121 '14 • KX-T-222 3. Master/ slave setting when more than one remote controller are used ⑴  Up to two remote controls can be connected to one unit (or one group) of indoor unit. Switch Setting Function detail Slave remote control indoor unit SW1-1 Master remote control...
  • Page 122 connecting section. Be careful about contact failure. unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm × 2 cores Under 300m･････････････････0.75mm × 2 cores ⑹  Mount the upper case for restoring to its former state so as not to crimp the remote control cord, Under 400m･････････････････1.25mm ×...
  • Page 123 ct failure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while × 2 cores data is read) Then, the return air temperature is displayed. When AIR CON NO. is pressed, return × 2 cores to the indoor unit selection display (example, “U 000”).
  • Page 124 VRF INVERTER MULTI-SYSTEM 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.

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