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Mitsubishi Heavy Industries FDT Series Technical Manual
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Mitsubishi Heavy Industries FDT Series Technical Manual

Mitsubishi Heavy Industries FDT Series Technical Manual

Inverter packaged air-conditioners and vrf inverter multi-system air-conditioners
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TECHNICAL MANUAL
INVERTER PACKAGED AIR-CONDITIONERS
(Split system, air to air heat pump type)
VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
CEILING CASSETTE-4 WAY TYPE
CEILING CASSETTE-4 WAY COMPACT TYPE
Technical Information of the New Model
Manual No.'20・PAC-T-352
AND
(FDT)
(FDTC)

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  • Page 1 Manual No.'20・PAC-T-352 TECHNICAL MANUAL INVERTER PACKAGED AIR-CONDITIONERS (Split system, air to air heat pump type) VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS CEILING CASSETTE-4 WAY TYPE (FDT) CEILING CASSETTE-4 WAY COMPACT TYPE (FDTC) Technical Information of the New Model...
  • Page 2 '20 • PAC-T-352 '20 • PAC-T-352 Technical Information of the New Model (FDT , FDTC) - 1 - - 1 -...
  • Page 3 '20 • PAC-T-352 1. Change point - 2 -...
  • Page 4 '20 • PAC-T-352 ※1　Regarding change of the inlet grille Grid type Honeycomb type ※2　Regarding change of the latest software In order to operate the prevention function from the wireless remote control, the current model needs to connect with the wired remote control once and activate the Anti draft setting (ON), however the new model can operate the prevention function without connecting to the wired remote control.
  • Page 5 '20 • PAC-T-352 3. Drawing number (Reference page) Drawing number (Reference page) Indoor Outline/Spec Accessories Model name model Wiring diagram Installation manual VG,VH : 40-71 VG,VH : 100-140 KXZ : 28-71 KXZ : 90-160 T-PSA-5BW-E Panel (Standard) T-PSA-5AW-E T-PSA-5BB-E PJF000Z733 (Page 6) PJF000Z734 (Page 7) PJF012D051 (Page 12) PJF000Z741 (Page 8)
  • Page 6 '20 • PAC-T-352 '20 • PAC-T-352 CEILING CASSETTE-4 WAY TYPE (FDT series) CONTENTS 1. EXTERIOR DIMENSIONS ………….……………… … 2. ELECTRICAL WIRING …………..……..……… 3. INSTALLATION OF INDOOR UNIT ..……..……… 4. INSTALLATION OF PANEL ……..……..……… 5. WIRELESS KIT …...…………….……………… … 6. MOTION SENSOR KIT .……...……...…………………...
  • Page 7 '20 • PAC-T-352 1. EXTERIOR DIMENSIONS Ceiling cassette-4 way type (FDT) Models FDT40VG, 50VG, 60VG, 71VG FDT40VH, 50VH, 60VH, 71VH PJF000Z733 - 6 -...
  • Page 8 '20 • PAC-T-352 Models FDT100VG, 125VG, 140VG FDT100VH, 125VH, 140VH PJF000Z734 - 7 -...
  • Page 9 '20 • PAC-T-352 Models FDT28KXZE1, 36KXZE1, 45KXZE1, 56KXZE1, 71KXZE1 PJF000Z741 - 8 -...
  • Page 10 '20 • PAC-T-352 Models FDT90KXZE1, 112KXZE1, 140KXZE1, 160KXZE1 PJF000Z742 - 9 -...
  • Page 11 '20 • PAC-T-352 2. ELECTRICAL WIRING Ceiling cassette-4 way type (FDT) Models FDT40VG, 50VG, 60VG, 71VG, 100VG, 125VG, 140VG FDT40VH, 50VH, 60VH, 71VH, 100VH, 125VH, 140VH PJF000Z735 - 10 -...
  • Page 12 '20 • PAC-T-352 Models FDT28KXZE1, 36KXZE1, 45KXZE1, 56KXZE1, 71KXZE1, 90KXZE1, 112KXZE1, 140KXZE1, 160KXZE1 PJF000Z743 - 11 -...
  • Page 13 '20 • PAC-T-352 3. INSTALLATION OF INDOOR UNIT Ceiling cassette-4 way type(FDT) PJF012D051 ①B ●Ins This manual is for the installation of the indoor unit. This manual is for the installa CAUTION For the panel installation, refer to page 16. For wireless kit installation, refer to page 19. For motion ●Co sensor kit installation, refer to page 28.
  • Page 14 '20 • PAC-T-352 D051 ①Before installation ③Preparation before installation ●Install correctly according to the installation manual. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. When moving the indoor unit, hold only ●Confirm the following points: 　○For grid ceiling the hanging hardware (4 places) only, 　○Unit type/Power source specification with care not to apply forces to any other...
  • Page 15 '20 • PAC-T-352 ⑤Refrigerant pipe (continued) ④Installation of indoor unit (continued) ⑥D ● Protection of the indoor unit Caution: Refrigerating machine oil should not be applied to the threads of union or external surface of flare. It ● If it is not possible to install the panel for a while or if attaching the ceiling board after is because, even if the same tightening torque is applied, the oil is likely to decrease the slide friction installing the indoor unit, protect the indoor unit by using upper carton.
  • Page 16 '20 • PAC-T-352 ⑦Wiring-out position and wiring connection (continued) ⑥Drain pipe (continued) As wide as possible Indoor power ●When sharing a drain pipe for more than 1 Wiring between indoor Single Split (PAC) series VRF (KX) series (about100mm) and outdoor units source line Band Band...
  • Page 17 '20 • PAC-T-352 4. INSTALLATION OF PANEL PJF012D037 Read this manual together with the indoor unit’s installation manual. ⑤ Orientation of the panel installation ⑦ Ele Take note that there is an orientation to install the panel. The wiring WARNING Install the panel with the orientation shown on the right.
  • Page 18 '20 • PAC-T-352 ⑦ Electrical wiring ⑨ Installing the inlet grille To attach the inlet grille, follow the procedure described in in the reverse order. The wiring work varies depending on the panel type. Select the wiring work appropriate for the panel type. ③...
  • Page 19 '20 • PAC-T-352 '20 • PAC-T-352 5. WIRELESS KIT 5. WIRELESS KIT FDT series(RCN-T-5BW-E2, RCN-T-5BB-E2) FDT series(RCN-T-5BW-E2, RCN-T-5BB-E2) (1) Specification (1) Specification Installation of wireless kit Installation position of wireless kit Receiver Do not install the wireless kit at the following places in order to avoid malfunction.
  • Page 20 '20 • PAC-T-352 5.1 WIRELESS KIT (RCN-T-5AW-E2) (2) Installation manual Notes: ● 1.Following function of FDT indoor unit series are not able to be set with this wireless remote control. • Individual flap control system ● PJF012D035 2.This wireless remote control can operate the prevention function without connecting the wired remote control. PJF012D035C Safety precautions ●...
  • Page 21 '20 • PAC-T-352 WARNING ● Do not wash the unit with water. ● Use the cables for wiring, and connect them securely with care to protect 2D035 electronic parts from external forces. ● When installing the unit at a hospital, telecommunication facility, etc., take measures to suppress electric noises.
  • Page 22 It could cause electric shocks. '20 • PAC-T-352 ③ ② Preparation before installation (continued) To change setting Master/Slave setting when using Installat plural remote controls 1. Remove the cover by unscrewing two screws from the back of receiver. 2. Change the setting by the switch on PCB. ①...
  • Page 23 '20 • PAC-T-352 ③ How to install the receiver(continued) n using Installation of the receiver ① ② Put the wiring of the receiver through the opening. ol can indoor ③ Put the wiring on the notch on the control box so as not to be pinched by the control box and lid as shown below.
  • Page 24 '20 • PAC-T-352 ④ ④ Wireless remote control 2. Setti Installation tips for the remote control holder Fix the remote control holder using the screws supplied with this product. Button * Precautions for installing the holder FAN SPEE Holder for ●...
  • Page 25 '20 • PAC-T-352 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Button Number indicator Function setting Fan speed setting : Standard FAN SPEED Fan speed setting : Setting 1 * control Fan speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE...
  • Page 26 '20 • PAC-T-352 ⑤ ⑤ Receiver 2. Corre 1 Control plural indoor units with one remote control Restrictions on the thickness and length of wire and re (Maximun total extension 600m.) Up to 16 indoor units can be connected. The d Standard Within 0.3 mm²...
  • Page 27 '20 • PAC-T-352 ⑤ Receiver (continued) 2. Correlation between illuminance at the receiver The receivable area of the h of wire and reachable area of the signal in a plain view. signal when the illuminance at the receiver is 300lux The drawing in the right shows the correlation between the reachable area of the signal and illuminance at the receiver when the remote...
  • Page 28 '20 • PAC-T-352 '20 • PAC-T-352 6. MOTION SENSOR KIT 6. MOTION SENSOR KIT FDT series(LB-T-5BW-E, LB-T-5BB-E) FDT series(LB-T-5BW-E, LB-T-5BB-E) (1) Specification (1) Specification Motion sensor kit Installation position of motion sensor kit Motion sensor Refrigerant pipe Drain pipe Note (1) Motion sensor must be installed to the position as shown.
  • Page 29 '20 • PAC-T-352 PJF012D036 (2) Installation manual PJF012D036 WARNING ● Connect the wiring to the PCB in the control box on the indoor unit and hold the wiring securely so as not to apply unexpected stress on the PCB. Loose connection or hold will cause abnormal heat generation or fire. ●...
  • Page 30 '20 • PAC-T-352 Installing the motion sensor It is possible to install the motion sensor by replacing with a corner lid on the panel. Aim of the detectable scope Indoor unit Hight of the ceiling Detectable scope① about 4.5 about 6.4 about 7.6 Detectable scope②...
  • Page 31 '20 • PAC-T-352 Installation of the motion sensor ① Loosen the bolts which fix the panel, and make a gap between the panel and the indoor unit. ② Pass the wiring of the motion sensor through the opening of the panel. ③...
  • Page 32 '20 • PAC-T-352 Setting the motion sensor The motion sensor will not function if it is only installed. Set the function of the motion sensor by the wired or wireless remote control. Refer to the manual instruction of each remote control for the setting procedure. Note: It is not possible to set by the following remote control models or older.
  • Page 33 '20 • PAC-T-352 '20 • PAC-T-352 CEILING CASSETTE-4 WAY COMPACT TYPE (FDTC series) CONTENTS 1. EXTERIOR DIMENSIONS ………….……………… … 2. ELECTRICAL WIRING …………..……..……… 3. INSTALLATION OF INDOOR UNIT ..……..……… 4. INSTALLATION OF PANEL ……..……..……… 5. WIRELESS KIT …...…………….……………… … 6. MOTION SENSOR KIT .……...……...…………………...
  • Page 34 '20 • PAC-T-352 '20 • PAC-T-352 1. EXTERIOR DIMENSIONS 1. EXTERIOR DIMENSIONS Ceiling cassette-4 way compact type (FDTC) Ceiling cassette-4 way compact type (FDTC) Models FDTC25VG, 35VG, 40VG, 50VG, 60VG FDTC25VH, 35VH, 40VH, 50VH, 60VH Models FDTC25VG, 35VG, 40VG, 50VG, 60VG (1) Grid type FDTC25VH, 35VH, 40VH, 50VH, 60VH (1) Grid type...
  • Page 35 '20 • PAC-T-352 (2) Honeycomb type PJF000Z738 - 34 -...
  • Page 36 '20 • PAC-T-352 1. EXTERIOR DIMENSIONS Ceiling cassette-4 way compact type (FDTC) Models FDTC15KXZE1, 22KXZE1, 28KXZE1, 36KXZE1, 45KXZE1, 56KXZE1 Models FDTC25VG, 35VG, 40VG, 50VG, 60VG (1) Grid type FDTC25VH, 35VH, 40VH, 50VH, 60VH (1) Grid type PJF000Z756 - 33 - PJF000Z756 - 35 -...
  • Page 37 '20 • PAC-T-352 (2) Honeycomb type PJF000Z745 - 36 -...
  • Page 38 '20 • PAC-T-352 2. ELECTRICAL WIRING Ceiling cassette-4 way compact type (FDTC) Models FDTC25VG, 35VG, 40VG, 50VG, 60VG FDTC25VH, 35VH, 40VH, 50VH, 60VH PJF000Z739 - 37 -...
  • Page 39 '20 • PAC-T-352 Models FDTC15KXZE1, 22KXZE1, 28KXZE1, 36KXZE1, 45KXZE1, 56KXZE1 PJF000Z746 - 38 -...
  • Page 40 '20 • PAC-T-352 3. INSTALLATION OF INDOOR UNIT Ceiling cassette-4 way compact type(FDTC) PJF012D509 ①B This manual is for the installation of the indoor unit. ●Ins For the panel installation, refer to page 43. For wireless kit installation, refer to page 48. For motion CAUTION ●Co sensor kit installation, refer to page 56.
  • Page 41 '20 • PAC-T-352 D509 ①Before installation ③Preparation before installation ●Install correctly according to the installation manual. ●If suspension bolt becomes longer, do reinforcement of earthquake resistant. When moving the indoor unit, hold only 　○For grid ceiling ●Confirm the following points: the hanging hardware (4 places) only, 　　When suspension bolt length is over 500mm, or the gap between the ceiling and roof is 　○Unit type/Power source specification...
  • Page 42 '20 • PAC-T-352 ⑤Refrigerant pipe (continued) ④Installation of indoor unit (continued) ⑥D ● Protection of the indoor unit Caution: Refrigerating machine oil should not be applied to the threads of union or external surface of flare. It ● If it is not possible to install the panel for a while or if attaching the ceiling board after is because, even if the same tightening torque is applied, the oil is likely to decrease the slide friction installing the indoor unit, protect the indoor unit by using upper carton.
  • Page 43 '20 • PAC-T-352 ⑧Panel installation ⑥Drain pipe (continued) ● When sharing a drain pipe for more than 1 ● Install the panel on the indoor unit after electrical wiring work. As wide as possible (about100mm) unit, lay the main pipe 100mm below the ●...
  • Page 44 '20 • PAC-T-352 4. INSTALLATION OF PANEL PJF012D503 Read this manual together with the indoor unit’s installation manual. ③ * Caution before use <Removal> Removing the inlet grille ①Be careful the installation height when installing the indoor unit. ① Also note that the installation height of this indoor unit is different from that of current (old) unit. and pressing it in the direction of arrow ①, pull the Installation height from the ceiling surface to the indoor unit.
  • Page 45 '20 • PAC-T-352 D503 201808 For the Draft prevention panel 6 Orientation of the panel installation Take note that there is an orientation to install the panel. ① (Wiring color: Red, Black) Install the panel with the orientation shown on the right. •...
  • Page 46 '20 • PAC-T-352 FRESH AIR INTAKE (Location for installation) FOR FDTC At the time of installation use the duct hole (cut out) located at the positions shown in follwing diagram, as and when required. (1)Temperature conditions for OA spacer ・Adjust the temperature conditions of mixed air with outdoor air and indoor air within the usage range of suction air temperature for the air-conditioner.
  • Page 47 '20 • PAC-T-352 CHARACTERISTICS OF AIR FLOW IN DIVIDED DUCT FOR FDTC Models FDTC25,35,40VH Models FDTC15,22,28,36KXZE1 FDTC15,22,28,36KXZE1 All air flow (Hi) All air flow (P-Hi) Main air flow (Hi) Air flow in divided duct (P-Hi) Main air flow (P-Hi) Air flow in divided Air flow in divided duct (P-Hi) duct (Hi)
  • Page 48 '20 • PAC-T-352 '20 • PAC-T-352 5. WIRELESS KIT 5. WIRERESS KIT FDTC series(RCN-TC-5AW-E3) FDTC series(RCN-TC-5AW-E3) (1) Specification (1) Specification Installation of wireless kit Installation position of wireless kit Receiver Do not install the wireless kit at the following places in order to avoid malfunction.
  • Page 49 '20 • PAC-T-352 PJF012D506 (2) Installation manual PJF012D506B Safety precautions •Please read this manual carefully before starting installation work to install the unit properly. All of the following are important information to be observed strictly. WARNING Failure to follow these instructions properly may result in serious consequences such as death, severe injury, etc.
  • Page 50 '20 • PAC-T-352 WARNING • Do not wash the unit with water. It could cause electric shocks, fire, or break-down. • Use the specified cables for wiring, and connect them securely with care to protect with electronic parts from external forces. * Pr Improper connections or fixing could cause heat generation, fire, etc. • A • When installing the unit at a hospital, telecommunication facility, etc., take •...
  • Page 51 '20 • PAC-T-352 ② Preparation before installation (continued) To change setting Master/Slave setting when using 1. Change the setting of switches on the accessory PCB. multiple remote controls Up to two receivers or wired remote controls can be installed on one indoor unit group.
  • Page 52 '20 • PAC-T-352 ③ How to install the receiver(continued) Installation of the receiver ① Connect the wire connector (Communication) to CNB on PCB. ② Connect the wire connector (Receiver) to CN3 on PCB. ③ Install the PCB mounting supports on the bracket (Sheet metal). ④...
  • Page 53 '20 • PAC-T-352 ④ Wireless remote control Installation tips for the remote control holder Fix the remote control holder using the screws supplied with this product. * Precautions for installing the holder Holder for Wood screw • Adjust the position so that it is upright. remote control •...
  • Page 54 '20 • PAC-T-352 ④ Wireless remote control (continued) 2. Setting details The following functions can be set. Button Number indicator Function setting Fan speed setting : Standard FAN SPEED Fan speed setting : Setting 1 * Fan speed setting : Setting 2 * Room heating temperature adjustment : Disable Room heating temperature adjustment : +1°C MODE...
  • Page 55 '20 • PAC-T-352 ⑤ Receiver 1 Control multiple indoor units with one remote control Restrictions on the thickness and length of wire (Maximum length is 600m.) Up to 16 indoor units can be connected. Standard Within 0.3 mm² × 100m 1.
  • Page 56 '20 • PAC-T-352 ⑤ Receiver (continued) 2. Correlation between illuminance at the receiver and reachable area of the signal The receivable area of the signal when the illuminance in a plain view. at the receiver is 300lux The drawing in the right shows the correlation between the reachable area of the signal and illuminance at the receiver when the remote control is...
  • Page 57 '20 • PAC-T-352 '20 • PAC-T-352 6. MOTION SENSOR KIT 6. MOTION SENSOR KIT FDTC series(LB-TC-5W-E) FDTC series(LB-TC-5W-E) (1) Specification (1) Specification Motion sensor kit Installation position of motion sensor kit Motion sensor Drain pipe Refrigerant pipe Note (1)Motion sensor must be installed to the position as shown.
  • Page 58 '20 • PAC-T-352 PJF012D504 (2) Installation manual PJF012D504 WARNING ● Connect the wiring to the PCB in the control box on the indoor unit and fix the wiring ① Cu securely so as not to apply unexpected stress on the PCB. ②...
  • Page 59 Motion sensor '20 • PAC-T-352 Installing the motion sensor It is possible to install the motion sensor by replacing the corner lid on the panel. The detectable area Indoor unit The motion Set the func Refer to the Note: It is no Wired Wirele Height of the ceiling...
  • Page 60 12D504 '20 • PAC-T-352 Installation of the motion sensor ① Cut the half blanking (4 sections) of the panel as shown in the following figure. ② Pass the motion sensor wiring through the opening of the panel. ③ Connect the wiring connector to CNL (3P, black) on the PCB in the control box. ④...
  • Page 61 '20 • PAC-T-352 Setting the motion sensor The motion sensor will not function if it is only installed. Set the function of the motion sensor by the wired or wireless remote control. Refer to the manual instruction of each remote control for the setting procedure. Note: It is not possible to set by the following remote control models or older ones.
  • Page 62 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD. Copyright MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice.

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