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Summary of Contents for Daitsu FMCD-04
- Page 1 INSTALLATION AND MAINTENANCE MANUAL SPLIT FMCD - ECM MOTOR Serie FMCD - ECM MOTOR Edition Models FMCD-04 FMCD-06 FMCD-12 FMCD-15 FMCD-18 FMCD-20 FMCD-24 FMCD-30...
- Page 2 Page 1 of 58 INVESTING IN QUALITY, RELIABILITY & PERFORMANCE ISO 9001 QUALITY World Leading Design and Technology Every product is manufactured to meet Equipped with the latest air-conditioning test rooms the stringent requirements of the and manufacturing technology, we produce over internationally recognized ISO 9001 50,000 fan coil units each year, all conforming to the standard for quality assurance in design,...
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Page 3: Table Of Contents
Page 2 of 58 Table of Contents A. Technical Data ................................... 5 A.1. General Description ................................5 A.2. General Specifications ................................ 6 A.2.1. 2-pipe Systems ................................6 A.3. Coil Data ..................................... 8 A.4. Dimensional Drawings ................................ 8 A.5. Sound power data ................................10 A.6. - Page 4 Page 3 of 58 D.14. LED Display and Error Description ..........................37 D.15. LED Display on Master/Slave Connection........................38 E. Networking System ................................39 E.1. Master-Slave Network ..............................39 E.1.1. Master Control Unit Settings ............................ 39 E.1.2. Master-Slave Network Setup ............................ 40 E.1.3.
- Page 5 Page 4 of 58 Model Code Nomenclature FMCD TOTAL - EC Motor Configuration Complete function onboard PCB with TOTAL integrated group control functionality. Flexible function onboard PCB with FLEXI louver and zone control functionality. 2-Pipe System See General Specification (Section B) for cooling/heating sizes capacities FMCD Hydronic High-Wall C Series...
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Page 6: Technical Data
Page 5 of 58 General Description This High- Wall Unit is designed to meet and exceed demanding requirements for efficiency, quiet operation and appearance. The sleek profile and elegantly styled cabinet complement interior design theme, while the microprocessor assures accurate environmental control. Cabinet ~ the stylish cabinet is constructed of durable flame resistant acrylonitrile-butadiene-styrene (ABS) plastic. -
Page 7: General Specifications
Page 6 of 58 General Specifications 2-pipe Systems Product range: FMCD-ECM Hydronic High Wall Unit with EC Motor FMCD-[Size]-V~-ECM Configuration 2-pipe Number Of Fan Blowers Single (V/Ph/Hz 230/1/50 Power Supply 220/1/60 TOTAL: Complete function onboard PCB with integrated group control functionality, incl. 1 pc return air sensor and 2 pcs temperature sensors. - Page 8 Page 7 of 58 Product range: FMCD-ECM Hydronic High Wall with EC Motor FMCD-[Size]-V~-ECM Configuration 2-pipe Number Of Fan Blowers Single 230/1/50 Power Supply (V/Ph/Hz) 220/1/60 TOTAL: Complete function onboard PCB with integrated group control functionality, incl. 1 pc return air sensor and 2 pcs temperature sensors. Operation Control FLEXI: Flexible function onboard PCB with louver and zone control functionality, incl.
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Page 9: Coil Data
No. of Rows No. of Copper No. of Circuits Diameter (mm) FMCD-04 FMCD-06 FMCD-12 FMCD-15 19.5 FMCD-18 FMCD-20 FMCD-24 FMCD-30 Dimensional Drawings Dimensional drawing for FMCD-04/06/12/15/18-ECM Unit Dimensions (mm) Model FMCD-04/06/12/15/18 Unit Dimensions (mm) Model FMCD-04/06/12/15/18 Unit Dimensions (mm) Model FMCD-04/06/12/15/18 SK2019 FMCD-V-ECM-001... - Page 10 Page 9 of 58 Dimensional drawing for FMCD-20/24/30-ECM Unit Dimensions (mm) Model FMCD-20/24/30 1050 Unit Dimensions (mm) Model FMCD-20/24/30 Unit Dimensions (mm) Model FMCD-20/24/30 SK2019 FMCD-V-ECM-001...
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Page 11: Sound Power Data
Page 10 of 58 Sound power data Model FMCD-04-ECM FMCD-06-ECM FMCD-12-ECM FMCD-15-ECM FMCD-18-ECM Speed H(700) M(600) L(500) H(930) M(700) L(600) H(930) M(700) L(600) H(1150) M(800) L(700) H(1300) M(1100) L(900) Sound Power 39.4 36.2 36.2 49.0 39.8 35.7 49.0 39.8 35.5 56.0... - Page 12 Page 11 of 58 Model FMCD-04-18 1000 1100 1200 1300 1400 Speed Sound Power 32.2 32.3 32.8 33.1 35.2 35.6 39.1 43.5 47.4 50.6 53.7 56.2 59.3 61.3 dB(A) 20.0 Hz 18.0 19.7 14.7 16.7 21.1 16.3 18.6 21.5 18.5 22.1...
- Page 13 Page 12 of 58 Model FMCD-20-ECM FMCD-24-ECM FMCD-30-ECM Speed H(1100) M(900) L(800) H(1200) M(1100) L(900) H(1350) M(1200) L(900) Sound Power dB(A) 53.8 49.2 44.6 57.3 53.8 49.4 60.3 56.9 49.4 20.0 Hz 21.2 18.3 22.8 22.5 17.0 17.0 20.8 19.9 17.0 25.0 Hz 18.7...
- Page 14 Page 13 of 58 Model FMCD-20-24-30 Speed 100RPM 200RPM 300RPM 400RPM 500RPM 600RPM 700RPM 800RPM 900RPM 1000RPM 1100RPM 1200RPM 1300RPM 1400RPM Sound Power 32.7 32.3 33.0 34.6 35.2 36.9 40.2 45.1 48.6 51.8 54.3 56.9 59.2 61.3 dB(A) 20.0 Hz 19.4 19.5 20.8...
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Page 15: Valve Information (Optional)
Page 14 of 58 Valve Information (Optional) 2-Way Valve Body Valve Body Dimensions (mm) Valve Code (valve body + ON/ OFF thermoelectric actuator) SGS14HFCA-23020101 19.5 (G1/2”) 3-Way Valve Body Valve Body Dimensions (mm) Valve Code (valve body + ON/ OFF thermoelectric actuator) SGS14HFCA-23020102 (G1/2”) - Page 16 Page 15 of 58 Actuator Model DR-16-230B DR-16-24B DR-15B-24B Normal closed Normal closed Normal closed Voltage 230Vac 24Vac 24Vac Working force 90~125N 90~125N 90~125N Time 4.5min 4.5min 4.5min Power Full stroke 3.5mm 3.5mm 5.0mm Imax 150mA 250mA 250mA Wires 2-wire 2-wire 3-wire (red, blue, black) SK2019 FMCD-V-ECM-001...
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Page 17: Drain Pump And Installation Fixture (Optional)
Page 16 of 58 Drain Pump and Installation Fixture (Optional) Upon request, the metal bracket for fixing the drain pump and drain pump kits can be offered and preinstalled as optional. Please consult our sales representatives for these optional accessories. Sauermann condensate drain pump kits (optional) Metal bracket for fixing the drain pump on the unit (optional) SK2019 FMCD-V-ECM-001... -
Page 18: Installation
Page 17 of 58 Safety Precautions • When installing, performing maintenance or servicing Daitsu fan coil units observe the precautions stated in this manual as well as those stated on the labels attached to the unit. • Ensure all local and national safety codes, laws, regulations, as well as general electrical and mechanical safety guidelines are followed for installation, maintenance and service. -
Page 19: Before Installation
Page 18 of 58 Before Installation Select the location for the high-wall unit with the following considerations: 1. The air inlet and outlet area should be clear without obstructions. The air should flow freely. 2. The high wall unit should be mounted on solid wall. 3. -
Page 20: Mounting Plate Dimensions
Page 19 of 58 Mounting Plate Dimensions FMCD-04/06/12/15/18 –ECM FMCD-20/24/30 –ECM (All dimensions shown in mm) SK2019 FMCD-V-ECM-001... -
Page 21: Mounting Plate Installation
Page 20 of 58 Mounting Plate Installation 1. Select the structural position (e.g. a pillar or lintel) on the wall. 2. Then temporarily fasten the mounting plate on the wall with a steel nail. Mount the mounting plate horizontally as shown in the above figure or by means of gradiometer. -
Page 22: Hydronic Unit Installation
Page 21 of 58 Hydronic Unit Installation Pass the piping through the hole in the wall and hook the indoor unit on the mounting plate by the upper hooks. Move the body of the unit from side to side to verify if it is securely fixed. While pushing the unit toward the wall, lift it slightly from beneath to hook it up on the mounting plate by the lower hooks. -
Page 23: Pipe Connections With Valve
Page 22 of 58 Pipe Connections with Valve Pre-assembly Flexible hose Coil connector 1/2” gasket Valve body with actuator Complete Assembly SK2019 FMCD-V-ECM-001... -
Page 24: Maintenance
Page 23 of 58 Opening and Closing of Lift-Up Grille Cover Open the grille cover by lifting from the bottom position indicated Close the grille cover by pressing down at the by the arrows. positions indicated by the arrows. Front Cover Assembly Removal Set the horizontal louver to the horizontal position. -
Page 25: Control Specifications: Complete Function Pcb - Total Type Control
Page 24 of 58 Abbreviations Ts = Setting temperature AUX1 = Hot water free contact Tr = Room air temperature AUX2 = Chilled water free contact Ti1 = Chilled water coil temperature MTV1 = Chilled Motorized valve Ti2 = Hot water coil temperature MTV2 = Hot Motorized valve I/O Port Definitions Code... -
Page 26: Wiring Diagrams
Page 25 of 58 Wiring Diagrams 2-pipe system Total Type Control Legend: EC-S Unit wiring scheme IPA19-DL-EC-S DIPA-S1 SW1-5: set the unit address SW6: set unit type: master or slave Mode Configuration SW7=0;SW8=0; unit operates in cooling/heating; SW7=0;SW8=1; unit operates in cooling/heating with booster EH;... -
Page 27: Configuration Settings
Page 26 of 58 Configuration Settings There are 2 DIP switches set on the PCB 1. DIPA-S1 (8 positions) • SW1 – SW6: used for master-slave / BMS network address. • SW7 – SW8: used for operating mode configuration. 2. DIPB-S2 (6 positions) •... - Page 28 Window contact System setting 2-pipes system 4-pipes system Preheat setting 28°C 36°C 5. Motorized Fan Speed Settings for Different Models on DIPB Speed (RPM) Unit Model Medium High FMCD-04 FMCD-06 FMCD-12 FMCD-15 1100 FMCD-18 1100 1300 FMCD-20 1100 FMCD-24 1100...
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Page 29: Control Logics For 2-Pipe System
Page 28 of 58 Control Logics For 2-Pipe System With Thermoelectric Valve Configuration COOL MODE a) MTV2, AUX1 and electric heater are always off. b) If Tr ≥ Ts + 1ºC (or + 4ºC if economy contact is activated), then cool operation is activated and MTV1 and AUX2 are turned on. - Page 30 Page 29 of 58 With Electrical Heater as Primary Heat Source MTV1, MTV2, and AUX2 are always off. If Ti2 ≤ 30ºC (or Ti2 is damaged or not connected) If Tr ≤ Ts﹣1ºC (or – 4ºC if economy contact is activated), then heat operation is activated and the electrical heater and AUX1 are turned on.
- Page 31 Page 30 of 58 DEHUMIDIFICATION MODE MTV2, AUX1 and heater are always off. If Tr ≥ 25ºC, then MTV1 and AUX2 will be ON for 3 minutes, and then OFF for 4 minutes. If 16ºC ≤ Tr < 25ºC, then MTV1 and AUX2 will be ON for 3 minutes, and then OFF for 6 minutes. If Tr <...
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Page 32: Without Thermoelectric Valve Configuration
Page 31 of 58 Without Thermoelectric Valve Configuration COOL MODE Heater, AUX1, MTV1 and MTV2 are always off. If Tr ≥ Ts + 1ºC (or + 4ºC if economy contact is activated), then cool operation is activated and AUX2 is turned on. Indoor fan runs at set speed. - Page 33 Page 32 of 58 PRE-HEAT Without Electrical Heater MTV1, MTV2 and AUX2 are off. If Ti1 < 36ºC (or > 28ºC is selected by DIPB-S2 position SW4), then AUX1 is turned on while indoor fan remains off. If Ti1 ≥ 38ºC (or < 30ºC is selected by DIPB-S2 position SW4), then AUX1 is turned on while indoor fan runs at set speed.
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Page 34: Control Logics For 4-Pipe System
Page 33 of 58 Control Logics For 4-Pipe System Note: unit equipped with 4x2 switching device. COOL MODE MTV2, AUX1 and Electrical Heater are always off. If Tr ≥ Ts + 1ºC (or + 4ºC if economy contact is activated), then cool operation is activated, MTV1 and AUX2 are turned on. - Page 35 Page 34 of 58 POST-HEAT Without Electrical Heater If Ti2 ≥ 38ºC, then MTV2 and AUX 1 are turned off. Indoor fan continues to run at set speed. If 36F ≤ Ti2 ≤ 38F, then MTV2 and AUX1 are turned off. Indoor fan maintain its original state. If Ti2 <...
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Page 36: Sleep Mode
Page 35 of 58 Sleep Mode SLEEP mode can only be set when the unit is in COOL or HEAT mode. In COOL mode, after SLEEP mode is set, the indoor fan will run at low speed and Ts will increase by 2ºC over 2 hours. In HEAT mode, after SLEEP mode is set, the indoor fan will run at set speed and Ts will decrease by 2ºC over 2 hours. -
Page 37: Auto Restart
Page 36 of 58 Auto Restart The system uses non-volatile memory to save the present operation parameters when system is turned off or in case of system failure or cessation of power supply. When power supply resumes or the system is switched on again, the same operations as previously set will function. -
Page 38: Led Display And Error Description
Page 37 of 58 LED Display and Error Description Power / Operation LED light (both green) Unit on Power LED Off, Operation LED On Unit in standby Power LED On, Operation LED Off For all units - Operation LED light (Green) Error Description Blink LED Display... -
Page 39: Led Display On Master/Slave Connection
Page 38 of 58 LED Display on Master/Slave Connection The error message indicating the defect status of all slave units will be shown in LED lights on the master unit. Master unit Protection LED light (Red) Unit No. Blink Remedy Unit 2 failure RED LED blinks 2 times, stops for 3s Check unit 2 communication plug and fix it... -
Page 40: Networking System
Page 39 of 58 Master-Slave Network The control PCB can be set either as a master unit or slave unit. Master Unit Function a) The master unit sends data regarding its setting to the slave unit. b) The master unit settings are unit ON/OFF, Mode, Fan Speed, Timer, Clock, Set Temperature, Swing Function, and Sleep Function for handset operation. -
Page 41: Master-Slave Network Setup
Page 40 of 58 Master-Slave Network Setup Disconnect the communication plug from the control box Communication plug A, B, A, B is printed on the main PCB. When you connect the wires, please ensure connection of A to A and B to B. Connection wire If the total length of wire is more than 1000m, please use shielded wire in order to protect the signal transmission. - Page 42 Page 41 of 58 First unit Middle unit Last unit iii. Wire connection check 1) After the wire connection is completed, please check that the wire colours correspond. 2) Check the wire contact by using a multimeter. contact contact contact contact contact contact...
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Page 43: Master-Slave Communication Method
Page 42 of 58 Master-Slave Communication Method There are two modes for Master-slave structure. Global Control communication The Master unit will broadcast the settings to all slave units. During normal operation, slave units can receive commands from its local wireless handset and wall pad control panel. Upon reception of master global commands, all slave unit settings will be replaced by the master settings. -
Page 44: Unit Network Wiring Scheme
Page 43 of 58 Unit Network Wiring Scheme Wiring diagram for a master-slave network connection SK2019 FMCD-V-ECM-001... -
Page 45: Open Modbus Protocol
Page 44 of 58 Open Modbus Protocol Transfer Mode: RTU, BAUD Rate: 9600bps, 8 data bit, 1 stop bit, None parity bit The communications require a delay of 80ms between reading an answer and sending the next command. All temperatures are equal to reading data*10 accuracy: 0.1 degree C. Supported Functions: Function Code Function Description... - Page 46 Page 45 of 58 Holding Register table: Description Address Type* Remark Cooling mode = 01(H) Humidify mode = 02(H) Mode setting 300000 Fan mode = 04(H) Heating mode = 08(H) Auto mode = 10(H) Low speed = 04(H) Medium speed = 02(H) Fan speed setting 300001 High speed = 01(H)
- Page 47 Page 46 of 58 Input Register table: Description Address Type* Remark Dip switch 1 status 400000 Dip switch 2 status 400001 Room temperature sensor 400002 Ti1 temperature sensor 400003 Ti2 temperature sensor 400004 Bit0 = Room temperature sensor error Bit1 = Ti1 temperature sensor error Bit2 = Ti2 temperature sensor error Bit3 = Float switch error Bit4 = Indoor coil low temperature protection...
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Page 48: Control Specification: Flexible Function Pcb - Flexi Type Control
Page 47 of 58 Abbreviation: Ti1 = Chilled water coil temperature I/O Port Definitions Code 2-Pipe Analogue Input Chilled water Sensor Coil sensor (Ti1) Power input 230VAC input signals from wired thermostat. 230VAC input signals from wired thermostat. Power supply to the PCB and all the loads connected to the Phase voltage outputs. -
Page 49: Wiring Diagram
Page 48 of 58 Wiring diagram FLEXI Type Control PCB E C -W U n it w irin g sch e m e IPA19-D L-EC-W E le c tria ca l h e a te r c o n tro l s ig n a l F ro m th e rm o sta t 1 1 0 C E le ctrica l h e a te r F U S E... -
Page 50: Onboard Configuration
• SW2 – SW4: brushless DC fan motor configuration. • SW5 – SW8: Reserved Code State Description PCB configured for 0~5VDC modulating signal input. PCB configured for 0~10VDC modulating signal input. MODEL FMCD-04 FMCD-06 FMCD-12 FMCD-15 1100 FMCD-18 1300 1100... -
Page 51: Control Logics
Page 50 of 58 Control Logics Power On Setting When any fan speed is selected, the unit is turned on or modulating signal is more than 2Vdc. When all of the fan speed inputs (H/M/L) are off and modulating signal is less than 2Vdc, the unit is turned off. Alarm Protection and Error Display If EC motor is failure, EH relay is turned OFF at once. -
Page 52: Users Interface
Page 51 of 58 Remote Control Handset Interchange F and C on Display Press up and down buttons for 3 seconds, then release. Swing It is not available. Attention When unit with handset is the master unit, its settings are automatically sent to the slave units; Auto Cool-Heat operation will be applicable in 4- pipe system only. -
Page 53: Wired Wall Pad Controller
Page 52 of 58 Wired Wall Pad Controller Real Time display Day display Timer display Mode display Temperature display Fan speed display Button display Network icon Sleep icon Master-Slave Key lock SK2019 FMCD-V-ECM-001... - Page 54 Page 53 of 58 1. Buttons function Button Name ONOFF MODE DOWN Function Switch on or Switch between Change Fan Switch Modify Modify off the unit modes Speed interfaces parameters parameters Press to change function setting: (CNT stands for pressing times) （1）...
- Page 55 Page 54 of 58 5. Temperature setting Press to set temperature. Set point temperature is shown on temperature display area. Press to confirm settings and exit. If no operation within 6 seconds, it will automatically exit and the setting will not be saved. When DIP SW1=ON, set point temperature is fixed.
- Page 56 Page 55 of 58 Press to confirm settings and exit. If no operation within 6 seconds, it will automatically exit and the setting will not be saved. 12. Global control setting Press five times to set global control and “Network” icon blinks. 1) Press , timer on/off icon blinks and all slave units’...
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Page 57: Sensor Resistance R-T Conversion Table
Page 56 of 58 Resistance: R (25°C) = 10KΩ ± 1% Beta Constant: B (25/85) = 3977 ± 1% Rmin Rnom Rmax Rmin Rnom Rmax (°C) (KΩ) (KΩ) (KΩ) (°C) (KΩ) (KΩ) (KΩ) 182.7 191.8 26.11 26.9 27.71 163.4 171.5 179.9 24.85 25.59... - Page 58 Page 57 of 58 Resistance: R (25°C) = 10KΩ ± 1% Beta Constant: B (25/85) = 3977 ± 1% Rmin Rnom Rmax Rmin Rnom Rmax (°C) (KΩ) (KΩ) (KΩ) (°C) (KΩ) (KΩ) (KΩ) 5.614 5.759 5.907 1.417 1.474 1.532 5.387 5.53 5.673 1.37...
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Page 59: Troubleshooting
Page 58 of 58 Symptoms Cause Remedy The fan coil does - Check for presence of No voltage not start up voltage 1. Check fuse on board Mains switch in the “OFF - Place in the “ON” position position Faulty room control - Check the room control - Check fan motor Faulty fan... - Page 60 Eurofred S.A. Marqués de Sentmenat 97 08029 Barcelona www.eurofred.es...
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