Daitsu FSTD SLIM - EC FLEX Series Installation And Maintenance Manual Download Page 21 | Manualshive

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SK2019 FSTD-SLIM-EC-FLEX-001_01

Front Panel Removal

Step 1: Unlock grill and remove the filter.

Step 2: Lift the front panel and remove it.

Electrical Connection

The fan coil comes fully wired and only requires connecting to the mains electricity supply and to any room controls.

Remove the front panel, then control box is shown below.

Connect the wires according to wiring diagram.

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Summary of Contents for FSTD SLIM - EC FLEX Series

Page 1: ...SLIM 03 FSTD SLIM 04 FSTD SLIM 05 FLOOR CEILING SLIM FSTD SLIM EC FLEX Serie FSTD SLIM EC FLEX Edition R00 Models INSTALLATION AND MAINTENANCE MANUAL FSTD SLIM 01 4T FSTD SLIM 02 4T FSTD SLIM 03 4T F...

Page 2: ...manage every stage in the manufacturing of our products Throughout the production process we maintain strict control starting with our extensive resources in research and development through to the d...

Page 3: ...General Maintenance 25 Regular Maintenance 25 Filter Installation Cleaning 25 Fan Motor Assembly Maintenance 26 Water Fittings Interchange 26 D Control Specifications Complete Function PCB TOTAL Type...

Page 4: ...eration 50 Modulating Signal Input 50 Electrical Heater Operation 50 Low Temperature Protection of Indoor Coil in Winter 50 G User Interface 51 Remote Handset for TOTAL Type Control 51 Wired Wall Pad...

Page 5: ...FSTD SLIM 01 4T FLEX EC EC EC Motor Configuration FLEX Flexible function onboard PCB with zone control functionality 4T Chilled Hot Water 4 Pipe 01 05 Unit Sizes See General Specification section A fo...

Page 6: ...and water purge valves Coils are tested at the pressure of 25 bar and recommended for operating at 8 bar Blower and Motor The unit incorporates only specially designed and tested EC motors allowing th...

Page 7: ...0 1 5 2 0 FCCOP Rating 76 0 95 3 116 5 164 9 180 8 Class D D C B B Noise Sound Pressure Level dB A 39 33 28 43 37 3 1 45 41 34 47 41 35 49 45 38 Sound Power Level 48 42 37 52 46 4 0 54 50 43 56 50 44...

Page 8: ...Noise Sound Pressure Level dB A 39 33 28 43 37 31 45 41 34 47 41 35 49 45 38 Sound Power Level 48 42 37 52 46 40 54 50 43 56 50 44 58 54 47 Electrical Fan Motor Power H W 13 18 7 20 3 23 24 M 10 13 6...

Page 9: ...pe Systems Cooling Coil Model Fin height mm Fin Length mm Fins per Inch No of Rows Fin width mm No of Circuits Tube mm FSTD SLIM 01 4T 294 301 16 5 2 25 4 2 7 FSTD SLIM 02 4T 501 2 FSTD SLIM 03 4T 701...

Page 10: ...36 3 41 40 5 315 Hz 31 26 8 20 3 15 8 17 7 19 7 20 3 26 5 26 8 28 9 31 33 2 36 9 400 Hz 36 8 31 1 27 15 7 20 25 5 27 29 8 31 1 35 4 36 8 39 7 39 5 500 Hz 39 7 35 9 33 7 16 1 21 7 25 3 33 7 34 35 9 38...

Page 11: ...42 5 315 0 Hz 33 0 28 8 22 3 17 8 19 7 21 7 22 3 28 5 28 8 30 9 33 0 35 2 38 9 400 0 Hz 38 8 33 1 29 0 17 7 22 0 27 5 29 0 31 8 33 1 37 4 38 8 41 7 41 5 500 0 Hz 41 7 37 9 35 7 18 1 23 7 27 3 35 7 36...

Page 12: ...2 45 6 42 7 46 7 315 0 Hz 36 3 33 9 28 0 28 0 31 3 33 9 34 4 36 3 37 6 41 8 400 0 Hz 40 2 35 7 30 2 30 2 34 3 35 7 39 7 40 2 42 8 44 6 500 0 Hz 43 0 39 3 34 8 34 8 37 7 39 3 40 5 43 0 44 7 48 4 630 0...

Page 13: ...34 0 36 1 39 1 41 2 43 7 45 0 315 0 Hz 36 5 33 9 27 9 27 9 30 6 33 9 34 2 36 5 37 4 40 0 400 0 Hz 41 4 37 3 29 8 29 8 33 7 37 3 39 0 41 4 42 0 43 2 500 0 Hz 44 5 40 9 35 8 35 8 39 6 40 9 42 3 44 5 45...

Page 14: ...9 45 4 315 0 Hz 38 9 35 6 30 1 26 5 27 5 29 8 30 1 32 9 35 6 36 8 38 9 40 2 400 0 Hz 44 4 40 5 34 0 25 8 31 0 33 9 34 0 36 4 40 5 41 1 44 4 43 8 500 0 Hz 44 6 41 0 36 6 25 5 30 2 34 6 36 6 38 4 41 0 4...

Page 15: ...2019 FSTD SLIM EC FLEX 001_01 Dimensions MODEL FSTD SLIM 01 FSTD SLIM 02 FSTD SLIM 03 FSTD SLIM 04 FSTD SLIM 05 L 740 940 1140 1340 1540 M 716 916 1116 1316 1516 N 433 633 833 1033 1233 All dimensions...

Page 16: ...e valve body ON OFF thermoelectric actuator Valve Body Dimensions mm DN A B C D SGS14HFCA 23010101 D20 G3 4 56 47 22 63 3 Way 3 4 Valve Body Valve Code valve body ON OFF thermoelectric actuator Valve...

Page 17: ...SK2019 FSTD SLIM EC FLEX 001_01 2 Way 1 2 Valve Body Valve Code valve body ON OFF thermoelectric actuator Valve Body Dimensions mm DN A B C D SGS14HFCA 23020101 D15 G1 2 52 47 19 5 63 Differential Pr...

Page 18: ...30B 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 3W 3W 3W Full stroke 3 5mm 3 5mm 5 0...

Page 19: ...servicing fan coil unit should be performed by qualified service personnel only This appliance is not intended for use by persons including children with reduced physical sensory or mental capabiliti...

Page 20: ...ng feet 4 Complete the hydraulic connection and check for leakage 5 Complete the electrical connection as shown in the wiring diagrams 6 Remount the front panel return air grille and filter FOR WALL M...

Page 21: ...e the filter Step 2 Lift the front panel and remove it Electrical Connection The fan coil comes fully wired and only requires connecting to the mains electricity supply and to any room controls Remove...

Page 22: ...Page 21 of 71 SK2019 FSTD SLIM EC FLEX 001_01 TOTAL version unit FLEXI version unit Thermostat optional...

Page 23: ...water connections 1 Fan 2 Heat exchanger 3 Manual bleeds 4 Joint 5 Valve CONDENSATE DRAINAGE For use in air conditioning systems the fan coils are fitted with a condensate collecting tray to which a...

Page 24: ...ontal type Piping for 2 Pipe System Piping for 4 Pipe System 3 Way 4 Port Valve 3 4 2 Way Valve 1 2 for Cooling Coil 2 Way Valve 1 2 for Heating Coil Hot Water Outlet 1 2 Horizontal Drain Pan Chilled...

Page 25: ...onverted into forced drainage by attaching the condensate drain pump available as an accessory Chilled Water Outlet 1 2 Chilled Water Inlet 1 2 Hot Water Inlet 1 2 Vertical Drain Pan 2 Way Valve 1 2 f...

Page 26: ...be brushed with a soft brush or vacuumed with a vacuum cleaner 6 If the water coil is not being used during the winter season it should be drained or an anti freezing solution should be added to the...

Page 27: ...an be removed Step 3 Once finished with maintenance remount the front panel Water Fittings Interchange The unit is not easy to change water fitting position Please make sure the side of the fitting wh...

Page 28: ...e outputs Neutral N1 Power supply to the PCB and all the loads connected to the voltage outputs Earth PE1 Power supply to the PCB and all the loads connected to the voltage outputs Voltage output Fan...

Page 29: ...F 1 Fan1 ON L N Power supply VALVE1 230V on off valve output VALVE2 230V on off valve output WP 230V condensate pump output AUX1 Voltage free contact ON unit in heating mode AUX2 Voltage free contact...

Page 30: ...r Tr LED display IR receiver chilled hot water Ti2 hot water louver stepping moter connections CN2 A B A B S1 S2 FLOAT EH2 EH1 PR2 PR1 AUX2 AUX1 HF MF LF VALVE1VALVE2 WP CONNECT GY RD WH BK BL PUMP L1...

Page 31: ...mode only available SW8 0 SW7 1 Cooling and heating modes available SW8 1 with EH functioning as primary Master Slave setting SW6 1 Master SW6 0 Slave Preheat temperature setting SW4 1 28oC SW4 0 36o...

Page 32: ...system failure or cessation of power supply The restored parameter data set depends on the type of user interface a Handset only user interface When the power ON signal is received by the fan coil un...

Page 33: ...be adjusted to low medium and high HEAT MODE Heat mode without electrical heater a MTV2 AUX2 and electric heater are always off b If Tr Ts 1 C or 4 C if economy contact is activated then heat operatio...

Page 34: ...ith electrical heater a If the indoor fan speed at Modbus 310000 setting then the electrical heater will turn on POST HEAT Post heat without electrical heater a If Ti1 38 C then MTV1 and AUX 1 are off...

Page 35: ...ating cycle until the user changes the mode manually or restarts the unit Should the Ti1 sensor be damaged auto mode will not function Auto heat with electric heater as primary heat source all configu...

Page 36: ...cal heater a MTV1 MTV2 AUX2 and heater are always off b If Tr Ts 1 C or 4 C if economy contact is activated then heat operation is activated and AUX1 is turned on Indoor fan runs at the set speed c If...

Page 37: ...according to the pre heat and post heat program DEHUMIDIFICATION MODE a MTV1 MTV2 AUX1 and heater are always off b If Tr 25 C then indoor fan and AUX2 will be ON for 3 minutes and then OFF for 4 minut...

Page 38: ...e turned off b Indoor fan speed can be adjusted to low medium and high HEAT MODE Without Electrical Heater a MTV1 AUX2 and are heater always off b If Tr Ts 1 C or 4 C if economy contact is activated t...

Page 39: ...ed off indoor fan remains on and runs at high speed b If Ti2 70 C then MTV2 and AUX1 are turned on indoor fan remains on and runs at set speed c If the indoor coil temperature sensor is damaged then t...

Page 40: ...by PID calculation every 10 seconds The air flow is adjusted from 15 to100 Modulating Valve Control Under Energy Saving Mode If the modulating valve is used the water flow is adjusted from Modbus 310...

Page 41: ...witch is opened 3 times within 60 minutes the heater is not allowed to start anymore e Turn off the unit to reset the fault provided that the switch has returned to the closed position Low Temperature...

Page 42: ...Control Handset to Set Master Control Unit 1 Connect all the units PCBs according to the wire color and type of connector 2 Select the master unit by setting DIPA S1 SW6 to ON 1 in the PCB 3 Ensure th...

Page 43: ...x 2 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 3 Connection wire i If the total length of wire is more than 1000m pl...

Page 44: ...e wire contact by using a multimeter c Check 1 and 2 3 and 4 5 and 6 to be sure the connections are correct d If the resistance between two wire contacts is too high please check and reconnect the wir...

Page 45: ...A S1 SW5 DIPA S1 SW4 DIPA S1 SW3 DIPA S1 SW2 DIPA S1 SW1 Unit No Remark 1 0 0 0 0 0 01 Master 0 0 0 0 0 1 02 Slave 0 0 0 0 1 0 03 Slave 0 0 0 0 1 1 04 Slave 0 0 0 1 0 0 05 Slave 0 0 0 1 0 1 06 Slave 0...

Page 46: ...are used to test unit Valid Error code table Error code Description Definition 01 01H Invalid commands Received commands beyond valid commands 02 02H Invalid data address Data addresses beyond valid d...

Page 47: ...and set timer function Minute 300008 W Calibration wired wall pad and set timer function Second 300009 W Calibration wired wall pad and set timer function Hours in Timer on 300010 R W Timer ON Minute...

Page 48: ...ctrical heater failure Bit8 Motor1 Error Bit9 Motor2 Error Bit10 System parameters error Bit11 Reserved Bit12 Reserved Bit13 Reserved Bit14 Reserved Bit15 Reserved Fan speed status 400006 R Low 04 H M...

Page 49: ...l Input Modulating signal Low voltage modulating signal input standard 0 5 VDC S1 OPEN optional 0 10 VDC S1 CLOSED Digital input Programming interface TTL Low voltage digital signal input for board pr...

Page 50: ...EMI2 PE N2 N1 L1 AI2 DI S4 S3 S1 PROG1 L M H EH COM MOTOR3 V1 V2 Lo Med Hi N1 RD RD float control switch for pump BL BK GY JP3 JP4 JP1 BL BL RD WH BR OR EC moter PUMP WH JP2 JP6 JP7 8 BL RD WH BR OR E...

Page 51: ...iii If Ti1 16 C the drain pump turns OFF b When the unit turns OFF the drain pump will remain ON for 5 minutes and then turn OFF c At any time i If the float switch is OPEN the drain pump will turn O...

Page 52: ...its settings are automatically sent to the slave units Auto Cool Heat operation will be applicable in 4 pipe system only Swing and Louver functions are not applicable European version only uses degree...

Page 53: ...SK2019 FSTD SLIM EC FLEX 001_01 Wired Wall Pad Controller Day display Mode display Temperature display Fan speed display Timer display Real Time display Master Slave Button display Network icon Sleep...

Page 54: ...and minute of timer on or timer off alternately ON blinks when timer is set to on and OFF blinks when timer is set to off Press or to set timer on off time Press to confirm settings and exit If no ope...

Page 55: ...o set the selected parameter 1 ON OFF unit Press button once H blinks in master slave display area then press to turn on unit H blinks or turn OFF unit S blinks 2 Temperature Press twice temperature b...

Page 56: ...ur area and Error code blinks on real time minute area The Error codes display alternately if more than one error is detected If there is no slave unit online only error code is shown in real time min...

Page 57: ...utton to select fan speed Hi medium low and Auto 4 Down button With thermostat on press the button to reduce setting 5 Up button With thermostat on press the button to increase setting Legend S1 real...

Page 58: ...r is changed from 1 to 20 The number represents 20 parameters No1 stands for unit type setting 0 Air cleaner Mode Icon only show Fan Temperature RH CO2 PM2 5 VOCs are shown on LED 1 AHU unit Mode Icon...

Page 59: ...oil flooring cooling heating No18 stands for fan control setting 0 DA in cooling mode fan is still on when setting temperature is arrived 1 DB in heating mode fan is off when setting temperature is ar...

Page 60: ...put TTL1 Wired wall pad Analogue Input External sensor Ti1 AI1 External sensor Ti1 The function is according to No16 setting Digital input Occupancy contact C1 Unit is ON The switch is closed for 60S...

Page 61: ...wall pad b By the programmable timer on wired wall pad c By the occupancy contact d By Modbus setting AUTO RESTART The system uses a non volatile memory to save the present operation parameters when...

Page 62: ...p mode is turned ON Setting temperature point will increase by 0 5 C every 30 min in cooling mode after 3 hours the setting point will increase by 3 C the setting point is not increased Setting temper...

Page 63: ...peed then it will keep running at the same speed b If Ti1 5 C for 2 minutes then MTV1 and AUX1 are turned on Indoor fun runs at set speed 2 Fan mode a Indoor fan runs at the set speed while heater MTV...

Page 64: ...ol signal Parameter 19 0 Fan is set at high speed DA1 output is according to Modbus address 310003 setting Fan is set at medium speed DA1 output is according to Modbus address 310002 setting Fan is se...

Page 65: ...high 3 Heat mode a If Tr Ts 1 C Parameter 5 setting then heat operation is activated and MTV2 and AUX2 are turned on Indoor fan is OFF b If Tr Ts heat operation is terminated and MTV2 and AUX2 are tu...

Page 66: ...32 6 Function Code 1 2 3 4 6 7 DATA 0 255 8 CRC CRC 16 9 Parity Odd Parity 10 0 Address Broadcast Address Function Code Outputs Register Addresses Protocol Specification Data Define 01 1 Valve 1 0 OF...

Page 67: ...03 06 8 Frost Protection Temperature Temperature 8 03 06 12 Enable Frost Protection 0 Disable 01 Enable 03 06 13 Key lock 0 Disable 01 Enable 03 06 14 DA1 setting 0 EC fan control signal 1 Modulating...

Page 68: ...16 18 84 5 88 11 91 85 16 14 69 15 05 15 41 17 79 8 83 17 86 64 17 14 03 14 37 14 7 16 75 39 78 53 81 76 18 13 41 13 72 14 03 15 71 26 74 18 77 19 19 12 81 13 1 13 4 14 67 37 70 1 72 9 20 12 24 12 52...

Page 69: ...88 0 9284 0 9697 1 012 52 3 225 3 326 3 43 89 0 8998 0 9401 0 9818 53 3 105 3 204 3 305 90 0 8721 0 9115 0 9522 54 2 99 3 086 3 185 91 0 8455 0 8839 0 9237 55 2 88 2 974 3 07 92 0 8198 0 8573 0 8961 5...

Page 70: ...ltage Check fuse on board Place in the ON position Check the room control Check fan motor Filter clogged Air flow obstructed Room control regulation Incorrect water temperature Air present Insufficien...

Page 71: ...r Electric Heater module is supplied for winter heating as an alternative to the auxiliary hot water coil Electric Heater is installed in the same way and same position as the Auxiliary 1 row heating...

Page 72: ...steel drain pan for suspended ceiling installation or built in horizontal installation with left sided coil connections DPANPS UNSL RHLH is a painted steel drain pan for floor standing installation fi...

Page 73: ...Eurofred S A Marqu s de Sentmenat 97 08029 Barcelona www eurofred es...

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