Sakura SFP-102KM4-P/DLY Installation Manual Download Page 1

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Sakura Air Conditioner

User-friendly, Earth-friendly

Sakura Air Conditioner

User-friendly, Earth-friendly

Ref, S- 091 / 03 / 10 (A)

Hydronic Cassette

SFP - KM - DLY Series

( Technical / Installation Manual )

SINGLE FAN (4-way discharge)

TWIN FAN (6-way discharge)

Summary of Contents for SFP-102KM4-P/DLY

Page 1: ...ner User friendly Earth friendly Sakura Air Conditioner User friendly Earth friendly Ref S 091 03 10 A Hydronic Cassette SFP KM DLY Series Technical Installation Manual SINGLE FAN 4 way discharge TWIN FAN 6 way discharge ...

Page 2: ...TERNAL AUXILIARY DRAIN PAN INSTALLATION 17 9 MOUNTING UNIT PANEL 18 10 ELECTRICAL CONNECTION 18 11 EXTERNAL FRESH AIR DELIVERY OF TREATED AIR TO ADJACENT ROOM 19 12 MAINTENANCE AND SERVICE 20 5 DIMENSIONAL DRAWINGS 22 6 REMOTE CONTROL HANDSET OPERATION OF REMOTE HANDSET 27 INSTALLATION OF REMOTE HANDSET 28 7 WIRED WALL PAD OPTIONAL WALL PAD BUTTONS 29 WALL PAD OPERATION 30 WALL PAD INSTALLATIONS 3...

Page 3: ... KM6 E PANEL E II for KM4 KM6 DL DELUXE SERIES for KM4 KM6 CF COMFORT SERIES for KM4 PF PUMP FREE SERIES for KM4 for KM1 KM2 V 2 PIPE SYSTEM P 4 PIPE SYSTEM 6 6 WAY DISCHARGE twin fan 4 4 WAY DISCHARGE single fan 2 2 WAY DISCHARGE 1 1 WAY DISCHARGE KM CASSETTE TYPE 68 NOMINAL AIR FLOW 10M3 H SFP FAN COIL UNIT SAKURA Total Air Conditioning Solution ...

Page 4: ...04 2 040 1 200 238 2 380 1 400 980x980 289 2 890 1 700 1140x1140 85 850 500 102 1 020 600 136 1 360 800 170 1 700 1 000 680x1240 Table 1 MAIN COMPONENTS OF THE UNIT LAMP BOARD 1 Under heating operation the red color LED lamp on 2 When timer function active the yellow color LED lamp on 3 Under cooling operation the green color LED lamp on 4 RESET press to turn on off the unit manually 1ˊ Remote han...

Page 5: ... drain pan Fig 5 PUMP MAINTENANCE BOARD is opened at the side of unit body for easily service of the drainage pump in the case of necessary Fig 6 FAN BLOWER FAN MOTOR The balanced centrifugal fan blower and fan motor can be accessed through the window of air return grille easily for service THE 3 SPEED MOTOR STANDARD The unit is standard equipped with 3 speeds motor THE 5 SPEED MOTOR OPTIONAL The ...

Page 6: ...89KM4 V 250 2348 2552 14 1 2 9 3 8 FP 85 102 136 170KM6 V 225 2243 2447 14 1 2 8 3 8 Fin Length mm COIL DATA 4 PIPE MODEL Fin Height mm Inner Outer Fins per Inch No of rows No of circuits Tube Diameter FP 68 80KM4 P 225 1145 1349 14 1 2 5 3 3 8 FP 85 102 136KM4 P 225 1535 1739 14 1 2 5 3 3 8 FP 170 204 238KM4 P 250 1922 2126 14 1 2 6 3 3 8 FP 289KM4 P 250 2348 2552 14 1 2 6 3 3 8 FP 85 102 136 170...

Page 7: ...ow rate L h 370 480 620 680 Pressure drop kPa 1 2 2 5 4 5 Hot Water Heating Capacity H M L kW 3 4 2 75 2 3 4 0 3 2 2 7 5 4 4 1 3 2 5 5 4 3 3 3 Evaparator Coil Water content L 1 4 1 4 1 4 1 4 Type Size Dia mm 315 315 315 315 No of fan 1 1 1 1 Power supply V Ph Hz Power input W 39 54 58 64 Running current A 0 18 0 24 0 27 0 29 m3 h 450 360 300 510 410 350 680 520 400 800 630 470 dB A 31 30 29 34 30 ...

Page 8: ...3 2 Water flow rate L h 930 990 1 150 Pressure drop kPa 5 5 7 9 5 Hot Water Heating Capacity H M L kW 8 4 6 2 4 7 9 1 6 6 5 4 10 5 7 8 6 0 Evaparator Coil Water content L 1 84 1 84 1 84 Type Size Dia mm 380 380 380 No of fan 1 1 1 Power supply V Ph Hz Power input W 71 84 127 Running current A 0 33 0 38 0 58 m3 h 850 700 530 1020 770 600 1360 1010 780 dB A 39 32 29 42 36 33 50 40 33 kW 2 0 2 0 2 0 ...

Page 9: ...40 Pressure drop kPa 15 5 17 20 36 Hot Water Heating Capacity H M L kW 14 0 10 7 8 2 15 0 11 7 8 5 16 5 12 8 9 7 23 0 19 1 15 8 Evaparator Coil Water content L 2 53 2 53 2 53 2 98 Type Size Dia mm 476 476 476 530 No of fan 1 1 1 1 Power supply V Ph Hz Power input W 170 175 234 330 Running current A 0 78 0 80 1 07 1 43 m3 h 1700 1300 1000 2040 1600 1150 2380 1850 1400 2890 2100 1600 dB A 52 44 36 5...

Page 10: ... 1 130 1 290 1 440 Pressure drop kPa 8 10 13 16 Hot Water Heating Capacity H M L kW 8 6 7 1 6 3 10 2 8 6 7 4 11 0 9 7 8 0 12 3 10 5 9 2 Evaparator Coil Water content L 2 64 2 64 2 64 2 64 Type Size Dia mm 315 315 315 315 No of fan 2 2 2 2 Power supply V Ph Hz Power input W 105 110 118 195 Running current A 0 48 0 50 0 54 0 89 m3 h 850 700 550 1020 870 720 1360 1120 900 1700 1350 1100 dB A 45 41 39...

Page 11: ...w rate L h 530 550 660 690 740 Pressure drop kPa 4 5 5 9 10 11 Chilled water content L 0 93 0 93 1 23 1 23 1 23 Hot water content L 0 47 0 47 0 61 0 61 0 61 Type Size Dia mm 315 315 380 380 380 No of fan 1 1 1 1 1 Power supply V Ph Hz Power input W 58 64 71 84 127 Running current A 0 27 0 29 0 33 0 38 0 58 m3 h 680 520 400 800 630 470 850 700 530 1020 770 600 1360 1010 780 dB A 39 33 29 43 37 31 3...

Page 12: ...L h 810 1 000 1 100 1 185 Pressure drop kPa 14 20 22 28 Chilled water content L 1 77 1 77 1 77 2 09 Hot water content L 0 76 0 76 0 76 0 89 Type Size Dia mm 476 476 476 530 No of fan 1 1 1 1 Power supply V Ph Hz Power input W 170 175 234 330 Running current A 0 78 0 80 1 07 1 43 m3 h 1700 1300 1000 2040 1600 1150 2380 1850 1400 2890 2100 1600 dB A 52 44 36 53 45 37 55 46 39 57 52 48 mm 950x950x290...

Page 13: ...ater flow rate L h 820 920 1 000 1 090 Pressure drop kPa 16 20 23 26 Chilled water content L 1 76 1 76 1 76 1 76 Hot water content L 0 88 0 88 0 88 0 88 Type Size Dia mm 315 315 315 315 No of fan 2 2 2 2 Power supply V Ph Hz Power input W 105 110 118 195 Running current A 0 48 0 50 0 54 0 89 m 3 h 850 700 550 1020 870 720 1360 1120 900 1700 1350 1100 dB A 45 41 39 49 45 40 54 50 45 59 56 51 mm mm ...

Page 14: ...at may apply 2 Ensure that the electrical supply is adequate for the operating current required for this specific installation 3 CAUTION INSTALLING SERVICING SHOULD BE CARRIED OUT BY TRAINED AND QUALIFIED SERVICE PERSONNEL ONLY 4 CAUTION BEFORE CARRYING OUT ANY WORK PUT THE PROPER INDIVIDUAL PROTECTION DEVICES ON 5 CAUTION BEFORE CARRYING OUT ANY WORK TURN OFF THE MAIN POWER SWITCH 3 OPERATIONAL L...

Page 15: ...in hose power supply cables etc Supporting rods can be fixed depending on the type of ceiling as shown in Fig 9 2 Fit mounting brackets of the unit to the threaded rods Fig 10 Do not tighten nuts and counter nuts this operation has to be done only after final leveling of the unit when all the connections have been completed Fig 9 Fig 10 3 Ensure the unit is horizontally level otherwise condensate ...

Page 16: ...ling tighten the nuts and counter nuts of the threaded rods The spaces between the unit and ceiling can now be adjusted Use the drop rods to make the adjustment 8 After connection of the condensate drain pipe coil connections and external drain pan check again that the unit is level Fig 11 SAKURA Total Air Conditioning Solution ...

Page 17: ...TIONS 1 Water connections are fixed to the unit body with supporter to avoid breaks when pipes are connected to valve assemblies it is advisable to tighten the connection with a spanner 2 The upper coil connection is supplied with air purge screw the lower connection with water purge screw suitable for wrench or screw driver Fig 14 3 Coil is partially drainable it is advisable to blow air into the...

Page 18: ...move control box cover and install the connection wires See Wiring Diagrams 2 After wiring install control box cover Notice a The PCB jumper setting see control specifications b The master slave units address setting see control specifications c 5 speeds motor is optional If equipped with 5 speeds motor local technician can shift 3 connected speeds to the desired speed level through the terminal o...

Page 19: ... KM6 there is one 1 pre stamped hole for fresh air and four 4 pre stamped holes for branch duct connection Fig 18 z CONNECTION FLANGE FOR FRESH AIR AND BRANCH DUCT OPTIONAL PARTS Fig 19 z INSTALLATION OF FLANGES 1 Look for the sticker on the casing for location of pre stamped holes for branch duct or fresh air intake connections 2 The sticker is at the center of a knock out hole underneath the cas...

Page 20: ...g plate 2 Apply blanking plate on the supply air tunnel to cover the opening 3 Press on the attaching area to firmly seal it Fig 21 12 MAINTENANCE AND SERVICE MAINTENANCE 1 Before performing any service or maintenance operations turn off the main power switch 2 The air filter is made of acrylic fiber and is washable in water To remove filter simply open the intake grille by releasing the fasteners...

Page 21: ...emoval of the condensate drain pan 3 The inspection or replacement of drain pump only need to open the pump maintenance port 4 During the removal of the condensate drain pan protect the floor under the unit with a plastic sheet from condensate water that could be spilled 5 Remove fixing screws of the drain pan fixture and remove condensate drain pan with care SFP KM4 SFP KM6 z PUMP MAINTNANCE PORT...

Page 22: ...0 581 424 616 581 21 65 44 5 5 0 504 55 290 30 150 Branch Duct 100 581 1 Drainage Pipe 290 150 100 84 5 109 5 50 581 484 55 1 Drainage Pipe Branch Duct Water outlet 3 4 Chilled Water Inlet 3 4 Hot Water Inlet 3 4 Hot Water Outlet 3 4 Chilled Water Outlet 3 4 Water Inlet 3 4 84 50 50 SAKURA Total Air Conditioning Solution ...

Page 23: ...30 542 701 701 736 21 65 44 5 5 0 611 75 290 30 150 Branch Duct 100 701 1 Drainage Pipe 290 150 100 84 5 109 5 50 701 591 5 75 1 Drainage Pipe Branch Duct Water outlet 3 4 Chilled Water Inlet 3 4 Hot Water Inlet 3 4 Hot Water Outlet 3 4 Chilled Water Outlet 3 4 Water Inlet 3 4 84 50 50 SAKURA Total Air Conditioning Solution ...

Page 24: ...980 811 811 654 846 21 65 44 5 5 0 713 75 290 30 150 Branch Duct 100 811 1 Drainage Pipe 290 150 100 84 5 109 5 50 811 694 5 75 1 Drainage Pipe Branch Duct Water outlet 3 4 Chilled Water Inlet 3 4 Hot Water Inlet 3 4 Hot Water Outlet 3 4 Chilled Water Outlet 3 4 Water Inlet 3 4 96 50 50 SAKURA Total Air Conditioning Solution ...

Page 25: ...6 950 803 21 65 44 5 5 0 815 75 290 30 150 Branch Duct 100 950 1 Drainage Pipe 290 150 100 84 5 109 5 50 950 850 75 1 Drainage Pipe Branch Duct Water outlet 3 4 Chilled Water Inlet 3 4 Hot Water Inlet 3 4 Hot Water Outlet 3 4 Chilled Water Outlet 3 4 Water Inlet 3 4 96 50 50 SAKURA Total Air Conditioning Solution ...

Page 26: ...0 499 3 55 30 1 Drainage Pipe 84 5 109 5 50 480 3 55 1 Drainage Pipe Water outlet 3 4 Chilled Water Inlet 3 4 Hot Water Inlet 3 4 Hot Water Outlet 3 4 Chilled Water Outlet 3 4 Water Inlet 3 4 84 50 50 290 150 Branch Duct 100 1133 Branch Duct 100 70 100 Fresh Air 500 290 150 Branch Duct 100 1133 Branch Duct 100 70 100 Fresh Air 500 SAKURA Total Air Conditioning Solution ...

Page 27: ...CASSETTE 27 REMOTE CONTROL HANDSET Notice a When unit with handset is mater setting are automatically sent to slave units b Auto Cool Heat operation will be applicable for 4 pipe system only SAKURA Total Air Conditioning Solution ...

Page 28: ...n a The remote handset use two AAA 1 5V batteries b Follow above steps to install or replace the batteries c Remove batteries if not used for long period 3 Wall holder of remote handset a Fix the handset wall holder on the wall by 2 screws b Insert the remote handset into the wall holder SAKURA Total Air Conditioning Solution ...

Page 29: ...clock setting or to be used in timer ON OFF programming to adjust timer setting 7 0 5 Press to activate on off timer programming mode 1 Press to cancel on off timer setting in timer programming mode 02 Press to select cool fan dry heat or auto cool heat operation mode Auto mode for 4 pipe system only 1 Press to select low medium or high speed 6 3 Press once to select sleep mode Press again to canc...

Page 30: ...on timer setting above c Press 7 0 5 button again to exit timer on off setting function d Should there be any on or off timer being programmed will light up Should there be any unexecuted on or off timer for the current day its corresponding ON or OFF icon will light up e Hold down 1 button for 3 sec will cancel all timer settings Timer set by master unit are as follow 1 Press 1 7 button to enter ...

Page 31: ...perature setting Press or to enter into temperature setting mode temperature display area blinks the current set temperature Press the above button to adjust the set temperature 8 Mode setting Press 02 button to change the operation mode 9 Fan speed setting Press 1 button to change the fan speed only low speed available for dehumidification mode 10 On Off control Press to start or stop the air con...

Page 32: ...play for 4 pipe unit Press 1 button to exit 13 Error indication When faulty slave unit is detected unit display area shows the faulty unit address time area shows the error code and backlight change to red color Should there be multiple units having problems they will be shown one after another Error code definition Error code Error E2 Indoor coil sensor 2 faulty 4 pipe unit E3 Return air sensor f...

Page 33: ...cover and install the battery 3 Pay attention to the battery and polar direction 4 Mount the wall pad back cover to the desired location on the wall 5 Fix the wall pad body to the back cover 6 The wall pad is already connected with the communication wire length 7 5m Another head of the wire should be connected with main PCB SAKURA Total Air Conditioning Solution ...

Page 34: ...an Speed Set Temperature Swing Function and Sleep Function for handset operation 3 The master unit settings are Unit ON OFF Mode Fan Speed Set Temperature Swing Function Sleep Function and Weekly Timer ON OFF program for wall pad operation c SLAVE UNIT FUNCTION 1 The slave unit receives data on its settings from the master unit 2 The slave unit is allowed to change to a locally desired setting by ...

Page 35: ...ontrol Master controller could be a LCD wall pad or a host computer control system Slave units can set its parameters as usual Upon received the control commands from a master the addressed slave unit settings will be replaced by the master settings DIP SWITCH ADDRESS SETTING 1 FOR ON 0 FOR OFF SW6 SW5 SW4 SW3 SW2 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...

Page 36: ...imary heater c AIR CONDITIONER ON OFF There are 3 ways to turn the system on or off 1 By the ON OFF button on the handset or wired wall pad 2 By the programmable timer on the handset or wired wall pad 3 By the manual reset control button on the unit panel d POWER ON SETTING 1 When the power on signal is received by the air conditioner the Mode Fan Speed Setting temperature and Swing setting will b...

Page 37: ...pt original state If Ti1 45 ºC the electrical heater is turned off 5 The range of Ts is 16 30 ºC 6 Indoor fan speed can be adjusted for low medium high and auto 7 MTV1 will delay for 30 seconds before it is turned on 8 MTV1 will delay for 120 seconds before it is turned off iii HEAT MODE WITH ELECTRICAL HEATER AS PRIMARY HEAT SOURCE 1 MTV2 always off 2 If Tr Tsε1 ºC heat operation is activated MTV...

Page 38: ...n runs at set speed 3 HEAT MODE WITHOUT ELECTRICAL HEATER i Heater MTV1 and MTV2 always off ii If Tr Tsε1 ºC heat operation is activated The indoor fan is turned on and runs at set speed iii If Tr Ts heat operation is terminated Indoor fan runs at low fan speed for 30 seconds stops for 3 minutes and repeats iv The range of Ts is16 30 ºC v Indoor fan speed can be adjusted for low medium high and au...

Page 39: ... is turned on 7 MTV2 will delay for 120 seconds before it is turned off i PRE HEAT 1 If Ti2 36 ºC or 28C depends on S5 setting when MTV2 is on indoor fan remains off 2 If Ti2 38 ºC or30C depends on S5 setting when MTV2 is on indoor fan runs at set speed 3 If indoor coil temperature sensor is damaged pre heat time is set for 2 minutes and indoor fan runs at set speed ii POST HEAT 1 If Ti2 38ºC when...

Page 40: ... set speed and Ts will decrease 2 ºC during 2 hours 4 Changing of operation mode will cancel sleep mode Cool mode sleep profile is Heat mode sleep profile is 9 AUTO FAN SPEED In cool mode the fan speed cannot change until it has run at this speed for more then 30 seconds Fan speed is regulated according to the profile below In heat mode the fan speed cannot change until it has run at this speed fo...

Page 41: ...st angle at29º Louver angle 8 29 º opens clockwise to 22º User may stop louver at any desired poison between 8 29º 2 Louver B applicable for FP KM4 FP KM6 units For LCD handset Whenever indoor fan is running louver can swing or stop at the desired position Louver angle 0 100 º opens clockwise with largest angle at 100 º Swing angle 35 100 º opens clockwise to 68º Below are the 4 fixed positions wh...

Page 42: ...m 5 minutes 14 FLOAT SWITCH This normally close switch is used to detect faults in water pump system Switch open confirmation delay is 5sec while switch close confirmation is 60sec Once switch is confirmed open unload the thermostat force water pump to turn on for 5 minutes Should water level switch be opened 2 times within 30 minutes thermostat is not allowed to cut in anymore Turn off the unit t...

Page 43: ...op 3 sec Unit 20 failure Blink 20 times stop 3 sec Unit 21 failure Blink 21 times stop 3 sec Unit 22 failure Blink 22 times stop 3 sec Unit 23 failure Blink 23 times stop 3 sec Unit 24 failure Blink 24 times stop 3 sec Unit 25 failure Blink 25 times stop 3 sec Unit 26 failure Blink 26 times stop 3 sec Unit 27 failure Blink 27 times stop 3 sec Unit 28 failure Blink 28 times stop 3 sec Unit 29 failu...

Page 44: ...5 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 12 79 13 63 73 66 26 68 88 21 11 7 11 96 12 22 12 60 3 62 67 65 1 22 11 19 11 43 11 67 11 57 08 59 28 61 55 23 10 71 10 93 11 15 10 54 05 56 1 58 22 24 10 24 10 45 10 66 9 51 19 53 12 55 08 25 9 8 10 10 2 8 48 51 50 3 52 14 26 9 374 ...

Page 45: ...697 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 56 2 774 2 866 2 959 93 0 795 0 8316 0 8696 57 2 673 2 762 2 854 94 0 7711 0 8069 0 8439 58 2 576 2 663 2 752 95 0 748 0 783 0 8192 59 2 483 2 568 2 655 96 0 7258 0 7599 0 7953 60 2 394 2 477 2 562 97 0 7043 0 7376...

Page 46: ... SPEEDS MOTORS without ELECTRIC HEATER 05 1 Standard SFP KM6 V with 3 SPEEDS MOTORS with ELECTRIC HEATER 06 1 Optional SFP KM6 V with 5 SPEEDS MOTORS without ELECTRIC HEATER 07 1 Optional SFP KM6 V with 5 SPEEDS MOTORS with ELECTRIC HEATER 08 1 Optional SFP KM4 P with 3 SPEEDS MOTOR 09 1 Standard SFP KM4 P with 5 SPEEDS MOTOR 10 1 Optional SFP KM6 P with 3 SPEEDS MOTORS 11 1 Standard SFP KM6 P wit...

Page 47: ...DLY DELUXE SERIES HYDRONIC CASSETTE 47 CONTROL AND POWER SUPPLY WIRING DIAGRAMS WIRING DIAGRAM 01 1 WIRING DIAGRAM 02 1 WIRING DIAGRAM 03 1 WIRING DIAGRAM 04 1 SAKURA Total Air Conditioning Solution ...

Page 48: ...DLY DELUXE SERIES HYDRONIC CASSETTE 48 CONTROL AND POWER SUPPLY WIRING DIAGRAMS WIRING DIAGRAM 05 1 WIRING DIAGRAM 06 1 WIRING DIAGRAM 07 1 WIRING DIAGRAM 08 1 SAKURA Total Air Conditioning Solution ...

Page 49: ...DLY DELUXE SERIES HYDRONIC CASSETTE 49 CONTROL AND POWER SUPPLY WIRING DIAGRAMS WIRING DIAGRAM 09 1 WIRING DIAGRAM 10 1 WIRING DIAGRAM 11 1 WIRING DIAGRAM 12 1 SAKURA Total Air Conditioning Solution ...

Page 50: ...ELECTROTHERMIC ACTUATOR MODEL T41 2 3 WAY 4 PORT VALVE MODEL V41D20T250 3 4 3 EXTERNAL INSTALLATION VALVE CONNECTION KITS 2 THE 2 WAY VALVE CONNECTION FOR EXTERNAL INSTALLATION OPTIONAL 1 ELECTROTHERMIC ACTUATOR MODEL T41 2 3 WAY 4 PORT VALVE MODEL V41D20S250 3 4 3 EXTERNAL INSTALLATION VALVE CONNECTION KITS SAKURA Total Air Conditioning Solution ...

Page 51: ...LET VALVE PRE INSTALLED INTERNALLY AT FACTORY OPTIONAL 4 THE 2 WAY VALVE PRE INSTALLED INTERNALLY AT FACTORY OPTIONAL Notice The valve pre installed internally at factory depends on order requirements before production SAKURA Total Air Conditioning Solution ...

Page 52: ...Material Fireproof ABS engineering plastic Housing Color White Control Element Electro thermal wax sensor Connector M30 1 5 Working Ambient Temperature 烋40ć First Fully Open Time 烋6min炷25ć炸 Working Force 80N Full Stroke 4 5mm Protection Class IP40 Power Consumption 1 1VA Max Impact Current 0 7A Lead Wire 1m Length 2 core Net Weight 94g Dimensions mm Separate Gasket Dimensions MAX 2 means the max u...

Page 53: ...y position Disassembly Directions Disassembly Direction No need tools Ć Pressing the two beside detachable buttons of the actuator with fingers and pull it out upwards II THE VALVE V41D20T250 V41D20S250 The valve is normally closed on direct way 3 way angle way is normally open Actuator can drive the piston to open direct way and close angle way Spring is used to return the piston and ensure its g...

Page 54: ...oldering scraps and to ensure the piston inside the valve can open and close freely Pay attention to the allowed flow direction when installation actuator should be mounted above the valve body three valve is better use as mixing valve and installation diagram is as following Specification and Technical Data Model Structure KV Value Direct Way m3 h KV Value Angle Way m3 h Pressure 炷MPa炸 Connecting...

Page 55: ...DLY DELUXE SERIES HYDRONIC CASSETTE 55 Differential Pressure Chart SAKURA Total Air Conditioning Solution ...

Page 56: ...ers for the Master unit which will automatically send the settings to the slave units f Master unit will beep twice confirming receipt of commands while Slave unit will beep once WALLPAD AS MASTER CONTROL UNIT a Connect all the units PCBs according to the wire color and type of connector b Select the master unit by closing the SW6 DIP switch on the main PCB c Ensure the SW6 DIP switch in the PCB o...

Page 57: ... stop receiving signal from wireless LCD handset LCD handset can only provide signal to Wall Pad receiver When wall pad is disconnected from the PCB for 5 seconds it will revert to wireless LCD handset reception automatically 5 MASTER SLAVE COMMUNICATION METHOD There are two modes for Master slave structure Global Control communication Master will broadcast the settings to all slave units During n...

Page 58: ...7 Slave 0 1 0 0 0 1 18 Slave 0 1 0 0 1 0 19 Slave 0 1 0 0 1 1 20 Slave 0 1 0 1 0 0 21 Slave 0 1 0 1 0 1 22 Slave 0 1 0 1 1 0 23 Slave 0 1 0 1 1 1 24 Slave 0 1 1 0 0 0 25 Slave 0 1 1 0 0 1 26 Slave 0 1 1 0 1 0 27 Slave 0 1 1 0 1 1 28 Slave 0 1 1 1 0 0 29 Slave 0 1 1 1 0 1 30 Slave 0 1 1 1 1 0 31 Slave 0 1 1 1 1 1 32 Slave If master unit is equipped with wireless LCD handset only it can only use Glo...

Page 59: ...o the last fan coil Fan Coil Bus Table below shows the jumper shorting position on JP2 Data Logger and S7 PCB under different distance situation to the bus connection RS232 to RS485 converter with 120ohm termination resistor in built RS232 to RS485 converter without 120ohm termination resistor in built Data Logger Bus S 300m Short JP2 position 2 3 on Data Logger Short JP2 position 1 2 on Data Logg...

Page 60: ...nd B on CN4 of Data logger no 1 to CN3 of Data logger no 2 Important note If the connection distance between Data Logger no 1 to the Last Data Logger e g Data Logger no 64 excess 300 meters short position 1 2 on JP2 of the last Data logger as show below 2 6 Provide each data logger with an addressable code by closing S1 S6 DIP switch according to the DIP switch chart below Important note Please do...

Page 61: ...1 0 36 1 0 0 0 1 1 37 1 0 0 1 0 0 38 1 0 0 1 0 1 39 1 0 0 1 1 0 40 1 0 0 1 1 1 41 1 0 1 0 0 0 42 1 0 1 0 0 1 43 1 0 1 0 1 0 44 1 0 1 0 1 1 45 1 0 1 1 0 0 46 1 0 1 1 0 1 47 1 0 1 1 1 0 48 1 0 1 1 1 1 49 1 1 0 0 0 0 50 1 1 0 0 0 1 51 1 1 0 0 1 0 52 1 1 0 0 1 1 53 1 1 0 1 0 0 54 1 1 0 1 0 1 55 1 1 0 1 1 0 56 1 1 0 1 1 1 57 1 1 1 0 0 0 58 1 1 1 0 0 1 59 1 1 1 0 1 0 60 1 1 1 0 1 1 61 1 1 1 1 0 0 62 1 1...

Page 62: ... DELUXE SERIES HYDRONIC CASSETTE 62 3 HOST COMPUTER CONTROL WIRING DIAGRAM Notice Please use RJ 11 6P 4C TYPE B cable for connection between Fan Coil and Data Logger SAKURA Total Air Conditioning Solution ...

Page 63: ...DLY DELUXE SERIES HYDRONIC CASSETTE 63 SAKURA Total Air Conditioning Solution ...

Page 64: ...DLY DELUXE SERIES HYDRONIC CASSETTE 64 CN2 connect to fan coil PCB 4 CONFIGURATION OF DATA LOGGER CN3 CN4 connect to PC and next Data Logger DIP SWITCH JP2 SAKURA Total Air Conditioning Solution ...

Page 65: ...SETTE 65 5 HOST COMPUTER CONTROL SOFTWARE GUIDELINES 1 Once software has been installed start running it 2 Please login to the system for testing please choose Maintenance with password 666666 SAKURA Total Air Conditioning Solution ...

Page 66: ...program with status of the air con e g On Off Mode etc 4 Set the Addressable communication by first clicking the SET BY UNIT select the target ID and provide them setting as same as below e g Select ID 1 5 as above means the setting will only send to unit with Dip Switch setting no 5 under the first group of Data Logger Bus network SAKURA Total Air Conditioning Solution ...

Page 67: ...T BY GROUP select the target group of Data Logger Bus Tick the target group no and provide them setting as same as below e g Select G1 16 and Tick Group 1 as above means the setting will only send to the units within the Data Logger Bus with Dip Switch setting no 1 SAKURA Total Air Conditioning Solution ...

Page 68: ...DRONIC CASSETTE 68 6 If more than 1 Data Loggers are used please enable the function of the other data logger s by first click the Select Group and click Select Group as same as below SAKURA Total Air Conditioning Solution ...

Page 69: ...group which has no connection to the BMS system as this will slow down the operation speed e g If there are only 2 data loggers connected to the BMS system which according to the Dip Switch setting is no 7 and no 10 respectively From the program as shows above please tick the group no 7 and group no 10 so that both no 7 and no 10 data loggers are functioning SAKURA Total Air Conditioning Solution ...

Page 70: ...DLY DELUXE SERIES HYDRONIC CASSETTE 70 8 Set the timer on off by clicking System select Set ON OFF as below SAKURA Total Air Conditioning Solution ...

Page 71: ...DLY DELUXE SERIES HYDRONIC CASSETTE 71 9 A box shows up with 7days selection Tick the desired date of week SAKURA Total Air Conditioning Solution ...

Page 72: ...selecting the desired date of week select the target unit either by a Group a particular unit or a unit range Tick the Auto On Off Time to set the on off timing of the desired date Click OK to apply the setting SAKURA Total Air Conditioning Solution ...

Page 73: ... position Check the room control Check fan motor Filter clogged Air flow obstructed Room control regulation Incorrect water temperature Air present Insufficient output Clean the filter Remove obstacles Check Check Vent Contact between metal parts Loose screws Noise and vibrations Check Tighten screws SAKURA Total Air Conditioning Solution SAKURA CORPORATION Tel 81 45 949 8550 Fax 81 45 949 8551 E ...

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