SPECIFICATION FOR APPROVAL Customer : STD Description : DC BLOWER Customer Part No. : Delta Model No. : BFN0724SS-01 Sample Issue No. : Sample Issue Date : APR.14 2017 REV. : REV. : 03 PLEASE SEND ONE COPY OF THIS SPECIFICAITON BACK AFTER YOU SIGNED APPROVAL FOR PRODUCTION PRE-ARRANGMENT. APPROVED BY: DATE : DELTA ELECTRONICS, INC. TAOYUAN PLANT 252, SHANG YING ROAD, KUEI SAN INDUSTRIAL ZONE TAOYUAN SHIEN, TAIWAN, R.O.C. TEL:886-(0)3-3591968 FAX:886-(0)3-3591991 *** SAMPLE HISTORY*** CUSTOMER: CUSTOMER P/N: DELTA MODEL: REV. STD BFN0724SS-01 DESCRIPTION 00 ISSUE SPEC DRAWN ME 05/24'16 05/24'16 CHECKED EE Motor 05/24'16 APPROVED ISSUE DATE 05/24'16 05/24'16 05/24'16 11/17'16 11/17'16 11/17'16 PAGE 1: ADD SAFETY CURRENT 11/17'16 11/17'16 11/17'16 PAGE 6: ADD SAFETY MARK CHANGE LABEL FOR SAFETY & 12/09'16 02 12/09'16 12/09'16 12/09'16 12/09'16 12/09'16 BARCODE 01 PAGE 5: CORRECT THE VALUES AND 03 UNITS OF AIR FLOW AND PRESSURE 03/27'17 03/27'17 03/27'17 03/27'17 03/27'17 03/27'17 Delta Electronics, Inc. No.252, Shanying Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) TEL : 886-(0)3-3591968 FAX : 886-(0)3-3591991 STATEMENT OF DEVIATION NONE DESCRIPTION: Delta Electronics, Inc. No.252, Shanying Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) TEL : 886-(0)3-3591968 FAX : 886-(0)3-3591991 Specification For Approval Customer : STD Description : DC BLOWER Customer P/N : rev. : Delta model no. : BFN0724SS-01 Delta Safety Model No.: N/A Sample revision. : 03 Sample issue date : APR.14 2017 Issue no.: Quantity : 1. SCOPE: THIS SPECIFICATION DEFINES THE ELECTRICAL AND MECHANICAL CHARACTERISTICS OF THE DC BRUSHLESS BLOWER. 2. CHARACTERS: GENERAL BLOWER SPECIFIC DATA (UN-CONTROLLED OPERATION, ALL READINGS ARE MEASUREDAFTER STABLY WARMING UP THROUGH 10 MINUTES ) ITEM MOTOR TYPE RATED VOLTAGE INPUT CURRENT (FREE AIR)(AVG) INPUT POWER(AVG) SPEED (FREE AIR) SPEED (MAX. STATIC PRESSURE) MAX. AIR FLOW (AT ZERO STATIC PRESSURE) MAX. AIR PRESSURE (AT ZERO AIRFLOW) LIFE EXPECTANCE (L10) (AT LABEL VOLTAGE) ROTATION DESCRIPTION BLDC 3PHASE / 6PULSE/4POLE 24V 1.50 (MAX. 1.80) A (SAFETY CURRENT ON LABEL : N/A) 36.0 (MAX. 43.2) W 3150010% R.P.M. 3600010% R.P.M. 511.407 (MIN. 460.266) L/MIN 18.06 (MIN. 16.25 ) CFM 49.936 (MIN. 40.443) cmH2O 19.66 (MIN. 15.92 ) inchH2O 15,000 HOURS CONTINUOUS OPERATION AT 25 C WITH 15 ~ 65 %RH. COUNTERCLOCKWISE (VIEW FROM INLET PLATE SIDE) (continued) PAGE 1 PART NO: DELTA MODEL: BFN0724SS-01 OPERATIING POINT 1 BLOWER SPECIFIC DATA RATED VOLTAGE MAX. CURRENT NOMINAL SPEED NOMINAL AIR FLOW 24 VDC MAX. 0.65 A 17300 RPM 23.7 2.5% LPM (WITH 4MM NOZZLE,WITHOUT AIR INLET NOMINAL BACK PRESSURE 1000 8% Pa (WITH NOMINAL SPEED AND NOMINAL AIR FLOW) ACOUSTICAL NOISE BLOWER PLACE ON 1mm THICK RUBBER PLATE AND 10cm THICK FOAM MATERIAL. THE INLET AND OUTLET OF BLOWER ARE BLOCKED. MICROFONE IN 0.5M DISTANCE ABOVE THE CENTER ON THE PLUG SIDE AT NOMINAL SPEED OF ABOUT 17300RPM. 38.0 (MAX.42.0) dBA LIFE TEST CONDITION IS AT FREE AIR 23000RPM (REF.) AIR FLOW MEASUREMENT CAN BE REFER TO FIG.A REFER TO ACOUSTICAL NOISE MEASURING CONDITION SHOWN IN PAGE 3. NOTES: 1. ALL READINGS ARE MEASURED AFTER STABLY WARMING UP THROUGH 10 MINUTES. 2. STANDARD AIR PROPERTY IS AIR AT (Td) 25C TEMP ERATURE, (RH) 65% RELATIVE HUMIDITY, AND (Pb) 760 mmHg BAROMETRIC PRESSURE. 3. THE VALUES WRITTEN IN PARENS , ( ), ARE LIMITED SPEC. 4. FAN DATA WITH CONTROLL BOARD (DELTA P/N: 5509562627) PAGE 2 PART NO: DELTA MODEL: BFN0724SS-01 ACOUSTICAL NOISE MEASURING CONDITION: NOISE IS MEASURED AT RATED VOLTAGE IN FREE AIR IN ANECHOIC CHAMBER WITH B & K SOUND LEVEL METER WITH MICROPHONE AT A DISTANCE OF 0.5 METER FROM THE FAN PLUG. PAGE 3 PART NO: DELTA MODEL: BFN0724SS-01 3.MECHANICAL: 3-1. DIMENSIONS-------------------------------------------- SEE DIMENSIONS DRAWING 3-2. FRAME------------------------------------------------------------------ PLASTIC 3-3. IMPELLER-------------------------------------------------------------- PLASTIC 3-4. BEARING SYSTEM--------------------------------------------- TWO BALL BEARINGS 3-5. WEIGHT--------------------------------------------------------------------- 230 GRAMS(REF.) 4. ENVIRONMENTAL: 4-1. OPERATING TEMPERATURE------------------------------- -10 TO +40 DEGREE C 4-2. STORAGE TEMPERATURE---------------------------------- -10 TO +70 DEGREE C 4-3. OPERATING HUMIDITY---------------------------------------------------- 5 TO 90 % RH 4-4. STORAGE HUMIDITY------------------------------------------------------ 5 TO 95 % RH 5. RE OZONE DEPLETING SUBSTANCES: 5-1. NO CONTAINING PBBs, PBBOs, CFCs, PBBEs, PBDPEs AND HCFCs. 6. PRODUCTION LOCATION 6-1. PRODUCTS WILL BE PRODUCED IN CHINA PAGE 4 PART NO: BFN0724SS-01 DELTA MODEL: 7. P & Q CURVE: 25 60 20 50 15 40 30 10 20 5 10 0 (cm H2O) 0 (INCH H2O) AIR PRESSURE 31,500RPM @ 24V 0.0 0.0 0.1 0.2 5.0 0.3 10.0 0.4 15.0 (L/MIN.) 0.5 20.0 AIR FLOW *TEST CONDITION: INPUT VOLTAGE-----OPERATION VOLTAGE TEMPERATURE-----ROOM TEMPERATURE HUMIDITY-----65%RH PAGE 5 (CFM) PART NO: DELTA MODEL: BFN0724SS-01 8. DIMENSION DRAWING: LABEL: NOTES: A. LEAD WIRE: UL3266 AWG22 PIN 1: BLACK WIRE PIN 2: RED WIRE PIN 3: BLUE WIRE B. LEAD WIRE: CIRCUITS FLAT RIBBON CABLE UL2651 AWG#28 PIN 1: RED WIRE PIN 2: GRAY WIRE PIN 3: GRAY WIRE PIN 4: GRAY WIRE PIN 5: GRAY WIRE PIN 6: GRAY WIRE C. HOUSING: AMP MICROMATCH 215083-6 D. HOUSING: MOLEX 22-01-3037 E. TERMINAL: MOLEX 08-50-0113 F. NTC 100K CONECTED TO GND P/N:NB12P00104JBB. (REFER APPENDIX FOR THERMISTOR CHARACTERISTIC) G. SCREW M2.5X10---4PCS (TIGHTENING TORQUE 2.5kg-cm) H. THIS PRODUCT IS RoHS COMPLIANT PAGE 6 PART NO: DELTA MODEL: BFN0724SS-01 9. MOTOR PHASE SCEQUENCE: PAGE 7 PART NO: DELTA MODEL: BFN0724SS-01 10. MOTOR DATA: MOTOR TYPE BLDC 3 PHASE/6PULSE/4POLE SENSOR SUPPLY RANGE 4.5-24 V SENSOR SUPPLY CHARGING RATE 24@Vcc=12V UDS(SAT)=<0.5V, IDMAX=20mA (OPEN DRAIN) SENSOR OUTPUT MOTOR DATA WITH CONTROLL BOARD CONTROLL BOARD P/N:5509562627 NOMINAL SUPPLY VOLTAGE 24V NOMINAL SPEED 30000 15% RPM NOMINAL TORQUE 10 mNm NOMINAL CURRENT 1.815% A NOMINAL OUTPUT POWER 32.0 W NO-LOAD SPEED 3800015% RPM NO-LOAD CURRENT 0.2025% A MAX. PERMISSIBLE STARTING TORQUE 50 mNm MAX. PERMISSIBLE STARTING CURRENT 7.5 A INDUCED VOLTAGE 0.637% V/1000min-1 TERMINAL INDUCTANCE(AT 1KHz , 1V) 0.2215% mH TERMINAL RESISTANCE 1.98 10% DIRECTION ROTATION CCW OPERATING TEMPERATURE RANGE 0~40 MASS 0.20010% Kg ROTOR INTERIA 1.183 X 10-6 Kgm2 INSTALLATION ABOVE SEA LEVEL <1000M INSULATION CLASS E 500VDC > 1M INSULATION RESISTANCE ELECTRIC STRENGTH OF WINDING >550VAC AIR-AND CREEPAGE DISTANCE DEGREE OF POLLUTION 2 DEGREE OF PROTECTION IP20 ALL NOMINAL DATA ARE RELATED TO AMBIENT TEMPERATURE T=23C AND WARMED UP MOTOR. PAGE 8 PART NO: DELTA MODEL: BFN0724SS-01 APPENDIX. TABLE1 SHOWS THE RELATIONSHIP BETWEEN TEMPERATURE AND RESISTANCE. TABLE1 THERMISTOR CHARACTERISTIC PAGE 9 Application Notice 1. Delta will not guarantee the performance of the products if the application condition falls outside the parameters set forth in the specification. 2. A written request should be submitted to Delta prior to approval if deviation from this specification is required. 3. Please exercise caution when handling fans. Damage may be caused when pressure is applied to the impeller, if the fans are handled by the lead wires, or if the fan was hard-dropped to the production floor. 4. Except as pertains to some special designs, there is no guarantee that the products will be free from any such safety problems or failures as caused by the introduction of powder, droplets of water or encroachment of insect into the hub. 5. The above-mentioned conditions are representative of some unique examples and viewed as the first point of reference prior to all other information. 6. It is very important to establish the correct polarity before connecting the fan to the power source. Positive (+) and Negative (-). Damage may be caused to the fans if connection is with reverse polarity, if there is no foolproof method to protect against such error specifically mentioned in this spec. 7. Delta fans without special protection are not suitable where any corrosive fluids are introduced to their environment. 8. Please ensure all fans are stored according to the storage temperature limits specified. Do not store fans in a high humidity environment. We highly recommend performance testing is conducted before shipping, if the fans have been stored over 6 months. 9. Not all fans are provided with the Lock Rotor Protection feature. If you impair the rotation of the impeller for the fans that do not have this function, the performance of those fans will lead to failure. 10. Please be cautious when mounting the fan. Incorrect mounting of fans may cause excess resonance, vibration and subsequent noise. 11. It is important to consider safety when testing the fans. A suitable fan guard should be fitted to the fan to guard against any potential for personal injury. 12. Except where specifically stated, all tests are carried out at room (ambient) temperature and relative humidity conditions of 25oC, 65% RH. The test value is only for fan performance itself. 13. Be certain to connect an " 4.7F or greater" capacitor to the fan externally when the application calls for using multiple fans in parallel, to avoid any unstable power. Doc. No: FMBG-ES Form 001 Rev. 0001 Date: June 24, 2009