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Installation QFNA-IOM-1
Library Service Literature
Product Section Air Handling
Product Fans
Model Q Fan and Super Q II Fan
Literature Type Installation/Operation/Mainteance
Sequence QFNA-IOM-1
Date August 1997
File No. SV-AH-FAN-QFNA-IOM-1-897
Supersedes FAN-IM-3-975
Model Q Fan and
Super Q II Plus
X39640481-01
Since the Trane Company has a policy of continuous product improvement, it reserves the right to change specifications
'American Standard Inc. 1997 and design without notice. The inst
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Table of Contents Subject Page Model Number ............................ 3-7 General Information .......................... 8 Literature Change History ...................... 8 About this Manual .......................... 8 Warnings and Cautions ....................... 8 Shipping, Rigging and Handling ................... 9 Storage................................ 9 Installation - Q Fan...................... 10 Provide a Found
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Model Number Model Number Description An example of a typical service model number for a Q Fan is shown below. The fan model number is located on the unit nameplate. Table 1 provides model information on both Q Fans and Super Q II Fans. Service Model QFCA4092HE0RE11NFFCAN000000000L Number Table 1 Model Number Information for Q Fans and Super Q II Fans Product Description MODEL QFNA TYPE SQ2 SIZE 40 ARRG 9 CLAS 2 UORT H DSEQ E0 MTRS TT MTYP PO18 MSHP 30 VOLT 460 MOLO R GRSL N DTYP C1.5 WBAL FACT
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Model Number Table 1 Model Number Information for Q Fans and Super Q II Fans (Continued) Selection Description of Selection Model Digit Category Number Upblast Unit U Downblast Unit D Orientation 9 Horizontal Unit H Special S Design EO 10-11 Sequence Bottom B Left L Motor 12 Right R Location Top T Special S Inlet Vanes A Inlet Screen B Inlet Flange D Inlet Bell E Inlet 13 Inlet Bell with Inlet Screen F Option Short Inlet Silencer 1 Long Inlet Silencer 2 Special S None 0 Outlet Duct Equalizer A O
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Model Number Table 1 Model Number Information for Q Fans and Super Q II Fans (Continued) Description of Selection Model Digit Selection Category Number 0.5 A 0.75 B 1C 1.5 D 2E 3F 5G 7.5 H Motor 10 J 16 Horsepower 15 K 20 L 25 M 30 N 40 P 50 Q 60 R 75 T Special S ODP Motor 1800 RPM 1 Speed, 1 Winding A ODP Motor High Efficiency 1800 RPM 1 B 1 Winding ODP Motor High Efficiency 1800/1200 RPM 2 C Speed, 2 Winding ODP Motor High Efficiency 1800/900 RPM 2 D Speed, 1 Winding ODP Motor High Efficiency
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Model Number Table 1 Model Number Information for Q Fans and Super Q II Fans (Continued) Selection Category Description of Selection Model Number Digit Constant Pitch Drive with 1.2 Service Factor A Constant Pitch Drive with 1.4 Service Factor B Constant Pitch Drive with 1.5 Service Factor C Drive Variable Pitch Drive with 1.2 Service Factor D 19 Type Variable Pitch Drive with 1.4 Service Factor E Variable Pitch Drive with 1.5 Service Factor F Special S Inverter Factory Balanced A Inverter Inver
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Model Number Table 1 Model Number Information for Q Fans and Super Q II Fans (Continued) Selection Description of Selection Model Digit Category Number Fan Insulation 1 Fan and Accessories Insulation 2 Insulation 26 None 0 Special S Double Acoustic A Enhancement 27 None 0 Special S Access Door Motor Side 1 Access Door Opposite Motor Side 2 Access Door 90 ° Right of Motor 3 Access Door 28 Access Door 90 ° Left of Motor 4 None 0 Special S Drain A Drain None 0 29 Special S Inlet Mounting Leg A Moun
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General Information Literature Change History Warnings and Cautions Accessories are mounted to the fan at the factory with the following QFNA-IOM-1 (August 1997) Notice that WARNINGS and exceptions: Manual supersedes FAN-IM-3 CAUTIONS appears at (975), reflecting ABU support of appropriate intervals throughout A. Inlet Vane Option (Shipped the Q fans and Super Q fans. this manual. WARNINGS are from mfg. to job site) General update. provided to alert installing B. Silencer Option (Shipped from c
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Shipping, Rigging and Handling Storage All Model Q and Super Q II fans are shipped on skids to minimize The following criteria should be possible damage in transit. met when storing the unit. Caution: Note: Protect the unit from the NEVER LIFT A UNIT BY THE elements. BEARING BRACKETS, MOTOR BRACKETS, OR OTHER ACCESSORIES. NEVER Where outside storage is FORKLIFT THE UNIT BY THE necessary, several precautions HOUSING. Failure to handle are needed. properly will damage the unit. First cover the i
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Installation Q Fan Arrangement 1: For units size Provide a Foundation 27-44, Class I and II Most units will be mounted to or Use an integral steel or concrete hung from a concrete structure. If base rather than individual mounted to a steel structure, the isolators. Mount the fan mounting structure should be horizontally as shown in Figure 2. welded. Table 2 refers to unit weights. Arrangements 1 and 9: For units size 16-44, Class Ill Isolate the Fan Provide a rigid integral steel base or, pref
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Installation Q Fan Table 2 - Unit Weight (Less Motor, Drive, Accessories and Shipping Package) Arrangement 9 Arrangement 1 Class I Class II Class II Class III Unit Size Class I 16 125 135 *NA *NA 155 19 165 180 NA NA 200 21 190 210 NA NA 230 24 220 255 NA NA 285 27 260 300 NA 315 335 30 325 375 NA 385 415 33 410 465 425 480 515 36 525 600 545 615 655 40 690 775 705 790 830 44 920 1010 920 1025 1070 49 1020 1075 NA NA NA 54 1090 1140 NA NA NA 1730 1830 NA NA NA 60 Note: *NA - This combination of
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Installation Q Fan Arrangement 1 Installation of Motor and Caution: Beltguard When NOT Remove the motor pedestal When the customer is providing support and belt guard from the Factory Installed drives and/or motor, the Trane top of the unit and bolt the F Company will not assume any Arrangement 9 shaped pedestal support to the responsibility for damages unit as illustrated in Figure 2. occurring due to selected 1. Remove the belt guard from Mount slide rail base to pedestal. drives or motors.
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Installation Q Fan Figure 3Shows Motor Mount Figure 4Motor Rotation Inlet End Angle Adjustment Inlet Side View Airflow Figure 6Motor and Sheave Arrangement Figure 5Belt Guard Disassembled Figure 8Fan Discharge Figure 7Rear Side Assembly of Belt Guard QFNA-IOM-1 13
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Installation Q Fan Installation of Motor and Tighten the belts slightly and Beltguard When NOT manually rotate the drive several times. As a check, on multiple belt Factory Installed drives, determine that the force of Arrangements 1 and 9 deflection is approximately the same by pushing each belt in an Remove the discharge cone equal distance at a point halfway covering the fan shaft. Check the between the sheaves. sheave bore for burrs and lubricate for easier mounting. Do After realignment, t
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Installation Q Fan Wheel Alignment Arrangements 1 and 9 Figure 10Front Bearing Bracket Manually rotate the fan wheel to be sure that it turns freely. The tip clearances are set in the factory and normally do not require readjustment. to determine if adjustment is required, measure and record the clearances between wheel and housing at six equally spaced intervals around the inside of the fan housing. Clearances should be measured at the leading and lagging edge of the blade tip. If adjustment
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Installation Q Fan Table 3Tip Clearance Between Wheeland Housing Class 1, 2 and 3 Unit Tip Clearance Size (Inches) 16 .030 to .075 19 .030 to .075 21 .030 to .075 24 .030 to .075 27 .035 to .080 30 .040 to .085 33 .045 to .090 46 .050 to .095 40 .055 to .100 44 .065 to .110 Table 4Recommended Torques for Wheel Bolts (Wheel Bolts are on Fan Sizes (49-60 Only) Bolt Dia. Torque Ft/Lb (Inches) 1/4 6 5/16 12 3/8 24 7/16 52 1/2 69 9/16 99 5/8 150 Table 5Nut and Bolt Torque Requirements for Fan Hou
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Installation Q Fan Q Fan Duct Connections Flexible connections are Note: Flanged connections require recommended for quiet operation an inlet or outlet flange accessory. To maintain catalog performance and are required for units mounted there must be a minimum of three on vibration isolators. Flexible Access doors should be provided in fan diameters of straight duct on the connections should be fastened to the inlet and outlet ducts if the fan inlet and minimum of one fan the inlet or outlet so
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Installation Super Q II Preparation for Mounting Floor Mounting Lift the unit into position with a Before unit startup, always crane or forklift. Crane lift from the remove the shipping hold-down ends of the support rails using a screws from the bottom of the unit spreader bar. When using a fork, to free the isolators. There is one lift from under both support rails. screw at each end of the hat section. Use the plug buttons Ceiling Mounting (provided in the bag attached to the unit) to cover t
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Accessories Installation Inlet Vanes Silencer Outlet silencer has a movable Q Fan and Super Q II Fan cylinder. The inner cylinder has Caution: either sheet metal screws or is Due to the size of the equipment, Plus Duct Silencers, when spot welded. Remove the sheet reasonable care must be taken ordered, are shipped loose from metal screws from the silencer when loading, unloading, the manufacturer and are field center body or break the spot handling and installing the inlet installed. welds wit
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Start-Up Q Fans and Super Q II Start-Up Procedures Vibration is the most common Tighten the belts slightly and problem encountered during start-up. manually rotate the drive several The following items must be If the vibration is significant, it must times. checked before initial start-up of be corrected before allowing the fan the fan: On multiple belt drives, determine to operate continuously. See Table 8. that the force of deflection is 1. Check all bolts, setscrews, and approximately the
