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Summary of Contents for Trane QFNA-IOM-1
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Page 2: Table Of Contents
Overheated Bearing ......30 High Temperatures ......30 QFNA-IOM-1... - Page 3 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 IOPT IB OOPT SH STPR 2.5 FCFM 30000 RPMF 1421 BHPF 22.4 Continued on next page QFNA-IOM-1...
- Page 4 Continued on next page QFNA-IOM-1...
- Page 5 QFNA-IOM-1...
- Page 6 None Special QFNA-IOM-1...
- Page 7 QFNA-IOM-1...
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Page 8: Warnings And Cautions
Model Q fans are shipped cautions and all warning labels on assembled except for some motor the unit: Trane Model Q fans and Super Q and drive selections that are not II Fans are dynamically balanced, mounted for shipping reasons or... -
Page 9: Storage
For extended storage or storage under severe conditions: • As often as once a month, purge the bearings with fresh grease to prevent moisture or dirt from accumulating in the bearing. • See Maintenance Section of this manual. QFNA-IOM-1... -
Page 10: Clearances
1/2 the must be mounted horizontally. fan wheel diameter away from a When ceiling suspension is wall or obstruction. required, the fan must be set on an integral base which is hung from the ceiling. QFNA-IOM-1... -
Page 11: Arrangement 9
*NA - This combination of arrangement, class and size is not available. QFNA-IOM-1... - Page 12 Locate the edge of the rear panel assembly on gasketing approximately 1/4" from the drive hole. Refer to Figure 7. Center the rear panel over the drive hole in the shell and secure with the self-drilling screws provided as shown in Figure 8. QFNA-IOM-1...
- Page 13 QFNA-IOM-1...
- Page 14 Tighten the belts slightly and manually rotate the drive several times. As a check, on multiple belt drives, determine that the force of 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.
- Page 15 Move wheel gently against bar stock pieces. Tighten setscrew and remove bar stock pieces. See Figure 11. QFNA-IOM-1...
- Page 16 .030 to .075 .030 to .075 .030 to .075 .030 to .075 .035 to .080 .040 to .085 .045 to .090 .050 to .095 .055 to .100 .065 to .110 5/16 7/16 9/16 5/16 7/16 9/16 FNA-IOM-1...
- Page 17 An open fan inlet should never be closer than one fan diameter from a bulkhead. Use an inlet BELL for open inlet applications to maintain rated performance for sizes 49 through 60 only. QFNA-IOM-1...
- Page 18 (provided in the bag attached to the unit) to cover the holes. Hang ceiling supported units with four 3/4-inch steel rods, one connected to each corner of the support rail. Use large heavy gauge washers to insure the unit remains attached to the rods. QFNA-IOM-1...
- Page 19 Use same drill and fastener size as above. 4. Weld or fasten corners of the bracket together and attach isolator(s). 5. Use two isolators for size 49 through 60 only. Size 16 through 44 uses one isolator mounted in the center. QFNA-IOM-1...
- Page 20 8-1/4 turns - - Motor nameplate fan bearings and motor (bearings states 1750 RPM. may run warm during break in). 16-44 All Speeds 5 Mils 49-60 Up to 1000 4 Mils 49-60 1000 & Up 3 Mils QFNA-IOM-1...
- Page 21 Q II Fan is shown in Table 9. lubrication. For any conditions not covered in this table, consult The Trane Company. Inspect the base for freedom of movement and the bolts for tightness. Springs should be inspected for cracks and fatigue and replaced if necessary.
- Page 22 QFNA-IOM-1...
- Page 23 QFNA-IOM-1...
- Page 24 QFNA-IOM-1...
- Page 25 4. Bolt flanged housing to support and check freedom of rotation. See Table 10 for torques. 5. Tighten self-locking cup point setscrews securely onto the shaft. See Table 10 for torques. QFNA-IOM-1...
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Page 26: Wheel Alignment
After installing or readjusting bearings, wheel alignment and tip clearances must always be rechecked. P-327 1-11/16 P-331 1-15/16 P-335 2-3/16 7/16 P-349 2-7/16 7/16 P-343 2-11/16 P-347 2-15/16 P-355 3-7/16 1350 P-359 3-11/16 1350 QFNA-IOM-1... - Page 27 6823 - 6828 1-7/16 - 1-3/4 0.0010 0.0015 6829 - 6844 1-13/16 - 2-3/4 0.0010 0.0020 6845 - 6868 2-13/16 - 4-1/4 0.0015 0.0025 6869 - 6892 4-5/16 - 5-3/4 0.0020 0.0030 6893 - 68104 5-13/16 - 6-1/2 0.0025 0.0035 QFNA-IOM-1...
- Page 28 P-LB 6853 thru P-LB 6856 3-5/16 - 3-1/2 160 -180 P-LB 6857 thru P-LB 6864 3-9/16 - 4 90 - 100 P-LB 6865 thru P-LB 6872 4-1/16 - 4-1/2 160 - 180 P-LB 6873 thru P-LB 68104 4-9/16 - 6-1/2 400 - 440 QFNA-IOM-1...
- Page 29 This table is intended as a diagnostic aid only. For detailed diagnostics and repair, contact your local Trane Service Company. — Excessive vibration or noise (See Table in General Maintenance section)
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Page 30: Inlet Vanes
1. Fan speed above design 7. Inadequate lubrication 2. Static pressure above design 1. Leaks or obstructions in duct system 2. Access door open 3. RPM too low 4. System resistance higher than design 5. Variable inlet vanes partially closed QFNA-IOM-1...
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