BI_BIRM_UserGuide
Contents
1. HVAC propuct PETAL 009 226 782 290 YOLOW 10 0W 6221 poseg NOIL9J73S 379Y1 Page 3 of 4 BI_BIRM_UserGuide DELE HVAC propuc gt MAINTENANCE Ensure power supply is disconnected and locked out prior to performing maintenance 1 Inspect and tighten the wheel set screw after the first 50 to 100 hours of operation and periodically thereafter 2 Follow the motor manufacturer s instructions for motor lubrication Remove any excess lubrication 3 Drives A Check belt tension and alignment replace cracked or worn belts If it is necessary to replace one belt on a multiple belt drive replace all the belts with a matched set Under normal conditions no re lubrication is the rule The bearing lubricant cavity is 1 3 1 2 filled as Shipped from the factory Never lubricate new bearings Tighten set screws on sheaves wheel and bearing locking collars 4 Clean the blower wheel periodically Material build up on the blades can cause wheel imbalance which may result in wheel or motor bearing failure 5 Generally bearings should be lubricated at six to twelve month intervals Recommended lubricants are a Imperial Oil ESSO Beacon 325 or b Shell Oil Alvania Grease 3 A small amount of grease should be added slowly when the shaft is rotating Note Over greasing may cause damage to the beari2. YCANARM BI SERIES UTILITY BLOWERS Operation Instructions amp Parts Manual MODELS 10 BI 36 BI 10RM BI 36RM READ AND SAVE THESE INSTRUCTIONS GENERAL SAFETY Rotating parts on fans should not be exposed Where these components are not protected by ductwork cabinets or covers appropriate guards should be employed to restrict exposure to rotating parts Access doors should not be opened with the fan operating to avoid foreign objects being drawn into the system On initial start up a careful inspection should be carried out to ensure no foreign material is present which could become airborne in the system Read installation and operation instructions carefully before attempting to install operate or service Canarm Delhi BI BI RM series blowers Failure to comply with instructions could result in personal injury and or property damage UNIT DESCRIPTION Canarm Delhi BI series blowers are specifically designed as a quiet and efficient blower The BI series incorporates a backwardly inclined blade configuration to generate air moving performance The BI series are single inlet blowers which have a standard CCW rotation and bottom horizontal discharge The discharge direction may be easily altered to any one of eight positions without removal of the wheel venturi or housing Complete access for motor and drive installations and servicing may be completed by partial removal of the drive compartment cover assem
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4. bly Pre lubricated ball bearings motor adjustment hardware and a dynamically balanced wheel are standard equipment Operating temperature range is 65 to 220 deg F MODEL HP SHAFT DIAMETER WEIGHT ALL SHAFTS KEYWAYED FIGURE 1 UNIT DESCRIPTION Inspect unit for damage and report any shipping damage to carrier Check all fasteners and re tighten as required Rotate the blower wheel by hand to ensure free rotation If rubbing occurs loosen the inlet venturi bolts re position the venturi to establish clearance re tighten bolts BI_BIRM_UserGuide Page 1 of 4 YCANARM HVAC propucs gt INSTALLATION Secure the exhauster to the curb cap or sleepers supplied by others through the 3 4 diameter holes provided in the base of the motor compartment and leg For proper motor compartment ventilation if the unit is mounted on a floor or solid surface provide a minimum 1 clearance to the motor cabinet bottom Install spring isolators or duct isolators where required 2 Complete all subsequent duct connections 3 Rotate the blower wheel by hand It should not rub against the housing inlet If rubbing occurs loosen the setscrews on the wheel hub and shift the wheel to obtain clearance Re tighten all set screws 4 Insert the four motor nuts and bolts up through the bottom of the sliding motor platform to match the bolting configuration of the motor to be install
5. ed The master hole for smaller motor frames is located at the top left hand corner of the motor platform furthest from the blower housing The master hole for 213T 215T and 254T frame motors is 2 inset from the fore mentioned master hole for smaller frame motors 5 Mount the blower sheave on the blower shaft and tighten its set screw securely on the key of the shaft See Table 1 for drive data 6 Mount the motor sheave on the motor shaft Leave some clearance between the pulley and the motor end bell Tighten the set screws on the key of the motor shaft 7 With the motor platform in its highest position install the V belt within the sheave grooves Adjust the sheave on the blower shaft to ensure proper pulley alignment see figure 2 and secure in place A straight edge across the face of the driven pulley should be parallel to the belt once proper alignment has been achieved WARNING Excessive belt tension is the most frequent cause of bearing wear and resulting noise Proper belt tension is critical for quiet efficient operation CORRECT WRONG WRONG FIGURE 2 PULLEY ALIGNMENT 8 Loosen the four clamping bolts around the motor platform and slide the motor platform within the slotted rails to adjust belt tension Ideal belt tension is the lowest tension at which the belt will not slip during start up As rule of thumb suggests that 3 4 of deflection mid span under medium finger pressure 2 3 lbs for every foot of span is a
6. ng Avoid rupturing the bearing seal 6 To reinstall replacement ball bearings press the locking collar against the inner ring of the bearing and turn in the direction of the shaft rotation until engaged Insert a drift pin into the pin hole and tap lightly to set Tighten setscrew on locking collar firmly 7 Should further service to the blower be necessary refer to the exploded view illustration Figure 3 PARTS LIST 1 INLET VENTURI C W INLET RING 4 BLOWER HOUSING ve COVER 3 REMOVABLE PANELS 2 SHAFT KEYWAYED BOTH ENDS 5 MOTOR COMPARTMENT 8 M PLATFORM 3 BACKWARD INCLINE WHEEL 6 PILLOW BLOCK BALL BEARINGS 9 ACCESS DOOR OPTIONAL STD BI RM 10 DRAIN 2 DIA EXT OPTIONAL STD BI RM FIGURE 3 EXPLODED VIEW WARRANTY Canarm Ltd Air Moving products are guaranteed for a period of one year against manufacturing defects in material and workmanship when operating under normal conditions Liability is limited to the replacement of defective parts Labour and transportation costs are not included CANARM LTD Corporate Office 2157 Parkedale Avenue Box 367 Brockville ON Canada K6V 5V6 Tel 613 342 5424 Fax 1 800 263 4598 www canarm com hvacsales canarm ca BI_BIRM_UserGuide Page 4 of 4
7. pproximately proper belt tension Tighten the motor platform clamping bolts once proper belt tension has been achieved ELECTRICAL WARNING Ensure power supply is disconnected and locked out prior to making electrical connections Before connecting the motor to the electrical supply check the electrical characteristics and wiring instructions as indicated on the motor nameplate or as shown below Complete electrical connections as indicated WARNING A ground wire must be connected from the motor housing to a suitable electrical ground OPERATION After electrical connections are completed energize the unit momentarily and ensure that the rotation of the wheel is correct Apply full power 2 With the air systems in full operation and all ducts and access panels attached measure current input to the motor and ensure that it is less than the rated full load motor amperage 3 Proper adjustment to the belt tension is critical for quiet efficient operation BI_BIRM_UserGuide Page 2 of 4 AU 19431 104 BADGE UMOYS py 01 978 592182 816 192 5 9 819 905 3502 8 zexa esa 8 veg vexa 2898 82121 997 505799 gt 0898 20028 2298 261 801 59882 O
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