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MXI

Mixed Flow Inline Fan

OPERATION & MAINTENANCE MANUAL

Please read and save these instructions. Read carefully before attempting 

to assemble, install, operate or maintain the product described. Protect 

yourself and others by observing all safety information. Failure to comply 

with instructions could result in personal injury and/or property damage! 

Retain instructions for future reference.

IMPORTANT! Read before proceeding!

Summary of Contents for MXI Series

Page 1: ...ly before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could result in personal injury and or property damage Retain instructions for future reference IMPORTANT Read before proceeding ...

Page 2: ...BLE OF CONTENTS GENERAL SAFETY INFORMATION 3 4 GENERAL INFORMATION 5 LIFTING INFORMATION 6 DUCT INSTALLATION 6 DRAINAGE PIPE TRAP DETAIL 7 ELECTRICAL CONNECTIONS 8 13 PRE START UP CHECKS 14 15 MAINTENANCE 16 17 ACCESSORY 18 ...

Page 3: ...units can void the warranty provisions If units are damaged in transit it is the responsibility of the receiver to make all claims against the carrier PennBarry is not responsible for damages incurred during shipment Avoid severe jarring and or dropping Handle units with care to prevent damage to components or finishes If the unit is scratched due to mishandling the protective coating may be damag...

Page 4: ... re lubricated Refer to the specific bearing lubrication instructions located on the fan housing for the type of lubricant to use 2 Motor bearings should be lubricated as recommended by the motor manufacturer Removing from Storage Fans should be hoisted with slings placed around the fan housing When a single hoist is used a spreader will keep the sling from slipping on the housing Fans must be pro...

Page 5: ... parts Any moving parts on the unit must have covers or guards to protect any servicers or personnel These guards are to be installed in accordance with local codes The fan wheel must be secured before performing any maintenance on the unit damage to the wheel is possible if this precaution is not taken Guards Motor Weather cover All parts of the unit including guards and covers must be installed ...

Page 6: ... coatings and paints are involved Rubber phenolic enamels etc require special care as they may easily be damaged by contact in lifting Even a small chip will destroy the corrosion prevention seal of the coating and allow corrosion to start Always repair scratched surfaces with touch up of like coating prior to installation Slip fit duct connections are available at both the inlet and outlet connec...

Page 7: ...of any condensation collected in the unit 1 Drain connections are 3 4 inch NPT 2 Drain piping installed must have proper slope 3 P traps are to be filled to proper level prior to unit start up Positive Pressure Trap on Tubular Fan Housing N Fluid displacement based on system pressure field determined H N 1 25 minimum H 2 H 2 H 1 25 inch minimum N FAN ON FAN OFF Connect this end to fan drain ...

Page 8: ... within visible sight of the unit and if at all possible it should be mounted on the unit itself ELECTRICAL CONNECTIONS Warning follow state and local electrical codes WARNING Single Phase Belt Drive LINE IN 115 208 230 277 volt single phase SERVICE SWITCH 115 208 230 277 volt Single phase 115 208 230 277 volt Single phase Service switch is mounted to fan housing MOTOR Three Phase Belt Drive LINE ...

Page 9: ...ENABLE SIGNAL MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER S SCHEMATIC VSC VSA GND FACTORY INSTALLED JUMPER GND J BOX GND U V W W V U L1 L2 L3 1 2 6 3 4 5 7 8 9 10 11 L3 L2 L1 GND L1 L2 L3 L1 L2 L3 MOTOR SPEED CONTROL PANEL AC Motor Com 10 VDC 1 2 JUMPER MAY BE REMOVED IN FAVOUR OF ENABLE SIGNAL MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER S SCHEMATIC ...

Page 10: ...om 10 VDC 1 2 JUMPER MAY BE REMOVED IN FAVOUR OF ENABLE SIGNAL MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER S SCHEMATIC GND FACTORY INSTALLED JUMPER GND J BOX VSC VSA U V W W V U L1 L2 L3 1 2 6 3 4 5 7 8 9 10 11 L3 L2 L1 GND L1 L2 L3 MOTOR SPEED CONTROL PANEL AC Motor Com 10 VDC 1 2 JUMPER MAY BE REMOVED IN FAVOUR OF ENABLE SIGNAL MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW V...

Page 11: ...11 FACTORY INSTALLED JUMPER 12 13 27 29 30 28 14 15 19 16 17 18 20 21 22 23 24 25 26 31 33 34 32 1 2 3 CONNECT BATTERY SET DEEP SWITCH 3 TO ON POSSITION VERIFY JUMPER IS FIRMLY SECURED L1 L2 L3 AC Motor MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER S SCHEMATIC GND J BOX U V W W V U L3 L2 L1 GND L1 L2 L3 GND Com 10 VDC 13 20 JUMPER MAY BE REMOVED IN FAVOUR OF ENABLE SIGNAL VS3...

Page 12: ...LTAGE PER MANUFACTURER S SCHEMATIC GND GND J BOX VS3 1 2 6 3 4 5 7 8 9 10 11 FACTORY INSTALLED JUMPER 12 13 27 29 30 28 14 15 19 16 17 18 20 21 22 23 24 25 26 31 33 34 32 1 2 3 CONNECT BATTERY SET DEEP SWITCH 3 TO ON POSSITION VERIFY JUMPER IS FIRMLY SECURED L3 L2 L1 GND DISCONNECT BOX L1 L2 L3 L3 L2 L1 GND AC Motor MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER S SCHEMATIC GN...

Page 13: ...ctory Wired Field Wired Wire Nut Notes L1 L2 L3 L3 L2 L1 GND AC Motor MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER S SCHEMATIC GND J BOX L3 L2 L1 GND DISCONNECT BOX Three Phase with No Speed Control W Disconnect Direct Drive ...

Page 14: ... or backwards until the correct overlap is achieved and then tighten the set screws back down There is a rotation sticker on the unit that specifies the direction the wheel should turn Ensure that the wheel is rotating in the proper direction before powering on the unit In 3 phase units simply switch two incoming leads to reverse rotation PRE START UP CHECKS Airflow A Notes Any increase in fan spe...

Page 15: ... properly sized for power Motor is properly grounded All leads are properly insulated Trial bump Turn on power just long enough to start assembly rotating Check rotation for agreement with rotation arrow Perform checklist again until unit is operating properly Verify fastener tightness These may have loosened during shipment or installation Bolts on inlet funnel Motor bolt torque Nuts holding hous...

Page 16: ...ve torque checked at every scheduled maintenance MOTORS Most fractional horsepower motors provided with the unit do not require greasing or lubrication after they are installed If motors have grease fittings then they should be re lubricated according to motor manufacturer specifications REMOVAL OF DUST AND DIRT The impeller and interior surfaces of the unit should be inspected and cleaned if nece...

Page 17: ...recommended to free up grease in the bearing Lubrication interval is based on 12 hour per day operation and maximum 160 F housing temperature For 24 hour per day operation the interval should be cut in half Lubricant should be added with the shaft rotating and until clean grease is seen purging from the bearing The lubrication interval may be modified based on the condition of the purged grease If...

Page 18: ...llation of the transducer follow the installation instructions located at 5 Q K p Q Volumetric flow rate CFM p Differential Pressure inWC K Fan constant as noted in table Fan Size K 122 2512 135 3336 150 4286 165 5236 182 6313 200 7453 222 8847 245 10304 270 11887 300 13787 330 15688 365 17905 402 20248 445 22972 490 25823 542 29117 600 32791 HIGH PRESSURE SIDE LOW PRESSURE SIDE TUBE TO DIFFERENTI...

Page 19: ...anual illustrates the appearance of PennBarry products at the time of publication View the latest updates on the PennBarry website 2018 PennBarry All Rights Reserved Revised June 2019 PennBarry is proud to be your preferred manufacturer of commercial and industrial fans and blowers Learn how PennBarry can assist you in your next application by contacting your PennBarry Representative or visiting u...

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