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MXI
Mixed Flow Inline Fan
OPERATION & MAINTENANCE MANUAL
IMPORTANT! Read before proceeding!
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.
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Summary of Contents for PennBarry MXI Series
- Page 1 Mixed Flow Inline Fan OPERATION & MAINTENANCE MANUAL IMPORTANT! Read before proceeding! 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS GENERAL SAFETY INFORMATION GENERAL INFORMATION LIFTING INFORMATION DUCT INSTALLATION DRAINAGE PIPE/TRAP DETAIL ELECTRICAL CONNECTIONS 8-13 PRE-START-UP CHECKS 14-15 MAINTENANCE 16-17 ACCESSORY www.PennBarry.com... -
Page 3: General Safety Information
Special circumstances such as high winds or wet surfaces must be considered when installing the unit. Contact a PennBarry engineer if any questions or issues arise or if any other information is needed before installing or maintaining the fan. - Page 4 Ensure that all fasteners, fittings, screws, etc. are tightened to recommended specifications. Make sure that no parts or objects are rubbing on the fan wheel as it is turned. Notes: This document is applicable for the following PennBarry models. MXI-122...
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Page 5: General Information
The figure below is an example of a PennBarry unit nameplate. It includes all of the specifications of the unit, as referenced above. When contacting your PennBarry representative, please have the information on the nameplate readily available, as this will help to streamline your help request. -
Page 6: Lifting Information
Slip-fit duct connections are available at both the inlet and outlet connections. Fan may be installed directly onto the ducting by slipping over the connecting duct. Some applications may require the use of flanged connections or flexible duct connections, both of which are accessories offered by PennBarry. For vertical applications, a flanged connection type is preferable. www.PennBarry.com... -
Page 7: Drainage Pipe/Trap Detail
P traps are to be filled to proper level prior to unit start up. Positive Pressure Trap on Tubular Fan Housing 1.25 inch Connect minimum this end to fan drain. FAN OFF FAN ON N = Fluid displacement based on system pressure (field determined) H = N + (1.25" minimum) www.PennBarry.com... -
Page 8: Electrical Connections
LINE IN 208/230/460/575 volt, three phase supplied and wired by others Service switch is mounted to fan housing SERVICE SWITCH 208/230/460/575 volt Three phase Three Phase with Variable Frequency Drives Belt Drive MOTOR 208/230/460/575 volt 60 cycle, three phase www.PennBarry.com... - Page 9 BE REMOVED IN FAVOUR OF ENABLE SIGNAL MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER'S SCHEMATIC Motor MOTOR SPEED CONTROL PANEL J-BOX Three Phase with VSC/VSA IP20 W/Disconnect Direct Drive Notes: Factory Wired Field Wired Wire Nut www.PennBarry.com...
- Page 10 BE REMOVED IN FAVOUR OF ENABLE SIGNAL L1 L2 L3 MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER'S SCHEMATIC Motor J-BOX Three Phase with VSC/VSA IP66 W/Disconnect Direct Drive Notes: Factory Wired Field Wired Wire Nut www.PennBarry.com...
- Page 11 13 - 20 JUMPER MAY BE REMOVED IN FAVOUR OF ENABLE SIGNAL MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER'S SCHEMATIC Motor J-BOX Three Phase with VS3 W/Disconnect Direct Drive Notes: Factory Wired www.PennBarry.com Field Wired Wire Nut...
- Page 12 DISCONNECT BOX Motor J-BOX Wiring Diagram VS3 W/Disconnect MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER'S SCHEMATIC Motor J-BOX Three Phase with No Speed Control No Disconnect Direct Drive Notes: Factory Wired Field Wired Wire Nut www.PennBarry.com...
- Page 13 ELECTRICAL CONNECTIONS MOTOR MUST BE WIRED TO HIGH VOLTAGE OR LOW VOLTAGE PER MANUFACTURER'S SCHEMATIC Motor DISCONNECT BOX J-BOX Three Phase with No Speed Control W/Disconnect Direct Drive Notes: Factory Wired Field Wired Wire Nut www.PennBarry.com...
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Page 14: Pre-Start-Up Checks
Notes: Any increase in fan speed represents a substantial increase in horsepower required from the motor. Always check motor load amperage and compare to nameplate rating when changing fan speed. Gap/ overlap dimensions Size Inlet Venturi to Wheel Overlap Dimensions A (inches) 0.39 0.43 0.46 0.47 0.51 0.57 0.66 0.76 0.83 0.92 1.02 1.12 1.27 1.33 1.49 1.65 1.98 www.PennBarry.com... - Page 15 Bushing fastener torque. C Bushing screws Ensure piezo tubing will not contact the impeller. C Bushing fastener torque Bushing type Screw size Recommended torque 5/16 - 18 192 in-lbs 3/8 -16 348 in-lbs 3/8 -16 348 in-lbs 1/2 -13 840 in-lbs www.PennBarry.com...
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Page 16: Maintenance
FAN SHAFT BEARINGS Bearings selected for Pennbarry fans are specially paired with the unit to achieve the maximum attainable efficiency and performance of the fan. As such, they are one of the most crucial parts of the fan and must be maintained and mounted accordingly. - Page 17 Never mix lubricants or greases while re-greasing bearings; check bearing specifications for the correct grease recommended by the manufacturer. • Lubrication intervals depend on many factors such as temperature, moisture, or dirt. Consult a local PennBarry representative for lubrication recommendations. •...
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Page 18: Accessory
∆p = Differential Pressure (inWC) K = Fan constant, as noted in table: Fan Size 2512 3336 4286 5236 6313 7453 8847 10304 11887 13787 15688 17905 20248 22972 25823 29117 32791 HIGH-PRESSURE SIDE TUBE LOW-PRESSURE SIDE TO DIFFERENTIAL PRESSURE TRANSUDER www.PennBarry.com... - Page 19 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 us on the web at www.pennbarry.com. PennBarry | www.pennbarry.com | pennbarrysales@pennbarry.com | tel: 972.212.4700 | fax: 972.212.4702 PennBarry reserves the right to make changes at any time, without notice, to models, construction, specifications, options and availability.
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