FloAire DMUA User Manual

Page 2

TABLE OF CONTENTS

WARRANTY .................................................................................................................................................. 3

INSTALLATION ............................................................................................................................................. 4

Mechanical ................................................................................................................................................ 4

Site Preparation .................................................................................................................................... 4

Roof Mounting ...................................................................................................................................... 4

Wall Mounting ....................................................................................................................................... 5

Curb and Ductwork ............................................................................................................................... 5

Duct Routing Examples ........................................................................................................................ 6

Up-Blast Roof Mount Installation .......................................................................................................... 6

Up-Blast Wall Mount Installation .......................................................................................................... 7

Up-Blast Through Wall Mount Installation ............................................................................................ 8

Down-Blast Installation ......................................................................................................................... 8

Typical Hinge Kit

– Centrifugal Upblast ................................................................................................ 9

Typical Grease Box Installation ............................................................................................................ 9

Up-Blast Utility Set Installation ........................................................................................................... 10

Up-Blast Utility Set Inlet Options ........................................................................................................ 10

Up-Blast Utility Set Discharge Extension OptionUp-Blast Curb Mount Utility Set Installation ........... 11

Up-Blast Curb Mounted Utility Set Hinging Instructions ..................................................................... 12

Up-Blast Curb Mounted Utility Set Discharge Extension Option ........................................................ 13

Up-Blast Curb Mounted Utility Set Rain Cap Option .......................................................................... 13

Square Inline Mounting Bracket Detail ............................................................................................... 14

Square Inline Mounting Configurations .............................................................................................. 14

Square Inline Discharge Options ........................................................................................................ 15

Square Inline Discharge Configurations ............................................................................................. 15

Electrical ................................................................................................................................................. 16

Copper Wire Ampacity ....................................................................................................................... 16

PSC (Permanent Split Capacitor) Motor Speed Control .................................................................... 17

ECM (Electronically Controlled Motor) Speed Control ....................................................................... 17

Motorized Damper .............................................................................................................................. 17

Fan to Building Wiring Connection ..................................................................................................... 18

OPERATION ............................................................................................................................................... 19

Start Up ................................................................................................................................................... 19

Special Tools Required ...................................................................................................................... 19

Start Up Procedure ............................................................................................................................. 19

Pulley Setscrew Torque ..................................................................................................................... 19

Pulley Alignment ................................................................................................................................. 20

Proper Belt Tension ............................................................................................................................ 20

Pulley Combination Chart ................................................................................................................... 21

Troubleshooting ...................................................................................................................................... 22

Troubleshooting Chart ........................................................................................................................ 22

MAINTENANCE .......................................................................................................................................... 23

General Maintenance ............................................................................................................................. 23

Bearing Grease Charge ..................................................................................................................... 23

Bearing Grease Type ......................................................................................................................... 23

2 weeks after startup .............................................................................................................................. 24

Every 3 months ....................................................................................................................................... 24

Yearly ...................................................................................................................................................... 24

Start-Up and Maintenance Documentation ............................................................................................ 25

Job Information ................................................................................................................................... 25

Fan Unit Information ........................................................................................................................... 25

Maintenance Record .......................................................................................................................... 25

Factory Service Department ............................................................................................................... 28

This manual is related to the following products:

Power Roof Ventilator FABI-RM FHV-RE FSIFDD FSIFBD GVS-FA GV-FA DU-H BDU-HP BDU DR-H BDCR DDAR