Donaldson Torit DFT 2-8 - Table of Contents

Downflo II, Model DFT 2-8 through 4-128
3
This manual contains specific precautionary statements relative to worker safety. Read
thoroughly and comply as directed. Discuss the use and application of this equipment with a
Donaldson Torit representative. Instruct all personnel on safe use and maintenance
procedures.
Magnehelic
®
and Photohelic
®
are registered trademarks
of Dwyer Instruments, Inc.
Contents
Description ........................................................... 4
Purpose and Intended Use..................................... 4
Rating and Specification Information ................... 5
Operation ............................................................. 6
Inspection on Arrival ............................................ 7
Installation Codes and Procedures ........................ 7
Installation ........................................................... 7
Site Selection, Grade-Mounted Units .............. 7
Unit Location.................................................. 7
Electrical Wiring ................................................... 8
Rigging Instructions.............................................. 8
Hoisting Information ...................................... 8
Typical Installation ............................................... 9
Standard Equipment ........................................... 10
Field Assembly .............................................. 10
Module Assembly ......................................... 11
Yoke, Venturi, and Filter Installation ............ 12
Hopper Installation....................................... 13
Leg Installation ............................................. 14
Compressed Air Installation ......................... 16
Solid-State Timer Installation ............................. 18
Solenoid Connection ..................................... 18
Timer and Solenoid Specifications ................ 18
Preliminary Start-Up ........................................... 20
Service Information ............................................ 20
Operational Checklist ................................... 20
Filter Installation and Replacement .............. 20
Filter Removal .............................................. 20
Filter Replacement ........................................ 22
Dust Disposal ............................................... 22
Compressed Air Components ....................... 22
Optional Equipment ........................................... 24
Power Pack ................................................... 24
Side Mount Power Pack ................................ 26
55-Gallon Drum Pack ................................... 28
Magnehelic
®
Gauge ...................................... 30
Photohelic
®
Gauge ........................................ 32
Delta P Control ............................................. 34
Delta P Plus Control ..................................... 35
Transition and Rotary Valve ......................... 36
Damper and Silencer, TBI ............................. 37
Plenum Silencer, TRB .................................... 38
Abrasion-Resistant Inlet Collar..................... 38
Platforms and Ladders .................................. 39
Cold Climate Kit........................................... 40
Explosion Vents ............................................ 41
Sprinkler Installation .................................... 41
Troubleshooting ................................................. 42
Service Notes ...................................................... 46
Warranty ............................................................ 48