Contents
IMPORTANT NOTES .......................................................................................................................................................................i
1 Safety Communication ..............................................................................................................................................................1
2 Product Description ...................................................................................................................................................................3
Standard Equipment ...........................................................................................................................................................4
First Stage Filter ..........................................................................................................................................................4
Primary Filter ...............................................................................................................................................................4
Final Filter (Optional) ...................................................................................................................................................4
P-Trap with Optional Y-Strainer ..................................................................................................................................4
Sprinkler Coupling .......................................................................................................................................................4
Options and Accessories ....................................................................................................................................................4
Final Filter ....................................................................................................................................................................4
Drain Collection Container ..........................................................................................................................................4
Cleaning Controls and Sensors ...................................................................................................................................4
3 Operation ...................................................................................................................................................................................5
4 Product Service .........................................................................................................................................................................6
Operational Checklist .........................................................................................................................................................6
Filter Replacement .............................................................................................................................................................7
P-Trap Service ....................................................................................................................................................................9
P-Trap with Y-Strainer, Screen Cleaning and Removal ......................................................................................................9
Options and Accessories ..................................................................................................................................................10
Fan Controls ..............................................................................................................................................................10
Drain Collection Container ........................................................................................................................................10
Troubleshooting ................................................................................................................................................................11
Appendix A - Installation ................................................................................................................................................................13
Installation ........................................................................................................................................................................14
Location and Site Selection .......................................................................................................................................14
Delivery and Inspection .............................................................................................................................................14
Unloading and Positioning .........................................................................................................................................14
Support Installation ....................................................................................................................................................15
Electrical Wiring .........................................................................................................................................................15
P-Trap Installation .....................................................................................................................................................17
Inlet Plenum Installation ............................................................................................................................................17
Options and Accessories ..................................................................................................................................................18
Cleaning Controls and Sensors .................................................................................................................................18
Magnehelic Installation ..........................................................................................................................................18
Damper and Silencer, TBI (WSO Unpowered 25-4 and 25-6) ...................................................................................20
Top Mount ..............................................................................................................................................................20
Support Brackets, Top Mount.................................................................................................................................20
Sprinkler Coupling .....................................................................................................................................................21
Pre-Wired Collectors ........................................................................................................................................................22
Unwired Collectors ...........................................................................................................................................................22
Start-up / Commissioning .................................................................................................................................................23
Decommissioning Collector ..............................................................................................................................................24
Product Information ..........................................................................................................................................................25
Service Notes ...................................................................................................................................................................26
Donaldson Industrial Air Filtration Warranty ..............................................................................................................................28
WSO Mist Collector, WSO 25-4 and 25-6
ii
Magnehelic® is a registered trademark of Dwyer Instruments, Inc.