(13-11) Accessories for Variable flow control system
Accessories for Variable controls systems can be complex. You will find all of the items you will need on this list to put one of these systems together yourself. For help putting together one of these systems please give us a call.

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Main System / Part
Part # Qty  Description
AD-VFD-230V-2 2.0 HP AC DRIVE ,230V 1/3 PH IN 3 PH OUT
AD-VFD-230V-3 3.0 HP AC DRIVE , 230V 1/3 PH IN 3 PH OUT
LE-VFD-230V-33A-50HZ VFD-10HP-240V-33A
MWA-VFD-230V-3/N1 3.0 HP AC DRIVE ,230V 1 PH IN 3 PH OUT in NEMA 1 enclosure
MWA-VFD-230V-5/N1 5.0 HP AC DRIVE ,230V 1 PH IN 3 PH OUT in NEMA 1 enclosure
MWA-VFD-230V-5/N4 5.0 HP AC DRIVE ,230V 1 PH IN 3 PH OUT in NEMA 4 enclosure
VFD-575V-5 Variable Frequency drive for 5HP 575/3/60Hz motor, IP66
VSD-1.5HP-110V/1/60 110v input variable speed drive for 1.5 HP motors.

  • Wired by others
  • If you would like this pre-installed please clearly note on your Purchase Order, no charge.
  • Fan Control Panels (when ordering main unit)
    Part # Qty  Description
    OPTI-VFD-15HP-NEMA12-3Panel 3 – Panel NEMA 12, 1 VFD 15HP c/w Panel, HOA, Pressure Transmitter (Lev-co to supply), 4 – 3.0 HP 575V overloads and disconnect
    OPTI-VFD-15HP-NEMA12-5Panel 5 – Panel NEMA 12, 1 VFD 15HP c/w Panel, HOA, Pressure Transmitter (Lev-co to supply), 4 – 3.0 HP 575V overloads and disconnect
    OPTI-VFD-20HP-NEMA12-1Panel 1 – Panel NEMA 12, 1 VFD 20 HP c/w Panel, HOA, Pressure Transmitter (Lev-co to supply), 1 - 20 HP 575V overloads and disconnect
    OPTI-VFD-2HP-NEMA12-1Panel 1 – Panel NEMA 12, 1 VFD 2HP c/w Panel, HOA, Pressure Transmitter (Lev-co to supply), 5 – 1/3 HP 575V overloads and disconnect
    OPTI-VFD-30HP-NEMA12-2Panel 2– Panel NEMA 12, 1 VFD 30HP c/w Panel, HOA, Pressure Transmitter (Lev-co to supply), 3 - 7.5 HP 575V overloads and disconnect
    VFD-ABB Brand
    Part # Qty  Description
    VFD-A250-0.5-115/1/60 ABB 250 VFD 0.5HP 110V 1-Phase 60Hz
    VFD-A250-0.5-220/1/60 ABB 250 VFD 0.5HP 200V 1-Phase 60Hz
    VFD-A250-0.5-220/3/60 ABB 250 VFD 0.5HP 200V 3-Phase 60Hz
    VFD-A250-1.5-115/1/60 ABB 250 VFD 1.5HP 110V 1-Phase 60Hz
    VFD-A250-10-460/3/60 ABB 250 VFD 10HP 380V 3-Phase 60Hz
    VFD-A250-10-575/3/60 VFD 10HP 575V 3-Phase 60Hz
    VFD-A250-1-115/1/60 ABB 250 VFD 1HP 110V 1-Phase 60Hz
    VFD-A250-1-220/1/60 ABB 250 VFD 1HP 200V 1-Phase 60Hz
    VFD-A250-1-220/3/60 1HP 240V VFD 3-Phase 60Hz
    VFD-A250-1-460/3/60 1HP 480V VFD 3-Phase 60Hz
    VFD-A250-15-575/3/60 ABB 250 VFD 15HP 500V 3-Phase 60Hz
    VFD-A250-1-575/3/60 1HP 600V VFD 3-Phase 60Hz
    VFD-A250-2-220/1/60 ABB 250 VFD 2HP 200V 1-Phase 60Hz
    VFD-A250-2-220/3/60 2HP 230V VFD 3-Phase 60Hz
    VFD-A250-2-460/3/60 2HP 480V VFD 3-Phase 60Hz
    VFD-A250-2-575/3/60 2HP 600V VFD 3-Phase 60Hz
    VFD-A250-3-220/1/60 ABB 250 VFD 3HP 200V 1-Phase 60Hz
    VFD-A250-3-220/3/60 3HP 240V VFD 3-Phase 60Hz
    VFD-A250-3-460/3/60 3HP 480V VFD 3-Phase 60Hz
    VFD-A250-3-575/3/60 3HP 600V VFD 3-Phase 60Hz
    VFD-A250-5-220/3/60 5HP 240V VFD 3-Phase 60Hz
    VFD-A250-5-460/3/60 5HP 480V VFD 3-Phase 60Hz
    VFD-A250-7.5-460/3/60 ABB 250 VFD 7.5HP 380V 3-Phase 60Hz
    VFD-A250-7.5-575/3/60 ABB 250 VFD 7.5HP 500V 3-Phase 60Hz
    VFD-A250-5-575/3/60 5HP 600V VFD 3-Phase 60Hz
    Reactors for VFD's
    Part # Qty  Description
    P-025-LIN-R Line Reactor - 20HP 575/3/60
    2 required per fan, 1 at load, 1 at line
    Safety Disconnects for Fans
    Part # Qty  Description
    DISC-MRD403P Motor Disc Rotary Encl 40A 3P N4-IP65
    DISC-MRD603P Motor Disc Rotary Encl 60A 3P N4-IP65
    Digital Pressure gauge with 4-20 MA output
    Part # Qty  Description
    FI-DPT-0025 Differential pressure transmitter 0 - 2.5 H2O
    FI-DPT-005 Differential pressure transmitter 0 - 5 H2O
    FI-DPT-010 Differential pressure transmitter 0 - 10 H2O
    FI-DPT-020 Differential pressure transmitter 0 - 20 H2O
    Manual Blast Gates
    Part # Qty  Description
    IN-BG-04 4" diameter Blast gate
    IN-BG-05 5" diameter Blast gate
    IN-BG-05-MS 5" Blast gate c/w micro switch (24-220V, 1 amp)
    IN-BG-06 6" diameter Blast gate
    IN-BG-08 8" diameter Blast gate
    IN-BG-10 10 diameter Blast gate
    IN-BG-12 12" diameter Blast gate
    Sensors and Switches (when ordering main unit)
    Part # Qty  Description
    LS-12 Hood mounted switch for controlling the fan or light.To be used in conjuction with the P-025 Series Control Panel.
    MS-12-24V Micro-switch for the automatic "Start/Stop" of the fan and/or automatic damper. C/W Switch and 24V blue 25MM "RUNNING" light.
    Pneumatic Tubing for pressure gauges
    Part # Qty  Description
    POLY-TUBING-1/4X3/8 Clear Poly 1/4 ID x 1/16"wall x 3.8"OD Clear tubing. Price per ft. 100 ft box pack (not suitable for push in fittings, 1/4" barbed fitting only)
    TUB-PVC-BLUE-1/4 Blue PVC Tubing, 3/16" ID x 1/4" OD Price per roll, Roll length 100' To be used with both 3/16" barbed and 1/4" Push-in fittings.
    TUB-PVC-CLR-1/4 Clear PVC Tubing, 3/16" ID x 1/4" OD Price per roll, Roll length 100' To be used with both 3/16" barbed and 1/4" Push-in fittings.
    TUB-PVC-CLR-3/8 Clear PVC Tubing, 3/16" ID x 3/8" OD Price per roll, Roll length 100' Supplier sku - 10063763 Made from non-toxic ingredients conforming to FDA and 3A standards. PVC compound meets USP class VI requirements. Listed by the National Sanitation Foundation ( NSF 51 ). Glass like clarity with mirror smooth surface provides outstanding flow characteristics. Does not impart a taste or ordor. Lightweight yet tough and abraision resistant. As flexible as rubber. Handles a wide variety of chemicals, gases, and liquids. Special Fuel & Oil grade available. || New: Clear PVC Tubing, 3/16" ID x 1/4" OD Price per roll, Roll length 100'
    TUB-PVC-RED-1/4 Red PVC Tubing, 3/16" ID x 1/4" OD Price per roll, Roll length 100' To be used with both 3/16" barbed and 1/4" Push-in fittings.
    Pneumatic Fittings
    Part # Qty  Description
    C2VA00418 Right angle flow control valve, 1/8 NPT x 1/4 OD push-i tube connection.
    WF-sf-1/4-A 1/4" male NPT " push on " straight fitting for air hose: For WFHC
    BHCOUP-1/4 Pneumatic Polybutylene Bulkhead Coupling 1/4" OD
    BHCOUP-3/8 Pneumatic Polybutylene Bulkhead Coupling 3/8" OD
    BHCOUP-1/2 Pneumatic Polybutylene Bulkhead Coupling 1/2" OD
    Misc. Options (when ordering main unit)
    Part # Qty  Description
    MBS-32-SG320-S4 Fan Motor Control Station, 24-32 Amps
    VFD-575V-25 Variable Frequency drive for 25HP 575/3/60Hz motor
    Manual Slide Gate and Dampers
    Part # Qty  Description
    DAMP-MAN-05 Ø5" Manual Damper
    DAMP-MAN-06 Ø6" Manual Damper
    DAMP-MAN-06-S Ø6" Manual Damper with micro switch
    DAMP-MAN-08 Ø8" Manual Damper
    DAMP-MAN-10 Ø10" Manual Damper
    DAMP-MAN-12 Ø12" Manual Damper
    - Installation Accessories
    Part # Qty  Description
    DPT-020 Differential pressure transmitter 0 - 20 H2O