Control Panels & Power Distribution

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  1. Power Distribution Modules (PDMs) for Fan Filter Units (FFUs)
    Power Distribution Modules (PDMs) for Fan Filter Units (FFUs) (6600-PP-14)
    Group of 11 products
    Some ship in 1 - 3 days
    5 PDM Type2 Voltage

    Available PDM Type: Power Outlet, Wireless Control, Primary, Primary, Secondary, Booster
    Available Voltage: 120 V, 240 V
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Features and Benefits

Technical Resources

Night Service Switch

Night Service Swtich for Clean Room Fan Filter Units
  • Energy-saving mode saves 25% of fan operating costs by reducing power consumption during off-hours
  • Maintains round-the-clock cleanroom integrity at lower cost
  • Easy to activate via panel-mounted switch (Wireless Cleanroom Control System also available)
Why Pay More for Less?

Terra cleanrooms are designed to meet a specified ISO cleanliness rating when a cleanroom is in use: with operations in progress, process machinery humming, and personnel in motion. So why pay to maintain that level of FFU performance when a production shift ends and people, the greatest source of contamination, leave the room?

With a greatly reduced contaminant load, a cleanroom at rest maintains its target ISO cleanliness standard with much less airflow, fewer air changes—and decreased power consumption. Terra’s Night Service Switch provides this cleanliness at a nominal cost, giving you immediate cost savings.

Simply select the “Night Service” Switch when you turn off the lights and go home. A separate operation circuit drops all Fan/Filter Units (FFUs) into low-energy operation mode, shaving 25% of energy costs off your power bill while maintaining uninterrupted cleanroom performance at your specified cleanliness level. With Terra's Night Service Switch, operators can save up to 7,000 kilowatt-hours per year with a return on investment in slightly over a year.*

Ordering Information

A complete system includes fan/filter units and Terra's standard Power Distribution Modules (order separately), in addition to the units specified below. The Night Service Switch includes electronic configuration of each FFU controlled by this system. The Control Panel includes switch settings and indicator lights for Normal Mode and Night Service Mode, as well as a tamper-resistant master FFU Off switch.

Comparative Specifications
Operating Setting: High Speed** Medium Speed** Night Service
Airflow: cfm (m^3/hr) 808 (1373) 717 (1218) 654 CFM (1111)
Air Speed: ft/m (m/s) 115 (0.58) 102 (0.51) 93 ft/min (0.47)
Run Amps (Watts): 4.3 (512) 3.5 (416) 3.3A (393W)*

*25% savings over operation on high speed

**Based off of an average-sized cleanroom with 10 FFUs, active cleanroom usage of 8 hours per day, and the U.S. Energy Information Administration's given average retail price of electricity at 10.72 cents per kilowatt-hour.

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