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EP-8000 Series Electro-Pneumatic Transducers Product/Technical Bulletin
5
Wiring and Pneumatic Connections  
Observe the following guidelines when making wiring 
connections:
• Remove the cover of the EP-8000 by gently prying 
up on the two snap-in cover tabs.
• Observe the polarity as designated on the terminal 
block of the EP-8000.
• Provides adequate stress relief for the wiring. A 
wiring entry slot is molded into the cover for routing 
to an analog DC source.
Observe the following guidelines when making 
pneumatic connections:
• Use 5/32 or 1/4 in. polytubing.
• Use clean, dry, oil-free air.
Note: For low-volume models, this inline filter must be 
installed in the supply air line before the 0.007 inch 
restrictor (see Figure 10).
Application Diagrams
Risk of Electric Shock.
Disconnect the power supply before making electrical 
connections to avoid electric shock.
Risque de décharge électrique.
Débrancher l'alimentation avant de réaliser tout 
raccordement électrique afin d'éviter tout risque de 
décharge électrique.
Risk of Property Damage.
Do not apply power to the system before checking all 
wiring connections. Short circuited or improperly 
connected wires may result in permanent damage to 
the equipment.
Risque de dégâts matériels.
Ne pas mettre le système sous tension avant d'avoir 
vérifié tous les raccords de câblage. Des fils formant 
un court-circuit ou connectés de façon incorrecte 
risquent d'endommager irrémédiablement 
l'équipement.
IMPORTANT: Make all wiring connections in 
accordance with the National Electrical Code and 
applicable local regulations.
IMPORTANT: All EP-8000 Series transducers are 
designed for use only in conjunction with operating 
controls. Where an operating control failure would 
result in personal injury and/or loss of property, it is 
the responsibility of the installer to add safety 
devices or alarm systems that protect against, or 
warn of, control failure.
IMPORTANT: To avoid contamination of the unit, 
install an inline supply filter.
Figure 10: Low Volume Models Wiring and 
Tubing
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Figure 11: High Volume Models Wiring and 
Tubing
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