Plaza notes
Hard ruleDescription
25" WC range is used when pressure is expected to flow only in one direction
a nickel-plated stem
reducing hot spots and improving efficiency
What does the 90 PSI MOP charge do for the system
The primary 120Vac side typically uses White (Neutral) and Black (Hot)
Johnson Controls R-317-1 Controller Freon 25" WC range is usedThe Johnson Controls R 317 1 Air Flow Controller is a precision proportional direct acting pneumatic controller designed for low pressure sensing in commercial HVAC systems. Engineered for high accuracy air velocity control, this unit operates within a sensing range of . 05" WC to 1" WC, making it a reliable component for static pressure control and VAV system maintenance. The R 317 1 features a 25 psig maximum supply pressure and delivers a 45 SCIM
Exchange/Return Notes
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