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Alarm Relay: 0
Four-digit LED display and status LEDs
and lights
Two variable 0 to 10 VDC signal outputs
Central monitoring and control using Select Ventilation software
Phason OMNI Select Power Block (PBx-11) Alarm Relay: 0The PBx 11 is designed to control ventilation equipment for a single room. Power Blocks work with the Select Ventilation module of OMNI Select to control equipment according to your programmed settings. The 11 stage control has two variable AC stages for controlling fans or heaters, two variable 0 to 10 VDC stages for controlling variable frequency drives, and nine relays for controlling equipment such as actuators, curtain machines, single speed