United Equipment EzFlow Installation & Maintenance Manual
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Page 13TESTING FOR AUTOMATIC CHANGE OVER (CAN BE PERFORMED FOR EITHER GAS)1. Make sure the pressure is stable and the line pressures reads 50 psi (pushing the Bleed Valves on allcylinders will make certain the lines are stable). Once this has been confirmed, close the cylinder valvethat is represented by the green LED.2. Push the Bleed Valve on the same side as the closed cylinder, allowing the cylinder pressure to drop.Once the pressure gets below the low set-point, the system will change over to the reserve tankpreviously represented by the yellow LED. The closed cylinder will show a red Empty LED and the In Usecylinder will show a green LED.3. An alarm will sound on both the manifold as well as the RAC. You can mute the alarm using the Mutebutton.4. Return the system to normal by S-L-O-W-L-Y opening the closed cylinder. Pressure will return to normaland the Empty cylinder will then be represented by a yellow Reserve LED.Bleed ValvesLine Bleed ValvesTESTING |
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