Supervisory switches are not a substitute for insurance. Osysu2 pl osysu2 the osysu is used to monitor the open position of an osy outside screw and yoke type gate valve.
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Potter osysu 2 wiring diagram. The model vsr is a vane type waterflow switch with non corrosive insert for use on wet sprinkler systems. The osysu 1 containing one set of spdt form c contacts and the osysu 2 containing two sets of spdt form c contacts. Project fire 39084 views. How to wire a potter vsr flow switch to a bell duration. Supervisory switch wiring diagram. The osysu 1 containing one set of spdt form c contacts and the osysu 2 containing two sets of spdt form c contacts.
785192000556 also known as. The osysu is used to monitor the open position of an osyoutside screw and yoke type gate valve. It is ul listed and fm approved for use on steel pipe. This device is available in two models. Potter osysu 1 installation on osy fire sprinkler valve duration. 800am 500pm cdt.
These switches mount conveniently to most osy valves ranging in size from 2 to 12 50mm to 300mm. Osysu across the valve yoke as far from the valve gland as possible so that the spring loaded trip rod of the osysu is pulled against the non threaded portion of the valve stem. Lpc approved sizes are 2 thru 8 50 mm thru 200 mm. Building owners should always insure property and lives being protected. The osysu crh provides additional corrosion protection on top of the nema 4x enclosure with corrosion resistant mounting hardware. Potter signal 68741 views.
They will mount on some valves as small as ½ 125mm. Potter amseco osysu 2 outside screw and yoke valve supervisory switch double switch upc. These switches mount conveniently to most osy valves ranging in size from 2 to 12 50mm to 300mm. Warning the limitations of supervisory switch alarm devices 3. This device is available in two models. The osysu 2 contains two sets of spdt form c contacts.
Wiring a zonecheck addressable flow switch duration. Schedules 10 through 40 sizes 2 thru 8 50 mm thru 200 mm and schedule 5 sizes 2 thru 6. 7 if possible to avoid creating a pinch point between the wheel and the osysu. An overview of all the new installation features of potters osysu supervisory switch. Position the osysu with the bracket near the handwheel as shown in fig. See ordering information chart.
They will mount on some valves as small as ½ 125mm. Supervisory switch alarm devices have a normal service life of 10 15 years.
Gallery of Potter Osysu 2 Wiring Diagram
