These switches mount conveniently to most osy valves ranging in size from 2 to 12 50mm to 300mm. They will mount on some valves as small as ½ 125mm.
5401525 Osysu Valve Switch
Potter osysu 2 wiring diagram. Potter osysu 1 installation on osy fire sprinkler valve duration. Supervisory switch alarm devices have a normal service life of 10 15 years. Lpc approved sizes are 2 thru 8 50 mm thru 200 mm. 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. An overview of all the new installation features of potters osysu supervisory switch. 800am 500pm cdt.
Wiring a zonecheck addressable flow switch duration. See ordering information chart. 7 if possible to avoid creating a pinch point between the wheel and the osysu. The osysu 2 contains two sets of spdt form c contacts. The osysu 1 containing one set of spdt form c contacts and the osysu 2 containing two sets of spdt form c contacts. 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. 785192000556 also known as. The osysu 1 containing one set of spdt form c contacts and the osysu 2 containing two sets of spdt form c contacts. Osysu2 pl osysu2 the osysu is used to monitor the open position of an osy outside screw and yoke type gate valve. The model vsr is a vane type waterflow switch with non corrosive insert for use on wet sprinkler systems. Potter amseco osysu 2 outside screw and yoke valve supervisory switch double switch upc.
This device is available in two models. Project fire 39084 views. Supervisory switch wiring diagram. This device is available in two models. Warning the limitations of supervisory switch alarm devices 3. It is ul listed and fm approved for use on steel pipe.
Potter signal 68741 views. These switches mount conveniently to most osy valves ranging in size from 2 to 12 50mm to 300mm. The osysu is used to monitor the open position of an osyoutside screw and yoke type gate valve. How to wire a potter vsr flow switch to a bell duration. Supervisory switches are not a substitute for insurance. Position the osysu with the bracket near the handwheel as shown in fig.
Schedules 10 through 40 sizes 2 thru 8 50 mm thru 200 mm and schedule 5 sizes 2 thru 6. They will mount on some valves as small as ½ 125mm.