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













