This device is available in two models. The osysu 1 containing one set of spdt form c contacts and the osysu 2 containing two sets of spdt form c contacts.
Pressure Switch Model Ps10 2 Potter 7388554
Potter osysu 2 wiring diagram. Potter osysu 1 installation on osy fire sprinkler valve duration. Wiring a zonecheck addressable flow switch duration. 7 if possible to avoid creating a pinch point between the wheel and the osysu. 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. How to wire a potter vsr flow switch to a bell duration.
Supervisory switch alarm devices have a normal service life of 10 15 years. Position the osysu with the bracket near the handwheel as shown in fig. Osysu2 pl osysu2 the osysu is used to monitor the open position of an osy outside screw and yoke type gate valve. It is ul listed and fm approved for use on steel pipe. Supervisory switches are not a substitute for insurance. The osysu crh provides additional corrosion protection on top of the nema 4x enclosure with corrosion resistant mounting hardware.
800am 500pm cdt. Potter signal 68741 views. Building owners should always insure property and lives being protected. The osysu is used to monitor the open position of an osyoutside screw and yoke type gate valve. Warning the limitations of supervisory switch alarm devices 3. Schedules 10 through 40 sizes 2 thru 8 50 mm thru 200 mm and schedule 5 sizes 2 thru 6.
The osysu 1 containing one set of spdt form c contacts and the osysu 2 containing two sets of spdt form c contacts. These switches mount conveniently to most osy valves ranging in size from 2 to 12 50mm to 300mm. Potter amseco osysu 2 outside screw and yoke valve supervisory switch double switch upc. 785192000556 also known as. An overview of all the new installation features of potters osysu supervisory switch. The model vsr is a vane type waterflow switch with non corrosive insert for use on wet sprinkler systems.
See ordering information chart. Project fire 39084 views. Lpc approved sizes are 2 thru 8 50 mm thru 200 mm. Supervisory switch wiring diagram. The osysu 2 contains two sets of spdt form c contacts. They will mount on some valves as small as ½ 125mm.
They will mount on some valves as small as ½ 125mm. This device is available in two models.














