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