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