Summary of the content on the page No. 1
LV-1201, LV-1202, LV-1203
Non-Magnetic, Side Motint
Liquid Level Switches
Operator’ s Manual: M0776/0499
GENERAL DESCRIPTION
The OMEGA@ LV-1200 Series Level Switches feature a non-magnetic design
suitable for application where magnetic particles lie: rust) are present. The LV-1200
Series features a plastic and 316 SS construction, or a Hastelloy C construction for
more corrosive applications.
The LV-1200 Series can be used in highly particle contaminated liquids such as
sewage, machine cutting o
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SPECIFICATIONS RELAY SWITCH: SPDT 15A @ 125 or 250 Vat; lO,OOO,OOO operations medium MAX. TEMPERATURE/ PRESSURE: Model LV-1201: 75 PSIG @ 75 ”F, 200 PSIG @ 50°F; Models LV-1202 & LV-1203: 50 PSIG @ 200°F, 100 PSIG @ 75OF; LIQUID LEVEL CHANGE TO ACTIVATE SWITCH: % ” MIN. SPECIFIC GRAVITY: Model LV-liO1: 0.6; Models LV-1202 81 Model LV-1203: 0.7 WETTED PARTS: LV-1201: Noryl (a phenylene oxide based resin), 316 SS. Buna N; LV-1202: Ryton, 316 SS, Buna N, WC; LV-1203: Ryton R-4, Hastelloy C, Vit
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ASSEMBLY WARNING THE LV-1200 SERIES EMPLOY AN EXTERNAL SEAL SHAFT (A), A FLEX- IBLE ELASTOMER DIAPHRAGM SEAL (B), AND AN INTERNAL FEED THRU SHAFT OR SWITCH ACTUATING ARM (D)-REFER TO DIAGRAM BELOW. ALL THREE ELEMENTS ARE ASSEMBLED AND LOCKED IN PLACE WITH LOCITE ADHESIVE. TO PREVENT RUPTURE OF SEAL AND LEAKAGE INTO SWITCH AREA, IT IS CRITICALLY IMPORTANT THAT TORQUE NOT BE APPLIED TO SEAL SHAFT (A), FLOAT SHAFT (El, OR DRAG DISK ARM (E), DURING CHANGE OF FLOAT OR DRAG DISK. IF FLOAT SHAFT OR DRA
Summary of the content on the page No. 4
INSTALLATION AND OPERATION The LV-1200 Series Liquid Level Switch is for side-mounting ONLY. It is supplied with a 1 l/4” x 1” bushing (No@, Model LV-1201; PVC, Model LV-1202, and Ryton R-4 for Model LV-1203) threaded in place with 2 to 3 wraps of Teflon tape, which must be intact or renewed if the bushing and switch are separated before assembly in tank. Care must be exercised when threading the bushing into plastic or metal fittings. APPLY a minimum of 2 to a maximum of 3 wraps of Teflon tape
Summary of the content on the page No. 5
Figure 1: Wiring Schematic for power applied to the load when the liquid level is less than the set point (power to the load is interrupted when the level increases to above the set point). DECREASING LIQUID LEVEL BELOW SET POINT MOVES 1 ACTUATOR IN DIRECTION SHOWN LOAD A -NC - I I 4. ? (HOT) CO M LINE MICROSWITCH Figure 2: Wiring Schematic for power applied to the load when the liquid level is greater than the set point (power to the load is interrupted when the level decreases to below the set
Summary of the content on the page No. 6
10399 5. STRAIN RELIEF NUT 10399 6. GROMMET 10399-Z. COVER -3. 4 RETAINING SCREWS INOT SHOWN1 10399-19. MICROSWITCH BRACKET 10399 22. MICROSWITCH COMPLETE WITH 2 SLIP ON TERMINALS 2 SCREWS ,/-10399.23. -24. 2 NUTS 10399 20. 2 SCREWS 25. 2 SPLIT LOCKWASHERS 21. 2 SPLIT LOCKWASHERS . 26, 1 PLAIN WASHER 10399 4 0 RING 10399 26 I’ . x 1 ” BUSHING ILV-12011 29 1’ . ” x 1” BUSHING iLV 12021 BODY COMPLETE WITH Al SEAL SHAFT 81 DIAPHRAGM Cl DIAPHRAGM WASHER DI FEEDTHRU SHAFT El PIVOT PIN FI CAP fSONlC
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10403-6. GROMMET 10403.5. STRAIN RELIEF NUT / 10403-2. COVER 3. 4 RETAINING SCREWS INOT SHOWNI 10403-21. MICROSWITCH COMPLETE WITH 3 SLIP ON TERMINALS 1o403-16. MICROSWITCH B RACKET SCREWS 10403.22. 2 -23.2 NUTS 10403-19, 2 SCREWS ,n 1 r01 IT, _^.,....^. .--- -24. 2 SPLIT LOCKWASHERS -25, 1 PLAIN WASHER - 10403-4. O-RING 510403-l. BODY COMPLETE WITH Al SEAL SHAFT -E Bl DIAPHRAGM Ci DIAPHRAGM WAS HER m .z.zcn-TuDI I rll” r_ I“ I LLYl nnu JNr ” I B El PIVOT PIN r,^.^.^^_ .-... -3 nrn, 10403 13. FI
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