Specifications – Installation and Operating Instructions MERCOID
Contents
1. Printed in U S A 4 01 FR 90 442119 00 Rev 2 Phone 219 879 8000 Fax 219 872 9057 Lit by Fax 888 891 4963 www dwyer inst com e mail info dwyer inst com2. excessive vibration or pressure pulsation excessive temperature corrosion of pressure containing parts and movement assembly electrical overload or other misuse Copyright 2001 Dwyer Instruments Inc MERCOID DIVISION DWYER INSTRUMENTS INC P O BOX 258 MICHIGAN CITY INDIANA 46361 U S A i 2 ie 28 2 T E ae i 55 56 80 96 S 18038 1 4 NPT PHYSICAL DATA Temperature Limits 30 to 150 F 34 4 to 65 6 C Pressure Connections NPT F Electrical Ratings 12 A 120 VAC 8 A 240 VAC 7A 277 VAC HP 120 VAC 1 4 HP 240 VAC Switch Type SPDT snap acting Conduit Opening 2 Wiring Connections Three screw type common N O N C Set Point Adjustment Screw type inside cover Housing Galvanized steel NEMA 1 Diaphragm Buna N Nylon Calibration Spring Plated steel Installation Any position Weight 1 2 Ib 0 23 kg Model Adjustable Fixed Deadband Max No Operating Range Maximum Minimum Pressure 1 30 Hg Vac 1 5 Hg 1 Hg VAC CS 1 2 5 75 cm Hg Vac 3 8 cm Hg Vac 2 5 cm Hg Vac 30 psig 10 100 w c 7 W C 5 w c cas 2 5 250 cm w c 17 8 cm w c 12 7 cm w c ea 1 10 psig 0 4 psig 0 25 psig CS 10 9 07 0 7 kg cm 0 03 kg cm 0 02 kg cm 30 psig 1 30 psig 1 0 psig 0 5 psig CS 30 07 21 kglom 0 07 kg cm 0 035 kg cm 50 psig CS 150 10 150 psig 5 psig 1 5 psig 175 psig 0 07 10 5 kg cm 0 35 kg cm 0 1 kg cm
3. Bulletin IN 619 Series CS Low Cost Diaphragm Pressure Switches Viercoid Lr 11 16 11748 Specifications Installation and Operating Instructions 112 12 7 CONDUIT HOLE f 1 td 26 99 1 5 16 33 34 The Series CS Low Cost Diaphragm Pressure Switch is ideal for instrument panels small compressors and gen eral industrial applications Visible set point and easy to wire SPDT snap switch reduce installation time This switch operates in any position and is vibration resistant INSTALLATION MOUNTING The control can be pipe mounted Do not twist the case when installing Use wrench on the pressure connection flats WIRING All wiring must conform to the National Electrical code and local regulations Do not install control to handle loads in excess of electrical rating shown in specifications or as indicated on instructions inside control cover Connect wiring to screw terminals depending on the action required Common and High contacts will close and Common and Low contacts will open when increas ing pressure or vacuum reaches set point The reverse will occur when pressure or vacuum drops below the set point less the deadband COMMON ON HIGH ON LOW WIRING DIAGRAM TOP VIEW CAUTIONS Do not oil any parts Mount control securely Never exceed electrical rating for switch Use only with compatible WARNING A failure resulting in injury or damage can be caused by over pressure
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