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INSTRUCTION MANUAL

MODEL : P941 / P942

ITEM : PRESSURE SWITCH

Summary of Contents for P941

Page 1: ...INSTRUCTION MANUAL MODEL P941 P942 ITEM PRESSURE SWITCH ...

Page 2: ...se a cable gland of the same class or upper class 8 Please construct wiring in accordance with consumers electrical installation guide and electrical facilities technical standards 9 Make sure to turn off the valve to prevent the measuring fluid leak when dismounting the gauge 10 Use a pressure gauge with no oil in an environment with hydrocarbon or oxygen Oil contained in the gauge may react with...

Page 3: ...RES 3 SPECIFICATION AND STANDARDS 4 STRUCTURE AND FUNCTION 5 OPERATING PRINCIPLE 6 TRANSPORTATION STORAGE AND OPENING 7 CONTACT POINT WORKING TYPE AND CONNECTION 8 INSTALLATION 9 WIRING 10 MAINTENANCE AND OPERATION CONTENTS ...

Page 4: ...oduct 2 Features This product can be used for turning on an abnormality alarm or warning light or process control according to ON OFF signal in case of reaching the set pressure And it cannot be used in explosion proof area 3 Specification and standards 1 Nominal diameter PN941 Single set point 129 2 W X 146 H X 62 5 T PN942 Dual set point 129 2 W X 146 H X 92 T 2 Repeatability 0 5 of Adjustable R...

Page 5: ...ion P941 P942 Dead Band within of F S 0 1 0 0 1 0 1 0 0 1 15 0 1 0 2 0 0 2 10 0 1 0 3 0 0 3 0 1 0 4 0 0 4 8 0 1 0 6 0 0 6 0 1 1 0 1 6 0 1 1 5 0 1 5 0 1 2 0 2 0 2 5 0 3 5 0 5 0 7 0 35 0 10 0 15 Pressure Gauge Mpa Compound Gauge Mpa Vacuum Gauge Mpa 15 0 02 0 1 0 25 ...

Page 6: ...tion in case of storage Please store it at the place with little humidity and the place where there is no vibration and dust In case of multi level stacking the weight should be to a degree where packing box isn t deformed And always store the product so that it cannot fall 3 Attention in case of opening a package Please carefully handle the object in case of opening a package Please take out the ...

Page 7: ...ture than specified in this manual 3 Be prepared for lightning or vapor 4 Avoid direct sunlight 5 Use M5 bolts when fixing the product to the panel or wall through fixing holes When you use fittings fix them firmly 6 Use a flexible tube for the impulse line to prevent excessive force on the pressure gauge 7 For pipe connection do not grab and turn the product case rather use a designated spanner ...

Page 8: ...dication instrument makes a big error remove it from the product for inspection It may have been caused by wear corrosion external shock vibration or shock of a part In this case you must remove adjust or exchange the part 8 Standard rated current is based on 3 6 However it may be different in case of having a MICRO S W built in Therefore please use it with a tolerance in consideration of inrush c...

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