KP and MP switch High quality pressure switches Danfoss
P545 Series Electronic Lube Oil Control Johnson Controls
PDF Technical Information D781 Oil pressure safety controls Copeland
MP Differential Pressure Control Lube Oil Protection Control Danfoss Type Control differential Δp psig LP side Regulation range in Hgpsig Time relay delay time seconds Competitor Code Nos Danfoss Code No Competitor Code Nos Danfoss Code No 14 in M flare 36 in capillary tubes with 14 in flare nuts MP54 6 29 to 175 45
Connection to oil pressure side of lubrication system OIL Connection to suction side of refrigeration plant LP Setting disc Test device Terminals Product specications Design and Materials Figure 1 Design for Type MP 55E The MP 55E pressure control only switches the dierential pressure ie the dierence in pressure between the two
PDF Pressure switch Types MP 54 MP 55 MP 55A Galco
The Danfoss MP 54 and MP 55 oil differential pressure controls are used as safety switches to protect your refrigeration compressors against low lubricating oil pressure Overview brochure Read the overview brochure for KP MP pressure switches
PDF Differential pressure switch type MP55E Danfoss
Differential Pressure Switch Lube Oil Protection Control
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stopped after a 120 seconds delay If the oil pressure switch trips it should not be reset or bypassed but the cause for the failure must be found prior to resetting then starting up again NOTE Oil pressure safety control with an approved switch is a condition of warranty Oil Pressure Differential Normal oil pressure is between 105 and 4
KP and MP switch High quality pressure switches Danfoss
both have to be considered when using oil dierential pressure switches The rst diagram shows the function of the dierential switch during start the second shows the function of the switch during operation On startup bar s Data sheet Dierential pressure switch Lube oil protection control MP 54 and MP 55 4 520H11527 DKRCC
The P74 series of differential pressure switches incorporate two opposing pressure elements and an adjustable range setpoint spring with a calibrated with series P28 lube oil protection control on two compressor single motor units Reduces the lube oil system cost 2 P74 Differential pressure controls Product Bulletin
known as scale setting plus the switch differential which is 3 psi to 5 psi 21 kPa to 34 kPa in the required time delay This causes the time delay relay to deenergize If the net oil pressure does not rise to the cutout pressure setting plus the switch differential within the required time delay the time delay relay trips and
Differential Pressure Switch Lube Oil Protection Control
P28 and P128 Series Lube Oil Controls with Builtin Time Delay Relay
PDF P74 Differential pressure controls Product Bulletin
The Danfoss MP 54 and MP 55 oil differential pressure controls are used as safety switches to protect your refrigeration compressors against low lubricating oil pressure Differential Pressure Control types MP 54 MP 55 MP 55A English Multiple 23 Nov 2021 5416 KB pdf Data sheet Differential pressure switch MP 54 MP 55 and MP
PDF Differential pressure switch Lube oil protection control
The P545 Series Electronic Lube Oil Control is designed for use on refrigeration compressors equipped with an oil pump that accepts a singlepoint differential pressure switch The P400 switch continuously monitors net lube oil pressure and the P545 control locks out the compressor if lube oil pressure falls below the manufacturers recommended
oil differential pressure and contact differential both have to be considered when using oil differential pressure switches The first diagram shows the function of the differential switch during start the second shows the function of the switch during operation On startup bar s Data sheet Dierential pressure switch Lube