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Installation Guide
P528 OEM Refrigeration
Pressure Sensor
WARNING
Read before installation of P528 Pressure Sensor
DO NOT use the P528 without reading the installation
guide in its entirety. Failure to do so may result in death or
serious injury.
1. General Information:
A failure resulting in injury or damage may be caused by excessive overpressure, excessive vibration or
pressure pulsation, excessive instrument temperature, corrosion of the pressure containing parts, or other
misuse. Should you have any questions prior to installation, contact Kavlico.
2. Overpressure:
Caution – DO NOT exceed the pressure overload rating of the P528. Failure to comply may result in
irreversible electrical and/or mechanical failure to the pressure measuring and containing elements of the
P528.
Both static and dynamic overloads must be considered, especially if the P528 is going to be installed in a
hydraulic system application.
Hydraulic pressure fluctuations can result in very high and very fast peak pressures (i.e. water hammer
effect).
To avoid damaging liquid surges, fluid lines should remain full (if possible), pumps should be brought up to
power slowly, and valves should be opened slowly. To avoid damage from both fluid hammer and surges a
surge chamber should be installed.
If system pressure pulses are anticipated, select a P528 sensor with a pressure rating high enough to allow
continuous operation at the highest expected pressure spikes.
3. Freezing:
DO NOT allow freezing of process media in the pressure port of the P528. The P528 should be drained
(mount in a vertical position with electrical termination facing upward) to prevent possible overpressure
damage from frozen media.
4. Use in Life Support Devices:
The P528 is not recommended for use as a critical component in a life support device or system without the
express written approval of Kavlico.
Potsdamer Str. 14, 32423 Minden, Germany
Tel: +49 571 3859-0 - Fax: +49 571 3859-119
Email: info@kavlico.de
www.kavlico.com
235 E. Main St., Suite 102A, Northville, MI 48167, USA
Tel: +1 (248) 465-0815 - Fax: +1 (248) 465-0810
Email: pressure.sensors@kavlico.com
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Table of Contents
Summary of Contents for Kavlico P528
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Page 1: Pressure Sensor
4. Use in Life Support Devices: The P528 is not recommended for use as a critical component in a life support device or system without the express written approval of Kavlico. Potsdamer Str. 14, 32423 Minden, Germany 235 E. - Page 2 DO NOT under any circumstances tighten by using a pipe wrench on the housing as this can cause significant damage to the P528. A wrench can only be used on the wrench flats of the hex. Do Not use a socket wrench as this can cause damage to the connector.
- Page 3 Open pressure connections only after the system is without pressure! DO NOT use the P528 outside of the overload threshold. Make sure that the device is used only within the overload threshold limit at all times.
- Page 4 Safety Considerations (cont): DO NOT interfere with or change the P528 pressure sensor in any way other than may be described within this installation guide. Should the P528 become damaged or unsafe for operation, remove it from service and mark it to prevent the sensor from being reinstalled accidentally.
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