EasyManua.ls Logo

Robertshaw 365A User Manual

Robertshaw 365A
20 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
INSTRUCTION MANUAL
VIBRASWITCH® MALFUNCTION DETECTOR
MODEL 365A
MODEL E365A
ROBERTSHAW INDUSTRIAL PRODUCTS
1602 Mustang Drive
Maryville, TN 37801
Telephone 865-981-3100
Fax 865-981-3168
909GF294
Revision F
8 January 2008
Question and Answer IconNeed help?

Do you have a question about the Robertshaw 365A and is the answer not in the manual?

Robertshaw 365A Specifications

General IconGeneral
Leads2
OutputNormally Closed (NC)
MaterialPlastic
Operating Temperature Range-40°F to 150°F (-40°C to 65°C)
MountingSurface

Summary

Description

General Description

The Model 365A & E365A Vibraswitch® Malfunction Detector provides protection for large motors, pumps, compressors and other rotating equipment.

Model Identification Details

Details the model number structure, switch contact types, remote reset options, and enclosure finishes for the Vibraswitch®.

Specifications

Environmental Specifications

Details ambient temperature limits, humidity, and shock ratings for the Vibraswitch®.

CE (ATEX) Product Certification

Information regarding CE (ATEX) approval, including essential safety information and marking.

Electrical Specifications

Standard contact ratings for SPDT and DPDT switches, and reset coil power specifications.

Performance Characteristics

Covers vibration measurement range, setpoint range, adjustment, accuracy, and operating temperature effects.

Installation

General Installation Guidelines

Guidance on inspecting for shipping damage, choosing location, and understanding certification for hazardous locations.

Mounting Procedures

Describes how to mount the Vibraswitch® correctly to detect vibratory motion, considering orientation and mounting surface.

Space Heater Installation

Information on installing a 2-watt resistor as a space heater to prevent moisture condensation in outdoor installations.

Wiring Instructions

Provides recommended procedures for wiring the Vibraswitch® using conduit, including wire preparation and connections.

Operation

General Operation Principles

Explains the acceleration-sensitive mechanism and how the Vibraswitch® detects and trips on excessive vibration.

Operating Setpoint Adjustments

Details the three-step procedure for adjusting the operating setpoint to protect the machine from excessive vibration.

Maintenance

Functional Testing

Describes how to perform a functional test on the Vibraswitch® by checking its reset and trip points.

Vibraswitch® Will Not Reset

Diagnoses common causes for the Vibraswitch® failing to reset, such as dirt, broken parts, or coil issues.

Unable to Adjust Setpoint

Addresses issues where the setpoint cannot be adjusted to achieve a trip, often due to improper air gaps.

Switch Does Not Actuate

Explains how to troubleshoot a switch that fails to actuate, checking for defective switches or continuity.