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Carrier GRAVINER Mk 6 User Manual

Carrier GRAVINER Mk 6
132 pages
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Nov-21 Page i of xi 1-59812-K001 Rev 10
®
Mk 6 OIL MIST DETECTOR
INSTALLATION,
OPERATION AND
MAINTENANCE
MANUAL
1-59812-K001
PROPRIETY RIGHTS NOTICE
The information contained in this manual is the property of Carrier Fire & Security UK Ltd and may not be reproduced
or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, nor stored
in any retrieval system or any nature without the express written authority of Carrier Fire & Security UK Ltd.
© Copyright 2021 Carrier Fire & Security UK Ltd

Table of Contents

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Carrier GRAVINER Mk 6 Specifications

General IconGeneral
BrandCarrier
ModelGRAVINER Mk 6
CategorySecurity Sensors
LanguageEnglish

Summary

Description

1.1 Introduction

Explains the purpose of oil mist detection in diesel engines and the formation of explosive conditions.

1.2 System Components

Details the system components: Detectors, Control Panel, and Engine Junction Boxes, with part numbers.

1.3 Technical Specifications

Provides specifications for Detector, Junction Box, and Control Panel, including ratings and dimensions.

1.4 System Overview

Describes the system's differential measuring system, optical sensing, modular construction, and alarm philosophy.

Installation and Commissioning

2.1 Control Panel Mounting

Instructions for mounting the control panel, including bulkhead and flush mounting options.

2.2 Control Panel Cabling

Details on connecting 24v DC input supply, communications, and relay outputs to the control panel.

2.3 Junction Box Mounting

Guidelines for mounting the junction box, including gland types and location near the engine.

2.4 Detector Mounting

Instructions for mounting detectors to the crankcase, recommending optimal positions.

2.5 Detector Cables

Details on connecting detector cables and ensuring proper routing to prevent damage.

2.6 System Wiring and Connections

Comprehensive guide to wiring power, communications, and relay connections for the system.

2.7 System Checks Prior to Switching On

Essential pre-power-on checks for detectors, cabling, and system voltage to ensure correct operation.

2.8 System Setup / Configuration

Step-by-step configuration of engines, detectors, alarms, time, and date for system setup.

2.9 Commissioning the System

Procedures for verifying system functionality, including visual inspection, relay tests, and smoke tests.

Operation

3.1 System Power Up

Describes the sequence of actions when the system is powered on, including LED and LCD indicators.

3.2 Access Levels

Explains the three access levels (User, Engineer, Service) for system interaction and their capabilities.

3.3 Engine Screen User

How to view engine details and detector readings via the control panel's engine screen.

3.4 Engine Status Information

Accessing and interpreting engine status information, including alarms and faults.

3.5 Test Menu

Accessing and performing system tests via the control panel's test menu for relays and indicators.

3.6 Event Log

How to access and view recorded system events, alarms, and faults from the event log.

3.7 Detector Status User

Viewing individual detector status, levels, and faults from the user interface.

3.8 Engineers Access

How to access Engineer Level for configuration and advanced functions, requiring a password.

3.9 System Configuration Menu

Menu for configuring system settings like engines, detectors, alarms, time, and date.

3.10 System Status Engineers

Accessing system status information from the Engineer Level for detailed monitoring.

3.11 Alarm Operation

Explains how average, deviation, and backup alarms are indicated and triggered within the system.

3.12 Backup Alarm

Explains the backup alarm system and its operation independent of software for enhanced safety.

3.13 Relay Operation

Details the function of various relays (Slowdown/Shutdown, Common Alarm, Fault) and their interface with AMS.

Maintenance

4.1 Isolations

Details how to isolate engines, detectors, and relays to prevent alarms during maintenance.

4.2 System Monitoring

Explains how to monitor system parameters for early indications of engine changes.

4.3 Routine Maintenance Schedule

Outlines weekly, monthly, and bi-annual maintenance tasks for the OMD system.

4.4 Detector Cleaning

Provides detailed instructions and precautions for cleaning detector heads and bases.

4.5 Decommissioning

Guides on the proper disposal of OMD system components as electronic waste.

Fault Finding

5.1 Fault Indications

Details how system faults are indicated via detector LEDs and the control panel.

5.2 Fault Diagnostics and Remedies

Provides detailed steps for diagnosing and rectifying common faults like backup alarm, comms, or detector issues.

Spare Parts and Accessories

6.1 Control Panel

Lists spare parts for the control panel, including PCBs, displays, and membranes.

6.1.1 Main Control Processor PCB Replacement

Step-by-step guide for replacing the main control processor PCB, noting parameter recording.

6.1.2 LCD Display Replacement

Instructions for replacing the LCD display module, referring to section 5.2.15.

6.1.3 Status Display PCB Replacement

Procedure for replacing the status display PCB, detailing connector and screw removal.

6.1.4 Function Key Membrane Replacement

Steps to replace the function key membrane, involving removal of several components.

6.1.5 Status Display Membrane Replacement

Steps to replace the status display membrane, requiring PCB removal and reassembly.

6.1.6 Engine Status Display PCB Replacement

Procedure for replacing the engine status display PCB, including screw and connector removal.

6.1.7 Door Seal Replacement

Instructions for replacing the door seal by removing old material and applying the new seal.

6.1.8 OMD Mk6 Firmware Replacement

Steps for replacing the OMD Mk6 firmware using a small screwdriver to ease the IC from the socket.

6.1.10 Interface PCB Replacement

Guide for replacing the interface PCB, noting different versions and ensuring correct wiring.

6.2 Junction Box

Identifies junction box spares and outlines PCB replacement procedures, including fuse replacement.

6.3 Detector

Lists detector spares and identifies components of the detector assembly, including head, base, and fan.

6.3.1 Detector Head replacement

Detailed procedure for replacing the detector head, including safety warnings and isolation steps.

6.3.2 Replacing the Detector Base

Instructions for replacing the detector base, involving removal of the head and unscrewing the base.

6.3.3 Detector Cable Replacement

Steps for replacing the detector cable, covering disconnection at both ends and gland removal.

6.4 Spares Kits

Details the contents of the Commissioning Kit and Service Kit, listing part numbers and quantities.

6.5 Recommended Operational Spares

Lists recommended spare parts for operational use, including boards, cables, and assemblies.

6.6 Cable Assemblies

Provides details on straight and 90° connector cable assemblies with part numbers and lengths.

6.7 Auxiliary

Lists auxiliary parts not supplied by Carrier, like glands and nuts, with part numbers and suppliers.

6.8 OMD Mk6 Log Reader

Information on using the OMD Mk6 Log Reader software for downloading and analyzing event logs.

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