Kidde Graviner MK7 Oil Mist Detector Control Unit
The Kidde Graviner MK7 Oil Mist Detector Control Unit serves as the central processing and alarm management hub of the MK7 Oil Mist Detection System.
Kidde Graviner MK7 Oil Mist Detector Control Unit
The Kidde Graviner MK7 Oil Mist Detector Control Unit serves as the central processing and alarm management hub of the MK7 Oil Mist Detection System. Mounted directly on the engine, it communicates with up to 10 intelligent detector heads, continuously monitoring oil mist density and providing early warning of developing engine faults that could lead to crankcase explosions.
Key Features
- Monitors Up to 10 Detector Heads per control unit.
- Auto-Addressed Detector Management with automatic detector identification and communication.
- Configurable Alarm Levels including pre-alarm, alarm, backup alarm, and engine slowdown/shutdown outputs.
- Local Engine-Mounted Installation for direct connection to detector heads.
- Detector Isolation Function allowing individual detectors to be isolated without affecting the operation of the remaining system.
- Continuous System Monitoring with automatic fault detection and diagnostics.
- Remote Display Compatibility with optional touchscreen display units installed in the Engine Control Room (ECR).
- Event Logging and Status Monitoring for maintenance and troubleshooting purposes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Engine-Mounted Control Unit |
| Maximum Detector Inputs | 10 |
| Enclosure Rating | IP65 |
| Housing Material | Aluminium |
| Output Relays | Volt-free changeover contacts |
| Relay Rating | 30 VDC, 1 A |
| Pre-Alarm Range | 0.5 to 1.2 mg/L (adjustable) |
| Default Pre-Alarm | 0.9 mg/L |
| Alarm Range | 1.3 to 2.4 mg/L (adjustable) |
| Default Alarm | 1.8 mg/L |
| Backup Alarm | 3.0 mg/L (fixed) |
| Dimensions (H × W × D) | 186 × 318 × 90 mm |
| Weight | 2.8 kg |
| Operating Temperature | 0°C to +70°C |
Spare Parts List
| Part Number | Description |
|---|---|
| 17100-H06 | Wick 150 mm |
| 21888-K073 | Connector Push In (B5465-307) |
| 53569-K005 | Fan, Micronel Type F41LP-005KK-9 (2-screw type) |
| A7311-001 | Wipes, Wet and Dry |
| A7311-002 | Glass Cleaner, 500 ml |
| B3721-006 | Compression Spring |
| B3741-902 | Fan Retainer |
| B6910-217 | Foam Buds |
| B6910-218 | Air Duster |
| B6910-219 | 4 mm Hexagonal Key |
| C1413-801 | Fan Connector Seal |
| C1513-802 | Base Moulding O-Ring |
| D5622-005-02 | Fan, Micronel Type F41LP-005KK-9 (1-screw type) |
| D5622-101 | Base Unit Sub-Assembly |
| D9131-002 | Pulling Tool |
| D9221-026 | Commissioning Kit |
| D9221-027 | Service Kit |
| D9221-028 | Smoke Test Oil, 30 ml |
| D9221-029 | Smoke Tester |
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