Cleaver-Brooks Level Master Controller (Model 623-00192-000 / 623-00194-CW)
1. Product Overview
The Cleaver-Brooks Level Master Controller, offered in variants 623-00192-000 and 623-00194-CW, is a rugged, precision-engineered solution tailored for reliable liquid level monitoring and control in boiler systems. Its design emphasizes user safety, operational stability, and seamless integration, while offering enhanced diagnostics and superior accuracy to boost system performance and reduce downtime.
Key highlights include a dual-channel sensing input, adjustable alarm thresholds, and a robust enclosure that withstands high temperatures and industrial wear. Compact yet durable, the controller supports flexible mounting and is suitable for use in demanding environments.
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2. Technical Specifications
| Parameter | Specification |
|---|---|
| Model Options | 623-00192-000, 623-00194-CW |
| Function | Liquid level monitoring and control |
| Input Type | Dual float/probe or differential pressure inputs |
| Sensor Voltage | 24 VAC / 12 VDC common |
| Accuracy | ±1 mm or ±0.1% of span (whichever is greater) |
| Alarm Output | Two SPDT relays (form C) |
| Adjustable Alarm Setpoints | High and Low level thresholds |
| Power Consumption | < 5 VA |
| Enclosure Rating | NEMA 4 / IP66 (dust-tight, water-sealed) |
| Operating Temperature | –20 °C to +60 °C |
| Storage Temperature | –40 °C to +70 °C |
| Dimensions (W × H × D) | 150 mm × 200 mm × 90 mm |
| Weight | ~1.2 kg |
3. Installation Guidelines 🛠️
- Mounting: Secure the controller to a flat surface or panel using four screws. Ensure there is at least 20 mm clearance around the unit for ventilation.
- Wiring: Power wires must be connected correctly—match 24 VAC or 12 VDC depending on your power source. Sensor leads should be routed separately from high-voltage lines to minimize interference.
- Grounding & Shielding: Always ground the enclosure. If using float sensors, shield their cables and ground the shield only at one end to reduce noise.
- Environmental Placement: Avoid mounting near steam pipes or direct heat sources. The NEMA 4 / IP66 enclosure protects from splashes, but keeps the controller out of direct sunlight or condensation zones.
4. Maintenance & Usage Tips 🔧
- Periodic Checks: Inspect wiring for corrosion or abrasion. Confirm alarm relays operate at their threshold.
- Cleaning: Wipe the exterior with a damp cloth. Avoid using solvents or high-pressure water jets inside or around the controller.
- Functional Testing: Test high and low alarms at commissioning and during scheduled maintenance to ensure proper response.
- Fault Indicators: A hidden LED inside the enclosure signals internal fault—open the unit only when powered down and follow safety protocols before servicing.
- Serviceability: Replace relays and fuses as needed with equivalent parts as specified by Cleaver-Brooks. Do not open internal seals outside of service intervals to maintain enclosure integrity.
5. Recommended Similar Products
| Model | Description | Link |
|---|---|---|
| Model LM-X100 | Advanced level controller with LCD display | View Product |
| Model LM-Y200 | Compact level switch with single alarm | View Product |
| Model LS-300 Relay Unit | Relay-based high/low level control | View Product |
| Model LX-450 with HART | Smart level controller with HART support | View Product |
| Model LZY-500 Modular I/O | Expandable unit for multiple level points | View Product |
This Level Master Controller merges precision liquid-level sensing with user-friendly alarm configuration in a durable, industrial-grade package. When installed and maintained properly, it delivers strong performance and safety assurance in boiler and tank-level applications.
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