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General| Brand | Honeywell |
|---|---|
| Model | 4000 Series |
| Category | Controller |
| Language | English |
Details operating and shipping temperatures, and relative humidity including NEMA-3R/IP54 rating.
Specifies the maximum sound pressure level at a 1-meter distance.
Covers power supply, consumption, and input voltage/current ratings for ML7984 and ML6984.
Provides the approximate shipping weight of the product.
Lists available accessories and replacement parts for the actuators.
Details valve stroke range, bonnet size, stroke timing, and closing force.
Outlines minimum signal input duration, life expectancy, and hysteresis.
Guidelines for correct installation and mounting of the actuator, including environmental considerations.
Important checks and warnings before starting the installation process.
Step-by-step instructions for physically connecting the ML_984 actuator to the valve stem.
Wiring diagrams and notes for ML6984 with Series 60 or electronic controllers.
Wiring diagram for ML6984 with 5-wire control systems, including accessory use.
Diagrams for ML7984 wiring with 0-10 Vdc and 4-20 mA analog control signals.
Wiring configurations for ML7984 with 135Ω slide wire and common transformer setups.
Wiring diagrams for ML7984 with Series 90 'Supermod' controllers, with common/individual transformers.
Wiring for 4-20 mA multiple actuator applications, covering master and slave configurations.
Details microprocessor control, self-calibration, and force-based stopping for ML6984.
Explains how sensing circuits and digital counters control the ML7984 based on input signals.
Important safety warnings and operational notes for ML7984 and general installation.
Information on using ML6984 as a direct replacement for old ML684A actuators.
Guidance on using ML6984 as a replacement for ML6874, including parallel applications.
Steps to ensure the valve stem is correctly installed and secured before applying power.
Procedure for verifying 5-wire installation for ML6984, including stem movement tests.
Steps to verify ML7984 operation with DIP switches and controller signal inputs.
Possible causes and actions for issues with valve closure.
Diagnosing and resolving noisy motor symptoms.
Troubleshooting steps for motor overheating or component failure.
Actions for when the actuator LED is on or off, indicating no response.
Troubleshooting signal degradation due to incompatible load impedance.
Resolving issues with ML 6984 not closing or locking up with T87.
