Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the Keenso 3 Phase DIN Rail Voltmeter Ammeter Overvoltage Overcurrent Protector, Model CHLT 63 (40A). Please read this manual thoroughly before using the device to ensure safe and efficient operation.
The device is designed to monitor real-time voltage and current in a 3-phase AC system (390-500V) and automatically protect against overvoltage, undervoltage, and overcurrent conditions. It features a digital display for easy monitoring and an automatic reset function.
Safety Information
- Electrical Hazard: Installation and maintenance should only be performed by qualified personnel. Ensure power is disconnected before any installation or wiring.
- Voltage Range: Do not exceed the specified operating voltage range of AC 390-500V.
- Current Rating: Ensure the load current does not exceed the device's rated current (40A for this model).
- Environmental Conditions: Operate the device within specified environmental conditions (temperature, humidity) to prevent damage.
- Proper Wiring: Incorrect wiring can lead to device malfunction, damage, or electrical hazards. Follow wiring diagrams carefully.
Product Overview
The Keenso CHLT 63 is a compact 3-phase protection device designed for DIN rail mounting. It integrates voltmeter, ammeter, overvoltage, undervoltage, and overcurrent protection functions into a single unit.
Key Features:
- Digital display for real-time voltage and current monitoring across three phases.
- Automatic cut-off upon detection of overvoltage, undervoltage, or overcurrent.
- Adjustable overvoltage and undervoltage setting values.
- Automatic reset function to restore power after fault conditions clear.
- DIN rail installation for quick and secure mounting.
Figure 1: Front view of the Keenso 3 Phase DIN Rail Protector. This image shows the digital displays for voltage (V) and current (A) for each of the three phases (L1, L2, L3), along with the 'SET', 'Up', 'Down', and 'Power' buttons. The model number 'PD3-63VA' and 'CE' marking are visible.
Setup and Installation
1. Mounting
- Ensure the main power supply is turned off before installation.
- Mount the device onto a standard 35mm DIN rail. The device is designed for simple clip-on installation.
- Ensure the device is securely fastened to prevent movement.
Figure 2: Side view of the Keenso 3 Phase DIN Rail Protector. This image highlights the input terminals labeled 'N', 'L1', 'IN', 'L2', and 'L3', indicating where the incoming power lines should be connected.
2. Wiring
Connect the incoming 3-phase AC power supply to the 'IN' terminals and the load to the 'OUT' terminals. Refer to the wiring diagram below:
- N: Neutral wire connection.
- L1, L2, L3 (IN): Connect the three phase lines of the incoming power supply.
- L1, L2, L3 (OUT): Connect the three phase lines to the load.
Figure 3: Top-down view of the Keenso 3 Phase DIN Rail Protector. This image clearly shows the 'N', 'L1', 'IN', 'L2', 'L3' terminals at the top and 'N', 'L1', 'OUT', 'L2', 'L3' terminals at the bottom, illustrating the connection points for both input and output wiring.
Important: Double-check all wiring connections for correctness and tightness to prevent loose connections and potential hazards.
Operating Instructions
1. Power On
After completing installation and wiring, turn on the main power supply. The digital display will illuminate, showing the real-time voltage and current for each phase.
Figure 4: Keenso 3 Phase DIN Rail Protector with illuminated digital displays. This image shows the device powered on, with red LED displays indicating voltage and current values for L1, L2, and L3, against a blue circuit board background.
2. Setting Parameters
Use the 'SET', 'Up' (▲), and 'Down' (▼) buttons to adjust protection parameters.
- Press the 'SET' button to enter the parameter setting mode.
- Use 'Up' (▲) and 'Down' (▼) to navigate through different parameters (e.g., Overvoltage Setting Value, Undervoltage Setting Value, Overcurrent Setting Value, Power Off Time).
- Press 'SET' again to select a parameter, then use 'Up' (▲) and 'Down' (▼) to adjust its value.
- Press 'SET' to confirm the new value and move to the next parameter, or wait a few seconds for the device to automatically save and exit the setting mode.
Default/Recommended Settings:
- Overvoltage Setting Value: AC 390-500V (Adjustable)
- Undervoltage Setting Value: AC 370V-140V (Adjustable)
- Power Off Time (Voltage): 5-300 seconds (Adjustable)
- Power Off Time (Current): 30-300 seconds (Adjustable)
- Load Current: 1-40A (for this model)
3. Automatic Protection and Reset
When voltage or current exceeds the set limits, the device will automatically cut off power to the load. Once the fault condition returns to normal within the set power-off time, the device will automatically reset and restore power.
Maintenance
- Regular Inspection: Periodically inspect the device for any signs of physical damage, loose connections, or discoloration.
- Cleaning: Keep the device clean and free from dust and debris. Use a dry, soft cloth for cleaning. Do not use liquid cleaners.
- Environmental Control: Ensure the operating environment remains within the specified temperature and humidity ranges.
- Firmware Updates: This device does not typically require firmware updates. If any are released, they will be communicated by the manufacturer.
Note: There are no user-serviceable parts inside the device. Do not attempt to open or repair the unit yourself, as this will void the warranty and may pose a safety risk.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power supply; incorrect wiring; device fault. | Check main power supply. Verify wiring connections. If power is present and wiring is correct, contact support. |
| Power cuts off frequently. | Voltage/current outside set limits; sensitive settings. | Check real-time voltage/current readings. Adjust overvoltage/undervoltage/overcurrent settings if necessary, ensuring they are appropriate for your system. |
| Display shows abnormal readings. | Loose wiring connection; internal fault. | Check all wiring connections for tightness. If the issue persists, contact support. |
| Device does not reset automatically. | Fault condition persists; automatic reset function disabled (if applicable); device fault. | Ensure the fault condition (overvoltage/undervoltage/overcurrent) has cleared. Check the 'Power Off Time' setting. If the issue persists, contact support. |
Specifications
| Parameter | Value |
|---|---|
| Brand | Keenso |
| Model | CHLT 63 (Keensoh41x5detfm-11) |
| Load Current | 1-40A (for this model) |
| Overvoltage Setting Value | AC 390-500V |
| Undervoltage Setting Value | AC 370V-140V |
| Power Off Time (Voltage) | 5-300 seconds |
| Power Off Time (Current) | 30-300 seconds |
| Installation | Approx. 35mm DIN rail |
| Item Weight | 14.5 ounces |
| Package Dimensions | 4.33 x 3.94 x 2.76 inches |
Warranty Information
Keenso products are typically covered by a manufacturer's warranty against defects in materials and workmanship. The specific duration and terms of the warranty may vary. Please refer to the warranty card included with your product or contact Keenso customer support for detailed information.
Note: The warranty may be voided if the product is misused, improperly installed, modified, or repaired by unauthorized personnel.
Customer Support
If you encounter any issues or have questions regarding the Keenso 3 Phase DIN Rail Voltmeter Ammeter Overvoltage Overcurrent Protector, please contact Keenso customer support.
- Online Support: Visit the official Keenso website for FAQs, support resources, and contact forms.
- Email Support: Refer to your product packaging or the official website for the customer support email address.
- Phone Support: Refer to your product packaging or the official website for customer service phone numbers.
When contacting support, please have your product model number (CHLT 63 / Keensoh41x5detfm-11) and purchase information ready.
