The smart automatic changeover switch popularly known as SmartAutocos user manual will give break down information on how to use it. possible faults and how to fix them
Content List
- Introduction
Brief overview of the product, its purpose, and application. - Safety Instructions
Electrical safety guidelines
Personal protective measures
Warnings about improper wiring - Product Overview
What the Smart Changeover Switch does
How it automatically switches between mains and generator
Key features and advantages - Technical Specifications
Voltage, current rating, frequency, load capacity, etc. - Installation Guide
Tools required
Mounting instructions
Wiring diagram (line, neutral, generator, load, etc.) - Wiring Connections
Step-by-step electrical connection instructions
Color coding of terminals
Testing connections before powering - Operation Guide
Automatic mode
Manual mode (if available)
LED indicators and their meanings - Maintenance
Cleaning, inspection, and servicing
Preventive maintenance schedule - Troubleshooting
Common issues and how to fix them
Symptoms, causes, and solutions table - Warranty & Support
Warranty conditions
Customer service contact information - Appendix
Example installation diagram
Spare parts information
- Introduction
The smart automatic changeover switch is s product of Richmontech Limited designed to automatically manage the switching of electric power supply between main power source and generator or solar without human intervention to ensure continuous un- interrupted power supply, protecting equipment from any kind of electrical danger in a residential and commercial building.
- Safety Instructions
Only qualified electricians should install this unit to ensure safety and avoid complication.
Disconnect all power sources before installation.
Use appropriate protective gear like (gloves, insulated tools, etc.).
Do not expose the device to water or moisture area.
Ensure to tight electrical connectors to prevent overheating
- Product Overview
The Smart-Autocos is a single/3 phase smart automatic changeover switch that monitors the availability of utility power (mains) and automatically transfers load to generator power during power failure. Once mains is restored, the system automatically switches back.
5. Technical Specifications
- Installation Guide
a. Ensure power is off before installation.
b. Mount Smart-Autocos box on a flat surface close to both mains and generator control points.
c. Use required cable size according to load.
d. Connect terminals according to the wiring diagram as shown.
e. Tighten all connectors terminal screws and double-check polarity.
f. Check power ON to test operation.
| Specification | Details |
| Rated Voltage | 230V AC ±10% |
| Rated Current | 30 – 200 Amperes |
| Frequency | 50/60 Hz |
| Delay Timer | 5–10 seconds not adjustable |
| Operating Mode | Fully automatic / manual |
| Phase | Single Phase | Three phase |
| Operating Temperature | -10°C to +55°C |
| Enclosure | Partial Flameable |
| Dimensions | 1200mm × 1200mm × 750mm |
| Dimensions | 1800mm × 1200mm × 750mm |
| Dimensions | 1800mm × 1800mm × 750mm |
| Dimensions | 2700mm × 1800mm × 750mm |
- Wiring Connections
Conneccors Terminal Description
a. MAIN POWER IN: Connect to utility power (NEPA/PHCN)
b. GEN OR SOLAR IN: Connect the generator output to input of Smart-Autocos
c. LOAD OUT: Connect the house or equipment to Smart-Autocos load, ensure proper polarity check
Note:Always verify wiring before installation. Wrong connection may cause damage the device.
- Operation Guide
Automatic Mode:The system monitors mains supply. When mains fails, it automatically switches to generator after.
Manual Mode: Use power switch to selector manual or automatic for mains or generator.
LED Indicators:
- Green LED – Load Active
- Yellow LED – Waite
- Red LED – Mains power ON but will off after few second
- Maintenance
Regularly inspect connectors terminals for looseness or corrosion.
Keep the device clean and dry.
Do not overload beyond rated capacity.
Test functionality every 3 months.
Replace damaged wires immediately.
9. Troubleshooting
| Symptom | Possible Cause | Solution |
| Device not ON | Power not connected properly | Check power supply wiring or power switch |
| Generator not Off after changeover | Wire not connected from device to generator | Inspect control wire and connectors | |
| Frequent switching | Unstable mains voltage | Turn ON Bypass switch |
| Indicator not working | Voltage Protective fault | Replace voltage protector |
| Switching OFF/ON | Unstable mains voltage or short-circult | Check positive and negative wires touching each other |
| Power Switch and Protection Light ON But no power supply out | Open Device replace power panel | |
- Warranty & Support
This product is covered by a 6 month limited warranty against manufacturing defects from the date of purchase.
- Customer Support
Production Company:RichMonTech Limited
Email: support@richmontech.com.ng
Phone: +234 906 656 2508, +234 701 098 5166 - Address
1St Avenue Festac Town Lagos, Nigeria
51 Ewo Street, Omoku, ONELGA, Rivers State, Nigeria - Appendix
