What is the Dindan Cooling Unit?
The Dindan Cooling Unit is a high-efficiency enclosure cooling system designed to control the internal temperature of electrical control panels. Used in industrial settings such as factories, automation lines, and control rooms, it delivers stable, filtered cold airflow directly into sealed enclosures, protecting critical components such as PLCs, power supplies, relays, and circuit boards.
Unlike general-purpose fans or building AC, Dindan cooling units ensure consistent and direct cooling even in dusty, hot, or oily environments where overheating can cause serious damage.
Basic Maintenance Overview
The Dindan electrical cooling unit is easy to maintain. Regular care mainly involves keeping the air filter and condenser coil free from dust and debris. Also, monitor the LED indicators to detect early warning signs of potential problems. Let’s break it down further.
Troubleshooting Guide: Understanding Fault Indicators
Dindan units are equipped with sensors and LED indicators to help diagnose issues quickly. Here is how to read them:
1. Red Light Blinking Continuously
-
Fault Type: High refrigerant pressure.
-
Unit Status: Still operates but less efficiently.
Causes & Fixes:
-
Ambient temperature too high → Ensure it’s within the unit’s rated limits.
-
Dirty condenser → Clean it.
-
Dirty air filter → Clean or replace it.
-
Faulty condenser fan → Replace the fan.
2. Red Light Blinking Intermittently
-
Fault Type: Risk of icing.
-
Unit Status: Automatically shuts off to protect the system.
Causes & Fixes:
-
Set temperature too low → Raise the set point.
-
Dirty evaporator → Clean it.
-
Evaporator fan failure → Replace the fan.
-
Low refrigerant → Contact cooling technician.
3. No LED Signal
-
Fault Type: Unit not operating.
-
Unit Status: Fully stopped.
Causes & Fixes:
-
Power off at the control panel → Turn it on.
-
No power → Check power supply.
-
Breaker tripped → Reset the breaker.
-
Under-voltage → Check line voltage.
-
Internal fuse failure → Call technician.
3-Level Maintenance Program for Dindan Cooling Units
To ensure your Dindan unit performs reliably for years, follow this structured 3-level maintenance plan:
|
Level |
Task |
Performed by |
Frequency |
|
Level 1 |
Clean air filter |
Machine operator |
Daily or per shift |
|
Level 2 |
Clean condenser, evaporator, fan |
Maintenance team |
Every 1–3 months |
|
Level 3 |
Full inspection, refrigerant check |
Dindan technician |
Every 2–3 years |
Level 1: Daily Air Filter Cleaning
-
Who: Machine operators.
-
Why: To maintain clear airflow and prevent dust buildup.
-
How:
-
Remove the filter.
-
Blow out dust with compressed air.
-
Wash with mild soap if very dirty.
-
Let it dry completely before reinstalling.
Keeping the filter clean prevents airflow blockage and keeps your unit from overworking.
Level 2: Scheduled Internal Cleaning
-
Who: In-house maintenance team.
-
Why: To prevent internal dust buildup and maintain cooling efficiency.
-
How:
-
Use compressed air to clean condenser coils.
-
Wipe evaporator coil with a clean cloth.
-
Clean dust or grease from the blower fan.
-
This step ensures that internal heat-exchange components remain efficient.
Level 3: Full System Inspection
-
Who: Dindan technician or expert maintenance personnel.
-
Why: To inspect, clean, and fine-tune every part of the system.
-
Scope:
-
Disassemble the unit for deep cleaning.
-
Inspect refrigerant pressure.
-
Check electrical connections.
-
Replace worn components if necessary.
If Levels 1 and 2 are done regularly, this level can often be delayed unless issues arise.
Enclosure Cooling Unit Distributor in Singapore
LFC PTE LTD is the authorized distributor of Dindan Cooling Units in Singapore. We provide complete support, from system selection and installation to maintenance advice and technical service.
Stay updated on Dindan products by following LFC PTE LTD on social media. You can find us on Facebook, Instagram, YouTube, and LinkedIn.
