The Complete Guide to FFU Operation & Maintenance
Created on 07.02
1. Understanding FFU Core Components (AC-Powered Model)
Key Components:
Ergonomic Handles
Use exclusively for transport; avoid impacts to prevent deformation
HEPA Filter System
Installation: Position horizontally with airflow arrow facing downward
Maintenance Platform
Only step on designated areas to prevent fan damage
Control Module
Power: AC220V 50Hz
Connection: IEC 3-pin/"品字" connector
Controls: Power switch + speed selector
2. Smart Control for DC FFU Systems
Motor Control Panel
Dual Display Modes:▶ Preset speed (standby) | Real-time speed (operational)
Three-Button Control:▶ Power | ▲ Speed+ | ▼ Speed-
Status LEDs:
Wiring Standards
plaintext
[Power Input] ←─ 220V 3-core cable (left entry port)
[RS485 Bus] → Daisy-chain topology (anti-interference)
3. Standard Operating Procedure
Initialization
Warm up for 3 minutes after power-on
Gradually adjust speed via variable controller
Modular Applications
Rapidly configure Class 10-100K cleanrooms with:• Support frames • Anti-static curtainsAdvantage: 40% faster deployment vs. traditional cleanrooms
4. Maintenance Protocol
Scheduled Maintenance
Item | Frequency | Key Steps |
Surface Cleaning | Weekly | Microfiber wipe only |
HEPA Replacement | 6-12 months | Post-replacement airflow test |
Safety Criticals
Environment Restrictions:❌ Oil mist / High humidity / Extreme temperatures❌ Corrosive cleaners
Electrical Safety:⚠️ Secure unit before wiring⚠️ Verify voltage/frequency match
5. Troubleshooting Quick Reference
Q: Speed control failure?→ Check RS485 connections and reboot panel
Q: Unusual fan noise?→ Power off immediately; inspect for foreign objects
Frequently Asked Questions (FAQ)
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