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The Complete Guide to FFU Operation & Maintenance

2025-07-02

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

[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 curtains
Advantage: 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

102, Building 4, No. 23 Yongfeng Road, Yongshan Village, Shiqi Town, Panyu District, Guangzhou City, Guangdong Province E-mail: sales01@gzkunling.com Tel: +8613316272505 Tel: +8613316272505

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