YF3-0020L
The TYY YF3-0020L is a 20-zone conventional fire alarm control panel from Yun Yang (TYY) Fire Safety Equipment's YF-3 series, designed for wall-mount installation in larger facilities with individual zone monitoring for fire, circuit break, and short conditions.
It features dual-stage alarm delay (9-40 seconds) to prevent false alarms, voltage error detection with charger fault indication, automatic detector reset capability, and support for unlimited heat detectors or up to 30 smoke detectors per zone.
Specifications Table
| Specification | Details |
|---|
| Specification | Details |
|---|---|
| Part Number | YF3-0020L |
| Description | 20-zone conventional wall-mount panel |
| AC Input | 240VAC 50/60Hz ±10% |
| DC Operation | 18–32VDC; trickle charge <26VDC 450mA |
| Zones | 20 circuits; 10kΩ EOL resistor |
| Sounder Output | 2 circuits; >85dB buzzer @1m |
| Relay Output | Fire relay (NO, 250VAC/7A) |
| Backup Battery | 24VDC sealed lead-acid |
| Detector Capacity | Unlimited heat; max 30 smoke per zone |
| Cabinet | Steel powder-coated, flame-retardant |
