Velux 3FC F21 User Manual

VELUX
®
33
Primary voltage: 230 V AC/50 Hz (±10%)
Power consumption:
− KFC 210 max 250 W
− KFC 220 max 500 W
Secondary voltage: 24 V DC (21-26.4 V DC)
Ripple voltage: max 2 Vpp
Load max.:
− 10 A (KFC 210)
− 2 x 10 A (KFC 220)
− ED 10% per 10 minutes
Alarm and error relays: Contact rating 24 V DC, 1 A
Battery backup:
− 2 x 12 V/7.2 A h
− Expected battery lifetime: 4 years
Interruption time between mains supply and batteries: Max 2.5 sec
Fuses:
− Battery fuse 25 A
− Thermo fuse 73°C
Status LED in break-glass point:
− Green light, system OK
− Yellow light, error. For details, see page 15 and 18-20
− Red light, alarm active
Environmental class: 1
Operational temperature: -5°C to +40°C
IP rating: IP 42
Cabinet size for wall mounting: 398 x 393 x 127 mm (W x H x D)
Mounting hole size for flush mounting:
− 355 (±5) x 355 (±5) x 100 mm (W x H x D)
− Wall thickness min 10 mm
Weight KFC 210:
− Without batteries: 3.1 kg
− With batteries: 8.0 kg
Weight KFC 220:
− Without batteries: 3.7 kg
− With batteries: 8.6 kg
Cabinet colour: RAL 9016, white
Maintenance: Once a year or according to local requirements (service
timer 15 months)
Technical data

Velux 3FC F21 Specifications

General

Brand	Velux
Model	3FC F21
Category	Control Systems
Language	English