F220 Heat Detectors
Current, alarm (detector head only) | 20Â mA minimum at 8.5Â VDC, 35Â mAÂ maximum at 32Â VDC |
Current (start‑up\standby) | 0.12 mA maximum at 35 VDC |
Maximum RMS Ripple: | 25% of DC input |
Power-up Time | 22Â sec maximum |
F220‑B6 | 8.5 VDC to 32.0 VDC |
F220‑B6C/‑B6R/‑B6E | 10.0 VDC to 30.0 VDC |
F220‑B6RS | 16.0 VDC to 30.0 VDC |
F220‑B6PM | 18.9 VDC to 28.0 VDC |
F220‑B6PSWith D299Without D299: | 18.9 VDC to 28.0 VDC 9.6 VDC to 28.0 VDC |
Relative Humidity | 0% to 95% non-condensing |
Temperature (normal operating) | +32°F to +100°F (0°C to +38°C) |
Color | White |
Dimensions (diameter x H) | 6.75 in. x 2.25 in. (17.1 cm x 6.4 cm) |

Remote indicator plate, 5V
CTN DRA-5
Product No. 4.998.132.729
Provides remote annunciation of alarms for a number of Bosch smoke and heat detectors

Base, 2-wire, 12/24V
CTN F220-B6
Product No. 4.998.112.240
Standard base for two‑wire (12 VDC or 24 VDC system) applications. The base works with the F220 smoke detectors and heat detectors.

Base with form A relay, 4-wire, 12/24V
CTN F220-B6R
Product No. 4.998.112.242
Standard base for four‑wire (12 VDC or 24 VDC) detector systems. The base works with the F220 smoke detectors and heat detectors.

Base with sounder & form A relay, 4-wire
CTN F220-B6RS
Product No. 4.998.112.230
Four-wire detector base with sounder for use with the F220 Photoelectric Smoke and Heat Detectors.

Base, 4-wire, form A & C relays, 12/24V
CTN F220-B6C
Product No. 4.998.113.024
Four‑wire base with a normally‑open (NO) alarm loop relay and a set of auxiliary contacts (Form C). The base works with the F220 smoke detectors and heat detectors.

Base, end-of-line relay, 4-wire 12/24V
CTN F220-B6E
Product No. 4.998.114.525
Four‑wire base with a normally‑open (NO) alarm relay and an EOL power supervision relay. The base works with the F220 smoke detectors and heat detectors.

Base, multiple, 4-wire 12/24V
CTN F220-B6PM
Product No. 4.998.125.341
Multiple detector base provides an address on the FACP data expansion circuit for its detector and up to an additional 19 detectors, accepts the F220 Photoelectric Smoke Detector Heads and Heat Detector Heads in an F220-B6 Base

Base, single, 4-wire 12/24V
CTN F220-B6PS
Product No. 4.998.151.484
Single detector base provides address on the FACP data expansion circuit for its detector, accepts the F220 Photoelectric Smoke Detector Heads and Heat Detector Heads

Detector removal/testing tool
CTN DT-2
Product No. 4.998.151.481
Use the DT‑2 to remove, replace, or test the detector head