Bosch Appliances installation manual 1 F220-B6C, 2 F220-B6E

14 en Install the Bases F220 Series Detectors with F220-B6/C/E/R Bases

3.5.1F220-B6C:

The F220-B6C base has a normally open alarm loop relay and auxiliary Form C (NC/C/NO) contacts. The contacts are rated for 0.5 A at 120 VAC/DC for resistive loads. Refer to Figure 3.3 for wiring details.

_
1 +						1
F220-B6C	b2 b1				4	a1/a2 c
	3		C	NO
		4			C NC
	NO			3
	5
				2 1
2 +				+	2

1. Power input (positive [+]		from terminal 4) from the
in on terminal b2, out from		control panel or from a
terminal b1; negative [-] in		previous four-wire base
and out from terminal		and output to the next
a1/a2) from the control		four-wire base or to loop
panel or from a previous		termination (refer to
four-wire base and output		Figure 3.4 on page 15
to the next four-wire base.		[F220-B6E] or Figure 3.6
2. Initiating device circuit		on page 17 [D275]).
(IDC) input (positive [+]	3.	Alarm Loop Relay
inand out from terminal 5	4.	Auxiliary Form C Alarm
and negative [-] in and out		Relay

Fig. 3.3 Wiring F220-B6C Four-wire Bases

3.5.2F220-B6E:

The F220-B6E Power Supervision Base has a normally-open alarm loop relay that activates when the unit is in alarm and a power supervision relay that activates when power is supplied. Separate power supervision devices, such as the D275, are

4998138694 -04 2007.01 Installation Manual Bosch Security Systems, Inc.