Bosch Appliances FLM-I, S, 420 manual

2 FLM‑I 420‑S Short Circuit Isolator
Wiring example: Isolation of separate floors						•	The surface-mounted housing has two cable ducts on
							opposite sides:
							-	2 x 2 pre-punched for diameter up to 21 mm/to
							-	34 mm (for conduits)
				FLM-I 420-S				2 x 4 rubber bushes for inserting cables with
		b1+	a-	b2+		•		diameters of up to 8 mm.
							In addition, there are cable ducts on the base of the
							surface-mounted housing:
					III		-	1 x pre-punched cable ducts for diameter up to
							-	21 mm (for conduits)
								2 x 4 rubber bushes for inserting cables with
						•		diameters of up to 8 mm.
				FLM-I 420-S			Connectable to the fire panels FPA‑5000 Modular and
							FPA‑1200 with LSN technology improved version.
		b1+	a-	b2+
					II	Parts Included
						Qty.		Components
				FLM-I 420-S		1		Short Circuit Isolator with surface-mounted housing.
						1		DIN rail adapter
		b1+	a-	b2+
						Note		Alternatively to the use of the surface-
					I			mounted housing, the Isolator can be
		LSN						mounted on a DIN rail with the included
	1	b+						adapter.
	LSN2
		a-
		b+				Technical Specifications
		a-
	LSN1	LSN
Pos.	Description					Electrical
1	Fire panel					Input voltage			15 V DC to 33 V DC
I, II, III	Floors					Max. current consumption

Typical wiring in a T‑Tap						•	During initialization	< 0.4 mA
						•	Following the initializa-	< 0.25 mA
	FLM-I 420-S			FLM-I 420-S
LSN	b1+		1	b1+			tion
	a-	a-	a-	a-
						Mechanics
	b1+	b2+	b1+ b2+		LSN
	b2+			b2+
						LSN/Address setting		3 rotary switches for

Pos. Description

1Alarm zone / device group with LSN elements

Certifications and Approvals

Complies with EN54-17:2005

Region	Certification
Germany	VdS	G 207045 FLM-I 420-S; FLM-I 420-D

Installation/Configuration Notes

•National standards and guidelines must be taken into account during the planning stage.

•	Mode LSN classic or LSN improved
	version
•	Automatic or manual addressing

Connections		6 threaded clamps
Housing material
•	Isolator module	PPO (Noryl)
•	Surface-mount hous-	ABS/PC-Blend
	ing
Housing color
•	Isolator module	Off-white, similar to RAL 9002
•	Surface-mount hous-	Signal white, RAL 9003
	ing
Dimensions		Approx. 126 x 126 x 71 mm
		(4.96 x 4.96 x 2.8 in.)
Weight		Approx. 150 g (5.3 ounces)