Bosch Appliances 3922 988 43318 CCU Mains voltage and adjustment, Removal top cover, 25 a

Digital Congress Network Installation and Operating Manual Chapter 4 - Central Control Equipment en 4-5

4.4.1 CCU Mains voltage and adjustment

Depending on the CCU version, the CCU on delivery is set ready for use on one of the following voltages:

•LBB 3500/xx(European version) 230 V a.c.

•LBB 3500/xxD(UL approved version) 125 V a.c. plus mains cable

4.4.2 CCU Mains cable, plug and socket

The CCU is supplied with a 3-core mains cable terminated with a 2-pole mains plug with earth contacts (or earth pin LBB 3500/xxD) for connection to the mains supply, and at the other end with a CEE connector for connection to the mains socket on the CCU. For use in some countries it may be necessary to replace the mains cable with one of a local standard type.

For alternative voltages (i.e. 105 V, 115 V, 220 V or 240 V a.c.) the unit provides a 10-pole connector block for mains selection (see FIG 4-3). A mains tally (FIG 4-4) showing the connection details is visible on one side of the unit once the top cover is removed.

Removal top cover

WARNING: Before removing the top cover, disconnect the mains and mains cable from the unit. Read also the ‘Safety Precautions’ at the front of this manual.

1.Unscrew and remove the four side panel securing screws (two on each side of the unit) and care- fully remove the top cover.

2.DO NOT lose the toothed shake-proof washers, these electrically bond the top cover to the earthed chassis. For safety reasons these washers must always be fitted when the unit is in use.

WARNING Ensure that the CCU is not connected to the mains supply when rewiring for a different mains voltage.The CCU must be earthed via the mains supply using the green/

•Live/brown

•Neutral/blue

•Earth/green yellow

WARNING

This apparatus must be earthed

Fuse holder

illustrated

T 2A 250V version LBB 3500/05

4.4.3 CCU Mains fuse rating

The CCU mains fuse is housed in the mains socket located at the rear of the unit (see opposite) Replacement fuses see Table 4-2::

yellow wire.The mains plug must be an earthed type.

		/05	UL/CSA	T 2.5 A			UL/CSA	T 1.25 A
FUSE			IEC	T 4 A			IEC	T 2 A
		/15	UL/CSA	T 5 A			UL/CSA	T 2.5 A
		/35	IEC	T 5 A			IEC	T 4 A
			105V	115V		125V	220V	230V	240V
CONNECTOR 10P
	1		BLUE MAINS	N.C		BLUE MAINS		N.C	BLUE MAINS
	2		BLACK
				GREEN			BLACK	GREEN
	3		GREEN	BLUE MAINS	BLACK		GREEN	BLACK
	4			ORANGE			N.C	BLUE MAINS	N.C
	5
					BLUE (from transformer)			VIOLET
	6		N.C	BLACK		N.C
	7
				N.C		YELLOW		ORANGE
	8
	9			VIOLET				N.C
	10
						BROWN

N.C. = Not Connected

FIG 4-4 Mains supply tally and mains socket

WARNING: All units must be powered via an earthed mains outlet.

Table 4-2: Mains voltage and Fuse ratings on delivery

Type No.	Voltage	Fuse	Nominal Power consumption (Watts)
LBB 3500/05	230 V	T-2A	175 W
LBB 3500/05 (D)	125 V	T-2,5A
LBB 3500/15	230 V	T-4A	350 W
LBB 3500/15(D)	125 V	T-5A
LBB 3500/35	230 V	T-4A	350 W
LBB 3500/35(D)	125 V	T-5A
LBB 4106/00	230 V	T 4A	350 W
LBB 4106/00(D)	125 V	T 5A
LBB 3508/00	230 V	T 2A	175 W
LBB 3508/00(D)	125 V	T 2.5A

NOTE: (D) versions applicable for North American market only.

WARNING: Only replace with fuse of the same type (Rating and Breaking Capacity).

Bosch Security Systems 04-2003 3922 988 43318 en LBB 3500/35, LBB 3500/35(D) Multi Central Control Unit