Mkii Sounder Base, 24VDC, Temporal 3 ISO8201 Evacuate

Document: LT0273	MX4428 MXP Engineering / Technical Manual
	Device Information and Programming

3.15	MKII SOUNDER BASE

3.15.1GENERAL

The MkII Sounder Base is a range of detector bases which are designed as low cost warning devices, some of which are loop powered and others are externally powered. The sounder is controlled by the detector which is plugged into the base, but the operation of the sounder can be quite separate from the operation of the detector. (Refer to section 3.3.)

The MkII Sounder Bases cannot be plugged into other bases. They must be mounted directly on the ceiling or wall.

At the time of writing, the MkII Sounder Bases are not SSL approved to AS4428. However they may be used for supplementary local sounders.

3.15.2SPECIFICATIONS

Line Connections	L(–), L1(+)
Remote LED Connection	R(–), L1(+)
Supply Voltage	20Vdc - 40Vdc
Quiescent Supply Current	200uA (ex MX loop)
Dimensions	110mm (diameter) x 37mm (excluding detector)
Weight	186g

	802SB	901SB	812SB	912SB
Power Source	Loop	24VDC	Loop	24VDC
Adjustable volume	Yes		No
Volume	68-90dBA		100dBA
Minimum Volume Current	1.2mA (loop)	1.2mA (ext	N/A
Consumption		supply)
Maximum Volume Current	6.8mA (loop)	6.8mA (ext	21mA (loop)	21mA (ext
Consumption		supply)		Supply)
Tone 1	Dutch Slow Sweep (AS2220 Evacuate)
Tone 2	Temporal 4
Tone 3	Slow Sweep
Tone 4	March Time Beep
Tone 5	Fast Sweep
Tone 6	Temporal 3 (ISO8201 Evacuate)
Tone 7	Alternating
Tone 8	Continuous

3.15.3WIRING

Wiring for the 802SB and 812SB is the same as the MUB, refer to Figure 3.1. The 901SB and 912SB wiring is similar, but they also require a 24V connection. Refer to the installation sheet supplied with these bases.

For the 901SB and 912SB, it is recommended that the external supply covers only one zone, or the power wiring be arranged so that an open circuit in the power feed cannot affect more than one zone. A loop arrangement with supervision and a reverse-feed relay can be used to achieve this - refer to Product Bulletin PBF0200.

Issue 1.5

24 March 2006

Page 3-31

MX4428 specifications

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Tyco MX4428 technical manual Mkii Sounder Base, 24VDC, Temporal 3 ISO8201 Evacuate

Models: MX4428