Control And Indicating Equipment Power-Up; General Wiring Requirements; Mains Wiring; Detection Zones - Numens 4001 Series Installation And Service Manual

Non-addressable 2, 4, 8 zone fire alarm control and indicating equipment
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6.4.

Control and Indicating Equipment Power-Up

Before connecting external wiring, apply power to the control and indicating equipment with the end-of-line
devices for detection and alarm zones installed.
Depending on panel load and standby requirements, two DC 12 V valve-regulated lead-acid batteries with a
capacity up to 7 Ah may be fitted in the enclosure. The batteries should be wired in series (DC 24 V) using the
supplied link. Take care not to short circuit the battery terminals.
With mains and battery power connected, there should be no fault indications.
6.5.

General Wiring Requirements

Wiring should be installed in accordance with National Standards and wiring regulations.
To protect against electrical interference the use of screened cables throughout the system is recommended.
Separate cables should be used for alarm and detection circuits, the use of multi-core cables to carry alarm
circuits and detector circuits is not recommended. The cable screens should be terminated and connected to
Earth at the panel only.
Maximum cross section of cables to use is 2.5 mm² to avoid damaging the terminals in the control and
indicating equipment.
The input/output terminals are shown below.
Detection
Zone Inputs
Z1
Z2
Z3
Z4
Z5
6.6.

Mains Wiring

Mains supply wiring should only be undertaken by a suitably qualified and competent person.
Mains wiring should be 3-core (1 ~ 2.5) mm², fed from a dedicated 3 A (or greater) circuit breaker. The circuit
should be secured from unauthorized operation and be marked "Fire Alarm Do Not Switch Off".
The mains supply should be routed away from the other cables and enter the control and indicating equipment
adjacent to the Mains terminal block.
6.7.

Detection Zones

Each zone has capacity for at least 32 devices. Alarm zone limitations may also be restricted by local
regulations.
A capacitor end-of-line device is supplied for each zone as part of the monitoring circuit. Fit the capacitor to
the last device of each Zone. If a zone is unused, fit the end-of-line capacitor to the zone terminals. If the
capacitor is not installed, a fault will be indicated for that zone.
A detector circuit wiring layout is shown below. Consult the device installation instructions for device
termination requirements.
All specifications and other information shown were current at the date of publication and subject to change without notice.
4001 non-addressable control and indicating equipment
Alarm Device
Output
Z6
Z7
Z8
MPX
DATA
Active
Earth
Neutral
Fuse
11
© 2015 ~ 2018 Ambest Electronics (Ningbo) Co Ltd. All rights reserved.
Installation and Service Manual
Fault
Fire
Remote
Relay
Relay
Reset
S1
AUX
FIRE
FLT
INPUTS
C
NC
NO
C
NC NO
C
NC
DE
Day/Night Mode
Common
Evacuation on/off
Auxiliary Supply
Output (DC 24 V)
RESET AUX SP
C
DV
32-0002-r12_2018-09

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