Technical Zones - Honeywell Esser 2 Series Operation And Installation Instruction

17.2.3 Technical zones

A maximum of 5 technical zones with series 9000 manual call points or dry contacts can be connected to the
Extinguishing Control Computer.
Each technical zone must be terminated in the last device with a 10 kΩ End-of-line resistor. Unused zone inputs
must also be connected with a 10 kΩ End-of-line resistor.
For installation use the recommended cable with the specification I-Y (St) Y n x 2 x ∅ 0.8 mm.
It is not possible to connect addressable automatic detectors (EDD) and conventional automatic
detectors with switch-on-control operation (SOC) to this system.
Inputs for connecting manual call points / push-button controls
Monitoring: 10kΩ normal / 1kΩ activated
+ - + - + - + - + -
MAN. EM.
ALARM STOP
10K 10K
Fig. 26: Connecting the technical zones
Manual alarm
Emergency Stop
Extra release
Blocking
Failure
extinguishing system
FB 798352 / 11.07
FAILURE
EXTRA
BLOCKING
EXTING.
RELEASE
System
10K 10K
10K
Connection of manual call points (Manual detector zone)
Connection of push-button controls (Emergency Stop zone)
Connection of push-button controls (Extra release zone)
Connection of mechanical switch contacts (e.g. cutoff cocks / faucets) for monitoring
deluge / release flow (blocking zone).
Connection of push-button control or trouble contact of the connected fire
extinguishing system
Extinguishing Control Computer 8010 - Series 2
91