AGS Merlin 1000S+i Manuale d'uso e installazione - Pagina 4

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Merlin 1000S+i

Gas & Electric Utility Controller

2.1

POWER [1]

A 110-120VAC Single Phase electrical supply should be supplied to the panel.

This should be externally fused at 3 Amps using a fuse or circuit breaker.

2.2

GAS VALVE [2]

This terminal provides a 110-120VAC 3 amp signal to the Gas solenoid valve.

Please consult the solenoid valve installation instructions for further information.

2.3

ELECTRIC CONTACTOR [3]

A 110-120VAC electrical output should be supplied to an electrical contactor.

This will be internally fused at 3 Amps using a fuse or circuit breaker.

2.4

BMS OUT [4]

Terminal connections are available on the circuit board for connections to Building

Management systems. [NC – Normally Closed] [COM - Common] [NO – Normally Open].

These are volt free dry contact connections.

This is a relay that changes state in alarm or when gas is on/off and can be used in conjunction

with the 12VDC output and other external relays that affect other devices and controls such as

purge fans, audible alarms etc.

2.5

EM REMOTE [5]

The Remote Emergency Shut Off terminal is linked out as a factory setting.

Remote emergency shut-off buttons should be volt free and wired to the Merlin panel using a

Plenum Security Cable. White, 18/2 (18AWG 2 Conductor), stranded, CMP or similar.

2.6

GAS DETECTOR [6]

These terminals are marked [+ -] and [

These can be wired to various Merlin gas detectors.

If no detector is being used, leave the terminal link in place.

For more information / multiple detector wiring, consult the gas detector manual.

2.7

FS 1/2/3/4 [7]

This Fan Switch Output terminal switches when the key is turned on and off.

This can be linked to a fan switch (panel supplied separately) which can provide power to fans

when the control panel is switched on.

2.8

MONITOR [8]

This terminal can be wired to CO

If no CO

monitor is supplied leave the terminal link in [

For more information, consult the CO2 Monitor manual.

Rev: 04 Date: 22-10-18

] and should be volt free dry contact connections.

monitor to shut off the system in the event of High CO2 levels.

User & Installation Manual