26-1368-01
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To Disarm the system:
Disconnect the Impulse Valve Operator from the suppression container as detailed on the Impulse Valve
Operator component sheet, P/N 06-492.
Inspections & Testing
The suppression system(s) shall be inspected and tested in accordance with the requirements of
BS7273 Pt1 : 2006 and the Local Authority Having Jurisdiction (AHJ). Inspection and testing shall be
performed by the system installer or an approved maintenance company who has been trained on the
correct operation and testing of the system. Any defects should be recorded and reported to the person
responsible for routine testing.
DIL Switch SW1 Settings
The IRM can be configured via an on board DIL switch SW1 as per the table below. The
last
device on
the zone circuit must have the EOL signal
enabled
(switch number 1 in the ‘ON’ position).
Switch
position
Configuration
1
OFF (Default) – Not an EOL device.
ON – EOL device.
2
OFF (Default) – IRM indicates Released State only when a Discharge pressure switch
activates.
* ON – IRM indicates Released State when an IVO coil is energized OR a Discharge pressure
switch activates.
NOTE: Only one IRM per zone circuit shall be set to activate the Discharge Pressure
Switch input.
3
OFF (Default) – Discharge pressure contact is Normally Open.
ON – Discharge pressure contact is Normally Closed.
4
OFF (Default) – Bottle pressure contact is Normally Open.
ON – Bottle pressure contact is Normally Closed.
5
OFF (Default) – IVO presence contact is Normally Open.
ON – IVO presence contact is Normally Closed.
6
Always OFF.
Unused.
7
Always OFF.
Used for Factory Test mode.
8
Always OFF.
Used for Factory Test mode.
* This option can be used when a Discharge pressure switch is not installed for Releasing pressure
confirmation. In that case the IRM can indicate a Released state as soon as the IVO coil is energized.
