FireFlex DUAL - SEQUENCE OF OPERATION

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DUAL Page 7 of 28
Integrated Fire Protection System
OWNER'S OPERATION & MAINTENANCE MANUAL
FM-0860-0-31F
4.4 SEQUENCE OF OPERATION
The remote releasing control panel shall be configured for the
following operation.
4.4.1 Automatic release
1. Actuation of a detector from one detection zone:
a) “ZONE 1” (or “ZONE 2”) activates.
b) "ALARM" audible devices activate.
c) “ALARM” contacts activate.
d) Preaction solenoid valve (F3) activates.
Note: Preaction piping network will not yet be filled with
water.
2. Actuation of a detector from the other detection zone (for
crossed zones configuration):
a) “ZONE 2” (or "ZONE 1”) activates.
3. Discharge sequence occurs:
a) “PRE-DISCHARGE NOVEC 1230” contacts activate.
b) Pre-discharge delay starts (not exceeding 60 sec).
c) "SECOND STAGE ALARM" audible devices activate.
Note: The abort station from the remote releasing control
panel will prevent the NOVEC 1230 discharge as long as
being maintained if activated during the pre-discharge
delay.
4. After pre-discharge delay is completed:
a) NOVEC 1230 electric actuator (C) activates.
If NOVEC 1230 discharge switch option is selected:
b) “DISCHARGE NOVEC 1230” contact activates.
5. After a preaction sprinkler head fuses:
a) Deluge valve (A1) opens; water will flow into sprinkler
piping network and out of sprinklers and any openings
on the system.
b) “WATERFLOW PREACTION” contact activates.
4.4.2 Manual release
1. Actuation of a manual release pull station within the
system:
a) "ALARM" audible devices activate.
b) “ALARM” contacts activate.
c) Preaction solenoid valve (A1) activates.
Note: Preaction piping network will not yet be filled with
water.
d) “PRE-DISCHARGE NOVEC 1230” contacts activate.
e) Pre-discharge delay starts (not exceeding 30 sec).
f) "SECOND STAGE ALARM" audible devices
activate.
2. After pre-discharge delay is completed:
a) NOVEC 1230 electric actuator (C) activates.
If NOVEC 1230 discharge switch option is selected:
b) “DISCHARGE NOVEC 1230” contact activates.
3. After a preaction sprinkler head fuses:
a) Deluge valve (A1) opens; water will flow into
sprinkler piping network and out of sprinklers and any
openings on the system.
b) “WATERFLOW PREACTION” contact activates.
Note: At any time, if the optional mechanical
activator (J) is activated, the NOVEC 1230 will be
released.
At any time, if the emergency release valve (B10) is
activated, the preaction piping network will be filled
with water. Only the "ALARM" audible devices will
activate.
4.4.3 Abort Station
1. Actuation of an abort station within the system:
a) "TROUBLE” contact activates.
When abort release switch is activated, pre-discharge
timer will continue to count down until it reaches
10 seconds and then wait. Releasing the abort release
switch will allow the pre-discharge to continue its count
down from 10 seconds. If the abort release switch is again
activated before the pre-discharge timer reaches zero, the
timer will reset to 10 seconds and wait.
4.4.4 System supervisory
1. Actuation of a supervisory device such as low pressure
switch or valve in wrong position within the system:
a) "SUPERVISORY” contact activates.