Tyco DV-5 - DN80 Wet Pilot Trim Assembly

TFP1484
Page 12 of 16
Care and
Maintenance
With reference to Figures 5 and 6, the
following procedures, inspections, and
maintenance must be performed as indi-
cated, in addition to any specific require-
ments of EN12845, and any impairment
must be immediately corrected.
Before closing a fire protection system
Main Control Valve for maintenance
work on the fire protection system
that it controls, obtain permission to
shut down the affected fire protection
systems from the proper authorities
and notify all personnel who may be
affected by this action.
Some of the procedures outlined in
this section will result in operation of
the associated alarms. Consequently,
notification must first be given to the
owner and the fire department, central
station, or other signal station to which
the alarms are connected.
The owner is responsible for the
inspection, testing, and maintenance
of their fire protection system and
devices in compliance with this doc-
ument, as well as with the applicable
standards of EN12845 in addition to the
standards of any authority having juris-
diction. Contact the installing contrac-
tor or product manufacturer with any
questions.
It is recommended that automatic
sprinkler systems be inspected, tested,
and maintained by a qualified Inspec-
tion Service in accordance with local
requirements and/or national codes.
Weekly Waterflow Alarm
Test Procedure
Testing of the system waterflow alarms
must be performed quarterly. To test
the waterflow alarm, open the Alarm
Test Valve, which will allow a flow of
water to the Waterflow Pressure Alarm
Switch and/or Water Motor Alarm.
Upon satisfactory completion of the
test, close the Alarm Test Valve.
MANUAL CONTROL
STATION
MODEL FSV-1
FAIL-SAFE VALVE
(NORMALLY
CLOSED)
DV-5 DELUGE
VALVE
AUTOMATIC
DRAIN
VALVE
SYSTEM
WATER
SUPPLY
PRESSURE
GAUGE
ALARM
TEST VALVE
(NORMALLY
CLOSED)
ALARM
CONTROL
VALVE
(NORMALLY
OPEN)
WATERFLOW
PRESSURE
ALARM
SWITCH
DIAPHRAGM
CHAMBER SUPPLY
CONTROL VALVE
(NORMALLY OPEN)
PNEUMATIC
ACTUATION LOOP
DRAIN VALVE
(NORMALLY
CLOSED)
MODEL DP-1
DRY PILOT
ACTUATOR
(NORMALLY
OPEN)
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
MODEL CV-1FR
CHECK VALVE
DIAPHRAGM
CHAMBER
PRESSURE
GAUGE
SYSTEM
ACTUATION
SOLENOID VALVE
(NORMALLY
CLOSED)
SYSTEM
PRESSURE
GAUGE
SYSTEM
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
LOW AIR
PRESSURE
ALARM
SWITCH
SYSTEM
AIR SUPPLY
PRESSURE
GAUGE
SYSTEM
DRAIN VALVE
(NORMALLY
CLOSED)
PNEUMATIC
ACTUATION
SOLENOID VALVE
(NORMALLY
OPEN)
NORMAL OPERATION:
SINGLE INTERLOCK ELECTRIC
AFTER FAULT DETECTION
(LOSS OF PRIMARY AND
BACK-UP BATTERY POWER):
DRY PIPE SYSTEM
PREACTION TYPE A NOTES
1.
2.
FIGURE 5
DV-5 PREACTION TYPE A VALVE
TRIM ASSEMBLY FUNCTIONAL COMPONENTS
OBSOLETE