Care And Maintenance - Tyco MULTIMATIC F470H Manual

CARE AND MAINTENANCE

The following procedures and inspec-
tions should be performed as indi-
cated, in addition to any specific re-
quirements of the NFPA, and any
impairment must be immediately cor-
rected. It is also recommended that fire
protection systems be inspected by a
qualified Inspection Service.
NOTES
The operational test procedure, water-
flow pressure alarm test procedure,
and low pressure alarm test proce-
dure will result in operation of the
associated alarms. Consequently, no-
tification must first be given to the
owner and the fire department, cen-
tral station, or other signal station to
which the alarms are connected.
Before closing a fire protection system
main control valve for maintenance
work on the fire protection system
which it controls, permission to shut
down the effected fire protection sys-
tems must first be obtained from the
proper authorities and all personnel
who may be affected by this decision
must be notified.
Annual Operation Test Procedure
Proper operation of the F470H Valve
(i.e., opening of the F470H Valve as
during a fire condition) should be veri-
fied at least once a year as follows:
1. If water must be prevented from flow-
ing beyond the riser, perform the fol-
lowing steps.
a. Close the Main Control Valve.
b. Open the Main Drain Valve.
c. Open the Main Control Valve
one turn beyond the position at
which water just begins to flow
from the Main Drain Valve.
d. Close the Main Drain Valve.
2. Determine the type of actuation/de-
tection system, and operate the
F470H Valve accordingly.
NOTE
Be prepared to quickly perform
Steps 3, 4, and 5, if water must be
prevented from flowing beyond
the riser.
Wet Pilot Actuation — Open the
Inspector's Test Connection.
Dry Pilot Actuation — Open the
Inspector's Test Connection.
Electric Actuation — Test the del-
uge releasing panel (automatic con-
trol unit) in accordance with the
manufacturer's instructions to ener-
gize the solenoid valve.
3. Verify that the F470H Valve has
tripped, as indicated by the flow of
water into the system.
4. Close the Diaphragm Chamber Sup-
ply Control Valve.
5. Close the system's Main Control
Valve.
6. Reset the F470H Deluge Valve in
accordance with the Valve Setting
Procedure.
Five Year Internal Valve Inspection
Once every five years during the an-
nual operational test procedure and
prior to the F470H Valve being reset,
the Diaphragm should be inspected
and replaced if there are any signs of
deterioration due to age or chemicals
in the water.
NOTE
If the water supply contains chemi-
cals which tend to attack an EPDM
type rubber, the frequency of the Dia-
phragm inspection should be in-
creased as appropriate.
Worn or damaged parts must be re-
placed and the F470H Valve must be
reassembled in accordance with Fig-
ure B. The Cap Screws securing the
Diaphragm and Handhole Covers
should be uniformly tightened using a
cross-draw sequence.
Quarterly Solenoid Valve Test Pro-
cedure For Electric Actuation
Proper operation of the Solenoid Valve
for electric actuation should be verified
at least quarterly as follows:
1. Close the Main Control Valve.
2. Open the Main Drain Valve.
3. Test the automatic control unit (del-
uge releasing panel) in accordance
with the manufacturer's instructions
to energize the solenoid valve.
4. Verify that the flow of water from the
Solenoid Valve drain connection in-
creases to a full flow.
5. Verify that the Diaphragm Chamber
pressure has decreased to below
25% of the water supply pressure.
6. Reset the electric detection system
in accordance with the manufac-
turer's instructions to de-energize
the solenoid valve. Check the Sole-
noid Valve drain for leaks. Any leaks
-10-
must be corrected before proceed-
ing to the next step.
7. Slowly open the Main Control Valve.
Close the Main Drain Valve as soon
as water discharges from the drain
connection. Observe the Automatic
Drain Valve for leaks. If there are
leaks, determine/correct the cause
of the leakage problem. If there are
no leaks, the F470H Valve is ready
to be placed in service and the Main
Control Valve must then be fully
opened.
Quarterly Dry Pilot Actuator Test
Procedure For Dry Pilot Actuation
Proper operation of the Dry Pilot Ac-
tuator for dry pilot actuation should be
verified at least quarterly as follows:
1. Close the Main Control Valve.
2. Open the Main Drain Valve.
3. Open the Inspector's Test Connec-
tion on the Dry Pilot Line.
4. Verify that the flow of water from the
Dry Pilot Actuator drain connection
increases to a full flow.
5. Verify that the Diaphragm Chamber
pressure has decreased to below
25% of the water supply pressure.
6. Close the Inspector's Test Connec-
tion and allow the dry pilot line pres-
sure to re-establish. Check the Dry
Pilot Actuator drain for leaks. Any
leaks must be corrected before pro-
ceeding to the next step.
7. Slowly open the Main Control Valve.
Close the Main Drain Valve as soon
as water discharges from the drain
connection. Observe the Automatic
Drain Valve for leaks. If there are
leaks, determine/correct the cause
of the leakage problem. If there are
no leaks, the F470H Valve is ready
to be placed in service and the Main
Control Valve must then be fully
opened.
Quarterly Waterflow Alarm Test
Procedure
Testing of the system waterflow alarms
should be performed quarterly. To test
the waterflow alarm, open the Alarm
Test Valve, which will allow a flow of
water to the Pressure Alarm Switch
and/or Water Motor Alarm. Upon satis-
factory completion of the test, close
the Alarm Test Valve.
Quarterly Low Pressure Alarm Test
Procedure And Condensate Drain
Procedure For Dry Pilot Actuation
For Dry Pilot Actuation, testing of the