25
NOTICE
In order to prevent the possibility of a subsequent operation of an overheated solder type pilot
sprinkler, any solder type pilot sprinklers that were possibly exposed to a temperature greater than
their maximum rated ambient must be replaced.
Step 7.
Operate (open) the Manual Control Station (8) and then open the Diaphragm Supply Valve (5).
After unaerated water ceases to discharge from the Manual Control Station (8) drain tube, slowly
close the operating lever by pushing it up. Do not close the hinged cover at this time.
Step 8.
After allowing water to flow out of the Manual Reset Actuator (6) drain tube until aerated
water ceases to discharge, reset the Manual Reset Actuator (6) by pressing the Reset Knob and hold
until the pressure builds and reaches approximately 15 psi (1,0 bar) on the Diaphragm Gauge (15) and
water stops flowing from its drain tube. Pressure will then build up in the DV-5A Diaphragm
Chamber.
For Wet Pilot Actuation, crack open the Inspector’s Test Connection and any other vent valves on the
wet pilot line to relieve trapped air. After the discharge of air has stopped, close the vent valves and
the Inspector’s Test Connection.
Note:
After relieving trapped air, check the Manual Reset Actuator (6) to make sure there is no water
draining from its drain tube. If water is draining, reset the Manual Reset Actuator (6) as previously
instructed.
Step 9.
Verify the ability for the DV-5A Diaphragm to hold pressure as follows:
With the diaphragm chamber pressurized per Step 8, temporarily close the Diaphragm Supply Valve
(5), and then observe the Diaphragm Gauge (15) for a drop in pressure.
If a drop in pressure is noted, the DV-5A Diaphragm is to be replaced and/or any leaks must be
corrected before proceeding to the next step.
If the Diaphragm Gauge (15) indicates no drop in pressure, re-open the Diaphragm Supply Valve (5)
and proceed to the next step.
Step 10.
Partially open the System Main Control Valve (2). Slowly close the Main Drain Valve (4) as
soon as water discharges from the Main Drain Valve (4). Observe the Automatic Drain Valve (3) for
leaks. If there are leaks, determine/correct the cause of the leakage problem before proceeding.
NOTICE
When the System Main Control Valve (2) is partially opened, the pressure on the DV-5A Diaphragm
Chamber may increase. This increase in pressure is normal, and if the pressure is greater than the
valve trim maximum pressure rating provided in the Technical Data section, the pressure is to be
relieved to at least the valve trim pressure rating by partially and temporarily opening the Manual
Control Station (8); however, do not allow the pressure as indicated on the Diaphragm Gauge (15) to
drop below the supply pressure shown on the Water Supply Gauge (11), since this action may result
in tripping of the DV-5A Valve.
Step 11.
Close the hinged cover of the Manual Control Station (8), and insert a new break rod in the
small hole through the top of the enclosing box.
Step 12.
Fully open the System Main Control Valve (2).
Step 13.
After setting a fire protection system, notify the proper authorities and advise those
responsible for monitoring proprietary and/or central station alarms.
Содержание Deluge Red-E
Страница 1: ...Installation Guide Doc DV5A RED E 001 REV2 06 2019...
Страница 2: ......
Страница 5: ......
Страница 36: ...31 Figure 9 DV 5A Valve Remote Resetting Pressure Reducing Trim System Outlet Pressure Pilot Valve Adjustment...
Страница 79: ...74 Single Interlock Wiring Schematic Non Integrated Releasing Panel NOT USED ON WET OR DRY PILOT MODELS...
Страница 80: ...75 Double Interlock Electric Pneumatic Wiring Schematic Non Integrated Releasing Panel...
Страница 81: ...76 Double Interlock Electric Electric Wiring Schematic Non Integrated Releasing Panel...
Страница 82: ...77 END...
