Screw
(Not in “set”
position)
Seal
Compression
Fitting
Drain
Hose
Body
Spring
Stem
Screw
(In “set”
position)
Sleeve
6. Confirm that water is flowing steadily from the Auto Drain (12).
Pull up on the Auto Drain Sleeve, and confirm that water is flowing
through the Series 776 Low-Pressure Actuator (13).
7. Close the piston-charge-line ball valve (8).
8. Charge the system with air by turning on the compressor or by
opening the fast-fill ball valve on the AMTA (27). NOTE: The fast-
fill ball valve is shown above. Charge the system to 0.9-Bar mini-
mum to 1.2-Bar maximum. Refer to the "Air Supply Requirements"
section on page 7.
9. Confirm that the system is charging by observing the system
pressure gauge (7). If the gauge is not showing an increase in air
pressure, there is a leak or an opening in the line. Repair any leaks
or openings in the line.
10. If air is leaking out of the restricted orifice/alarm line drain (18),
close the alarm line ball valve (16).
I-756LPA.VDS_12
FireLock
®
European Dry Valve Stations
SERIES 756
WITH SERIES 776 LOW-PRESSURE ACTUATOR
I-756LPA.VDS
INSTALLATION, MAINTENANCE, AND TESTING MANUAL
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2006 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_B
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