Ames Fire & Waterworks 5000RPDA Reduced Pressure Detector Assemblies - Manual (Page 2)

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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
DOUBLE CHECK VALVE ASSEMBLY, DOUBLE CHECK
DETECTOR ASSEMBLY, REDUCED PRESSURE ZONE
ASSEMBLY, AND REDUCED PRESSURE DETECTOR ASSEM-
CAUTION:
The installation and maintenance of any Ames back-
fl ow prevention assembly should be performed by a
qualifi ed licensed technician. Failure to do so may result
in a malfunctioning assembly. All instructions should be
read thoroughly by the technician before installation or
performing any maintenance on the assembly.
All Ames assemblies are tested at the factory for
proper operation. Any damage or improper operation
caused by debris in pipeline or improper installation is
not included in this warranty coverage. If a malfunc-
tion occurs or a possible warranty situation exists,
follow the instructions in the maintenance manual to
correct the problem. CONTACT YOUR LOCAL AMES
REPRESENTATIVE.
APPLICATION:
INSTALLATION INSTRUCTIONS:
Before any Ames backfl ow assembly is installed, care
should be taken to be sure the correct assembly is be-
ing used in the proper application. Consult your local
authority to determine proper device and position for
the application.
A. SERIES 2000DCA
Series 2000DCA (Double Check Valve Assembly) is
used to prevent backfl ow of aesthetically objectionable
but not toxic contaminants into the main water supply.
The assembly consists of two independently operating
internally spring loaded check valves, two shutoff valves
and four test cocks.
B. SERIES 3000DCDC
Series 3000DCDC (Double Check Detector Assembly)
is used on fi re lines to prevent backfl ow of aesthetically
objectionable but not toxic contaminants into the main
water supply. It also detects minimal water movement
in the fi re line system from water theft or water leakage.
The bypass assembly consists of a water meter in series
with a double check valve assembly.
C. SERIES 4000RP
Series 4000RP (Reduced Pressure Zone Assembly) is
for use on potable water lines where a health hazard
could exist in the event of a backfl ow situation. The as-
sembly consists of two independently operating swing
check valves with an independent hydraulically operated
differential pressure relief valve, two shutoff valves, and
four test cocks.
D. SERIES 5000RPDA
Series 5000RPDA (Reduced Pressure Detector Assem-
bly) is used on fi relines where a health hazard could exist
in the event of a backfl ow situation. It also detects any
minor water movement in the fi reline system from water
theft or water leakage. The bypass assembly consists
of a water meter in series with a reduced pressure zone
assembly.
A. Before installing any Ames backfl ow assembly,
fl ush the lines thoroughly to remove all debris, chips
and other foreign objects, failure to do so may make
the assembly inoperable.
B. Double Check Valve Assemblies and Double Check
Detector Assemblies may be placed in any position as
long as the fl ow indicator arrow on the valve is pointed
in the direction of water fl ow, and the local authority has
approved installation confi guration. RP assemblies are
approved by national approval agencies to be installed
in a horizontal position. Any other installation confi gura-
tions must be approved by local authorities.
C. Allow suffi cient clearance around the installed assem-
bly to conduct testing, servicing and inspection. Allow
a minimum of 12" from the fl ood level to the bottom of
the assembly.
D. If the double check valve or double check detector
assembly is installed in a vault or pit be sure proper drain-
age is available. If suffi cient drainage is not available a
cross-connection may occur. The RP assembly shall not
be installed in a vault or pit.